Add pretty printing for rappor.xml

tools/metrics/rappor/pretty_print_test.py

+#!/usr/bin/env python
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import unittest
+
+import pretty_print
+
+
+PRETTY_XML = """
+<!-- Comment1 -->
+
+<rappor-configuration>
+<!-- Comment2 -->
+
+<rappor-parameter-types>
+<!-- Comment3 -->
+
+<rappor-parameters name="TEST_RAPPOR_TYPE">
+  <summary>
+    Fake type for tests.
+  </summary>
+  <parameters num-cohorts="128" bytes="1" hash-functions="2" fake-prob="0.5"
+      fake-one-prob="0.5" one-coin-prob="0.75" zero-coin-prob="0.25"
+      reporting-level="COARSE"/>
+</rappor-parameters>
+
+</rappor-parameter-types>
+
+<rappor-metrics>
+<!-- Comment4 -->
+
+<rappor-metric name="Test.Rappor.Metric" type="TEST_RAPPOR_TYPE">
+  <owner>user1@chromium.org</owner>
+  <owner>user2@chromium.org</owner>
+  <summary>
+    A fake metric summary.
+  </summary>
+</rappor-metric>
+
+</rappor-metrics>
+
+</rappor-configuration>
+""".strip()
+
+BASIC_METRIC = {
+  'comments': [],
+  'name': 'Test.Rappor.Metric',
+  'type': 'TEST_RAPPOR_TYPE',
+  'owners': ['user1@chromium.org', 'user2@chromium.org'],
+  'summary': 'A fake metric summary.',
+}
+
+
+class ActionXmlTest(unittest.TestCase):
+
+  def testIsPretty(self):
+    result = pretty_print.UpdateXML(PRETTY_XML)
+    self.assertEqual(PRETTY_XML, result)
+
+  def testParsing(self):
+    comments, config = pretty_print.RAPPOR_XML_TYPE.Parse(PRETTY_XML)
+    self.assertEqual(BASIC_METRIC, config['metrics']['metrics'][0])
+    self.assertEqual(set(['TEST_RAPPOR_TYPE']),
+                     pretty_print.GetTypeNames(config))
+
+  def testMissingOwners(self):
+    self.assertFalse(pretty_print.HasMissingOwners([BASIC_METRIC]))
+    no_owners = BASIC_METRIC.copy()
+    no_owners['owners'] = []
+    self.assertTrue(pretty_print.HasMissingOwners([no_owners]))
+
+  def testInvalidTypes(self):
+    self.assertFalse(pretty_print.HasInvalidTypes(
+        set(['TEST_RAPPOR_TYPE']), [BASIC_METRIC]))
+    self.assertTrue(pretty_print.HasInvalidTypes(
+        set(['OTHER_TYPE']), [BASIC_METRIC]))
+
+
+if __name__ == '__main__':
+  unittest.main()