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