[bisect] - Have compare_samples check for missing "summary" tracename.

tracing/tracing/metrics/compare_samples_unittest.py

Index: tracing/tracing/metrics/compare_samples_unittest.py
diff --git a/tracing/tracing/metrics/compare_samples_unittest.py b/tracing/tracing/metrics/compare_samples_unittest.py
index 222637d6cde9786dff3d52e01334138f260af589..c1868ea72bd2e7401ccbdb9e495cad0b5ac55272 100644
--- a/tracing/tracing/metrics/compare_samples_unittest.py
+++ b/tracing/tracing/metrics/compare_samples_unittest.py
@@ -195,6 +195,28 @@ class CompareSamplesUnittest(unittest.TestCase):
         lower_values, higher_values, '/'.join(metric)).stdout)
     self.assertEqual(result['result']['significance'], FAIL_TO_REJECT)
 
+  def testCompareTIRLabel(self):
+    tir_metric = ('some_chart', 'some_label', 'some_trace')
+    tir_metric_name = ('%s@@%s' % (tir_metric[1], tir_metric[0]), tir_metric[2])
+    lower_values = ','.join([self.MakeChart(
+        metric=tir_metric_name, seed='lower', mu=10, sigma=1, n=10)])
+    higher_values = ','.join([self.MakeChart(
+        metric=tir_metric_name, seed='higher', mu=20, sigma=2, n=10)])
+    result = json.loads(compare_samples.CompareSamples(
+        lower_values, higher_values, '/'.join(tir_metric)).stdout)
+    self.assertEqual(result['result']['significance'], REJECT)
+
+  def testCompareTIRLabelMissingSummary(self):
+    tir_metric = ('some_chart', 'some_label')
+    tir_metric_name = ('%s@@%s' % (tir_metric[1], tir_metric[0]), 'summary')
+    lower_values = ','.join([self.MakeChart(
+        metric=tir_metric_name, seed='lower', mu=10, sigma=1, n=10)])
+    higher_values = ','.join([self.MakeChart(
+        metric=tir_metric_name, seed='higher', mu=20, sigma=2, n=10)])
+    result = json.loads(compare_samples.CompareSamples(
+        lower_values, higher_values, '/'.join(tir_metric)).stdout)
+    self.assertEqual(result['result']['significance'], REJECT)
+
   def testCompareInsufficientData(self):
     metric = ('some_chart', 'some_trace')
     lower_values = ','.join([self.MakeChart(metric=metric, seed='lower',