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53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
from difflib import unified_diff
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import os
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import sys
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from conf import hook
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from exc.test_failed import TestFailed
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""" Post-Test Hook: ExpectedFiles
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This is a Post-Test hook that checks the test directory for the files it
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contains. A dictionary object is passed to it, which contains a mapping of
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filenames and contents of all the files that the directory is expected to
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contain.
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Raises a TestFailed exception if the expected files are not found or if extra
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files are found, else returns gracefully.
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"""
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@hook()
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class ExpectedFiles:
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def __init__(self, expected_fs):
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self.expected_fs = expected_fs
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@staticmethod
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def gen_local_fs_snapshot():
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snapshot = {}
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for parent, dirs, files in os.walk('.'):
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for name in files:
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f = {'content': ''}
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file_path = os.path.join(parent, name)
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with open(file_path) as fp:
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f['content'] = fp.read()
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snapshot[file_path[2:]] = f
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return snapshot
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def __call__(self, test_obj):
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local_fs = self.gen_local_fs_snapshot()
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for file in self.expected_fs:
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if file.name in local_fs:
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local_file = local_fs.pop(file.name)
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formatted_content = test_obj._replace_substring(file.content)
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if formatted_content != local_file['content']:
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for line in unified_diff(local_file['content'],
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formatted_content,
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fromfile='Actual',
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tofile='Expected'):
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print(line, file=sys.stderr)
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raise TestFailed('Contents of %s do not match' % file.name)
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else:
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raise TestFailed('Expected file %s not found.' % file.name)
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if local_fs:
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print(local_fs)
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raise TestFailed('Extra files downloaded.')
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