Aluode/PerceptionLabPortable

1import random2from unittest import mock3 4import pytest5 6from setuptools.command.build_clib import build_clib7from setuptools.dist import Distribution8 9from distutils.errors import DistutilsSetupError10 11 12class TestBuildCLib:13    @mock.patch('setuptools.command.build_clib.newer_pairwise_group')14    def test_build_libraries(self, mock_newer):15        dist = Distribution()16        cmd = build_clib(dist)17 18        # this will be a long section, just making sure all19        # exceptions are properly raised20        libs = [('example', {'sources': 'broken.c'})]21        with pytest.raises(DistutilsSetupError):22            cmd.build_libraries(libs)23 24        obj_deps = 'some_string'25        libs = [('example', {'sources': ['source.c'], 'obj_deps': obj_deps})]26        with pytest.raises(DistutilsSetupError):27            cmd.build_libraries(libs)28 29        obj_deps = {'': ''}30        libs = [('example', {'sources': ['source.c'], 'obj_deps': obj_deps})]31        with pytest.raises(DistutilsSetupError):32            cmd.build_libraries(libs)33 34        obj_deps = {'source.c': ''}35        libs = [('example', {'sources': ['source.c'], 'obj_deps': obj_deps})]36        with pytest.raises(DistutilsSetupError):37            cmd.build_libraries(libs)38 39        # with that out of the way, let's see if the crude dependency40        # system works41        cmd.compiler = mock.MagicMock(spec=cmd.compiler)42        mock_newer.return_value = ([], [])43 44        obj_deps = {'': ('global.h',), 'example.c': ('example.h',)}45        libs = [('example', {'sources': ['example.c'], 'obj_deps': obj_deps})]46 47        cmd.build_libraries(libs)48        assert [['example.c', 'global.h', 'example.h']] in mock_newer.call_args[0]49        assert not cmd.compiler.compile.called50        assert cmd.compiler.create_static_lib.call_count == 151 52        # reset the call numbers so we can test again53        cmd.compiler.reset_mock()54 55        mock_newer.return_value = ''  # anything as long as it's not ([],[])56        cmd.build_libraries(libs)57        assert cmd.compiler.compile.call_count == 158        assert cmd.compiler.create_static_lib.call_count == 159 60    @mock.patch('setuptools.command.build_clib.newer_pairwise_group')61    def test_build_libraries_reproducible(self, mock_newer):62        dist = Distribution()63        cmd = build_clib(dist)64 65        # with that out of the way, let's see if the crude dependency66        # system works67        cmd.compiler = mock.MagicMock(spec=cmd.compiler)68        mock_newer.return_value = ([], [])69 70        original_sources = ['a-example.c', 'example.c']71        sources = original_sources72 73        obj_deps = {'': ('global.h',), 'example.c': ('example.h',)}74        libs = [('example', {'sources': sources, 'obj_deps': obj_deps})]75 76        cmd.build_libraries(libs)77        computed_call_args = mock_newer.call_args[0]78 79        while sources == original_sources:80            sources = random.sample(original_sources, len(original_sources))81        libs = [('example', {'sources': sources, 'obj_deps': obj_deps})]82 83        cmd.build_libraries(libs)84        assert computed_call_args == mock_newer.call_args[0]85