Add test cases for version module

test/unittests/version/test_version.py

@@ -0,0 +1,52 @@
+import unittest
+import mock
+
+import mycroft.version
+
+
+VERSION_INFO = """
+{
+    "coreVersion": "1505203453",
+    "enclosureVersion": "1.0.0"
+}"""
+
+
+class TestVersion(unittest.TestCase):
+    @mock.patch('mycroft.version.CORE_VERSION_MAJOR', 0)
+    @mock.patch('mycroft.version.CORE_VERSION_MINOR', 8)
+    @mock.patch('mycroft.version.CORE_VERSION_BUILD', 20)
+    def test_get_version(self):
+        """
+            Tests for mycroft.version.get_version()
+
+            Assures that only lower versions return True
+        """
+        self.assertTrue(mycroft.version.check_version('0.0.1'))
+        self.assertTrue(mycroft.version.check_version('0.8.1'))
+        self.assertTrue(mycroft.version.check_version('0.8.20'))
+        self.assertFalse(mycroft.version.check_version('0.8.22'))
+        self.assertFalse(mycroft.version.check_version('0.9.12'))
+        self.assertFalse(mycroft.version.check_version('1.0.2'))
+
+    @mock.patch('mycroft.version.isfile')
+    @mock.patch('mycroft.version.exists')
+    @mock.patch('mycroft.version.open',
+                mock.mock_open(read_data=VERSION_INFO), create=True)
+    def test_version_manager(self, mock_exists, mock_isfile):
+        """
+            Test mycroft.version.VersionManager.get()
+
+            asserts that the method returns expected data
+        """
+        mock_isfile.return_value = True
+        mock_exists.return_value = True
+
+        version = mycroft.version.VersionManager.get()
+        self.assertEquals(version['coreVersion'], "1505203453")
+        self.assertEquals(version['enclosureVersion'], "1.0.0")
+
+        # Check file not existing case
+        mock_exists.return_value = False
+        version = mycroft.version.VersionManager.get()
+        self.assertEquals(version['coreVersion'], None)
+        self.assertEquals(version['enclosureVersion'], None)