chromium/chrome/browser/upgrade_detector/installed_version_poller_unittest.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/upgrade_detector/installed_version_poller.h"

#include "base/memory/raw_ptr.h"
#include "stdint.h"

#include <memory>
#include <utility>
#include <vector>

#include "base/test/mock_callback.h"
#include "base/test/task_environment.h"
#include "chrome/browser/upgrade_detector/build_state.h"
#include "chrome/browser/upgrade_detector/installed_version_monitor.h"
#include "chrome/browser/upgrade_detector/mock_build_state_observer.h"
#include "components/version_info/version_info.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

_;
AllOf;
ByMove;
Eq;
IsFalse;
IsTrue;
Property;
Return;

namespace {

class FakeMonitor final : public InstalledVersionMonitor { … };

}  // namespace

class InstalledVersionPollerTest : public ::testing::Test { … };

// Tests that a poll returning the current version does not update the
// BuildState.
TEST_F(InstalledVersionPollerTest, TestNoUpdate) { … }

// Tests that a poll with an update is reported to the BuildState.
TEST_F(InstalledVersionPollerTest, TestUpgrade) { … }

// Tests that a poll with an update is reported to the BuildState and that a
// subsequent poll back to the original version is also reported.
TEST_F(InstalledVersionPollerTest, TestUpgradeThenDowngrade) { … }

// Tests that a poll with a critical update is reported to the BuildState.
TEST_F(InstalledVersionPollerTest, TestCriticalUpgrade) { … }

// Tests that a poll that failed to find a version reports an update anyway.
TEST_F(InstalledVersionPollerTest, TestMissingVersion) { … }

// Tests that a version downgrade (a rollback) is reported as such.
TEST_F(InstalledVersionPollerTest, TestRollback) { … }

// Tests that a modification in the monitored location triggers a poll.
TEST_F(InstalledVersionPollerTest, TestMonitor) { … }