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How to use patched_init method in responses
Best Python code snippet using responses
test_blockchain.py
Source:test_blockchain.py 
1import unittest2from mock import patch, Mock, MagicMock, call3from crankycoin.blockchain import *4class TestBlockchain(unittest.TestCase):5 def test_Blockchain_whenConstructedWithNoBlocks_thenCreatesGenesisBlock(self):6 mock_genesis_block = Mock(Block)7 with patch.object(Blockchain, 'get_genesis_block', return_value=mock_genesis_block) as patched_get_genesis_block, \8 patch.object(Blockchain, 'add_block', return_value=True) as patched_add_block:9 resp = Blockchain()10 patched_get_genesis_block.assert_called_once()11 patched_add_block.assert_called_once_with(mock_genesis_block)12 def test_Blockchain_whenConstructedWithBlocks_thenAddsBlocksWithoutGenesisBlock(self):13 mock_block_one = Mock(Block)14 mock_block_two = Mock(Block)15 with patch.object(Blockchain, 'get_genesis_block') as patched_get_genesis_block, \16 patch.object(Blockchain, 'add_block', return_value=True) as patched_add_block:17 resp = Blockchain([mock_block_one, mock_block_two])18 patched_get_genesis_block.assert_not_called()19 patched_add_block.assert_has_calls([call(mock_block_one), call(mock_block_two)])20 def test_get_genesis_block_whenCalled_thenCreatesAndReturnsBlockWithGenesisTransactions(self):21 genesis_transactions = [{22 'from': '0',23 'timestamp': 0,24 'to': '0409eb9224f408ece7163f40a33274d99b6b3f60e41b447dd45fcc6371f57b88d9d3583c358b1ea8aea4422d17c57de1418554d3a1cd620ca4cb296357888ea596',25 'amount': 1000,26 'signature': '0',27 'hash': 028 },29 {30 "from": "0",31 "to": "0466f992cd361e24e4fa0eeca9a7ddbea1d257a2053dbe16aeb36ac155679a797bf89776903290d7c93e4b5ba49968fbf8ab8a49190f3d7cafe11cc6e925e489f6",32 "amount": 1000,33 "signature": "0",34 "timestamp": 0,35 "hash": 036 }]37 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \38 patch.object(Blockchain, 'calculate_block_hash', return_value="mock_block_hash") as patched_calculate_block_hash, \39 patch('crankycoin.blockchain.Block') as patched_Block:40 subject = Blockchain()41 genesis_block = subject.get_genesis_block()42 patched_calculate_block_hash.assert_called_once_with(0, 0, 0, genesis_transactions, 0)43 patched_Block.assert_called_once_with(0, genesis_transactions, 0, 'mock_block_hash', 0, 0)44 def test_calculate_transaction_hash_whenCalledWithSameTransactions_thenReturnsConsistentSha256Hash(self):45 transaction_one = {46 'from': 'from',47 'timestamp': 0,48 'to': 'to',49 'amount': 50,50 'signature': 'signature',51 'hash': 052 }53 transaction_two = {54 'from': 'from',55 'timestamp': 0,56 'to': 'to',57 'amount': 50,58 'signature': 'signature'59 }60 transaction_three = {61 'to': 'to',62 'timestamp': 0,63 'from': 'from',64 'signature': 'signature',65 'amount': 50,66 'hash': 067 }68 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:69 subject = Blockchain()70 transaction_hash_one = subject.calculate_transaction_hash(transaction_one)71 transaction_hash_two = subject.calculate_transaction_hash(transaction_two)72 transaction_hash_three = subject.calculate_transaction_hash(transaction_three)73 self.assertEqual(transaction_hash_one, transaction_hash_two)74 self.assertEqual(transaction_hash_one, transaction_hash_three)75 self.assertEquals(1, len(set([transaction_hash_one, transaction_hash_two, transaction_hash_three])))76 def test_calculate_transaction_hash_whenCalledWithDifferentTransactions_thenReturnsDifferentSha256Hash(self):77 transaction_one = {78 'from': 'from',79 'timestamp': 0,80 'to': 'to',81 'amount': 50,82 'signature': 'signature',83 'hash': 084 }85 transaction_two = {86 'from': 'different_from',87 'timestamp': 0,88 'to': 'to',89 'amount': 50,90 'signature': 'signature',91 'hash': 092 }93 transaction_three = {94 'from': 'from',95 'timestamp': 0,96 'to': 'to',97 'amount': 50,98 'signature': 'different_signature',99 'hash': 0100 }101 transaction_four = {102 'from': 'from',103 'timestamp': 0,104 'to': 'different_to',105 'amount': 50,106 'signature': 'signature',107 'hash': 0108 }109 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:110 subject = Blockchain()111 transaction_hash_one = subject.calculate_transaction_hash(transaction_one)112 transaction_hash_two = subject.calculate_transaction_hash(transaction_two)113 transaction_hash_three = subject.calculate_transaction_hash(transaction_three)114 transaction_hash_four = subject.calculate_transaction_hash(transaction_four)115 self.assertNotEqual(transaction_hash_one, transaction_hash_two)116 self.assertNotEqual(transaction_hash_one, transaction_hash_three)117 self.assertNotEqual(transaction_one, transaction_hash_four)118 self.assertEquals(4, len(set([transaction_hash_one, transaction_hash_two, transaction_hash_three, transaction_hash_four])))119 def test_calculate_block_hash_whenCalledWithSameBlockData_thenReturnsConsistentSha256Hash(self):120 transaction_one = {121 'from': 'from',122 'timestamp': 0,123 'to': 'to',124 'amount': 50,125 'signature': 'signature',126 'hash': 0127 }128 transaction_two = {129 'from': 'different_from',130 'timestamp': 0,131 'to': 'to',132 'amount': 50,133 'signature': 'signature',134 'hash': 0135 }136 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:137 subject = Blockchain()138 block_hash_one = subject.calculate_block_hash(1, "previous_hash", 0, [transaction_one, transaction_two], "1234")139 block_hash_two = subject.calculate_block_hash(1, "previous_hash", 0, [transaction_one, transaction_two], "1234")140 self.assertEqual(block_hash_one, block_hash_two)141 def test_calculate_block_hash_whenCalledWithDifferentBlockData_thenReturnsDifferentSha256Hash(self):142 transaction_one = {143 'from': 'from',144 'timestamp': 0,145 'to': 'to',146 'amount': 50,147 'signature': 'signature',148 'hash': 0149 }150 transaction_two = {151 'from': 'different_from',152 'timestamp': 0,153 'to': 'to',154 'amount': 50,155 'signature': 'signature',156 'hash': 0157 }158 transaction_three = {159 'from': 'from',160 'timestamp': 0,161 'to': 'to',162 'amount': 50,163 'signature': 'different_signature',164 'hash': 0165 }166 transaction_four = {167 'from': 'from',168 'timestamp': 0,169 'to': 'different_to',170 'amount': 50,171 'signature': 'signature',172 'hash': 0173 }174 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:175 subject = Blockchain()176 block_hash_one = subject.calculate_block_hash(1, "previous_hash", 0, [transaction_one, transaction_two], "1234")177 block_hash_two = subject.calculate_block_hash(2, "previous_hash", 0, [transaction_one, transaction_two], "1234")178 block_hash_three = subject.calculate_block_hash(1, "different_previous_hash", 0, [transaction_one, transaction_two], "1234")179 block_hash_four = subject.calculate_block_hash(1, "previous_hash", 1, [transaction_one, transaction_two], "1234")180 block_hash_five = subject.calculate_block_hash(1, "previous_hash", 0, [transaction_three, transaction_four], "1234")181 block_hash_six = subject.calculate_block_hash(1, "previous_hash", 0, [transaction_one, transaction_two], "5678")182 self.assertNotEqual(block_hash_one, block_hash_two)183 self.assertNotEqual(block_hash_one, block_hash_three)184 self.assertNotEqual(block_hash_one, block_hash_four)185 self.assertNotEqual(block_hash_one, block_hash_five)186 self.assertNotEqual(block_hash_one, block_hash_six)187 self.assertEquals(6, len(set([block_hash_one, block_hash_two, block_hash_three, block_hash_four, block_hash_five, block_hash_six])))188 def test_check_hash_and_hash_pattern_whenBlockHasValidHashAndPattern_thenReturnsTrue(self):189 mock_block = Mock(Block)190 transaction = {191 'from': 'from',192 'timestamp': 0,193 'to': 'to',194 'amount': 50,195 'signature': 'signature',196 'hash': 0197 }198 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \199 patch.object(Blockchain, 'calculate_block_hash', return_value="0000_valid_block_hash") as patched_calculate_block_hash:200 mock_block.current_hash = "0000_valid_block_hash"201 mock_block.index = 35202 mock_block.previous_hash = "0000_valid_previous_hash"203 