From feace5409f3cd3b0abe7f7c829e1f9811684afc1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sybren=20A=2E=20St=C3=BCvel?= <sybren@stuvel.eu>
Date: Wed, 21 Nov 2018 11:32:11 +0100
Subject: [PATCH] Added MyPy runner to unit tests

---
 setup.cfg          |  1 +
 tests/test_mypy.py | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 tests/test_mypy.py

diff --git a/setup.cfg b/setup.cfg
index dde7961..41e185c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,6 +6,7 @@ python_version = 3.7
 warn_unused_ignores = True
 ignore_missing_imports = True
 follow_imports = skip
+incremental = True
 
 [pep8]
 max-line-length = 100
diff --git a/tests/test_mypy.py b/tests/test_mypy.py
new file mode 100644
index 0000000..969fbbb
--- /dev/null
+++ b/tests/test_mypy.py
@@ -0,0 +1,27 @@
+import pathlib
+import unittest
+
+import mypy.api
+
+test_modules = ['flamenco_worker', 'tests']
+
+
+class MypyRunnerTest(unittest.TestCase):
+    def test_run_mypy(self):
+        proj_root = pathlib.Path(__file__).parent.parent
+        args = ['--incremental', '--ignore-missing-imports'] + [str(proj_root / dirname) for dirname
+                                                                in test_modules]
+
+        result = mypy.api.run(args)
+
+        stdout, stderr, status = result
+
+        messages = []
+        if stderr:
+            messages.append(stderr)
+        if stdout:
+            messages.append(stdout)
+        if status:
+            messages.append('Mypy failed with status %d' % status)
+        if messages:
+            self.fail('\n'.join(['Mypy errors:'] + messages))