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Merge pull request #55 from martimunicoy/prints_to_logs
Logging integration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| """ | ||
| This module contains the tests to check some handy classes and functions | ||
| of offpele. | ||
| """ | ||
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| import pytest | ||
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| import io | ||
| from contextlib import redirect_stdout | ||
| from offpele.utils import Logger | ||
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| class TestLogger(object): | ||
| def test_logger_levels(self): | ||
| """ | ||
| It checks the correct behaviour of the different log levels. | ||
| """ | ||
| def push_messages(log): | ||
| """Pull some messages at different levels.""" | ||
| log.debug('Debug message') | ||
| log.info('Info message') | ||
| log.warning('Warn message') | ||
| log.error('Error message') | ||
| log.critical('Critical message') | ||
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| import logging | ||
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| # Initiate logger | ||
| log = Logger() | ||
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| # Try the default level (INFO) | ||
| # Catch logger messages to string buffer | ||
| with io.StringIO() as buf: | ||
| # Add custom handler to logger | ||
| log_handler = logging.StreamHandler(buf) | ||
| log._logger.handlers = list() | ||
| log._logger.addHandler(log_handler) | ||
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| # Push messages | ||
| push_messages(log) | ||
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| # Get string from buffer | ||
| output = buf.getvalue() | ||
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| assert output == 'Info message\nWarn message\n' \ | ||
| + 'Error message\nCritical message\n', \ | ||
| 'Unexpected logger message at standard output' | ||
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| # Try DEBUG level | ||
| # Catch logger messages to string buffer | ||
| with io.StringIO() as buf: | ||
| # Add custom handler to logger | ||
| log_handler = logging.StreamHandler(buf) | ||
| log._logger.handlers = list() | ||
| log._logger.addHandler(log_handler) | ||
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| # Try DEBUG level | ||
| log.set_level('DEBUG') | ||
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| # Push messages | ||
| push_messages(log) | ||
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| # Get string from buffer | ||
| output = buf.getvalue() | ||
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| assert output == 'Debug message\nInfo message\n'\ | ||
| + 'Warn message\nError message\nCritical message\n', \ | ||
| 'Unexpected logger message at standard output' | ||
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| # Try INFO level | ||
| # Catch logger messages to string buffer | ||
| with io.StringIO() as buf: | ||
| # Add custom handler to logger | ||
| log_handler = logging.StreamHandler(buf) | ||
| log._logger.handlers = list() | ||
| log._logger.addHandler(log_handler) | ||
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| # Try INFO level | ||
| log.set_level('INFO') | ||
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| # Push messages | ||
| push_messages(log) | ||
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| # Get string from buffer | ||
| output = buf.getvalue() | ||
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| assert output == 'Info message\nWarn message\n' \ | ||
| + 'Error message\nCritical message\n', \ | ||
| 'Unexpected logger message at standard output' | ||
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| # Try WARNING level | ||
| # Catch logger messages to string buffer | ||
| with io.StringIO() as buf: | ||
| # Add custom handler to logger | ||
| log_handler = logging.StreamHandler(buf) | ||
| log._logger.handlers = list() | ||
| log._logger.addHandler(log_handler) | ||
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| # Try WARNING level | ||
| log.set_level('WARNING') | ||
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| # Push messages | ||
| push_messages(log) | ||
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| # Get string from buffer | ||
| output = buf.getvalue() | ||
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| assert output == 'Warn message\nError message\n' \ | ||
| + 'Critical message\n', \ | ||
| 'Unexpected logger message at standard output' | ||
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| # Try ERROR level | ||
| # Catch logger messages to string buffer | ||
| with io.StringIO() as buf: | ||
| # Add custom handler to logger | ||
| log_handler = logging.StreamHandler(buf) | ||
| log._logger.handlers = list() | ||
| log._logger.addHandler(log_handler) | ||
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| # Try ERROR level | ||
| log.set_level('ERROR') | ||
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| # Push messages | ||
| push_messages(log) | ||
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| # Get string from buffer | ||
| output = buf.getvalue() | ||
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| assert output == 'Error message\nCritical message\n', \ | ||
| 'Unexpected logger message at standard output' | ||
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| # Try CRITICAL level | ||
| # Catch logger messages to string buffer | ||
| with io.StringIO() as buf: | ||
| # Add custom handler to logger | ||
| log_handler = logging.StreamHandler(buf) | ||
| log._logger.handlers = list() | ||
| log._logger.addHandler(log_handler) | ||
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| # Try CRITICAL level | ||
| log.set_level('CRITICAL') | ||
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| # Push messages | ||
| push_messages(log) | ||
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| # Get string from buffer | ||
| output = buf.getvalue() | ||
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| assert output == 'Critical message\n', \ | ||
| 'Unexpected logger message at standard output' |
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