How to use test_fails_to_raise method in avocado

Best Python code snippet using avocado_python

test_loader.py

Source:test_loader.py

1import json2import os3import signal4import stat5import subprocess6import time7import unittest8from avocado.core import exit_codes9from avocado.utils import process, script10from .. import (AVOCADO, BASEDIR, TestCaseTmpDir, skipOnLevelsInferiorThan,11                skipUnlessPathExists)12AVOCADO_TEST_OK = """#!/usr/bin/env python13from avocado import Test14from avocado import main15class PassTest(Test):16    def test(self):17        pass18if __name__ == "__main__":19    main()20"""21AVOCADO_TEST_SLEEP_ELEVEN = """#!/usr/bin/env python22import time23from avocado import Test24from avocado import main25class SleepEleven(Test):26    def test(self):27        time.sleep(10)28    def test_2(self):29        time.sleep(1)30time.sleep(11)31if __name__ == "__main__":32    main()33"""34AVOCADO_TEST_MULTIPLE_CLASSES = """#!/usr/bin/env python35import time36from avocado import Test37from avocado import main38class First(Test):39    def test(self):40        pass41class Second(Test):42    def test(self):43        pass44if __name__ == "__main__":45    main()46"""47AVOCADO_TEST_MULTIPLE_METHODS_SAME_NAME = """#!/usr/bin/env python48from avocado import Test49from avocado import main50class Multiple(Test):51    def test(self):52        raise53    def test(self):54        pass55if __name__ == "__main__":56    main()57"""58NOT_A_TEST = """59def hello():60    print('Hello World!')61"""62PY_SIMPLE_TEST = """#!/usr/bin/env python63def hello():64    print('Hello World!')65if __name__ == "__main__":66    hello()67"""68SIMPLE_TEST = """#!/bin/sh69true70"""71AVOCADO_SIMPLE_PYTHON_LIKE_MULTIPLE_FILES = """#!/usr/bin/env python72# A simple test (executable bit set when saved to file) that looks like73# an Avocado instrumented test, with base class on separate file74from avocado import Test75from avocado import main76from test2 import *77class BasicTestSuite(SuperTest):78    '''79    :avocado: disable80    '''81    def test1(self):82        self.xxx()83        self.assertTrue(True)84if __name__ == '__main__':85    main()86"""87AVOCADO_SIMPLE_PYTHON_LIKE_MULTIPLE_FILES_LIB = """88#!/usr/bin/python89from avocado import Test90class SuperTest(Test):91    def xxx(self):92        print "ahoj"93"""94AVOCADO_TEST_SIMPLE_USING_MAIN = """#!/usr/bin/env python95from avocado import main96if __name__ == "__main__":97    main()98"""99class LoaderTestFunctional(TestCaseTmpDir):100    MODE_0664 = (stat.S_IRUSR | stat.S_IWUSR |101                 stat.S_IRGRP | stat.S_IWGRP |102                 stat.S_IROTH)103    MODE_0775 = (stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR |104                 stat.S_IRGRP | stat.S_IWGRP | stat.S_IXGRP |105                 stat.S_IROTH | stat.S_IXOTH)106    def _test(self, name, content, exp_str, mode=MODE_0664, count=1):107        test_script = script.TemporaryScript(name, content,108                                             'avocado_loader_test',109                                             mode=mode)110        test_script.save()111        cmd_line = ('%s -V list %s' % (AVOCADO, test_script.path))112        result = process.run(cmd_line)113        self.assertIn('%s: %s' % (exp_str, count), result.stdout_text)114        test_script.remove()115    def _run_with_timeout(self, cmd_line, timeout):116        current_time = time.time()117        deadline = current_time + timeout118        test_process = subprocess.Popen(cmd_line, stdout=subprocess.PIPE,  # pylint: disable=W1509119                                        stderr=subprocess.PIPE,120                                        preexec_fn=os.setsid, shell=True)121        while not test_process.poll():122            if time.time() > deadline:123                os.killpg(os.getpgid(test_process.pid), signal.SIGKILL)124                self.fail("Failed to run test under %s seconds" % timeout)125            time.sleep(0.05)126        self.assertEqual(test_process.returncode, exit_codes.AVOCADO_TESTS_FAIL)127    def test_simple(self):128        self._test('simpletest.sh', SIMPLE_TEST, 'simple', self.MODE_0775)129    def test_simple_not_exec(self):130        # 2 because both FileLoader and the TAP loader cannot recognize the test131        self._test('simpletest.sh', SIMPLE_TEST, 'not_a_test', count=2)132    def test_pass(self):133        self._test('passtest.py', AVOCADO_TEST_OK, 'instrumented')134    def test_not_python_module(self):135        # 2 because both FileLoader and the TAP loader cannot recognize the test136        self._test('passtest', AVOCADO_TEST_OK, 'not_a_test', count=2)137    @skipOnLevelsInferiorThan(2)138    def test_sleep_a_lot(self):139        """140        Verifies that the test loader, at list time, does not load the Python141        module and thus executes its contents.142        :avocado: tags=parallel:1143        """144        test_script = script.TemporaryScript('sleepeleven.py',145                                             AVOCADO_TEST_SLEEP_ELEVEN,146                                             'avocado_loader_test',147                                             mode=self.MODE_0664)148        test_script.save()149        cmd_line = ('%s -V list %s' % (AVOCADO, test_script.path))150        initial_time = time.time()151        result = process.run(cmd_line, ignore_status=True)152        test_script.remove()153        actual_time = time.time() - initial_time154        self.assertLess(actual_time, 3.0,155                        ("Took more than 3 seconds to list tests. Loader "156                         "probably loaded/executed Python code and slept for "157                         "eleven seconds."))158        self.assertIn(b'instrumented: 2', result.stdout)159    def test_multiple_class(self):160        self._test('multipleclasses.py', AVOCADO_TEST_MULTIPLE_CLASSES,161                   