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// 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 "components/performance_manager/execution_context/execution_context_registry_impl.h"
#include <memory>
#include "base/memory/raw_ptr.h"
#include "base/test/gtest_util.h"
#include "components/performance_manager/execution_context/execution_context_impl.h"
#include "components/performance_manager/public/execution_context/execution_context.h"
#include "components/performance_manager/test_support/graph_test_harness.h"
#include "components/performance_manager/test_support/mock_graphs.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/tokens/tokens.h"
namespace performance_manager {
namespace execution_context {
namespace {
class LenientMockExecutionContextObserver : public ExecutionContextObserver {
public:
LenientMockExecutionContextObserver() = default;
LenientMockExecutionContextObserver(
const LenientMockExecutionContextObserver&) = delete;
LenientMockExecutionContextObserver& operator=(
const LenientMockExecutionContextObserver&) = delete;
~LenientMockExecutionContextObserver() override = default;
// ExecutionContextObserver implementation:
MOCK_METHOD(void, OnExecutionContextAdded, (const ExecutionContext*), ());
MOCK_METHOD(void,
OnBeforeExecutionContextRemoved,
(const ExecutionContext*),
());
MOCK_METHOD(void,
OnPriorityAndReasonChanged,
(const ExecutionContext*,
const PriorityAndReason& previous_value),
());
};
using MockExecutionContextObserver =
testing::StrictMock<LenientMockExecutionContextObserver>;
class ExecutionContextRegistryImplTest : public GraphTestHarness {
public:
using Super = GraphTestHarness;
ExecutionContextRegistryImplTest() = default;
ExecutionContextRegistryImplTest(const ExecutionContextRegistryImplTest&) =
delete;
ExecutionContextRegistryImplTest& operator=(
const ExecutionContextRegistryImplTest&) = delete;
~ExecutionContextRegistryImplTest() override = default;
void SetUp() override {
Super::SetUp();
registry_ = GraphRegisteredImpl<ExecutionContextRegistryImpl>::GetFromGraph(
graph());
ASSERT_TRUE(registry_);
}
protected:
raw_ptr<ExecutionContextRegistryImpl> registry_ = nullptr;
};
using ExecutionContextRegistryImplDeathTest = ExecutionContextRegistryImplTest;
} // namespace
TEST_F(ExecutionContextRegistryImplTest, RegistryWorks) {
// Ensure that the public getter works.
EXPECT_EQ(registry_, ExecutionContextRegistry::GetFromGraph(graph()));
// Create some mock nodes. This creates a graph with 1 page containing 2
// frames in 1 process.
MockMultiplePagesInSingleProcessGraph mock_graph(graph());
// Only the frames are in the map at this point.
EXPECT_EQ(2u, registry_->GetExecutionContextCountForTesting());
// Creating a worker should create another entry in the map.
auto worker_node = CreateNode<WorkerNodeImpl>(
WorkerNode::WorkerType::kDedicated, mock_graph.process.get());
EXPECT_EQ(3u, registry_->GetExecutionContextCountForTesting());
auto* frame1 = mock_graph.frame.get();
auto* frame2 = mock_graph.other_frame.get();
auto* worker = worker_node.get();
// Get the execution contexts for each node directly.
auto* frame1_ec = &FrameExecutionContext::Get(frame1);
auto* frame2_ec = &FrameExecutionContext::Get(frame2);
auto* worker_ec = &WorkerExecutionContext::Get(worker);
// Expect the FrameExecutionContext implementation to work.
EXPECT_EQ(ExecutionContextType::kFrameNode, frame1_ec->GetType());
EXPECT_EQ(frame1->GetFrameToken().value(), frame1_ec->GetToken().value());
EXPECT_EQ(frame1->GetURL(), frame1_ec->GetUrl());
EXPECT_EQ(frame1->process_node(), frame1_ec->GetProcessNode());
EXPECT_EQ(frame1, frame1_ec->GetFrameNode());
EXPECT_FALSE(frame1_ec->GetWorkerNode());
// Expect the WorkerExecutionContext implementation to work.
