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85 lines
3.0 KiB
Python
85 lines
3.0 KiB
Python
import random
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from unittest import mock
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import pytest
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from setuptools.command.build_clib import build_clib
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from setuptools.dist import Distribution
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from distutils.errors import DistutilsSetupError
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class TestBuildCLib:
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@mock.patch('setuptools.command.build_clib.newer_pairwise_group')
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def test_build_libraries(self, mock_newer):
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dist = Distribution()
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cmd = build_clib(dist)
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# this will be a long section, just making sure all
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# exceptions are properly raised
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libs = [('example', {'sources': 'broken.c'})]
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with pytest.raises(DistutilsSetupError):
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cmd.build_libraries(libs)
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obj_deps = 'some_string'
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libs = [('example', {'sources': ['source.c'], 'obj_deps': obj_deps})]
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with pytest.raises(DistutilsSetupError):
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cmd.build_libraries(libs)
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obj_deps = {'': ''}
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libs = [('example', {'sources': ['source.c'], 'obj_deps': obj_deps})]
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with pytest.raises(DistutilsSetupError):
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cmd.build_libraries(libs)
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obj_deps = {'source.c': ''}
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libs = [('example', {'sources': ['source.c'], 'obj_deps': obj_deps})]
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with pytest.raises(DistutilsSetupError):
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cmd.build_libraries(libs)
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# with that out of the way, let's see if the crude dependency
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# system works
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cmd.compiler = mock.MagicMock(spec=cmd.compiler)
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mock_newer.return_value = ([], [])
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obj_deps = {'': ('global.h',), 'example.c': ('example.h',)}
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libs = [('example', {'sources': ['example.c'], 'obj_deps': obj_deps})]
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cmd.build_libraries(libs)
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assert [['example.c', 'global.h', 'example.h']] in mock_newer.call_args[0]
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assert not cmd.compiler.compile.called
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assert cmd.compiler.create_static_lib.call_count == 1
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# reset the call numbers so we can test again
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cmd.compiler.reset_mock()
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mock_newer.return_value = '' # anything as long as it's not ([],[])
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cmd.build_libraries(libs)
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assert cmd.compiler.compile.call_count == 1
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assert cmd.compiler.create_static_lib.call_count == 1
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@mock.patch('setuptools.command.build_clib.newer_pairwise_group')
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def test_build_libraries_reproducible(self, mock_newer):
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dist = Distribution()
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cmd = build_clib(dist)
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# with that out of the way, let's see if the crude dependency
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# system works
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cmd.compiler = mock.MagicMock(spec=cmd.compiler)
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mock_newer.return_value = ([], [])
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original_sources = ['a-example.c', 'example.c']
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sources = original_sources
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obj_deps = {'': ('global.h',), 'example.c': ('example.h',)}
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libs = [('example', {'sources': sources, 'obj_deps': obj_deps})]
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cmd.build_libraries(libs)
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computed_call_args = mock_newer.call_args[0]
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while sources == original_sources:
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sources = random.sample(original_sources, len(original_sources))
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libs = [('example', {'sources': sources, 'obj_deps': obj_deps})]
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cmd.build_libraries(libs)
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assert computed_call_args == mock_newer.call_args[0]
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