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// Copyright (c) 2012 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 "content/browser/plugin_loader_posix.h"
#include "base/at_exit.h"
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "content/browser/browser_thread_impl.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
class MockPluginLoaderPosix : public PluginLoaderPosix {
public:
MOCK_METHOD0(LoadPluginsInternal, void(void));
size_t number_of_pending_callbacks() {
return callbacks_.size();
}
std::vector<base::FilePath>* canonical_list() {
return &canonical_list_;
}
size_t next_load_index() {
return next_load_index_;
}
const std::vector<WebPluginInfo>& loaded_plugins() {
return loaded_plugins_;
}
std::vector<WebPluginInfo>* internal_plugins() {
return &internal_plugins_;
}
void RealLoadPluginsInternal() {
PluginLoaderPosix::LoadPluginsInternal();
}
void TestOnPluginLoaded(uint32 index, const WebPluginInfo& plugin) {
OnPluginLoaded(index, plugin);
}
void TestOnPluginLoadFailed(uint32 index, const base::FilePath& path) {
OnPluginLoadFailed(index, path);
}
protected:
virtual ~MockPluginLoaderPosix() {}
};
void VerifyCallback(int* run_count, const std::vector<WebPluginInfo>&) {
++(*run_count);
}
class PluginLoaderPosixTest : public testing::Test {
public:
PluginLoaderPosixTest()
: plugin1_(ASCIIToUTF16("plugin1"), base::FilePath("/tmp/one.plugin"),
ASCIIToUTF16("1.0"), base::string16()),
plugin2_(ASCIIToUTF16("plugin2"), base::FilePath("/tmp/two.plugin"),
ASCIIToUTF16("2.0"), base::string16()),
plugin3_(ASCIIToUTF16("plugin3"), base::FilePath("/tmp/three.plugin"),
ASCIIToUTF16("3.0"), base::string16()),
file_thread_(BrowserThread::FILE, &message_loop_),
io_thread_(BrowserThread::IO, &message_loop_),
plugin_loader_(new MockPluginLoaderPosix) {
}
virtual void SetUp() OVERRIDE {
PluginServiceImpl::GetInstance()->Init();
}
base::MessageLoop* message_loop() { return &message_loop_; }
MockPluginLoaderPosix* plugin_loader() { return plugin_loader_.get(); }
void AddThreePlugins() {
plugin_loader_->canonical_list()->clear();
plugin_loader_->canonical_list()->push_back(plugin1_.path);
plugin_loader_->canonical_list()->push_back(plugin2_.path);
plugin_loader_->canonical_list()->push_back(plugin3_.path);
}
// Data used for testing.
WebPluginInfo plugin1_;
WebPluginInfo plugin2_;
WebPluginInfo plugin3_;
private:
base::ShadowingAtExitManager at_exit_manager_; // Destroys PluginService.
base::MessageLoopForIO message_loop_;
BrowserThreadImpl file_thread_;
BrowserThreadImpl io_thread_;
scoped_refptr<MockPluginLoaderPosix> plugin_loader_;
};
TEST_F(PluginLoaderPosixTest, QueueRequests) {
int did_callback = 0;
PluginService::GetPluginsCallback callback =
base::Bind(&VerifyCallback, base::Unretained(&did_callback));
EXPECT_EQ(0u, plugin_loader()->number_of_pending_callbacks());
plugin_loader()->LoadPlugins(message_loop()->message_loop_proxy(), callback);
EXPECT_EQ(1u, plugin_loader()->number_of_pending_callbacks());
plugin_loader()->LoadPlugins(message_loop()->message_loop_proxy(), callback);
EXPECT_EQ(2u, plugin_loader()->number_of_pending_callbacks());
EXPECT_CALL(*plugin_loader(), LoadPluginsInternal()).Times(2);
message_loop()->RunUntilIdle();
EXPECT_EQ(0, did_callback);
plugin_loader()->canonical_list()->clear();
plugin_loader()->canonical_list()->push_back(plugin1_.path);
plugin_loader()->TestOnPluginLoaded(0, plugin1_);
message_loop()->RunUntilIdle();
EXPECT_EQ(1, did_callback);
EXPECT_EQ(1u, plugin_loader()->number_of_pending_callbacks());
plugin_loader()->canonical_list()->clear();
plugin_loader()->canonical_list()->push_back(plugin1_.path);
