From f2d288bb1e7eca9f9c99c08651889163214f5228 Mon Sep 17 00:00:00 2001
From: David Wilson <dw@botanicus.net>
Date: Thu, 1 Nov 2018 14:23:15 +0000
Subject: [PATCH] tests: ensure minify() result can be compiled for all of
 core.

---
 mitogen/kubectl.py                            |  1 -
 mitogen/parent.py                             |  1 +
 mitogen/service.py                            |  2 ++
 ...minimize_source_test.py => minify_test.py} | 22 ++++++++++++++++++-
 4 files changed, 24 insertions(+), 2 deletions(-)
 rename tests/{minimize_source_test.py => minify_test.py} (73%)

diff --git a/mitogen/kubectl.py b/mitogen/kubectl.py
index c2be24c1..681da3b1 100644
--- a/mitogen/kubectl.py
+++ b/mitogen/kubectl.py
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright 2018, Yannig Perré
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/mitogen/parent.py b/mitogen/parent.py
index 2f9b2079..a11b362e 100644
--- a/mitogen/parent.py
+++ b/mitogen/parent.py
@@ -618,6 +618,7 @@ class EofError(mitogen.core.StreamError):
     the child process.
     """
     # inherits from StreamError to maintain compatibility.
+    pass
 
 
 class Argv(object):
diff --git a/mitogen/service.py b/mitogen/service.py
index ffb7308e..dc90b67f 100644
--- a/mitogen/service.py
+++ b/mitogen/service.py
@@ -395,11 +395,13 @@ class Service(object):
         Called when a message arrives on any of :attr:`select`'s registered
         receivers.
         """
+        pass
 
     def on_shutdown(self):
         """
         Called by Pool.shutdown() once the last worker thread has exitted.
         """
+        pass
 
 
 class Pool(object):
diff --git a/tests/minimize_source_test.py b/tests/minify_test.py
similarity index 73%
rename from tests/minimize_source_test.py
rename to tests/minify_test.py
index b98cdebd..2bb335da 100644
--- a/tests/minimize_source_test.py
+++ b/tests/minify_test.py
@@ -1,3 +1,5 @@
+import glob
+
 import unittest2
 
 import mitogen.minify
@@ -12,7 +14,7 @@ def read_sample(fname):
     return sample
 
 
-class MinimizeSource(unittest2.TestCase):
+class MinimizeSourceTest(unittest2.TestCase):
     func = staticmethod(mitogen.minify.minimize_source)
 
     def test_class(self):
@@ -51,5 +53,23 @@ class MinimizeSource(unittest2.TestCase):
         self.assertEqual(expected, self.func(original))
 
 
+class MitogenCoreTest(unittest2.TestCase):
+    # Verify minimize_source() succeeds for all built-in modules.
+    func = staticmethod(mitogen.minify.minimize_source)
+
+    def read_source(self, name):
+        fp = open(name)
+        try:
+            return fp.read()
+        finally:
+            fp.close()
+
+    def test_minify_all(self):
+        for name in glob.glob('mitogen/*.py'):
+            original = self.read_source(name)
+            minified = self.func(original)
+            compile(minified, name, 'exec')
+
+
 if __name__ == '__main__':
     unittest2.main()