Merge lp:~mvo/snapcraft/demo-plugin-test into lp:~xubuntu-dev/snapcraft/demo

[Michael Vogt]

Add an initial test for the plugins

[Michael Terry (mterry)]

I rebased this on trunk and committed. Thanks!

review: Approve

=== modified file 'run-checks.sh'
--- run-checks.sh	2015-06-30 14:52:41 +0000
+++ run-checks.sh	2015-06-30 14:52:41 +0000
@@ -13,5 +13,7 @@
     exit 1
 fi
 
+python3 -m unittest
+
 pyflakes3 $PY
 pep8 $PY

=== added directory 'snapcraft/tests'
=== added file 'snapcraft/tests/__init__.py'
=== added file 'snapcraft/tests/test_plugins.py'
--- snapcraft/tests/test_plugins.py	1970-01-01 00:00:00 +0000
+++ snapcraft/tests/test_plugins.py	2015-06-30 14:52:41 +0000
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+
+import os
+import tempfile
+import unittest
+from unittest.mock import Mock
+
+from snapcraft.plugin import Plugin
+
+
+class TestPlugin(unittest.TestCase):
+
+    def test_is_dirty(self):
+        p = Plugin("", "mock", "mock-part", {})
+        p.statefile = tempfile.NamedTemporaryFile().name
+        self.addCleanup(os.remove, p.statefile)
+        p.partNames = ["mock-part"]
+        p.code = Mock()
+        # pull once
+        p.pull()
+        p.code.pull.assert_called()
+        # pull again, not dirty no need to pull
+        p.code.pull.reset_mock()
+        p.pull()
+        self.assertFalse(p.code.pull.called)