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"""Integration tests to ensure a mapped object's signature is unchanged.""" |
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3
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# pylint: disable=redefined-outer-name,unused-variable,expression-not-assigned |
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4
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5
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import pytest |
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6
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from expecter import expect |
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7
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8
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from yorm import decorators |
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9
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10
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11
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class SampleWithMagicMethods: |
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13
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def __init__(self): |
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self.values = [] |
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15
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16
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def __setattr__(self, name, value): |
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if name == 'foobar': |
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self.values.append(('__setattr__', name, value)) |
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super().__setattr__(name, value) |
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21
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22
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@pytest.yield_fixture |
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def mapped(): |
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import yorm |
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yorm.settings.fake = True |
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yield decorators.sync(SampleWithMagicMethods(), "sample.yml") |
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yorm.settings.fake = False |
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28
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29
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30
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@pytest.fixture |
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31
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def unmapped(): |
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32
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return SampleWithMagicMethods() |
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33
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34
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35
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def fuzzy_repr(obj): |
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36
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return repr(obj).split(" object at ")[0] + ">" |
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37
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38
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39
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def describe_mapped_object(): |
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40
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41
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def it_retains_representation(mapped, unmapped): |
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42
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expect(fuzzy_repr(mapped)) == fuzzy_repr(unmapped) |
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44
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def it_retains_docstring(mapped, unmapped): |
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expect(mapped.__doc__) == unmapped.__doc__ |
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46
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47
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def it_retains_class(mapped, unmapped): |
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48
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expect(mapped.__class__) == unmapped.__class__ |
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49
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50
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def it_retains_magic_methods(mapped): |
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setattr(mapped, 'foobar', 42) |
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52
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expect(mapped.values) == [('__setattr__', 'foobar', 42)] |
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53
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54
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def it_does_not_affect_unmapped_objects(mapped, unmapped): |
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expect(hasattr(mapped, '__mapper__')) is True |
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expect(hasattr(unmapped, '__mapper__')) is False |
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57
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expect(hasattr(mapped.__setattr__, '_modified_by_yorm')) is True |
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expect(hasattr(unmapped.__setattr__, '_modified_by_yorm')) is False |
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jacebrowning /
yorm
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