[Autofill] Add upstreaming UKM

components/autofill/core/browser/autofill_ukm_unittest.cc

Index: components/autofill/core/browser/autofill_ukm_unittest.cc
diff --git a/components/autofill/core/browser/autofill_ukm_unittest.cc b/components/autofill/core/browser/autofill_ukm_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d044d570a8b279a8ebca4bbd5f00d2028eb22247
--- /dev/null
+++ b/components/autofill/core/browser/autofill_ukm_unittest.cc
@@ -0,0 +1,68 @@
+// Copyright 2017 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.
+
+#include "components/autofill/core/browser/autofill_ukm.h"
+
+#include <map>
+
+#include "components/autofill/core/browser/autofill_metrics.h"
+#include "components/ukm/test_ukm_service.h"
+#include "components/ukm/ukm_source.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+namespace autofill {
+
+// Tests that logging a UKM works as expected.
+TEST(AutofillUkmTest, RecordCardUploadDecisionMetric) {
+  ukm::UkmServiceTestingHarness ukm_service_test_harness;
+  GURL url("https://www.google.com");
+  std::map<std::string, int> metrics;
+  metrics.insert(std::make_pair("metric", 1));
+
+  EXPECT_TRUE(AutofillUkm::LogUkm(ukm_service_test_harness.test_ukm_service(),
+                                  url, "test_ukm", metrics));
+
+  ASSERT_EQ(1U, ukm_service_test_harness.test_ukm_service()->sources_count());
+  EXPECT_EQ(
+      url.spec(),
+      ukm_service_test_harness.test_ukm_service()->GetSource(0)->url().spec());
+}
+
+// Tests that no UKM is logged when the URL is not valid.
+TEST(AutofillUkmTest, RecordCardUploadDecisionMetric_InvalidUrl) {
+  ukm::UkmServiceTestingHarness ukm_service_test_harness;
+  GURL url("");
+  std::map<std::string, int> metrics;
+  metrics.insert(std::make_pair("metric", 1));
+
+  EXPECT_FALSE(AutofillUkm::LogUkm(ukm_service_test_harness.test_ukm_service(),
+                                   url, "test_ukm", metrics));
+  EXPECT_EQ(0U, ukm_service_test_harness.test_ukm_service()->sources_count());
+}
+
+// Tests that no UKM is logged when the metrics map is empty.
+TEST(AutofillUkmTest, RecordCardUploadDecisionMetric_NoMetrics) {
+  ukm::UkmServiceTestingHarness ukm_service_test_harness;
+  GURL url("https://www.google.com");
+  std::map<std::string, int> metrics;
+
+  EXPECT_FALSE(AutofillUkm::LogUkm(ukm_service_test_harness.test_ukm_service(),
+                                   url, "test_ukm", metrics));
+  EXPECT_EQ(0U, ukm_service_test_harness.test_ukm_service()->sources_count());
+}
+
+// Tests that no UKM is logged when the ukm service is null.
+TEST(AutofillUkmTest, RecordCardUploadDecisionMetric_NoUkmService) {
+  ;
+  ukm::UkmServiceTestingHarness ukm_service_test_harness;
+  GURL url("https://www.google.com");
+  std::map<std::string, int> metrics;
+  metrics.insert(std::make_pair("metric", 1));
+
+  EXPECT_FALSE(AutofillUkm::LogUkm(nullptr, url, "test_ukm", metrics));
+  ASSERT_EQ(0U, ukm_service_test_harness.test_ukm_service()->sources_count());
+}
+
+}  // namespace autofill