'instrumented', self.MODE_0664, 2)162    def test_multiple_methods_same_name(self):163        self._test('multiplemethods.py', AVOCADO_TEST_MULTIPLE_METHODS_SAME_NAME,164                   'instrumented', self.MODE_0664, 1)165    def test_load_not_a_test(self):166        self._test('notatest.py', NOT_A_TEST, 'simple', self.MODE_0775)167    def test_load_not_a_test_not_exec(self):168        # 2 because both FileLoader and the TAP loader cannot recognize the test169        self._test('notatest.py', NOT_A_TEST, 'not_a_test', count=2)170    @skipOnLevelsInferiorThan(2)171    def test_runner_simple_python_like_multiple_files(self):172        """173        :avocado: tags=parallel:1174        """175        mylib = script.TemporaryScript(176            'test2.py',177            AVOCADO_SIMPLE_PYTHON_LIKE_MULTIPLE_FILES_LIB,178            'avocado_simpletest_functional',179            self.MODE_0664)180        mylib.save()181        mytest = script.Script(182            os.path.join(os.path.dirname(mylib.path), 'test.py'),183            AVOCADO_SIMPLE_PYTHON_LIKE_MULTIPLE_FILES)184        os.chdir(BASEDIR)185        mytest.save()186        cmd_line = "%s -V list %s" % (AVOCADO, mytest)187        result = process.run(cmd_line)188        self.assertIn(b'simple: 1', result.stdout)189        # job should be able to finish under 5 seconds. If this fails, it's190        # possible that we hit the "simple test fork bomb" bug191        cmd_line = ("%s run --disable-sysinfo --job-results-dir '%s' -- '%s'"192                    % (AVOCADO, self.tmpdir.name, mytest))193        self._run_with_timeout(cmd_line, 5)194    @skipOnLevelsInferiorThan(2)195    def test_simple_using_main(self):196        """197        :avocado: tags=parallel:1198        """199        mytest = script.TemporaryScript("simple_using_main.py",200                                        AVOCADO_TEST_SIMPLE_USING_MAIN,201                                        'avocado_simpletest_functional')202        mytest.save()203        os.chdir(BASEDIR)204        # job should be able to finish under 5 seconds. If this fails, it's205        # possible that we hit the "simple test fork bomb" bug206        cmd_line = ("%s run --disable-sysinfo --job-results-dir '%s' -- '%s'"207                    % (AVOCADO, self.tmpdir.name, mytest))208        self._run_with_timeout(cmd_line, 5)209    def test_python_unittest(self):210        test_path = os.path.join(BASEDIR, "selftests", ".data", "unittests.py")211        cmd = ("%s run --disable-sysinfo --job-results-dir %s --json - -- %s"212               % (AVOCADO, self.tmpdir.name, test_path))213        result = process.run(cmd, ignore_status=True)214        jres = json.loads(result.stdout_text)215        self.assertEqual(result.exit_status, 1, result)216        exps = [("unittests.Second.test_fail", "FAIL"),217                ("unittests.Second.test_error", "ERROR"),218                ("unittests.Second.test_skip", "CANCEL"),219                ("unittests.First.test_pass", "PASS")]220        for test in jres["tests"]:221            for exp in exps:222                if exp[0] in test["id"]:223                    self.assertEqual(test["status"], exp[1], "Status of %s not"224                                     " as expected\n%s" % (exp, result))225                    exps.remove(exp)226                    break227            else:228                self.fail("No expected result for %s\n%s\n\nexps = %s"229                          % (test["id"], result, exps))230        self.assertFalse(exps, "Some expected result not matched to actual"231                         "results:\n%s\n\nexps = %s" % (result, exps))232    def test_list_subtests_filter(self):233        """234        Check whether the subtests filter works for both INSTRUMENTED235        and SIMPLE in a directory list.236        """237        cmd = "%s list examples/tests/:fail" % AVOCADO238        result = process.run(cmd)239        expected = (b"INSTRUMENTED examples/tests/assert.py:Assert.test_fails_to_raise\n"240                    b"INSTRUMENTED examples/tests/doublefail.py:DoubleFail.test\n"241                    b"INSTRUMENTED examples/tests/fail_on_exception.py:FailOnException.test\n"242                    b"INSTRUMENTED examples/tests/failtest.py:FailTest.test\n"243                    b"SIMPLE       examples/tests/failtest.sh\n")244        self.assertEqual(expected, result.stdout)245    @skipUnlessPathExists('/bin/sh')246    def test_loader_and_external_runner_incompatibility(self):247        """248        Check if the user is inform about incompatibility between loader and249        external_runner.250        """251        test_script = script.TemporaryScript('simpletest.sh', SIMPLE_TEST,252                                             'avocado_loader_test',253                                             mode=self.MODE_0775)254        test_script.save()255        cmd = ("%s run --loaders=FOO "256               "--external-runner=/bin/sh %s") % (AVOCADO, test_script.path)257        result = process.run(cmd)258        expected_warning = ("The loaders and external-runner are incompatible."259                            "The values in loaders will be ignored.")260        self.assertIn(expected_warning, result.stderr_text)261        cmd = "%s run --external-runner=/bin/sh %s" % (AVOCADO,262                                                       test_script.path)263        result = process.run(cmd)264        self.assertNotIn(expected_warning, result.stderr_text)265        test_script.remove()266if __name__ == '__main__':...

assert.py

Source:assert.py

...6class Assert(Test):7    def test_assert_raises(self):8        with self.assertRaises(MyException):9            raises_exception()10    def test_fails_to_raise(self):11        with self.assertRaises(MyException):...

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