mock_block.transactions = [transaction]204 mock_block.nonce = 37205 mock_block.timestamp = 12341234206 subject = Blockchain()207 resp = subject._check_hash_and_hash_pattern(mock_block)208 self.assertIsNone(resp)209 def test_check_hash_and_hash_pattern_whenBlockHasInvalidHash_thenReturnsFalse(self):210 mock_block = Mock(Block)211 transaction = {212 'from': 'from',213 'timestamp': 0,214 'to': 'to',215 'amount': 50,216 'signature': 'signature',217 'hash': 0218 }219 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \220 patch.object(Blockchain, 'calculate_block_hash', return_value="0000_wrong_block_hash") as patched_calculate_block_hash:221 mock_block.current_hash = "0000_valid_block_hash"222 mock_block.index = 35223 mock_block.previous_hash = "0000_valid_previous_hash"224 mock_block.transactions = [transaction]225 mock_block.nonce = 37226 mock_block.timestamp = 12341234227 subject = Blockchain()228 with self.assertRaises(InvalidHash) as context:229 subject._check_hash_and_hash_pattern(mock_block)230 self.assertTrue("Block Hash Mismatch" in str(context.exception))231 def test_check_hash_and_hash_pattern_whenBlockHasInvalidPattern_thenReturnsFalse(self):232 mock_block = Mock(Block)233 transaction = {234 'from': 'from',235 'timestamp': 0,236 'to': 'to',237 'amount': 50,238 'signature': 'signature',239 'hash': 0240 }241 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \242 patch.object(Blockchain, 'calculate_block_hash', return_value="invalid_block_hash") as patched_calculate_block_hash:243 mock_block.current_hash = "invalid_block_hash"244 mock_block.index = 35245 mock_block.previous_hash = "0000_valid_previous_hash"246 mock_block.transactions = [transaction]247 mock_block.nonce = 37248 mock_block.timestamp = 12341234249 subject = Blockchain()250 with self.assertRaises(InvalidHash) as context:251 subject._check_hash_and_hash_pattern(mock_block)252 self.assertTrue("Incompatible Block Hash" in str(context.exception))253 def test_check_index_and_previous_hash_whenBlockHasValidIndexAndPreviousHash_thenReturnsTrue(self):254 mock_block = Mock(Block)255 mock_block.index = 35256 mock_block.previous_hash = "0000_hash_of_block_34"257 mock_latest_block = Mock(Block)258 mock_latest_block.index = 34259 mock_latest_block.current_hash = "0000_hash_of_block_34"260 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \261 patch.object(Blockchain, 'get_latest_block', return_value=mock_latest_block) as patched_get_latest_block:262 subject = Blockchain()263 resp = subject._check_index_and_previous_hash(mock_block)264 self.assertIsNone(resp)265 def test_check_index_and_previous_hash_whenBlockHasInValidIndex_thenReturnsFalse(self):266 mock_block = Mock(Block)267 mock_block.index = 35268 mock_block.previous_hash = "0000_hash_of_block_34"269 mock_latest_block = Mock(Block)270 mock_latest_block.index = 33271 mock_latest_block.current_hash = "0000_hash_of_block_34"272 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \273 patch.object(Blockchain, 'get_latest_block', return_value=mock_latest_block) as patched_get_latest_block:274 subject = Blockchain()275 with self.assertRaises(ChainContinuityError) as context:276 subject._check_index_and_previous_hash(mock_block)277 self.assertTrue("Incompatible block index" in str(context.exception))278 def test_check_index_and_previous_hash_whenBlockHasInValidPreviousHash_thenReturnsFalse(self):279 mock_block = Mock(Block)280 mock_block.index = 35281 mock_block.previous_hash = "0000_wrong_hash_of_block_34"282 mock_latest_block = Mock(Block)283 mock_latest_block.index = 34284 mock_latest_block.current_hash = "0000_hash_of_block_34"285 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \286 patch.object(Blockchain, 'get_latest_block', return_value=mock_latest_block) as patched_get_latest_block:287 subject = Blockchain()288 with self.assertRaises(ChainContinuityError) as context:289 subject._check_index_and_previous_hash(mock_block)290 self.assertTrue("Incompatible block hash" in str(context.exception))291 def test_check_transactions_and_block_reward_whenValid_thenReturnsTrue(self):292 mock_block = Mock(Block)293 transaction = {294 'from': 'from',295 'timestamp': 1498923800,296 'to': 'to',297 'amount': 50,298 'signature': 'signature',299 'hash': "transaction_hash_one"300 }301 reward_transaction = {302 'from': "0",303 'timestamp': 1498933800,304 'to': 'to',305 'amount': 50,306 'signature': 'signature',307 'hash': 0308 }309 mock_block.index = 5310 mock_block.transactions = [transaction, reward_transaction]311 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \312 patch.object(Blockchain, 'calculate_transaction_hash', return_value="transaction_hash_one") as patched_calculate_transaction_hash, \313 patch.object(Blockchain, 'find_duplicate_transactions', return_value=False) as patched_find_duplicate_transactions, \314 patch.object(Blockchain, 'verify_signature', return_value=True) as patched_verify_signature, \315 patch.object(Blockchain, 'get_balance', return_value=50) as patched_get_balance, \316 patch.object(Blockchain, 'get_reward', return_value=50) as patched_get_reward:317 subject = Blockchain()318 resp = subject._check_transactions_and_block_reward(mock_block)319 self.assertIsNone(resp)320 def test_check_transactions_and_block_reward_whenValidMultipleTransactionsFromSamePayer_thenReturnsTrue(self):321 mock_block = Mock(Block)322 transaction_one = {323 'from': 'from',324 'timestamp': 1498923800,325 'to': 'to',326 'amount': 25,327 'signature': 'signature_one',328 'hash': "transaction_hash_one"329 }330 transaction_two = {331 'from': 'from',332 'timestamp': 1498924800,333 'to': 'to',334 'amount': 25,335 'signature': 'signature_two',336 'hash': "transaction_hash_two"337 }338 reward_transaction = {339 'from': "0",340 'timestamp': 1498933800,341 'to': 'to',342 'amount': 50,343 'signature': '0',344 'hash': "0"345 }346 mock_block.index = 5347 mock_block.transactions = [transaction_one, transaction_two, reward_transaction]348 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \349 patch.object(Blockchain, 'calculate_transaction_hash', side_effect=["transaction_hash_one", "transaction_hash_two"]) as patched_calculate_transaction_hash, \350 patch.object(Blockchain, 'find_duplicate_transactions', return_value=False) as patched_find_duplicate_transactions, \351 patch.object(Blockchain, 'verify_signature', return_value=True) as patched_verify_signature, \352 patch.object(Blockchain, 'get_balance', return_value=50) as patched_get_balance, \353 patch.object(Blockchain, 'get_reward', return_value=50) as patched_get_reward:354 subject = Blockchain()355 resp = subject._check_transactions_and_block_reward(mock_block)356 self.assertIsNone(resp)357 def test_check_transactions_and_block_reward_whenInvalidHash_thenReturnsFalse(self):358 mock_block = Mock(Block)359 transaction = {360 'from': 'from',361 'timestamp': 1498923800,362 'to': 'to',363 'amount': 50,364 'signature': 'signature',365 'hash': "invalid_transaction_hash_one"366 }367 reward_transaction = {368 'from': 0,369 'timestamp': 1498933800,370 'to': 'to',371 'amount': 50,372 'signature': 'signature',373 'hash': 0374 }375 mock_block.index = 2376 mock_block.transactions = [transaction, reward_transaction]377 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \378 patch.object(Blockchain, 'calculate_transaction_hash', return_value="transaction_hash_one") as patched_calculate_transaction_hash, \379 patch.object(Blockchain, 'find_duplicate_transactions', return_value=False) as patched_find_duplicate_transactions, \380 patch.object(Blockchain, 'get_balance', return_value=50) as patched_get_balance, \381 patch.object(Blockchain, 'get_reward', return_value=50) as patched_get_reward:382 subject = Blockchain()383 with self.assertRaises(InvalidTransactions) as context:384 subject._check_transactions_and_block_reward(mock_block)385 self.assertTrue("Incorrect transaction hash" in str(context.exception))386 def test_check_transactions_and_block_reward_whenDuplicateTransaction_thenReturnsFalse(self):387 mock_block = Mock(Block)388 transaction = {389 'from': 