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How to use test_logs method in localstack

Best Python code snippet using localstack_python

unit6_lesson_02_understanding_decorators.py

Source:unit6_lesson_02_understanding_decorators.py

1__author__ = 'Kalyan'23notes = '''4 Decorators are higher order functions that add behavior to other functions. Python provides a simple syntax that makes5 it easy to use decorators on existing functions. This makes it easy to define higher order behaviors that can applied6 to other functions without repeating the same behavior in every function.78 To get an idea of how python folks introduces language features and spec them out read the PEP:9 http://legacy.python.org/dev/peps/pep-0318/1011 Review all the previous function lessons including nested functions if required and remember that12 functions are first class objects in python!13'''1415from placeholders import *1617# This is a function that adds enter log to another function by wrapping18# the func call with additional log behavior.19def log(func):20    # the inner function has access to outer func locals and they are bound at definition21    # time via a closure.22    def inner():23        print(("Entering func", func.__name__))24        return func()25    return inner  # returns a new func.2627# This is how you would do it, without any help from python.28def test_decorators_old_way():29    # A dummy method for testing.30    def get_hello():31        return "hello"3233    assert __ == get_hello.__name__34    assert __ == get_hello()3536    # Check that there is no log statement from the above invocation to get_hello in the pytest output and then37    # remove the assert. Logs are not shown for passing tests to reduce output verbosity.38    assert False3940    # now we are creating a new version of get_hello by invoking log.41    # now get_hello is bound to a new function returned by log!42    get_hello = log(get_hello)4344    #while the variable name is get_hello, the actual function is something else now!45    assert __ == get_hello.__name__46    # the result is same47    assert __ == get_hello()4849    # check the pytest output now and remove the assert after that. Search for  "Captured stdout call"...50    assert False5152    # we can use the same log method to decorate any number of functions53    # Thus promoting reusable behavior that can be applied to any function5455    # Another dummy method for testing.56    def get_bye():57        return "bye"5859    assert __ == get_bye.__name__60    assert __ == get_bye()6162    # Note that we could have held the return value in a new name.63    # By binding it to the original function name, we augment the functionality for the users64    # of get_hello or get_bye.65    dummy = log(get_bye)6667    #nothing changes so far.68    assert __ == get_bye.__name__69    assert __ == get_bye()7071    #if we rebind get_bye then stuff changes and we get logging behavior72    get_bye = dummy # same as get_bye = log(get_bye)73    assert __ == get_bye.__name__74    assert __ == get_bye()7576    # remove after verifying that get_bye is now logging.77    assert False787980def test_decorators_syntax():81    # Note this new syntax which does exactly what we did in previous test.82    # (ie) invocation of log with get_hello and reassigning the result func to get_hello83    @log84    def get_hello():85        return "hello"8687    assert __ == get_hello.__name__88    assert __ == get_hello()8990    # check pytest output and then remove the assert.91    assert False;9293def test_decorators_promote_reuse():9495    def get_hello():96        return "hello"9798    def get_bye():99        return "hello"100101    def get_sorry():102        return "sorry"103104    # decorate all those 3 methods with log behavior. Note that we have augmented functionality of all functions105    # with the same decorator.106    assert "inner" == get_hello.__name__107    assert "inner" == get_bye.__name__108    assert "inner" == get_sorry.__name__109110    #while they have same name, they are not the same method (why?)111    get_hello()112    get_bye()113    get_sorry()114115    # check log output to see different log statements from each and then remove assert!116    assert False117118119def test_decorators_func_arguments():120    # to make testing easy we are going to append logs to this list instead of printing them!121    test_logs = []122    # how can we write decorators for functions which take arguments?123    # what do we do when we don't know arguments before hand?124    def log(func):125        def inner(__):126            # keeping log_stmt simple for testing, we can print argument values etc.127            # to make it useful for real.128            log_stmt = "Entered: " + func.