Add tests for setup.py inclusion

This tests that `setup.py` is included by default in the distribution
with the egg_info command and when an sdist is built with
build_meta.build_sdist

1 files changed, 15 insertions, 1 deletions

diff --git a/setuptools/tests/test_egg_info.py b/setuptools/tests/test_egg_info.py
index 46fb884f..f97b3f1d 100644
--- a/setuptools/tests/test_egg_info.py
+++ b/setuptools/tests/test_egg_info.py
@@ -569,6 +569,20 @@ class TestEggInfo:
         for msg in fixtures:
             assert manifest_maker._should_suppress_warning(msg)
 
+    def test_egg_info_includes_setup_py(self, tmpdir_cwd):
+        self._create_project()
+        dist = Distribution({"name": "foo", "version": "0.0.1"})
+        dist.script_name = "non_setup.py"
+        egg_info_instance = egg_info(dist)
+        egg_info_instance.finalize_options()
+        egg_info_instance.run()
+
+        assert 'setup.py' in egg_info_instance.filelist.files
+
+        with open(egg_info_instance.egg_info + "/SOURCES.txt") as f:
+            sources = f.read().split('\n')
+            assert 'setup.py' in sources
+
     def _run_egg_info_command(self, tmpdir_cwd, env, cmd=None, output=None):
         environ = os.environ.copy().update(
             HOME=env.paths['home'],
@@ -605,4 +619,4 @@ class TestEggInfo:
         assert 'Version: 0.0.0.dev0' in pkg_info_lines
 
     def test_get_pkg_info_revision_deprecated(self):
-        pytest.warns(EggInfoDeprecationWarning, get_pkg_info_revision)
\ No newline at end of file
+        pytest.warns(EggInfoDeprecationWarning, get_pkg_info_revision)