'from',390 'timestamp': 1498923800,391 'to': 'to',392 'amount': 50,393 'signature': 'signature',394 'hash': "transaction_hash_one"395 }396 reward_transaction = {397 'from': 0,398 'timestamp': 1498933800,399 'to': 'to',400 'amount': 50,401 'signature': 'signature',402 'hash': 0403 }404 mock_block.index = 2405 mock_block.transactions = [transaction, reward_transaction]406 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \407 patch.object(Blockchain, 'calculate_transaction_hash', return_value="transaction_hash_one") as patched_calculate_transaction_hash, \408 patch.object(Blockchain, 'find_duplicate_transactions', return_value=True) as patched_find_duplicate_transactions, \409 patch.object(Blockchain, 'get_balance', return_value=50) as patched_get_balance, \410 patch.object(Blockchain, 'get_reward', return_value=50) as patched_get_reward:411 subject = Blockchain()412 with self.assertRaises(InvalidTransactions) as context:413 subject._check_transactions_and_block_reward(mock_block)414 self.assertTrue("Transactions not valid. Duplicate transaction detected" in str(context.exception))415 def test_check_transactions_and_block_reward_whenInsufficientBalanceFromPayer_thenReturnsFalse(self):416 mock_block = Mock(Block)417 transaction_one = {418 'from': 'from',419 'timestamp': 1498923800,420 'to': 'to',421 'amount': 25,422 'signature': 'signature_one',423 'hash': "transaction_hash_one"424 }425 transaction_two = {426 'from': 'from',427 'timestamp': 1498924800,428 'to': 'to',429 'amount': 25,430 'signature': 'signature_two',431 'hash': "transaction_hash_two"432 }433 reward_transaction = {434 'from': 0,435 'timestamp': 1498933800,436 'to': 'to',437 'amount': 50,438 'signature': '0',439 'hash': 0440 }441 mock_block.index = 5442 mock_block.transactions = [transaction_one, transaction_two, reward_transaction]443 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \444 patch.object(Blockchain, 'calculate_transaction_hash', side_effect=["transaction_hash_one", "transaction_hash_two"]) as patched_calculate_transaction_hash, \445 patch.object(Blockchain, 'find_duplicate_transactions', return_value=False) as patched_find_duplicate_transactions, \446 patch.object(Blockchain, 'verify_signature', return_value=True) as patched_verify_signature, \447 patch.object(Blockchain, 'get_balance', return_value=49) as patched_get_balance, \448 patch.object(Blockchain, 'get_reward', return_value=50) as patched_get_reward:449 subject = Blockchain()450 with self.assertRaises(InvalidTransactions) as context:451 subject._check_transactions_and_block_reward(mock_block)452 self.assertTrue("Insufficient funds" in str(context.exception))453 def test_check_transactions_and_block_reward_whenInvalidBlockReward_thenReturnsFalse(self):454 mock_block = Mock(Block)455 transaction_one = {456 'from': 'from',457 'timestamp': 1498923800,458 'to': 'to',459 'amount': 25,460 'signature': 'signature_one',461 'hash': "transaction_hash_one"462 }463 transaction_two = {464 'from': 'from',465 'timestamp': 1498924800,466 'to': 'to',467 'amount': 25,468 'signature': 'signature_two',469 'hash': "transaction_hash_two"470 }471 reward_transaction = {472 'from': 0,473 'timestamp': 1498933800,474 'to': 'to',475 'amount': 51,476 'signature': '0',477 'hash': 0478 }479 mock_block.index = 5480 mock_block.transactions = [transaction_one, transaction_two, reward_transaction]481 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \482 patch.object(Blockchain, 'calculate_transaction_hash', side_effect=["transaction_hash_one", "transaction_hash_two"]) as patched_calculate_transaction_hash, \483 patch.object(Blockchain, 'find_duplicate_transactions', return_value=False) as patched_find_duplicate_transactions, \484 patch.object(Blockchain, 'verify_signature', return_value=True) as patched_verify_signature, \485 patch.object(Blockchain, 'get_balance', return_value=50) as patched_get_balance, \486 patch.object(Blockchain, 'get_reward', return_value=50) as patched_get_reward:487 subject = Blockchain()488 with self.assertRaises(InvalidTransactions) as context:489 subject._check_transactions_and_block_reward(mock_block)490 self.assertTrue("Incorrect block reward" in str(context.exception))491 def test_check_transactions_and_block_reward_whenInvalidBlockRewardSource_thenReturnsFalse(self):492 mock_block = Mock(Block)493 transaction_one = {494 'from': 'from',495 'timestamp': 1498923800,496 'to': 'to',497 'amount': 25,498 'signature': 'signature_one',499 'hash': "transaction_hash_one"500 }501 transaction_two = {502 'from': 'from',503 'timestamp': 1498924800,504 'to': 'to',505 'amount': 25,506 'signature': 'signature_two',507 'hash': "transaction_hash_two"508 }509 reward_transaction = {510 'from': 'a different source',511 'timestamp': 1498933800,512 'to': 'to',513 'amount': 50,514 'signature': '0',515 'hash': 0516 }517 mock_block.index = 5518 mock_block.transactions = [transaction_one, transaction_two, reward_transaction]519 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \520 patch.object(Blockchain, 'calculate_transaction_hash', side_effect=["transaction_hash_one", "transaction_hash_two"]) as patched_calculate_transaction_hash, \521 patch.object(Blockchain, 'find_duplicate_transactions', return_value=False) as patched_find_duplicate_transactions, \522 patch.object(Blockchain, 'verify_signature', return_value=True) as patched_verify_signature, \523 patch.object(Blockchain, 'get_balance', return_value=50) as patched_get_balance, \524 patch.object(Blockchain, 'get_reward', return_value=50) as patched_get_reward:525 subject = Blockchain()526 with self.assertRaises(InvalidTransactions) as context:527 subject._check_transactions_and_block_reward(mock_block)528 self.assertTrue("Incorrect block reward" in str(context.exception))529 def test_validate_block_whenValid_returnsTrue(self):530 mock_block = Mock(Block)531 mock_block.index = 51000532 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \533 patch.object(Blockchain, '_check_hash_and_hash_pattern', return_value=True) as patched_check_hash_and_hash_pattern, \534 patch.object(Blockchain, '_check_index_and_previous_hash', return_value=True) as patched_check_index_and_previous_hash, \535 patch.object(Blockchain, '_check_transactions_and_block_reward', return_value=True) as patched_check_transactions_and_block_reward:536 subject = Blockchain()537 resp = subject.validate_block(mock_block)538 self.assertTrue(resp)539 def test_validate_block_whenValidGenesisBlock_returnsTrue(self):540 genesis_block = Mock(Block)541 genesis_block.index = 0542 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \543 patch.object(Blockchain, 'get_genesis_block', return_value=genesis_block) as patched_get_genesis_block:544 subject = Blockchain()545 resp = subject.validate_block(genesis_block)546 self.assertTrue(resp)547 def test_validate_block_whenInvalidGenesisBlock_raisesGenesisBlockMismatchException(self):548 invalid_genesis_block = Mock(Block)549 invalid_genesis_block.index = 0550 genesis_block = Mock(Block)551 genesis_block.index = 0552 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \553 patch.object(Blockchain, 'get_genesis_block', return_value=genesis_block) as patched_get_genesis_block:554 subject = Blockchain()555 resp = subject.validate_block(invalid_genesis_block)556 self.assertFalse(resp)557 def test_validate_block_whenInvalidHash_raisesInvalidHashException(self):558 mock_block = Mock(Block)559 mock_block.index = 51000560 mock_block.current_hash = "invalid_hash"561 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \562 patch.object(Blockchain, '_check_hash_and_hash_pattern', side_effect=InvalidHash(51000, "Invalid Hash")) as patched_check_hash_and_hash_pattern:563 subject = Blockchain()564 resp = subject.validate_block(mock_block)565 self.assertFalse(resp)566 def test_validate_block_whenInvalidIncompatibleBlock_raisesChainContinuityErrorException(self):567 mock_block = Mock(Block)568 mock_block.index = 51000569 mock_block.current_hash = "0000_current_hash"570 mock_block.previous_hash = "0000_previous_hash"571 