__name__129            test_logs.append(log_stmt)130            return func(__)131132        return inner133134    # Note that we want to apply the same decorator to many functions135    @log136    def add(a, b):137        return a + b138139    @log140    def sub(a, b):141        return a - b142143    @log144    def increment(a):145        return a+1146147    test_logs = []148    assert __ == add(10, 20)149    assert [__] == test_logs150151    test_logs = []152    assert __ == sub(30, 25)153    assert [__] == test_logs154155    test_logs = []156    assert ___ == increment(12)157    assert [__] == test_logs158159160def test_decorator_chaining():161    def pass_through1(func):162        def inner1():163            test_logs.append("pt1")164            return func()165        return inner1166167    def pass_through2(func):168        def inner2():169            test_logs.append("pt2")170            return func()171        return inner2172173    @pass_through1174    @pass_through2175    def add(a,b):176        return a + b177178    test_logs = []179    assert __ == add(10,20)180    assert __ == add.__name__181    assert [__] == test_logs182183    # reverse order of decorators, what happens?184    @pass_through2185    @pass_through1186    def increment(a):187        return a+1188189    test_logs = []190    assert __ == increment(10)191    assert __ == increment.__name__192    assert [__] == test_logs193194def test_decorators_arguments():195    # Some times we want to parameterize the decorators. In that case196    # you write a decorator generator that is then applied on the function!197198    # Write a decorator generator which can be used to decorate test methods so that199    # they run only if a particular environment variable is defined, else they are skipped.200    # This sort of functionality is common in any testing framework to run certain tests on certain platforms only201202    import os203    # Define this decorator generator to work for arbitrary environment variables, see the usage to see how it is used204    def runif(variable):205        pass206207    # run this only if MY_LINUX env variable is present208    @runif("MY_LINUX")209    def linux_test():210        test_logs.append("linux_test called!")211212    # run this only if MY_WINDOWS env variable is present213    @runif("MY_WINDOWS")214    def windows_test():215        test_logs.append("windows_test called!")216217    # if you have defined runif correctly, these tests should pass.218219    test_logs = []220    # first no variables are defined.221    linux_test()222    windows_test()223    assert [] == test_logs224225    os.environ["MY_LINUX"] = "1"226    test_logs = []227    linux_test()228    windows_test()229    assert ["linux_test called!"] == test_logs230231    os.environ["MY_WINDOWS"] = "1"232    test_logs =[]233    linux_test()234    windows_test()235    assert ["linux_test called!", "windows_test called!"] == test_logs236237def test_decorators_wraps():238    # NOTE: some of these decorators have common bugs, fix them as you go along :-)239240    def pass_through1(func):241        def inner(*args, **kwargs):242            func(*args, **kwargs)243        return inner244245    @pass_through1246    def add(a, b):247        "adds 2 numbers"248        return a + b249250    # Note that we have lost useful information like documentation and name, which are used by251    # code inspection tools and help generators.252    assert __ == add.__name__253    assert __ == add.__doc__254    assert __ == add(10,20) # execution works fine255256    # preserving these is a common usecase. We can modify our decorators to preserves these.257    # modify this decorator to preserve func_name and func_doc by copying them over to the wrapper function.258    def pass_through2(func):259        def inner(*args, **kwargs):260            func(*args, **kwargs)261        return inner262263    @pass_through2264    def sub(a, b):265        "subtracts 2 numbers"266        return a - b267268    # these should have actual values now!269    assert __ == sub.__name__270    assert __ == sub.__doc__271    assert __ == sub(20, 10)272273    # since this behavior is commonly required. python gives an out of box feature to preserve these and274    # other function attributes. See https://docs.python.org/2/library/functools.html#functools.wraps275    import functools276    def pass_through3(func):277        @functools.wraps(func)278        def inner(*args, **kwargs):279            func(*args, **kwargs)280        return inner281282    @pass_through3283    def mult(a,b):284        return a*b285286    assert __ == mult.__name__287    assert __ == mult.__doc__288    assert __ == mult(10,20)289290# As a final exercise try to create your own version of wraps decorator generator that preserves just these291# 2 attributes and see if you understood the whole thing :)!292def test_decorators_custom_wrap():293    # This is your own implementation of wraps.294    def wraps(__):295        pass296297    # fix any bugs in the decorator just like before298    def pass_through(func):299        @wraps(__)300        def inner(*args, **kwargs):301            func(*args, **kwargs)302        return inner303304    @pass_through305    def add(a, b):306        'adds 2 numbers'307        return a + b308309    assert 'add' == add.__name__310    assert 'adds 2 numbers' == add.__doc__311    assert 30 == add(10, 20)312313314three_things_i_learnt = """315-316-317-
...