plugin_loader()->TestOnPluginLoaded(0, plugin1_);
message_loop()->RunUntilIdle();
EXPECT_EQ(2, did_callback);
EXPECT_EQ(0u, plugin_loader()->number_of_pending_callbacks());
}
TEST_F(PluginLoaderPosixTest, ThreeSuccessfulLoads) {
int did_callback = 0;
PluginService::GetPluginsCallback callback =
base::Bind(&VerifyCallback, base::Unretained(&did_callback));
plugin_loader()->LoadPlugins(message_loop()->message_loop_proxy(), callback);
EXPECT_CALL(*plugin_loader(), LoadPluginsInternal()).Times(1);
message_loop()->RunUntilIdle();
AddThreePlugins();
EXPECT_EQ(0u, plugin_loader()->next_load_index());
const std::vector<WebPluginInfo>& plugins(plugin_loader()->loaded_plugins());
plugin_loader()->TestOnPluginLoaded(0, plugin1_);
EXPECT_EQ(1u, plugin_loader()->next_load_index());
EXPECT_EQ(1u, plugins.size());
EXPECT_EQ(plugin1_.name, plugins[0].name);
message_loop()->RunUntilIdle();
EXPECT_EQ(0, did_callback);
plugin_loader()->TestOnPluginLoaded(1, plugin2_);
EXPECT_EQ(2u, plugin_loader()->next_load_index());
EXPECT_EQ(2u, plugins.size());
EXPECT_EQ(plugin2_.name, plugins[1].name);
message_loop()->RunUntilIdle();
EXPECT_EQ(0, did_callback);
plugin_loader()->TestOnPluginLoaded(2, plugin3_);
EXPECT_EQ(3u, plugins.size());
EXPECT_EQ(plugin3_.name, plugins[2].name);
message_loop()->RunUntilIdle();
EXPECT_EQ(1, did_callback);
}
TEST_F(PluginLoaderPosixTest, ThreeSuccessfulLoadsThenCrash) {
int did_callback = 0;
PluginService::GetPluginsCallback callback =
base::Bind(&VerifyCallback, base::Unretained(&did_callback));
plugin_loader()->LoadPlugins(message_loop()->message_loop_proxy(), callback);
EXPECT_CALL(*plugin_loader(), LoadPluginsInternal()).Times(2);
message_loop()->RunUntilIdle();
AddThreePlugins();
EXPECT_EQ(0u, plugin_loader()->next_load_index());
const std::vector<WebPluginInfo>& plugins(plugin_loader()->loaded_plugins());
plugin_loader()->TestOnPluginLoaded(0, plugin1_);
EXPECT_EQ(1u, plugin_loader()->next_load_index());
EXPECT_EQ(1u, plugins.size());
EXPECT_EQ(plugin1_.name, plugins[0].name);
message_loop()->RunUntilIdle();
EXPECT_EQ(0, did_callback);
plugin_loader()->TestOnPluginLoaded(1, plugin2_);
EXPECT_EQ(2u, plugin_loader()->next_load_index());
EXPECT_EQ(2u, plugins.size());
EXPECT_EQ(plugin2_.name, plugins[1].name);
message_loop()->RunUntilIdle();
EXPECT_EQ(0, did_callback);
plugin_loader()->TestOnPluginLoaded(2, plugin3_);
EXPECT_EQ(3u, plugins.size());
EXPECT_EQ(plugin3_.name, plugins[2].name);
message_loop()->RunUntilIdle();
EXPECT_EQ(1, did_callback);
plugin_loader()->OnProcessCrashed(42);
}
TEST_F(PluginLoaderPosixTest, TwoFailures) {
int did_callback = 0;
PluginService::GetPluginsCallback callback =
base::Bind(&VerifyCallback, base::Unretained(&did_callback));
plugin_loader()->LoadPlugins(message_loop()->message_loop_proxy(), callback);
EXPECT_CALL(*plugin_loader(), LoadPluginsInternal()).Times(1);
message_loop()->RunUntilIdle();
AddThreePlugins();
EXPECT_EQ(0u, plugin_loader()->next_load_index());
const std::vector<WebPluginInfo>& plugins(plugin_loader()->loaded_plugins());
plugin_loader()->TestOnPluginLoadFailed(0, plugin1_.path);
EXPECT_EQ(1u, plugin_loader()->next_load_index());
EXPECT_EQ(0u, plugins.size());
message_loop()->RunUntilIdle();
EXPECT_EQ(0, did_callback);
plugin_loader()->TestOnPluginLoaded(1, plugin2_);
EXPECT_EQ(2u, plugin_loader()->next_load_index());
EXPECT_EQ(1u, plugins.size());
EXPECT_EQ(plugin2_.name, plugins[0].name);
message_loop()->RunUntilIdle();
EXPECT_EQ(0, did_callback);
plugin_loader()->TestOnPluginLoadFailed(2, plugin3_.path);
EXPECT_EQ(1u, plugins.size());
message_loop()->RunUntilIdle();
EXPECT_EQ(1, did_callback);
}
