Password manager internals page service: introduction

components/password_manager/core/browser/log_router_unittest.cc

Index: components/password_manager/core/browser/log_router_unittest.cc
diff --git a/components/password_manager/core/browser/log_router_unittest.cc b/components/password_manager/core/browser/log_router_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b8909988c1378e83563e890ab565c86db2062d4a
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+++ b/components/password_manager/core/browser/log_router_unittest.cc
@@ -0,0 +1,96 @@
+// Copyright 2014 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/password_manager/core/browser/log_router.h"
+
+#include "components/password_manager/core/browser/password_manager_logger.h"
+#include "components/password_manager/core/browser/stub_password_manager_client.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using testing::_;
+
+namespace password_manager {
+
+namespace {
+
+const char kTestText[] = "abcd1234";
+
+class MockLogReceiver : public PasswordManagerLogger {
+ public:
+  MockLogReceiver() {}
+
+  MOCK_METHOD1(LogSavePasswordProgress, void(const std::string&));
+};
+
+}  // namespace
+
+class LogRouterTest : public testing::Test {
+ protected:
+  testing::StrictMock<MockLogReceiver> receiver_;
+  testing::StrictMock<MockLogReceiver> receiver2_;
+};
+
+TEST_F(LogRouterTest, ProcessLog_NoReceiver) {
+  LogRouter router;
+  EXPECT_EQ(std::string(), router.RegisterReceiver(&receiver_));
+  EXPECT_CALL(receiver_, LogSavePasswordProgress(kTestText)).Times(1);
+  router.ProcessLog(kTestText);
+  router.UnregisterReceiver(&receiver_);
+  // Without receivers, accumulated logs should not have been kept. That means
+  // that on the registration of the first receiver, none are returned.
+  EXPECT_EQ(std::string(), router.RegisterReceiver(&receiver_));
+  router.UnregisterReceiver(&receiver_);
+}
+
+TEST_F(LogRouterTest, ProcessLog_OneReceiver) {
+  LogRouter router;
+  EXPECT_EQ(std::string(), router.RegisterReceiver(&receiver_));
+  // Check that logs generated after activation are passed.
+  EXPECT_CALL(receiver_, LogSavePasswordProgress(kTestText)).Times(1);
+  router.ProcessLog(kTestText);
+  router.UnregisterReceiver(&receiver_);
+}
+
+TEST_F(LogRouterTest, ProcessLog_TwoReceiversAccumulatedLogsPassed) {
+  LogRouter router;
+  EXPECT_EQ(std::string(), router.RegisterReceiver(&receiver_));
+
+  // Log something with only the first receiver, to accumulate some logs.
+  EXPECT_CALL(receiver_, LogSavePasswordProgress(kTestText)).Times(1);
+  EXPECT_CALL(receiver2_, LogSavePasswordProgress(kTestText)).Times(0);
+  router.ProcessLog(kTestText);
+  // Accumulated logs get passed on registration.
+  EXPECT_EQ(kTestText, router.RegisterReceiver(&receiver2_));
+  router.UnregisterReceiver(&receiver_);
+  router.UnregisterReceiver(&receiver2_);
+}
+
+TEST_F(LogRouterTest, ProcessLog_TwoReceiversBothUpdated) {
+  LogRouter router;
+  EXPECT_EQ(std::string(), router.RegisterReceiver(&receiver_));
+  EXPECT_EQ(std::string(), router.RegisterReceiver(&receiver2_));
+
+  // Check that both receivers get log updates.
+  EXPECT_CALL(receiver_, LogSavePasswordProgress(kTestText)).Times(1);
+  EXPECT_CALL(receiver2_, LogSavePasswordProgress(kTestText)).Times(1);
+  router.ProcessLog(kTestText);
+  router.UnregisterReceiver(&receiver2_);
+  router.UnregisterReceiver(&receiver_);
+}
+
+TEST_F(LogRouterTest, ProcessLog_TwoReceiversNoUpdateAfterUnregistering) {
+  LogRouter router;
+  EXPECT_EQ(std::string(), router.RegisterReceiver(&receiver_));
+  EXPECT_EQ(std::string(), router.RegisterReceiver(&receiver2_));
+
+  // Check that no logs are passed to an unregistered receiver.
+  router.UnregisterReceiver(&receiver_);
+  EXPECT_CALL(receiver_, LogSavePasswordProgress(_)).Times(0);
+  EXPECT_CALL(receiver2_, LogSavePasswordProgress(kTestText)).Times(1);
+  router.ProcessLog(kTestText);
+  router.UnregisterReceiver(&receiver2_);
+}
+
+}  // namespace password_manager