test_utilslogger.py

Source:test_utilslogger.py

1import unittest2import os3import glob4import json5import yaml6from unittest.mock import patch, mock_open, builtins7from outfit import Outfit 8from outfit import Logger9from outfit import merge_dict10from consul import Consul11from outfit.hashicorp.consul_config import ConsulCon12from outfit.utils.io import convert_yaml13from .assets.logging_b import logging_b14from .assets.logging import logging15class TestLogger(unittest.TestCase):16    def setUp(self):17        if not os.path.exists('tests/test_logs'):18            os.mkdir('tests/test_logs')19        curr_dir = os.path.dirname(__file__)20        file_path = 'assets/logging.yaml'21        # get the yaml file22        with open(os.path.join(curr_dir,file_path), 'r') as stream:23            try:24                self.normal_content = yaml.safe_load(stream)25            except yaml.YAMLError as err:26                Logger.error('error load yaml file ' + str(err))27            28    def test_setup_log_json(self):29        self.delete_all_log_files()30        Outfit.setup('./tests/assets/config-log-json.yaml')31        Logger.info('test_info')32        with open('tests/test_logs/info.log', 'r') as finfo:33            temp_info = finfo.readlines()34            last_line = temp_info[len(temp_info) - 1]35            self.assertTrue('test_info' in last_line)36        Logger.debug('test_debug')37        with open('tests/test_logs/debug.log', 'r') as fdebug:38            temp_debug = fdebug.readlines()39            last_line = temp_debug[len(temp_debug) - 1]40            self.assertTrue('test_debug' in last_line)41        Logger.error('test_error')42        with open('tests/test_logs/errors.log', 'r') as ferrors:43            temp_errors = ferrors.readlines()44            last_line = temp_errors[len(temp_errors) - 1]45            self.assertTrue('test_error' in last_line)46        Logger.critical('test_critical')47        with open('tests/test_logs/errors.log', 'r') as fcritical:48            temp_critical = fcritical.readlines()49            last_line = temp_critical[len(temp_critical) - 1]50            self.assertTrue('test_critical' in last_line)51    def test_setup_log_yaml(self):52        self.delete_all_log_files()53        Outfit.setup('./tests/assets/config.yaml')54        Logger.info('test_info')55        with open('tests/test_logs/info.log', 'r') as finfo:56            temp_info = finfo.readlines()57            last_line = temp_info[len(temp_info) - 1]58            self.assertTrue('test_info' in last_line)59        Logger.debug('test_debug')60        with open('tests/test_logs/debug.log', 'r') as fdebug:61            temp_debug = fdebug.readlines()62            last_line = temp_debug[len(temp_debug) - 1]63            self.assertTrue('test_debug' in last_line)64        Logger.error('test_error')65        with open('tests/test_logs/errors.log', 'r') as ferrors:66            temp_errors = ferrors.readlines()67            last_line = temp_errors[len(temp_errors) - 1]68            self.assertTrue('test_error' in last_line)69        Logger.critical('test_critical')70        with open('tests/test_logs/errors.log', 'r') as fcritical:71            temp_critical = fcritical.readlines()72            last_line = temp_critical[len(temp_critical) - 1]73            self.assertTrue('test_critical' in last_line)74    75    def test_setup_log_py(self):76        self.delete_all_log_files()77        Outfit.setup('./tests/assets/config-log-py.yaml')78        Logger.info('test_info')79        with open('tests/test_logs/info.log', 'r') as finfo:80            temp_info = finfo.readlines()81            last_line = temp_info[len(temp_info) - 1]82            self.assertTrue('test_info' in last_line)83        Logger.debug('test_debug')84        with open('tests/test_logs/debug.log', 'r') as fdebug:85            temp_debug = fdebug.readlines()86            last_line = temp_debug[len(temp_debug) - 1]87            self.assertTrue('test_debug' in last_line)88        Logger.error('test_error')89        with open('tests/test_logs/errors.log', 'r') as ferrors:90            temp_errors = ferrors.readlines()91            last_line = temp_errors[len(temp_errors) - 1]92            self.assertTrue('test_error' in last_line)93        Logger.critical('test_critical')94        with open('tests/test_logs/errors.log', 'r') as fcritical:95            temp_critical = fcritical.readlines()96            last_line = temp_critical[len(temp_critical) - 1]97            self.assertTrue('test_critical' in last_line)98    99    @patch.object(ConsulCon, 'get_kv')100    def test_setup_log_consulkv(self, mock_kv):101        self.delete_all_log_files()102        103        from outfit.utils.io import load_yaml104        mock_kv.return_value =  logging105        #result = convert_yaml(self.normal_content)106        Outfit.setup('./tests/assets/config-log-kv.yaml')107       108        m = minfo = mock_open(read_data='INFO:test_utilslogger.py(50)> test_info')109        mdebug = mock_open(read_data = 'ERROR:test_utilslogger.py(62)> test_debug')110        merror = mock_open(read_data = 'ERROR:test_utilslogger.py(62)> test_error')111        mcritical = mock_open(read_data = 'ERROR:test_utilslogger.py(62)> test_critical')112        m.side_effect = [minfo.return_value, mdebug.return_value, merror.return_value, mcritical.return_value]113        with patch('builtins.open', m):114            115            Logger.info('test_info')116            with open('tests/test_logs/info.log', 'r') as finfo:117                temp_info = finfo.read()118                last_line = temp_info[len(temp_info) - 1]119                self.assertTrue('test_info' in temp_info)120            Logger.debug('test_debug')121            with open('tests/test_logs/debug.log', 'r') as fdebug:122                temp_debug = fdebug.readlines()123                last_line = temp_debug[len(temp_debug) - 1]124                self.assertTrue('test_debug' in last_line)125            Logger.error('test_error')126            with open('tests/test_logs/errors.log', 'r') as ferrors:127                temp_errors = ferrors.readlines()128                last_line = temp_errors[len(temp_errors) - 1]129                self.assertTrue('test_error' in last_line)130            Logger.critical('test_critical')131            with open('tests/test_logs/errors.log', 'r') as fcritical:132                temp_critical = fcritical.readlines()133                last_line = temp_critical[len(temp_critical) - 1]134                self.assertTrue('test_critical' in last_line)135    @patch.object(ConsulCon, 'get_kv')136    def test_setup_log_consulkv_failed(self, mock_kv):137        self.delete_all_log_files()138        139        from outfit.utils.io import load_yaml140        mock_kv.return_value =  logging141        Outfit.setup('./tests/assets/config-log-kv.yaml')142        143        Logger.info('test_info')144        with open('tests/test_logs/info.log', 'r') as finfo:145            temp_info = finfo.readlines()146            print(temp_info)147            print(len(temp_info))148            last_line = temp_info[len(temp_info) - 1]149            self.assertTrue('test_info' in last_line)150        Logger.debug('test_debug')151        with open('tests/test_logs/debug.log', 'r') as fdebug:152            temp_debug = fdebug.readlines()153            last_line = temp_debug[len(temp_debug) - 1]154            self.assertTrue('test_debug' in last_line)155        Logger.error('test_error')156        with open('tests/test_logs/errors.log', 'r') as ferrors:157            temp_errors = ferrors.readlines()158            last_line = temp_errors[len(temp_errors) - 1]159            self.assertTrue('test_error' in last_line)160        Logger.critical('test_critical')161        with open('tests/test_logs/errors.log', 'r') as fcritical:162            temp_critical = fcritical.readlines()163            last_line = temp_critical[len(temp_critical) - 1]164            self.assertTrue('test_critical' in last_line)165    def delete_all_log_files(self):166        filelist = glob.glob(os.path.join('tests/test_logs', '*'))167        for f in filelist:168            os.remove(f) 169if __name__ == '__main__':...

