Waterfall components of regression range finder.

appengine/findit/waterfall/test/process_base_swarming_task_result_pipeline_test.py

+import datetime
+
+from waterfall.test import wf_testcase
+from waterfall.process_base_swarming_task_result_pipeline import (
+    ProcessBaseSwarmingTaskResultPipeline)
+
+class ProcessBaseSwarmingTaskResultPipelineTest(wf_testcase.WaterfallTestCase):
+  def setUp(self):
+    super(ProcessBaseSwarmingTaskResultPipelineTest, self).setUp()
+    self.pipeline = ProcessBaseSwarmingTaskResultPipeline()
+    self.master_name = 'm'
+    self.builder_name = 'b'
+    self.build_number = 121
+    self.step_name = 'abc_tests on platform'
+    self.test_name = 'test'
+
+  def testConvertDateTime(self):
+    fmt = '%Y-%m-%dT%H:%M:%S.%f'
+    time_string = '2016-02-10T18:32:06.538220'
+    test_time = self.pipeline._ConvertDateTime(time_string)
+    time = datetime.datetime.strptime(time_string, fmt)
+    self.assertEqual(test_time, time)
+
+  def testConvertDateTimeNone(self):
+    time_string = ''
+    test_time = self.pipeline._ConvertDateTime(time_string)
+    self.assertIsNone(test_time)
+
+  def testConvertDateTimefailure(self):
+    with self.assertRaises(ValueError):
+      self.pipeline._ConvertDateTime('abc')