EXPECT_EQ(ExecutionContextType::kWorkerNode, worker_ec->GetType());
EXPECT_EQ(worker->GetWorkerToken().value(), worker_ec->GetToken().value());
EXPECT_EQ(worker->GetURL(), worker_ec->GetUrl());
EXPECT_EQ(worker->process_node(), worker_ec->GetProcessNode());
EXPECT_FALSE(worker_ec->GetFrameNode());
EXPECT_EQ(worker, worker_ec->GetWorkerNode());
// Getting ExecutionContexts for a node should work.
EXPECT_EQ(frame1_ec, registry_->GetExecutionContextForFrameNode(frame1));
EXPECT_EQ(frame2_ec, registry_->GetExecutionContextForFrameNode(frame2));
EXPECT_EQ(worker_ec, registry_->GetExecutionContextForWorkerNode(worker));
// Lookup by ExecutionContextToken should work.
EXPECT_EQ(frame1_ec,
registry_->GetExecutionContextByToken(frame1_ec->GetToken()));
EXPECT_EQ(frame2_ec,
registry_->GetExecutionContextByToken(frame2_ec->GetToken()));
EXPECT_EQ(worker_ec,
registry_->GetExecutionContextByToken(worker_ec->GetToken()));
// Lookup by typed tokens should work.
EXPECT_EQ(frame1,
registry_->GetFrameNodeByFrameToken(frame1->GetFrameToken()));
EXPECT_EQ(frame2,
registry_->GetFrameNodeByFrameToken(frame2->GetFrameToken()));
EXPECT_EQ(worker,
registry_->GetWorkerNodeByWorkerToken(worker->GetWorkerToken()));
// Querying a random token should fail.
EXPECT_FALSE(
registry_->GetExecutionContextByToken(blink::ExecutionContextToken()));
EXPECT_FALSE(registry_->GetFrameNodeByFrameToken(blink::LocalFrameToken()));
EXPECT_FALSE(registry_->GetWorkerNodeByWorkerToken(blink::WorkerToken()));
}
TEST_F(ExecutionContextRegistryImplTest, Observers) {
// Create an observer.
MockExecutionContextObserver obs;
EXPECT_FALSE(registry_->HasObserver(&obs));
registry_->AddObserver(&obs);
EXPECT_TRUE(registry_->HasObserver(&obs));
// Create some mock nodes. This creates a graph with 1 page containing 1 frame
// and 1 worker in a single process.
EXPECT_CALL(obs, OnExecutionContextAdded(testing::_)).Times(2);
MockSinglePageWithFrameAndWorkerInSingleProcessGraph mock_graph(graph());
// The registry has 2 entries: the frame and the worker.
EXPECT_EQ(2u, registry_->GetExecutionContextCountForTesting());
auto* frame = mock_graph.frame.get();
auto* worker = mock_graph.worker.get();
// Get the execution contexts for each node directly.
auto* frame_ec = &FrameExecutionContext::Get(frame);
auto* worker_ec = &WorkerExecutionContext::Get(worker);
// Set the priority and reason of the frame and expect a notification.
EXPECT_CALL(obs, OnPriorityAndReasonChanged(frame_ec, testing::_));
frame->SetPriorityAndReason(
PriorityAndReason(base::TaskPriority::HIGHEST, "frame reason"));
// Set the priority and reason of the worker and expect a notification.
EXPECT_CALL(obs, OnPriorityAndReasonChanged(worker_ec, testing::_));
worker->SetPriorityAndReason(
PriorityAndReason(base::TaskPriority::HIGHEST, "worker reason"));
// Destroy nodes one by one and expect observer notifications.
EXPECT_CALL(obs, OnBeforeExecutionContextRemoved(worker_ec));
mock_graph.DeleteWorker();
EXPECT_EQ(1u, registry_->GetExecutionContextCountForTesting());
EXPECT_CALL(obs, OnBeforeExecutionContextRemoved(frame_ec));
mock_graph.frame.reset();
EXPECT_EQ(0u, registry_->GetExecutionContextCountForTesting());
// Unregister the observer so that the registry doesn't explode when it is
// torn down.
registry_->RemoveObserver(&obs);
}
} // namespace execution_context
} // namespace performance_manager
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