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \572 patch.object(Blockchain, '_check_hash_and_hash_pattern') as patched_check_hash_and_hash_pattern, \573 patch.object(Blockchain, '_check_index_and_previous_hash', side_effect=ChainContinuityError(51000, "")) as patched_check_index_and_previous_hash:574 subject = Blockchain()575 resp = subject.validate_block(mock_block)576 self.assertFalse(resp)577 def test_validate_block_whenInvalidTransactions_raisesInvalidTransactionsException(self):578 mock_block = Mock(Block)579 mock_block.index = 51000580 mock_block.current_hash = "0000_current_hash"581 mock_block.previous_hash = "0000_previous_hash"582 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \583 patch.object(Blockchain, '_check_hash_and_hash_pattern') as patched_check_hash_and_hash_pattern, \584 patch.object(Blockchain, '_check_index_and_previous_hash') as patched_check_index_and_previous_hash, \585 patch.object(Blockchain, '_check_transactions_and_block_reward', side_effect=InvalidTransactions(51000, "")) as patched__check_transactions_and_block_reward:586 subject = Blockchain()587 resp = subject.validate_block(mock_block)588 self.assertFalse(resp)589 def test_alter_chain_whenNewChainIsLonger_thenReplacesChainAndReturnsTrue(self):590 # difficult to unit test; Likely code smell591 mock_block_one = Mock(Block, name="mock_block_one")592 mock_block_one.index = 0593 mock_block_two = Mock(Block, name="mock_block_two")594 mock_block_two.index = 1595 mock_block_three = Mock(Block, name="mock_block_three")596 mock_block_three.index = 2597 mock_block_four = Mock(Block, name="mock_block_four")598 mock_block_four.index = 3599 mock_block_five = Mock(Block, name="mock_block_five")600 mock_block_five.index = 4601 mock_forked_block_four = Mock(Block, name="mock_forked_block_four")602 mock_forked_block_four.index = 3603 mock_forked_block_five = Mock(Block, name="mock_forked_block_five")604 mock_forked_block_five.index = 4605 mock_forked_block_six = Mock(Block, name="mock_forked_block_six")606 mock_forked_block_six.index = 5607 mock_blocks = [608 mock_block_one,609 mock_block_two,610 mock_block_three,611 mock_block_four,612 mock_block_five613 ]614 mock_forked_blocks = [615 mock_forked_block_four,616 mock_forked_block_five,617 mock_forked_block_six618 ]619 mock_altered_blocks = [620 mock_block_one,621 mock_block_two,622 mock_block_three,623 mock_forked_block_four,624 mock_forked_block_five,625 mock_forked_block_six626 ]627 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \628 patch.object(Blockchain, 'get_size', side_effect=[6, 5]) as patched_get_size:629 subject = Blockchain()630 subject.blocks = mock_blocks631 subject.blocks_lock = threading.Lock()632 resp = subject.alter_chain(mock_forked_blocks)633 self.assertTrue(resp)634 self.assertEqual(subject.blocks, mock_altered_blocks)635 def test_alter_chain_whenNewChainIsNotLonger_thenDoesNotAlterChainAndReturnsFalse(self):636 # difficult to unit test; Likely code smell637 mock_block_one = Mock(Block, name="mock_block_one")638 mock_block_one.index = 0639 mock_block_two = Mock(Block, name="mock_block_two")640 mock_block_two.index = 1641 mock_block_three = Mock(Block, name="mock_block_three")642 mock_block_three.index = 2643 mock_block_four = Mock(Block, name="mock_block_four")644 mock_block_four.index = 3645 mock_block_five = Mock(Block, name="mock_block_five")646 mock_block_five.index = 4647 mock_forked_block_four = Mock(Block, name="mock_forked_block_four")648 mock_forked_block_four.index = 3649 mock_forked_block_five = Mock(Block, name="mock_forked_block_five")650 mock_forked_block_five.index = 4651 mock_blocks = [652 mock_block_one,653 mock_block_two,654 mock_block_three,655 mock_block_four,656 mock_block_five657 ]658 mock_forked_blocks = [659 mock_forked_block_four,660 mock_forked_block_five661 ]662 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \663 patch.object(Blockchain, 'get_size', return_value=5) as patched_get_size:664 subject = Blockchain()665 subject.blocks = mock_blocks666 resp = subject.alter_chain(mock_forked_blocks)667 self.assertFalse(resp)668 self.assertEqual(subject.blocks, mock_blocks)669 def test_add_block_whenValidBlock_thenAddsBlockAndReturnsTrue(self):670 mock_block = Mock(Block)671 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \672 patch.object(Blockchain, 'validate_block', return_value=True) as patched_validate_block:673 subject = Blockchain()674 mock_blocks = Mock()675 subject.blocks = mock_blocks676 subject.blocks_lock = threading.Lock()677 resp = subject.add_block(mock_block)678 self.assertTrue(resp)679 mock_blocks.append.assert_called_once_with(mock_block)680 def test_add_block_whenInvalidBlock_thenDoesNotAddBlockAndReturnsFalse(self):681 mock_block = Mock(Block)682 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \683 patch.object(Blockchain, 'validate_block', return_value=False) as patched_validate_block:684 subject = Blockchain()685 mock_blocks = Mock()686 subject.blocks = mock_blocks687 subject.blocks_lock = threading.Lock()688 resp = subject.add_block(mock_block)689 self.assertFalse(resp)690 mock_blocks.append.assert_not_called()691 def test_mine_block_whenNoUnconfirmedTransactions_thenReturnsNone(self):692 latest_block = Mock(Block)693 latest_block.index = 35694 latest_block.current_hash = "latest_block_hash"695 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \696 patch.object(Blockchain, 'get_latest_block', return_value=latest_block) as patched_get_latest_block, \697 patch.object(Blockchain, 'pop_next_unconfirmed_transaction', return_value=None) as patched_pop_next_unconfirmed_transaction:698 subject = Blockchain()699 resp = subject.mine_block("reward_address")700 self.assertIsNone(resp)701 patched_pop_next_unconfirmed_transaction.assert_called_once()702 def test_mine_block_whenOneTransaction_andIncorrectTransactionHash_thenReturnsNone(self):703 transaction = {704 'from': 'from',705 'timestamp': 1498923800,706 'to': 'to',707 'amount': 25,708 'signature': 'signature',709 'hash': 'incorrect_transaction_hash'710 }711 latest_block = Mock(Block)712 latest_block.index = 35713 latest_block.current_hash = "latest_block_hash"714 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \715 patch.object(Blockchain, 'get_latest_block', return_value=latest_block) as patched_get_latest_block, \716 \717 patch.object(Blockchain, 'pop_next_unconfirmed_transaction', side_effect=[transaction, None]) as patched_pop_next_unconfirmed_transaction, \718 patch.object(Blockchain, 'calculate_transaction_hash', return_value="transaction_hash") as patched_calculate_transaction_hash:719 subject = Blockchain()720 resp = subject.mine_block("reward_address")721 self.assertIsNone(resp)722 self.assertEqual(patched_pop_next_unconfirmed_transaction.call_count, 2)723 patched_calculate_transaction_hash.assert_called_once_with(transaction)724 def test_mine_block_whenOneDuplicateTransaction_thenReturnsNone(self):725 transaction = {726 'from': 'from',727 'timestamp': 1498923800,728 'to': 'to',729 'amount': 25,730 'signature': 'signature',731 'hash': 'transaction_hash'732 }733 block_id_with_same_transaction = 38734 latest_block = Mock(Block)735 latest_block.index = 35736 latest_block.current_hash = "latest_block_hash"737 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \738 patch.object(Blockchain, 'get_latest_block', return_value=latest_block) as patched_get_latest_block, \739 \740 patch.object(Blockchain, 'pop_next_unconfirmed_transaction', side_effect=[transaction, None]) as patched_pop_next_unconfirmed_transaction, \741 patch.object(Blockchain, 'calculate_transaction_hash', return_value="transaction_hash") as patched_calculate_transaction_hash, \742 patch.object(Blockchain, 'find_duplicate_transactions', return_value=block_id_with_same_transaction) as patched_find_duplicate_transactions:743 subject = Blockchain()744 resp = subject.mine_block("reward_address")745 self.assertIsNone(resp)746 self.assertEqual(patched_pop_next_unconfirmed_transaction.call_count, 2)747 patched_calculate_transaction_hash.assert_called_once_with(transaction)748 