test_logs.py

Source:test_logs.py

1import os2import json3import pytest4from panini.test_client import TestClient, get_logger_files_path5from panini import app as panini_app6testing_logs_directory_path = get_logger_files_path(7    "test_logger_logs", remove_if_exist=True8)9def run_panini():10    app = panini_app.App(11        service_name="test_logs",12        host="127.0.0.1",13        port=4222,14        logger_required=True,15        logger_in_separate_process=False,16    )17    log = app.logger18    @app.listen("test_logs.foo")19    async def subject_for_requests(msg):20        log.info(f"Got subject: {msg.subject}", message=msg.data)21        return {"success": True}22    @app.listen("test_logs.foo.*.bar")23    async def composite_subject_for_requests(msg):24        log.error(f"Got subject: {msg.subject}", message=msg.data)25        return {"success": True}26    app.start()27@pytest.fixture(scope="module")28def client():29    client = TestClient(run_panini, logger_files_path=testing_logs_directory_path)30    client.start()31    yield client32    client.stop()33def test_simple_log(client):34    response = client.request("test_logs.foo", {"data": 1})35    assert response["success"] is True36    with open(os.path.join(testing_logs_directory_path, "test_logs.log"), "r") as f:37        data = json.loads(f.read())38        assert data["name"] == "test_logs"39        assert data["levelname"] == "INFO"40        assert data["message"] == "Got subject: test_logs.foo"41        assert data["extra"]["message"]["data"] == 142def test_listen_composite_subject_with_response(client):43    subject = "test_logs.foo.some.bar"44    response = client.request(subject, {"data": 2})45    assert response["success"] is True46    with open(os.path.join(testing_logs_directory_path, "errors.log"), "r") as f:47        for last_line in f:48            pass49        data = json.loads(last_line)50        assert data["name"] == "test_logs"51        assert data["levelname"] == "ERROR"52        assert data["message"] == f"Got subject: {subject}"...

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