Add new API function: feedbackPrivate.readLogSource

chrome/browser/extensions/api/feedback_private/log_source_access_manager_unittest.cc

+// 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 "chrome/browser/extensions/api/feedback_private/log_source_access_manager.h"
+
+#include <string>
+#include <utility>
+
+#include "base/macros.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace extensions {
+
+namespace {
+
+using extensions::api::feedback_private::LOG_SOURCE_MESSAGES;
+using extensions::api::feedback_private::LOG_SOURCE_UI_LATEST;
+using SourceAndExtension = LogSourceAccessManager::SourceAndExtension;
+
+}  // namespace
+
+TEST(LogSourceAccessManagerTest, Empty) {
+  LogSourceAccessManager manager((base::TimeDelta()));
+
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_TRUE(manager
+                  .GetLastExtensionAccessTime(
+                      SourceAndExtension(LOG_SOURCE_UI_LATEST, ""))
+                  .is_null());
+}
+
+TEST(LogSourceAccessManagerTest, OneSourceOneExtension) {
+  LogSourceAccessManager manager((base::TimeDelta()));
+
+  const SourceAndExtension key(LOG_SOURCE_MESSAGES, "aaaa");
+
+  EXPECT_TRUE(manager.AddExtension(key));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_FALSE(manager.AddExtension(key));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+
+  EXPECT_TRUE(manager.RemoveExtension(key));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_FALSE(manager.RemoveExtension(key));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+}
+
+TEST(LogSourceAccessManagerTest, OneSourceMultipleExtensions) {
+  LogSourceAccessManager manager((base::TimeDelta()));
+
+  const SourceAndExtension key_a(LOG_SOURCE_MESSAGES, "aaaa");
+  const SourceAndExtension key_b(LOG_SOURCE_MESSAGES, "bbbb");
+  const SourceAndExtension key_c(LOG_SOURCE_MESSAGES, "cccc");
+  const SourceAndExtension key_d(LOG_SOURCE_MESSAGES, "dddd");
+
+  // Add extensions "aaaa", "bbbb", and "cccc".
+  EXPECT_TRUE(manager.AddExtension(key_a));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_FALSE(manager.AddExtension(key_a));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+
+  EXPECT_TRUE(manager.AddExtension(key_b));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_FALSE(manager.AddExtension(key_b));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+
+  EXPECT_TRUE(manager.AddExtension(key_c));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_FALSE(manager.AddExtension(key_c));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+
+  // Remove extensions "bbbb" and "aaaa".
+  EXPECT_TRUE(manager.RemoveExtension(key_b));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_FALSE(manager.RemoveExtension(key_b));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+
+  EXPECT_TRUE(manager.RemoveExtension(key_a));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_FALSE(manager.RemoveExtension(key_a));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+
+  // Add extension "dddd".
+  EXPECT_TRUE(manager.AddExtension(key_d));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_FALSE(manager.AddExtension(key_d));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+
+  // Remove extensions "cccc" and "dddd".
+  EXPECT_TRUE(manager.RemoveExtension(key_c));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_FALSE(manager.RemoveExtension(key_c));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+
+  EXPECT_TRUE(manager.RemoveExtension(key_d));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_FALSE(manager.RemoveExtension(key_d));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+}
+
+TEST(LogSourceAccessManagerTest, MultipleSourcesMultipleExtensions) {
+  LogSourceAccessManager manager((base::TimeDelta()));
+
+  const SourceAndExtension key_a0(LOG_SOURCE_MESSAGES, "aaaa");
+  const SourceAndExtension key_a1(LOG_SOURCE_UI_LATEST, "aaaa");
+  const SourceAndExtension key_b0(LOG_SOURCE_MESSAGES, "bbbb");
+  const SourceAndExtension key_b1(LOG_SOURCE_UI_LATEST, "bbbb");
+  const SourceAndExtension key_c0(LOG_SOURCE_MESSAGES, "cccc");
+  const SourceAndExtension key_c1(LOG_SOURCE_UI_LATEST, "cccc");
+
+  // Add the above entries.
+  EXPECT_TRUE(manager.AddExtension(key_a0));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_TRUE(manager.AddExtension(key_a1));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_FALSE(manager.AddExtension(key_a0));
+  EXPECT_FALSE(manager.AddExtension(key_a1));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+
+  EXPECT_TRUE(manager.AddExtension(key_b0));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_TRUE(manager.AddExtension(key_b1));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_FALSE(manager.AddExtension(key_b0));
+  EXPECT_FALSE(manager.AddExtension(key_b1));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+
+  EXPECT_TRUE(manager.AddExtension(key_c1));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_FALSE(manager.AddExtension(key_c1));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_TRUE(manager.AddExtension(key_c0));
+  EXPECT_FALSE(manager.AddExtension(key_c0));
+  EXPECT_FALSE(manager.AddExtension(key_c1));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+
+  // Remove all the entries.