patched_find_duplicate_transactions.asssert_called_once_with("transaction_hash")749 def test_mine_block_whenDuplicateTransactionsInUnconfirmedPool_thenMinesOneOfThemAndReturnsBlock(self):750 # this is difficult to test; likely code smell751 transaction = {752 'from': 'from',753 'timestamp': 1498923800,754 'to': 'to',755 'amount': 25,756 'signature': 'signature',757 'hash': 'transaction_hash'758 }759 duplicate_transaction = {760 'from': 'from',761 'timestamp': 1498923800,762 'to': 'to',763 'amount': 25,764 'signature': 'signature',765 'hash': 'transaction_hash'766 }767 latest_block = Mock(Block)768 latest_block.index = 31769 latest_block.current_hash = "latest_block_current_hash"770 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \771 patch.object(Blockchain, 'pop_next_unconfirmed_transaction', side_effect=[transaction, duplicate_transaction, None]) as patched_pop_next_unconfirmed_transaction, \772 patch.object(Blockchain, 'calculate_transaction_hash', side_effect=["transaction_hash", "transaction_hash", "reward_transaction_hash"]) as patched_calculate_transaction_hash, \773 patch.object(Blockchain, 'find_duplicate_transactions', return_value=False) as patched_find_duplicate_transactions, \774 patch.object(Blockchain, 'verify_signature', return_value=True) as patched_verify_signature, \775 patch.object(Blockchain, 'get_latest_block', return_value=latest_block) as patched_get_latest_block, \776 patch.object(Blockchain, 'get_reward', return_value=50) as patched_get_reward, \777 patch.object(Blockchain, 'calculate_block_hash', side_effect=["bad_hash", "bad_hash", "0000_good_hash", "0000_good_hash"]) as patched_calculate_block_hash, \778 patch("crankycoin.datetime.datetime") as patched_datetime:779 subject = Blockchain()780 mock_utcnow = Mock()781 mock_utcnow.isoformat.return_value = 5555555555782 patched_datetime.utcnow.return_value = mock_utcnow783 resp = subject.mine_block("reward_address")784 self.assertIsInstance(resp, Block)785 self.assertEqual(len(resp.transactions), 2)786 self.assertEqual(patched_pop_next_unconfirmed_transaction.call_count, 3)787 self.assertEqual(patched_calculate_transaction_hash.call_count, 3)788 patched_find_duplicate_transactions.assert_called_once_with("transaction_hash")789 patched_verify_signature.assert_called_once_with("signature", "from:to:25:1498923800", "from")790 self.assertEqual(patched_calculate_block_hash.call_count, 4)791 def test_get_transaction_history_whenAddressHasTransactions_returnHistory(self):792 transaction_one = {793 'from': 'from',794 'timestamp': 1498923800,795 'to': 'address',796 'amount': 1,797 'signature': 'signature_one',798 'hash': "transaction_hash_one"799 }800 transaction_two = {801 'from': 'from',802 'timestamp': 1498924800,803 'to': 'address',804 'amount': 3,805 'signature': 'signature_two',806 'hash': "transaction_hash_two"807 }808 transaction_three = {809 'from': 'from',810 'timestamp': 1498925800,811 'to': 'to',812 'amount': 5,813 'signature': 'signature_three',814 'hash': "transaction_hash_three"815 }816 transaction_four = {817 'from': 'from',818 'timestamp': 1498926800,819 'to': 'address',820 'amount': 7,821 'signature': 'signature_four',822 'hash': "transaction_hash_four"823 }824 transaction_five = {825 'from': 'address',826 'timestamp': 1498927800,827 'to': 'to',828 'amount': 11,829 'signature': 'signature_five',830 'hash': "transaction_hash_five"831 }832 transaction_six = {833 'from': 'from',834 'timestamp': 1498928800,835 'to': 'to',836 'amount': 13,837 'signature': 'signature_six',838 'hash': "transaction_hash_six"839 }840 block_one = Mock(Block)841 block_one.transactions = [transaction_one, transaction_two]842 block_two = Mock(Block)843 block_two.transactions = [transaction_three, transaction_four]844 block_three = Mock(Block)845 block_three.transactions = [transaction_five, transaction_six]846 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:847 subject = Blockchain()848 subject.blocks = [block_one, block_two, block_three]849 transaction_history = subject.get_transaction_history('address')850 self.assertEqual(len(transaction_history), 4)851 self.assertEqual(transaction_history, [transaction_one, transaction_two, transaction_four, transaction_five])852 def test_get_transaction_history_whenAddressHasNoTransactions_returnEmptyList(self):853 transaction_one = {854 'from': 'from',855 'timestamp': 1498923800,856 'to': 'to',857 'amount': 1,858 'signature': 'signature_one',859 'hash': "transaction_hash_one"860 }861 transaction_two = {862 'from': 'from',863 'timestamp': 1498924800,864 'to': 'to',865 'amount': 3,866 'signature': 'signature_two',867 'hash': "transaction_hash_two"868 }869 transaction_three = {870 'from': 'from',871 'timestamp': 1498925800,872 'to': 'to',873 'amount': 5,874 'signature': 'signature_three',875 'hash': "transaction_hash_three"876 }877 transaction_four = {878 'from': 'from',879 'timestamp': 1498926800,880 'to': 'to',881 'amount': 7,882 'signature': 'signature_four',883 'hash': "transaction_hash_four"884 }885 transaction_five = {886 'from': 'from',887 'timestamp': 1498927800,888 'to': 'to',889 'amount': 11,890 'signature': 'signature_five',891 'hash': "transaction_hash_five"892 }893 transaction_six = {894 'from': 'from',895 'timestamp': 1498928800,896 'to': 'to',897 'amount': 13,898 'signature': 'signature_six',899 'hash': "transaction_hash_six"900 }901 block_one = Mock(Block)902 block_one.transactions = [transaction_one, transaction_two]903 block_two = Mock(Block)904 block_two.transactions = [transaction_three, transaction_four]905 block_three = Mock(Block)906 block_three.transactions = [transaction_five, transaction_six]907 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:908 subject = Blockchain()909 subject.blocks = [block_one, block_two, block_three]910 transaction_history = subject.get_transaction_history('address')911 self.assertEqual(len(transaction_history), 0)912 def test_get_balance_whenAddressHasTransactions_returnBalance(self):913 transaction_one = {914 'from': 'from',915 'timestamp': 1498923800,916 'to': 'address',917 'amount': 1,918 'signature': 'signature_one',919 'hash': "transaction_hash_one"920 }921 transaction_two = {922 'from': 'from',923 'timestamp': 1498924800,924 'to': 'address',925 'amount': 3,926 'signature': 'signature_two',927 'hash': "transaction_hash_two"928 }929 transaction_three = {930 'from': 'from',931 'timestamp': 1498925800,932 'to': 'to',933 'amount': 5,934 'signature': 'signature_three',935 'hash': "transaction_hash_three"936 }937 transaction_four = {938 'from': 'from',939 'timestamp': 1498926800,940 'to': 'address',941 'amount': 7,942 'signature': 'signature_four',943 'hash': "transaction_hash_four"944 }945 transaction_five = {946 'from': 'address',947 'timestamp': 1498927800,948 'to': 'to',949 'amount': .11,950 'signature': 'signature_fave',951 'hash': "transaction_hash_five"952 }953 transaction_six = {954 'from': 'address',955 'timestamp': 1498928800,956 'to': 'to',957 'amount': .13,958 'signature': 'signature_six',959 'hash': "transaction_hash_six"960 }961 block_one = Mock(Block)962 block_one.transactions = [transaction_one, transaction_two]963 block_two = Mock(Block)964 block_two.transactions = [transaction_three, transaction_four]965 block_three = Mock(Block)966 block_three.transactions = [transaction_five, transaction_six]967 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:968 subject = Blockchain()969 subject.blocks = [block_one, block_two, block_three]970 balance = subject.get_balance('address')971 self.assertEqual(balance, 10.76)972 def test_get_balance_whenAddressHasNoTransactions_returnZeroBalance(self):973 transaction_one = {974 'from': 'from',975 'timestamp': 1498923800,976 'to': 'to',977 'amount': 1,978 'signature': 'signature_one',979 'hash': "transaction_hash_one"980 }981 transaction_two = {982 'from': 'from',983 'timestamp': 1498924800,984 'to': 'to',985 'amount': 3,986 'signature': 'signature_two',987 'hash': "transaction_hash_two"988 }989 transaction_three = {990 'from': 'from',991 'timestamp': 1498925800,992 'to': 'to',993 'amount': 5,994 'signature': 