add unit test for _write_maven_repo_metadata() function in kojihub

tests/test_hub/test_write_maven_repo_metadata.py

@@ -0,0 +1,63 @@
+from __future__ import absolute_import
+from __future__ import print_function
+import unittest
+import mock
+import os
+import datetime
+
+import koji
+from kojihub import _write_maven_repo_metadata
+
+class TestWriteMavenRepoMetadata(unittest.TestCase):
+
+    # Show long diffs in error output...
+    maxDiff = None
+
+    @mock.patch('kojihub._generate_maven_metadata')
+    def test_write_maven_repo_metadata(self, gendata_mock):
+        destdir = '/tmp'
+        artifacts = set()
+
+        # group_id, artifact_id, version
+        artifacts.add(('0', '1', '1.2'))
+        artifacts.add(('0', '1', '1.3'))
+        artifacts.add(('0', '1', '1.1'))
+        artifacts.add(('0', '1', '1.3.1'))
+        artifacts.add(('0', '1', '1.3.15'))
+        artifacts.add(('0', '1', '1.3.3'))
+        artifacts.add(('0', '1', '1.3.6'))
+        artifacts.add(('0', '1', '1.3.11'))
+
+        now = datetime.datetime.now()
+        with mock.patch('kojihub.open', create=True) as openf_mock, \
+                mock.patch('datetime.datetime') as datetime_mock:
+            datetime_mock.now.return_value = now
+            _write_maven_repo_metadata(destdir, artifacts)
+
+        openf_mock.assert_called_with(
+            os.path.join(destdir, 'maven-metadata.xml'), 'w')
+
+        handle = openf_mock()
+        expected = """\
+<?xml version="1.0"?>
+<metadata>
+  <groupId>0</groupId>
+  <artifactId>1</artifactId>
+  <versioning>
+    <latest>1.3.15</latest>
+    <release>1.3.15</release>
+    <versions>
+      <version>1.1</version>
+      <version>1.2</version>
+      <version>1.3</version>
+      <version>1.3.1</version>
+      <version>1.3.3</version>
+      <version>1.3.6</version>
+      <version>1.3.11</version>
+      <version>1.3.15</version>
+    </versions>
+    <lastUpdated>%s</lastUpdated>
+  </versioning>
+</metadata>
+""" % now.strftime('%Y%m%d%H%M%S')
+        handle.write.assert_called_with(expected)