+  EXPECT_TRUE(manager.RemoveExtension(key_a0));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_FALSE(manager.RemoveExtension(key_a0));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+
+  EXPECT_TRUE(manager.RemoveExtension(key_b0));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_FALSE(manager.RemoveExtension(key_b0));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+
+  EXPECT_TRUE(manager.RemoveExtension(key_c0));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_FALSE(manager.RemoveExtension(key_c0));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(3U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+
+  EXPECT_TRUE(manager.RemoveExtension(key_c1));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_FALSE(manager.RemoveExtension(key_c1));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(2U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+
+  EXPECT_TRUE(manager.RemoveExtension(key_b1));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_FALSE(manager.RemoveExtension(key_b1));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(1U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+
+  EXPECT_TRUE(manager.RemoveExtension(key_a1));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+  EXPECT_FALSE(manager.RemoveExtension(key_a1));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_MESSAGES));
+  EXPECT_EQ(0U, manager.GetNumActiveExtensionsForSource(LOG_SOURCE_UI_LATEST));
+}
+
+TEST(LogSourceAccessManagerTest, LastAccessTime) {
+  // Specify a long minimum duration between reads to avoid non-deterministic
+  // timing variations between tests. For practical purposes, this means we can
+  // only read from the source once during the lifetime of this test.
+  LogSourceAccessManager manager(base::TimeDelta::FromDays(30));
+
+  const SourceAndExtension key_a0(LOG_SOURCE_MESSAGES, "aaaa");
+  const SourceAndExtension key_a1(LOG_SOURCE_UI_LATEST, "aaaa");
+  const SourceAndExtension key_b0(LOG_SOURCE_MESSAGES, "bbbb");
+  const SourceAndExtension key_b1(LOG_SOURCE_UI_LATEST, "bbbb");
+  const SourceAndExtension key_c0(LOG_SOURCE_MESSAGES, "cccc");
+  const SourceAndExtension key_c1(LOG_SOURCE_UI_LATEST, "cccc");
+
+  // No timestamps present for any of the keys.
+  EXPECT_TRUE(manager.GetLastExtensionAccessTime(key_a0).is_null());
+  EXPECT_TRUE(manager.GetLastExtensionAccessTime(key_a1).is_null());
+  EXPECT_TRUE(manager.GetLastExtensionAccessTime(key_b0).is_null());
+  EXPECT_TRUE(manager.GetLastExtensionAccessTime(key_b1).is_null());
+  EXPECT_TRUE(manager.GetLastExtensionAccessTime(key_c0).is_null());
+  EXPECT_TRUE(manager.GetLastExtensionAccessTime(key_c1).is_null());
+
+  // Access each key for the first time.
+  EXPECT_TRUE(manager.AccessSourceFromExtension(key_a0));
+  EXPECT_TRUE(manager.AccessSourceFromExtension(key_b0));
+  EXPECT_TRUE(manager.AccessSourceFromExtension(key_c0));
+  EXPECT_TRUE(manager.AccessSourceFromExtension(key_a1));
+  EXPECT_TRUE(manager.AccessSourceFromExtension(key_b1));
+  EXPECT_TRUE(manager.AccessSourceFromExtension(key_c1));
+
+  // Each key should now have a last access timestamp.
+  EXPECT_FALSE(manager.GetLastExtensionAccessTime(key_a0).is_null());
+  EXPECT_FALSE(manager.GetLastExtensionAccessTime(key_a1).is_null());
+  EXPECT_FALSE(manager.GetLastExtensionAccessTime(key_b0).is_null());
+  EXPECT_FALSE(manager.GetLastExtensionAccessTime(key_b1).is_null());
+  EXPECT_FALSE(manager.GetLastExtensionAccessTime(key_c0).is_null());
+  EXPECT_FALSE(manager.GetLastExtensionAccessTime(key_c1).is_null());
+
+  // Cannot access them again.
+  EXPECT_FALSE(manager.AccessSourceFromExtension(key_a0));
+  EXPECT_FALSE(manager.AccessSourceFromExtension(key_b0));
+  EXPECT_FALSE(manager.AccessSourceFromExtension(key_c0));
+  EXPECT_FALSE(manager.AccessSourceFromExtension(key_a1));
+  EXPECT_FALSE(manager.AccessSourceFromExtension(key_b1));
+  EXPECT_FALSE(manager.AccessSourceFromExtension(key_c1));
+}
+
+}  // namespace extensions