'signature_three',995 'hash': "transaction_hash_three"996 }997 block_one = Mock(Block)998 block_one.transactions = [transaction_one]999 block_two = Mock(Block)1000 block_two.transactions = [transaction_two]1001 block_three = Mock(Block)1002 block_three.transactions = [transaction_three]1003 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1004 subject = Blockchain()1005 subject.blocks = [block_one, block_two, block_three]1006 balance = subject.get_balance('address')1007 self.assertEqual(balance, 0)1008 def test_find_duplicate_transactions_WhenHashExists_thenReturnBlockIndex(self):1009 transaction_one = {1010 'from': 'from',1011 'timestamp': 1498923800,1012 'to': 'to',1013 'amount': 1,1014 'signature': 'signature_one',1015 'hash': "transaction_hash_one"1016 }1017 transaction_two = {1018 'from': 'from',1019 'timestamp': 1498924800,1020 'to': 'to',1021 'amount': 3,1022 'signature': 'signature_two',1023 'hash': "transaction_hash_two"1024 }1025 transaction_three = {1026 'from': 'from',1027 'timestamp': 1498925800,1028 'to': 'to',1029 'amount': 5,1030 'signature': 'signature_three',1031 'hash': "transaction_hash_three"1032 }1033 transaction_four = {1034 'from': 'from',1035 'timestamp': 1498926800,1036 'to': 'address',1037 'amount': 7,1038 'signature': 'signature_four',1039 'hash': "transaction_hash_four"1040 }1041 block_one = Mock(Block)1042 block_one.transactions = [transaction_one]1043 block_one.index = 01044 block_two = Mock(Block)1045 block_two.transactions = [transaction_two]1046 block_two.index = 11047 block_three = Mock(Block)1048 block_three.transactions = [transaction_three, transaction_four]1049 block_three.index = 21050 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1051 subject = Blockchain()1052 subject.blocks = [block_one, block_two, block_three]1053 resp = subject.find_duplicate_transactions("transaction_hash_four")1054 self.assertEqual(resp, block_three.index)1055 def test_find_duplicate_transactions_WhenHashNotFound_thenReturnFalse(self):1056 transaction_one = {1057 'from': 'from',1058 'timestamp': 1498923800,1059 'to': 'to',1060 'amount': 1,1061 'signature': 'signature_one',1062 'hash': "transaction_hash_one"1063 }1064 transaction_two = {1065 'from': 'from',1066 'timestamp': 1498924800,1067 'to': 'to',1068 'amount': 3,1069 'signature': 'signature_two',1070 'hash': "transaction_hash_two"1071 }1072 transaction_three = {1073 'from': 'from',1074 'timestamp': 1498925800,1075 'to': 'to',1076 'amount': 5,1077 'signature': 'signature_three',1078 'hash': "transaction_hash_three"1079 }1080 transaction_four = {1081 'from': 'from',1082 'timestamp': 1498926800,1083 'to': 'address',1084 'amount': 7,1085 'signature': 'signature_four',1086 'hash': "transaction_hash_four"1087 }1088 block_one = Mock(Block)1089 block_one.transactions = [transaction_one]1090 block_one.index = 01091 block_two = Mock(Block)1092 block_two.transactions = [transaction_two]1093 block_two.index = 11094 block_three = Mock(Block)1095 block_three.transactions = [transaction_three, transaction_four]1096 block_three.index = 21097 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1098 subject = Blockchain()1099 subject.blocks = [block_one, block_two, block_three]1100 resp = subject.find_duplicate_transactions("transaction_hash_five")1101 self.assertFalse(resp)1102 def test_validate_chain_whenAllBlocksValid_thenReturnTrue(self):1103 mock_block = Mock(Block)1104 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \1105 patch.object(Blockchain, 'validate_block', return_value=True) as patched_validate_block:1106 subject = Blockchain()1107 subject.blocks = [mock_block, mock_block, mock_block]1108 resp = subject.validate_chain()1109 self.assertTrue(resp)1110 def test_validate_chain_whenInvalidBlockPresent_thenRaiseException(self):1111 mock_block = Mock(Block)1112 with patch.object(Blockchain, '__init__', return_value=None) as patched_init, \1113 patch.object(Blockchain, 'validate_block', side_effect=InvalidHash(2, "Invalid Hash")) as patched_validate_block:1114 subject = Blockchain()1115 subject.blocks = [mock_block, mock_block, mock_block]1116 with self.assertRaises(InvalidHash):1117 subject.validate_chain()1118 def test_get_reward_whenGivenIndex_thenReturnsProperReward(self):1119 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1120 subject = Blockchain()1121 reward_one = subject.get_reward(0)1122 reward_two = subject.get_reward(999)1123 reward_three = subject.get_reward(1000)1124 reward_four = subject.get_reward(1999)1125 reward_five = subject.get_reward(2000)1126 reward_six = subject.get_reward(3000)1127 reward_seven = subject.get_reward(4000)1128 reward_eight = subject.get_reward(5000)1129 reward_nine = subject.get_reward(5999)1130 reward_ten = subject.get_reward(6000)1131 self.assertEqual(reward_one, 50)1132 self.assertEqual(reward_two, 50)1133 self.assertEqual(reward_three, 25)1134 self.assertEqual(reward_four, 25)1135 self.assertEqual(reward_five, 12)1136 self.assertEqual(reward_six, 6)1137 self.assertEqual(reward_seven, 3)1138 self.assertEqual(reward_eight, 1)1139 self.assertEqual(reward_nine, 1)1140 self.assertEqual(reward_ten, 0)1141 def test_get_size_whenBlocksExist_thenReturnsProperLength(self):1142 mock_block = Mock(Block)1143 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1144 subject = Blockchain()1145 subject.blocks = [mock_block, mock_block, mock_block]1146 size = subject.get_size()1147 self.assertEqual(3, size)1148 def test_get_size_whenNoBlocksExist_thenReturnsZero(self):1149 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1150 subject = Blockchain()1151 size = subject.get_size()1152 self.assertEqual(0, size)1153 def test_get_latest_block_whenBlocksExist_thenReturnLatestBlock(self):1154 mock_block = Mock(Block)1155 latest_block = Mock(Block)1156 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1157 subject = Blockchain()1158 subject.blocks = [mock_block, mock_block, mock_block, latest_block]1159 block = subject.get_latest_block()1160 self.assertEqual(block, latest_block)1161 def test_get_latest_block_whenNoBlocksExist_thenReturnNone(self):1162 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1163 subject = Blockchain()1164 block = subject.get_latest_block()1165 self.assertIsNone(block)1166 def test_get_block_by_index_whenBlockExists_thenReturnCorrectBlock(self):1167 mock_block_one = Mock(Block)1168 mock_block_two = Mock(Block)1169 mock_block_three = Mock(Block)1170 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1171 subject = Blockchain()1172 subject.blocks = [mock_block_one, mock_block_two, mock_block_three]1173 block = subject.get_block_by_index(1)1174 self.assertEqual(block, mock_block_two)1175 def test_get_block_by_index_whenBlockDoesNotExist_thenReturnNone(self):1176 mock_block_one = Mock(Block)1177 mock_block_two = Mock(Block)1178 mock_block_three = Mock(Block)1179 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1180 subject = Blockchain()1181 subject.blocks = [mock_block_one, mock_block_two, mock_block_three]1182 block = subject.get_block_by_index(3)1183 self.assertIsNone(block)1184 def test_get_blocks_range_whenBlocksExists_thenReturnCorrectBlocks(self):1185 mock_block_one = Mock(Block)1186 mock_block_two = Mock(Block)1187 mock_block_three = Mock(Block)1188 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1189 subject = Blockchain()1190 subject.blocks = [mock_block_one, mock_block_two, mock_block_three]1191 blocks = subject.get_blocks_range(0, 2)1192 self.assertEqual(blocks, subject.blocks)1193 blocks = subject.get_blocks_range(0, 1)1194 self.assertEqual(blocks, [mock_block_one, mock_block_two])1195 def test_get_blocks_range_whenBlocksOutOfRange_thenReturnsListOfBlocksWithinRange(self):1196 mock_block_one = Mock(Block)1197 mock_block_two = Mock(Block)1198 mock_block_three = Mock(Block)1199 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1200 subject = Blockchain()1201 subject.blocks = [mock_block_one, mock_block_two, mock_block_three]1202 blocks = subject.get_blocks_range(4, 6)1203 self.assertEqual(blocks, [])1204 blocks = subject.get_blocks_range(1, 5)1205 