TEST_F(PluginLoaderPosixTest, CrashedProcess) {
int did_callback = 0;
PluginService::GetPluginsCallback callback =
base::Bind(&VerifyCallback, base::Unretained(&did_callback));
plugin_loader()->LoadPlugins(message_loop()->message_loop_proxy(), callback);
EXPECT_CALL(*plugin_loader(), LoadPluginsInternal()).Times(1);
message_loop()->RunUntilIdle();
AddThreePlugins();
EXPECT_EQ(0u, plugin_loader()->next_load_index());
const std::vector<WebPluginInfo>& plugins(plugin_loader()->loaded_plugins());
plugin_loader()->TestOnPluginLoaded(0, plugin1_);
EXPECT_EQ(1u, plugin_loader()->next_load_index());
EXPECT_EQ(1u, plugins.size());
EXPECT_EQ(plugin1_.name, plugins[0].name);
message_loop()->RunUntilIdle();
EXPECT_EQ(0, did_callback);
EXPECT_CALL(*plugin_loader(), LoadPluginsInternal()).Times(1);
plugin_loader()->OnProcessCrashed(42);
EXPECT_EQ(1u, plugin_loader()->canonical_list()->size());
EXPECT_EQ(0u, plugin_loader()->next_load_index());
EXPECT_EQ(plugin3_.path.value(),
plugin_loader()->canonical_list()->at(0).value());
}
TEST_F(PluginLoaderPosixTest, InternalPlugin) {
int did_callback = 0;
PluginService::GetPluginsCallback callback =
base::Bind(&VerifyCallback, base::Unretained(&did_callback));
plugin_loader()->LoadPlugins(message_loop()->message_loop_proxy(), callback);
EXPECT_CALL(*plugin_loader(), LoadPluginsInternal()).Times(1);
message_loop()->RunUntilIdle();
plugin2_.path = base::FilePath("/internal/plugin.plugin");
AddThreePlugins();
plugin_loader()->internal_plugins()->clear();
plugin_loader()->internal_plugins()->push_back(plugin2_);
EXPECT_EQ(0u, plugin_loader()->next_load_index());
const std::vector<WebPluginInfo>& plugins(plugin_loader()->loaded_plugins());
plugin_loader()->TestOnPluginLoaded(0, plugin1_);
EXPECT_EQ(1u, plugin_loader()->next_load_index());
EXPECT_EQ(1u, plugins.size());
EXPECT_EQ(plugin1_.name, plugins[0].name);
message_loop()->RunUntilIdle();
EXPECT_EQ(0, did_callback);
// Internal plugins can fail to load if they're built-in with manual
// entrypoint functions.
plugin_loader()->TestOnPluginLoadFailed(1, plugin2_.path);
EXPECT_EQ(2u, plugin_loader()->next_load_index());
EXPECT_EQ(2u, plugins.size());
EXPECT_EQ(plugin2_.name, plugins[1].name);
EXPECT_EQ(0u, plugin_loader()->internal_plugins()->size());
message_loop()->RunUntilIdle();
EXPECT_EQ(0, did_callback);
plugin_loader()->TestOnPluginLoaded(2, plugin3_);
EXPECT_EQ(3u, plugins.size());
EXPECT_EQ(plugin3_.name, plugins[2].name);
message_loop()->RunUntilIdle();
EXPECT_EQ(1, did_callback);
}
TEST_F(PluginLoaderPosixTest, AllCrashed) {
int did_callback = 0;
PluginService::GetPluginsCallback callback =
base::Bind(&VerifyCallback, base::Unretained(&did_callback));
plugin_loader()->LoadPlugins(message_loop()->message_loop_proxy(), callback);
// Spin the loop so that the canonical list of plugins can be set.
EXPECT_CALL(*plugin_loader(), LoadPluginsInternal()).Times(1);
message_loop()->RunUntilIdle();
AddThreePlugins();
EXPECT_EQ(0u, plugin_loader()->next_load_index());
// Mock the first two calls like normal.
testing::Expectation first =
EXPECT_CALL(*plugin_loader(), LoadPluginsInternal()).Times(2);
// On the last call, go through the default impl.
EXPECT_CALL(*plugin_loader(), LoadPluginsInternal())
.After(first)
.WillOnce(
testing::Invoke(plugin_loader(),
&MockPluginLoaderPosix::RealLoadPluginsInternal));
plugin_loader()->OnProcessCrashed(42);
plugin_loader()->OnProcessCrashed(42);
plugin_loader()->OnProcessCrashed(42);
message_loop()->RunUntilIdle();
EXPECT_EQ(1, did_callback);
EXPECT_EQ(0u, plugin_loader()->loaded_plugins().size());
}
} // namespace content
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