Add tests for log writer

tests/common.py

@@ -39,7 +39,7 @@ log_segments = [
     '[FullVersion] - 1969-07-20 [TAG1] [TAG2]\n-----',  # 14
     '## Long Version Name',  # 15
 
-    '[FullVersion]: http://endless.horse\n[id]: http://www.koalastothemax.com'
+    '[fullVersion]: http://endless.horse\n[id]: http://www.koalastothemax.com'
 ]
 
 log_text = '\n\n'.join(log_segments)

tests/test_changelog.py

@@ -33,9 +33,41 @@ class TestParser(unittest.TestCase):
             self.assertEqual(log.versions[i].date, self.log.versions[i].date)
             self.assertEqual(log.versions[i].tags, self.log.versions[i].tags)
 
-    def test_Entries(self):
+    def test_entries(self):
         self.assertEqual(log.versions[0].sections, self.log.versions[0].sections)
 
 
+class TestWriter(unittest.TestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        with tempfile.TemporaryDirectory() as td:
+            cls.path = os.path.join(td, 'changelog.md')
+            log.write(cls.path)
+            with open(cls.path) as fd:
+                cls.log_text = fd.read()
+                cls.log_segments = [line for line in cls.log_text.split('\n\n') if line]
+
+    def test_header(self):
+        self.assertEqual(log_segments[0:2], self.log_segments[0:2])
+
+    def test_links(self):
+        self.assertEqual(
+            {'[fullversion]: http://endless.horse', '[id]: http://www.koalastothemax.com'},
+            set(self.log_segments[16:18]))
+
+    def test_versions(self):
+        self.assertEqual('## [Tests]', self.log_segments[2])
+        self.assertEqual('## [FullVersion] - 1969-07-20 [TAG1] [TAG2]', self.log_segments[14])
+        self.assertEqual('## Long Version Name', self.log_segments[15])
+
+    def test_entries(self):
+        self.assertEqual(log_segments[3], self.log_segments[3])
+        self.assertEqual('### Bullet Points', self.log_segments[4])
+        self.assertEqual(log_segments[5], self.log_segments[5])
+        self.assertEqual('### Blocks', self.log_segments[6])
+        self.assertEqual(log_segments[7:14], self.log_segments[7:14])
+
+
 if __name__ == '__main__':
     unittest.main()