initial import of the packaging package in the standard library

Lib/packaging/tests/test_command_build_clib.py

@@ -0,0 +1,141 @@
+"""Tests for distutils.command.build_clib."""
+import os
+import sys
+
+from packaging.util import find_executable
+from packaging.command.build_clib import build_clib
+from packaging.errors import PackagingSetupError
+from packaging.tests import unittest, support
+
+
+class BuildCLibTestCase(support.TempdirManager,
+                        support.LoggingCatcher,
+                        unittest.TestCase):
+
+    def test_check_library_dist(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        # 'libraries' option must be a list
+        self.assertRaises(PackagingSetupError, cmd.check_library_list, 'foo')
+
+        # each element of 'libraries' must a 2-tuple
+        self.assertRaises(PackagingSetupError, cmd.check_library_list,
+                          ['foo1', 'foo2'])
+
+        # first element of each tuple in 'libraries'
+        # must be a string (the library name)
+        self.assertRaises(PackagingSetupError, cmd.check_library_list,
+                          [(1, 'foo1'), ('name', 'foo2')])
+
+        # library name may not contain directory separators
+        self.assertRaises(PackagingSetupError, cmd.check_library_list,
+                          [('name', 'foo1'),
+                           ('another/name', 'foo2')])
+
+        # second element of each tuple must be a dictionary (build info)
+        self.assertRaises(PackagingSetupError, cmd.check_library_list,
+                          [('name', {}),
+                           ('another', 'foo2')])
+
+        # those work
+        libs = [('name', {}), ('name', {'ok': 'good'})]
+        cmd.check_library_list(libs)
+
+    def test_get_source_files(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        # "in 'libraries' option 'sources' must be present and must be
+        # a list of source filenames
+        cmd.libraries = [('name', {})]
+        self.assertRaises(PackagingSetupError, cmd.get_source_files)
+
+        cmd.libraries = [('name', {'sources': 1})]
+        self.assertRaises(PackagingSetupError, cmd.get_source_files)
+
+        cmd.libraries = [('name', {'sources': ['a', 'b']})]
+        self.assertEqual(cmd.get_source_files(), ['a', 'b'])
+
+        cmd.libraries = [('name', {'sources': ('a', 'b')})]
+        self.assertEqual(cmd.get_source_files(), ['a', 'b'])
+
+        cmd.libraries = [('name', {'sources': ('a', 'b')}),
+                         ('name2', {'sources': ['c', 'd']})]
+        self.assertEqual(cmd.get_source_files(), ['a', 'b', 'c', 'd'])
+
+    def test_build_libraries(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        class FakeCompiler:
+            def compile(*args, **kw):
+                pass
+            create_static_lib = compile
+
+        cmd.compiler = FakeCompiler()
+
+        # build_libraries is also doing a bit of type checking
+        lib = [('name', {'sources': 'notvalid'})]
+        self.assertRaises(PackagingSetupError, cmd.build_libraries, lib)
+
+        lib = [('name', {'sources': []})]
+        cmd.build_libraries(lib)
+
+        lib = [('name', {'sources': ()})]
+        cmd.build_libraries(lib)
+
+    def test_finalize_options(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        cmd.include_dirs = 'one-dir'
+        cmd.finalize_options()
+        self.assertEqual(cmd.include_dirs, ['one-dir'])
+
+        cmd.include_dirs = None
+        cmd.finalize_options()
+        self.assertEqual(cmd.include_dirs, [])
+
+        cmd.distribution.libraries = 'WONTWORK'
+        self.assertRaises(PackagingSetupError, cmd.finalize_options)
+
+    @unittest.skipIf(sys.platform == 'win32', 'disabled on win32')
+    def test_run(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        foo_c = os.path.join(pkg_dir, 'foo.c')
+        self.write_file(foo_c, 'int main(void) { return 1;}\n')
+        cmd.libraries = [('foo', {'sources': [foo_c]})]
+
+        build_temp = os.path.join(pkg_dir, 'build')
+        os.mkdir(build_temp)
+        cmd.build_temp = build_temp
+        cmd.build_clib = build_temp
+
+        # before we run the command, we want to make sure
+        # all commands are present on the system
+        # by creating a compiler and checking its executables
+        from packaging.compiler import new_compiler, customize_compiler
+
+        compiler = new_compiler()
+        customize_compiler(compiler)
+        for ccmd in compiler.executables.values():
+            if ccmd is None:
+                continue
+            if find_executable(ccmd[0]) is None:
+                raise unittest.SkipTest("can't test")
+
+        # this should work
+        cmd.run()
+
+        # let's check the result
+        self.assertIn('libfoo.a', os.listdir(build_temp))
+
+
+def test_suite():
+    return unittest.makeSuite(BuildCLibTestCase)
+
+if __name__ == "__main__":
+    unittest.main(defaultTest="test_suite")