Unit tests for installing licenses from setup.cfg (pypa#357)

Co-Authored-By: Poyzan Nur Taneli <[email protected]>

setuptools/tests/test_egg_info.py

@@ -486,6 +486,98 @@ def test_doesnt_provides_extra(self, tmpdir_cwd, env):
             pkg_info_text = pkginfo_file.read()
         assert 'Provides-Extra:' not in pkg_info_text
 
+    def test_setup_cfg_with_license(self, tmpdir_cwd, env):
+        self._create_project()
+        build_files({
+            'setup.cfg': DALS("""
+                              [metadata]
+                              license_file = LICENSE
+                              """),
+            'LICENSE': DALS("Test license")
+        })
+        environ = os.environ.copy().update(
+            HOME=env.paths['home'],
+        )
+        environment.run_setup_py(
+            cmd=['egg_info'],
+            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
+            data_stream=1,
+            env=environ,
+        )
+        egg_info_dir = os.path.join('.', 'foo.egg-info')
+        with open(os.path.join(egg_info_dir, 'SOURCES.txt')) as sources_file:
+            sources_text = sources_file.read()
+        assert 'LICENSE' in sources_text
+
+    def test_setup_cfg_with_invalid_license(self, tmpdir_cwd, env):
+        self._create_project()
+        build_files({
+            'setup.cfg': DALS("""
+                              [metadata]
+                              license_file = INVALID_LICENSE
+                              """),
+            'LICENSE': DALS("Test license")
+        })
+        environ = os.environ.copy().update(
+            HOME=env.paths['home'],
+        )
+        environment.run_setup_py(
+            cmd=['egg_info'],
+            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
+            data_stream=1,
+            env=environ,
+        )
+        egg_info_dir = os.path.join('.', 'foo.egg-info')
+        with open(os.path.join(egg_info_dir, 'SOURCES.txt')) as sources_file:
+            sources_text = sources_file.read()
+        assert 'LICENSE' not in sources_text
+        assert 'INVALID_LICENSE' not in sources_text
+
+    def test_setup_cfg_with_no_license(self, tmpdir_cwd, env):
+        self._create_project()
+        build_files({
+            'setup.cfg': DALS("""
+                              """),
+            'LICENSE': DALS("Test license")
+        })
+        environ = os.environ.copy().update(
+            HOME=env.paths['home'],
+        )
+        environment.run_setup_py(
+            cmd=['egg_info'],
+            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
+            data_stream=1,
+            env=environ,
+        )
+        egg_info_dir = os.path.join('.', 'foo.egg-info')
+        with open(os.path.join(egg_info_dir, 'SOURCES.txt')) as sources_file:
+            sources_text = sources_file.read()
+        assert 'LICENSE' not in sources_text
+
+    def test_setup_cfg_with_license_excluded(self, tmpdir_cwd, env):
+        self._create_project()
+        build_files({
+            'setup.cfg': DALS("""
+                              [metadata]
+                              license_file = LICENSE
+                              """),
+            'MANIFEST.in': DALS("exclude LICENSE"),
+            'LICENSE': DALS("Test license")
+        })
+        environ = os.environ.copy().update(
+            HOME=env.paths['home'],
+        )
+        environment.run_setup_py(
+            cmd=['egg_info'],
+            pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
+            data_stream=1,
+            env=environ,
+        )
+        egg_info_dir = os.path.join('.', 'foo.egg-info')
+        with open(os.path.join(egg_info_dir, 'SOURCES.txt')) as sources_file:
+            sources_text = sources_file.read()
+        assert 'LICENSE' not in sources_text
+
     def test_long_description_content_type(self, tmpdir_cwd, env):
         # Test that specifying a `long_description_content_type` keyword arg to
         # the `setup` function results in writing a `Description-Content-Type`