Add tests capturing failure of depends.get_module_constant on Python 3.6. Ref #866.

2 files changed, 17 insertions, 0 deletions

diff --git a/setuptools/tests/mod_with_constant.py b/setuptools/tests/mod_with_constant.py
new file mode 100644
index 00000000..ef755dd1
--- /dev/null
+++ b/setuptools/tests/mod_with_constant.py
@@ -0,0 +1 @@
+value = 'three, sir!'
diff --git a/setuptools/tests/test_depends.py b/setuptools/tests/test_depends.py
new file mode 100644
index 00000000..e0cfa880
--- /dev/null
+++ b/setuptools/tests/test_depends.py
@@ -0,0 +1,16 @@
+import sys
+
+from setuptools import depends
+
+
+class TestGetModuleConstant:
+
+	def test_basic(self):
+		"""
+		Invoke get_module_constant on a module in
+		the test package.
+		"""
+		mod_name = 'setuptools.tests.mod_with_constant'
+		val = depends.get_module_constant(mod_name, 'value')
+		assert val == 'three, sir!'
+		assert 'setuptools.tests.mod_with_constant' not in sys.modules