self.assertEqual(blocks, [mock_block_two, mock_block_three])1206 def test_pop_next_unconfirmed_transaction_whenTransactionsExist_thenPopsAndReturnsFirstTransaction(self):1207 transaction_one = {1208 'from': 'from',1209 'timestamp': 1498923800,1210 'to': 'to',1211 'amount': 1,1212 'signature': 'signature_one',1213 'hash': "transaction_hash_one"1214 }1215 transaction_two = {1216 'from': 'from',1217 'timestamp': 1498924800,1218 'to': 'to',1219 'amount': 3,1220 'signature': 'signature_two',1221 'hash': "transaction_hash_two"1222 }1223 transaction_three = {1224 'from': 'from',1225 'timestamp': 1498925800,1226 'to': 'to',1227 'amount': 5,1228 'signature': 'signature_three',1229 'hash': "transaction_hash_three"1230 }1231 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1232 subject = Blockchain()1233 subject.unconfirmed_transactions_lock = threading.Lock()1234 subject.unconfirmed_transactions = [transaction_one, transaction_two, transaction_three]1235 transaction = subject.pop_next_unconfirmed_transaction()1236 self.assertEqual(transaction, transaction_one)1237 self.assertEqual(len(subject.unconfirmed_transactions), 2)1238 self.assertTrue(transaction_one not in subject.unconfirmed_transactions)1239 def test_pop_next_unconfirmed_transaction_whenNoTransactionsExist_thenReturnsNone(self):1240 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1241 subject = Blockchain()1242 subject.unconfirmed_transactions_lock = threading.Lock()1243 transaction = subject.pop_next_unconfirmed_transaction()1244 self.assertIsNone(transaction)1245 def test_push_unconfirmed_transaction_thenPushesTransactionAndReturnsNone(self):1246 transaction_one = {1247 'from': 'from',1248 'timestamp': 1498923800,1249 'to': 'to',1250 'amount': 1,1251 'signature': 'signature_one',1252 'hash': "transaction_hash_one"1253 }1254 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1255 subject = Blockchain()1256 subject.unconfirmed_transactions_lock = threading.Lock()1257 resp = subject.push_unconfirmed_transaction(transaction_one)1258 self.assertTrue(resp)1259 self.assertEqual(len(subject.unconfirmed_transactions), 1)1260 self.assertTrue(transaction_one in subject.unconfirmed_transactions)1261 def test_verify_signature_whenSignatureAndMessageAndPublicKeyMatch_thenReturnsTrue(self):1262 signature = '304502202d009c9b97385189d23600ae480435ea5b68786dbdba184c80e0fb6e58d8c5520221009c25f5cdf659f33ce04f683e14f355b3db5524a289feb9efa4c6879342a81648'1263 message = 'hello world'1264 public_key = '04496ee863ef587f55b911987c0b0e88b73e840440b834c50ff774677dde49468dafe07868452635e986c35b62244b4739a8db5e27750ff172a9e52ea7278e93c6'1265 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1266 subject = Blockchain()1267 resp = subject.verify_signature(1268 signature,1269 message,1270 public_key1271 )1272 self.assertTrue(resp)1273 def test_verify_signature_whenSignatureAndMessageAndPublicKeyMisMatch_thenReturnsFalse(self):1274 signature = '304502202d009c9b97385189d23600ae480435ea5b68786dbdba184c80e0fb6e58d8c5520221009c25f5cdf659f33ce04f683e14f355b3db5524a289feb9efa4c6879342a81648'1275 message = 'invalid message'1276 public_key = '04496ee863ef587f55b911987c0b0e88b73e840440b834c50ff774677dde49468dafe07868452635e986c35b62244b4739a8db5e27750ff172a9e52ea7278e93c6'1277 with patch.object(Blockchain, '__init__', return_value=None) as patched_init:1278 subject = Blockchain()1279 resp = subject.verify_signature(1280 signature,1281 message,1282 public_key1283 )...
test_node.py
Source:test_node.py
1import unittest2from mock import patch, Mock, MagicMock, call3from crankycoin.node import *4class TestNode(unittest.TestCase):5 def test_request_nodes_whenValidNode_thenRequestsNodes(self):6 mock_response = Mock()7 mock_response.status_code = 2008 mock_response.json.return_value = {"full_nodes": ["127.0.0.2", "127.0.0.1", "127.0.0.3"]}9 with patch.object(FullNode, '__init__', return_value=None) as patched_init, \10 patch("crankycoin.requests.get", return_value=mock_response) as patched_requests:11 node = FullNode("127.0.0.1", "reward_address")12 nodes = node.request_nodes("127.0.0.2", "30013")13 self.assertIsNotNone(nodes)14 self.assertEqual(nodes, {"full_nodes": ["127.0.0.2", "127.0.0.1", "127.0.0.3"]})15 patched_requests.assert_called_once_with('http://127.0.0.2:30013/nodes')16 def test_request_nodes_whenNon200Status_thenReturnsNone(self):17 mock_response = Mock()18 mock_response.status_code = 40419 with patch.object(FullNode, '__init__', return_value=None) as patched_init, \20 patch("crankycoin.requests.get", return_value=mock_response) as patched_requests:21 node = FullNode("127.0.0.1", "reward_address")22 nodes = node.request_nodes("127.0.0.2", "30013")23 self.assertIsNone(nodes)24 patched_requests.assert_called_once_with('http://127.0.0.2:30013/nodes')25 def test_request_nodes_whenRequestError_thenReturnsNone(self):26 with patch.object(FullNode, '__init__', return_value=None) as patched_init, \27 patch("crankycoin.requests.get", side_effect=requests.exceptions.RequestException()) as patched_requests:28 node = FullNode("127.0.0.1", "reward_address")29 nodes = node.request_nodes("127.0.0.2", "30013")30 self.assertIsNone(nodes)31 patched_requests.assert_called_once_with('http://127.0.0.2:30013/nodes')32 def test_request_nodes_from_all_SetsFullNodesPropertyOnClass(self):33 nodes_one = {"full_nodes": ["127.0.0.2", "127.0.0.1", "127.0.0.4"]}34 nodes_two = {"full_nodes": ["127.0.0.2", "127.0.0.3", "127.0.0.5"]}35 nodes_three = {"full_nodes": ["127.0.0.1", "127.0.0.3", "127.0.0.4"]}36 with patch.object(FullNode, '__init__', return_value=None) as patched_init, \37 patch.object(FullNode, 'request_nodes', side_effect=[nodes_one, nodes_two, nodes_three]) as patched_request_nodes:38 node = FullNode("127.0.0.1", "reward_address")39 node.full_nodes = {"127.0.0.1", "127.0.1.1", "127.0.1.2"}40 node.request_nodes_from_all()41 self.assertEqual(node.full_nodes, {"127.0.0.2", "127.0.0.1", "127.0.0.3", "127.0.0.4", "127.0.0.5", "127.0.1.1", "127.0.1.2"})42 def test_broadcast_transaction_thenBroadcastsToAllNodes(self):43 transaction = {}44 with patch.object(FullNode, '__init__', return_value=None) as patched_init, \45 patch.object(FullNode, 'request_nodes_from_all') as patched_request_nodes_from_all, \46 patch("crankycoin.requests.post") as patched_requests:47 node = FullNode("127.0.0.1", "reward_address")48 node.full_nodes = {"127.0.0.1", "127.0.0.2", "127.0.0.3"}49 node.broadcast_transaction(transaction)50 patched_request_nodes_from_all.assert_called_once()51 patched_requests.assert_has_calls([52 call("http://127.0.0.1:30013/transactions", json={'transaction': {}}),53 call("http://127.0.0.2:30013/transactions", json={'transaction': {}}),54 call("http://127.0.0.3:30013/transactions", json={'transaction': {}})55 ], True)56 def test_broadcast_transaction_whenRequestException_thenFailsGracefully(self):57 transaction = {}58 with patch.object(FullNode, '__init__', return_value=None) as patched_init, \59 patch.object(FullNode, 'request_nodes_from_all') as patched_request_nodes_from_all, \60 patch("crankycoin.requests.post", side_effect=requests.exceptions.RequestException()) as patched_requests:61 node = FullNode("127.0.0.1", "reward_address")62 node.full_nodes = {"127.0.0.1", "127.0.0.2", "127.0.0.3"}63 node.broadcast_transaction(transaction)64 patched_request_nodes_from_all.assert_called_once()65 patched_requests.assert_has_calls([66 call("http://127.0.0.1:30013/transactions", json={'transaction': {}}),67 call("http://127.0.0.2:30013/transactions", json={'transaction': {}}),68 call("http://127.0.0.3:30013/transactions", json={'transaction': {}})69 ], True)70 def test_request_block_whenIndexIsLatest_thenRequestsLatestBlockFromNode(self):71 mock_response = Mock()72 mock_response.status_code = 20073 mock_response.json.return_value = '{"nonce": 12345, "index": 35, "transactions": [], "timestamp": 1234567890, "current_hash": "current_hash", "previous_hash": "previous_hash"}'74 with patch.object(FullNode, '__init__', return_value=None) as patched_init, \75 patch("crankycoin.requests.get", return_value=mock_response) as patched_requests:76 node = FullNode("127.0.0.1", "reward_address")77 block = node.request_block("127.0.0.2", "30013", "latest")78 self.assertIsNotNone(block)79 self.assertEqual(block.index, 35)80 self.assertEqual(block.transactions, [])81 self.assertEqual(block.previous_hash, "previous_hash")82 self.assertEqual(block.current_hash, "current_hash")83 self.assertEqual(block.timestamp, 1234567890)84 self.assertEqual(block.nonce, 12345)85 patched_requests.assert_called_once_with('http://127.0.0.2:30013/block/latest')86 def test_request_block_whenIndexIsNumeric_thenRequestsCorrectBlockFromNode(self):87 mock_response = Mock()88 mock_response.status_code = 20089 mock_response.json.return_value = '{"nonce": 12345, "index": 29, "transactions": [], "timestamp": 1234567890, "current_hash": "current_hash", "previous_hash": "previous_hash"}'90 with patch.object(FullNode, '__init__', return_value=None) as patched_init, \91 patch("crankycoin.requests.get", return_value=mock_response) as patched_requests:92 node = FullNode("127.0.0.1", "reward_address")93 block = node.request_block("127.0.0.2", "30013", 29)94 self.assertIsNotNone(block)95 self.assertEqual(block.index, 29)96 self.assertEqual(block.transactions, [])97 self.assertEqual(block.previous_hash, "previous_hash")98 self.assertEqual(block.current_hash, "current_hash")99 self.assertEqual(block.timestamp, 1234567890)100 self.assertEqual(block.nonce, 12345)101 patched_requests.assert_called_once_with('http://127.0.0.2:30013/block/29')102 def test_request_block_whenRequestException_thenReturnsNone(self):103 with patch.object(FullNode, '__init__', return_value=None) as patched_init, \104 patch("crankycoin.requests.get", side_effect=requests.exceptions.RequestException()) as patched_requests:105 node = FullNode("127.0.0.1", "reward_address")106 block = node.request_block("127.0.0.2", "30013", "latest")107 self.assertIsNone(block)108 patched_requests.assert_called_once_with('http://127.0.0.2:30013/block/latest')109 def test_request_block_from_all_whenIndexIsLatest_thenReturnsLatestBlockFromAll(self):110 block = Mock(Block)111 with patch.object(FullNode, '__init__', return_value=None) as patched_init, \112 patch.object(FullNode, 'request_block', side_effect=[block, block, block]) as patched_request_block:113 node = FullNode("127.0.0.1", "reward_address")114 node.full_nodes = {"127.0.0.1", "127.0.0.2", "127.0.0.3"}115 blocks = node.request_block_from_all("latest")116 self.assertEqual(blocks, [block, block, block])117 patched_request_block.assert_has_calls([118 call("127.0.0.1", "30013", "latest"),119 call("127.0.0.2", "30013", "latest"),120 call("127.0.0.3", "30013", "latest")121 ], True)122 def test_request_blocks_range(self):123 pass124 def test_request_blockchain(self):125 pass126 def test_mine(self):127 pass128 def test_broadcast_block(self):129 pass130 def test_add_node(self):131 pass132 def test_broadcast_node(self):133 pass134 def test_load_blockchain(self):135 pass136 def test_synchronize(self):137 pass138 def test_generate_ecc_instance(self):139 pass140 def test_get_pubkey(self):141 pass142 def test_get_privkey(self):143 pass144 def test_sign(self):145 pass146 def test_verify(self):147 pass148 def test_get_balance(self):149 pass150 def test_create_transaction(self):151 pass152 def test_calculate_transaction_hash(self):153 pass154 def test_generate_signable_transaction(self):...
test_backends.py
Source:test_backends.py
1"""Mostly copied from django-warrant's tests.py."""2from django.conf import settings3from django.test import override_settings4from django.test import TestCase5from lizard_auth_server import backends6from unittest import mock7def get_user(cls, *args, **kwargs):8 user = {9 "user_status": kwargs.pop("user_status", "CONFIRMED"),10 "username": kwargs.pop("access_token", "testuser"),11 "email": kwargs.pop("email", "test@email.com"),12 "given_name": kwargs.pop("given_name", "FirstName"),13 "family_name": kwargs.pop("family_name", "LastName"),14 "UserAttributes": [15 {"Name": "sub", "Value": "c7d890f6-eb38-498d-8f85-7a6c4af33d7a"},16 {"Name": "email_verified", "Value": "true"},17 {"Name": "gender", "Value": "male"},18 {"Name": "name", "Value": "FirstName LastName"},19 {"Name": "preferred_username", "Value": "testuser"},20 {"Name": "given_name", "Value": "FirstName"},21 {"Name": "family_name", "Value": "LastName"},22 {"Name": "email", "Value": "test@email.com"},23 {"Name": "custom:api_key", "Value": "abcdefg"},24 {"Name": "custom:api_key_id", "Value": "ab-1234"},25 ],26 }27 user_metadata = {28 "username": user.get("Username"),29 "id_token": cls.id_token,30 "access_token": cls.access_token,31 "refresh_token": cls.refresh_token,32 "api_key": user.get("custom:api_key", None),33 "api_key_id": user.get("custom:api_key_id", None),34 }35 return cls.get_user_obj(36 username=cls.username,37 attribute_list=user.get("UserAttributes"),38 metadata=user_metadata,39 )40@override_settings(41 AUTHENTICATION_BACKENDS=[42 "lizard_auth_server.backends.CognitoBackend",43 "django.contrib.auth.backends.ModelBackend",44 ],45 AWS_ACCESS_KEY_ID="something"46)47@mock.patch("lizard_auth_server.backends.CognitoUser.__init__")48class TestCognitoUser(TestCase):49 @mock.patch("lizard_auth_server.signal_handlers.CognitoUser")50 def test_smoke(self, CognitoUser_m, patched_init):51 """Quick test52 The code has been mostly been copied from django-warrant and has been53 tested there, so I'm not going to re-build the entire test54 infrastructure here, especially as calls to amazon are being made.55 """56 patched_init.return_value = None57 # Example user is mostly copied from django-warrant's tests.58 example_user = {59 "user_status": "CONFIRMED",60 "username": "testuser",61 "email": "test@email.com",62 "given_name": "FirstName",63 "family_name": "LastName",64 "UserAttributes": [65 {"Name": "sub", "Value": "c7d890f6-eb38-498d-8f85-7a6c4af33d7a"},66 {"Name": "email_verified", "Value": "true"},67 {"Name": "gender", "Value": "male"},68 {"Name": "name", "Value": "FirstName LastName"},69 {"Name": "preferred_username", "Value": "testuser"},70 {"Name": "given_name", "Value": "FirstName"},71 {"Name": "family_name", "Value": "LastName"},72 {"Name": "email", "Value": "test@email.com"},73 {"Name": "custom:api_key", "Value": "abcdefg"},74 {"Name": "custom:api_key_id", "Value": "ab-1234"},75 ],76 }77 attribute_list = example_user["UserAttributes"]78 cognito_user = backends.CognitoUser()79 django_user1 = cognito_user.get_user_obj(80 username="test", attribute_list=attribute_list81 )82 self.assertEqual(django_user1.email, "test@email.com")83 self.assertTrue(django_user1.user_profile.migrated_at)84 self.assertFalse(85 CognitoUser_m.from_username.return_value.admin_user_exists.called86 )87 # Doing it a second time reuses the exisiting user.88 django_user2 = cognito_user.get_user_obj(89 username="test", attribute_list=attribute_list90 )91 self.assertEqual(django_user2.id, django_user1.id)92 def test_admin_set_password(self, patched_init):93 patched_init.return_value = None94 cognito_user = backends.CognitoUser()95 cognito_user.client = mock.Mock() # the boto3 client96 cognito_user.username = "testuser"97 cognito_user.user_pool_id = "foo"98 cognito_user.admin_set_user_password("bar")99 # AdminSetUserPassword should be called as documented100 args, kwargs = cognito_user.client.admin_set_user_password.call_args101 expected = {102 "UserPoolId": "foo",103 "Username": "testuser",104 "Password": "bar",105 "Permanent": True,106 }107 self.assertDictEqual(expected, kwargs)108 def test_admin_user_exists(self, patched_init):109 patched_init.return_value = None110 cognito_user = backends.CognitoUser()111 cognito_user.client = mock.Mock() # the boto3 client112 cognito_user.username = "testuser"113 cognito_user.user_pool_id = "foo"114 cognito_user.admin_user_exists()115 # AdminGetUser should be called as documented116 args, kwargs = cognito_user.client.admin_get_user.call_args117 expected = {118 "UserPoolId": "foo",119 "Username": "testuser",120 }...
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