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// Copyright (c) 2008 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/user_script_master.h"
#include <fstream>
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/path_service.h"
#include "base/string_util.h"
#include "chrome/common/notification_service.h"
#include "testing/gtest/include/gtest/gtest.h"
// Test bringing up a master on a specific directory, putting a script in there, etc.
class UserScriptMasterTest : public testing::Test,
public NotificationObserver {
public:
UserScriptMasterTest() : shared_memory_(NULL) {}
virtual void SetUp() {
// Name a subdirectory of the temp directory.
FilePath tmp_dir;
ASSERT_TRUE(PathService::Get(base::DIR_TEMP, &tmp_dir));
script_dir_ = tmp_dir.AppendASCII("UserScriptTest");
// Create a fresh, empty copy of this directory.
file_util::Delete(script_dir_, true);
file_util::CreateDirectory(script_dir_);
// Register for all user script notifications.
NotificationService::current()->AddObserver(
this,
NotificationType::USER_SCRIPTS_LOADED,
NotificationService::AllSources());
}
virtual void TearDown() {
NotificationService::current()->RemoveObserver(
this,
NotificationType::USER_SCRIPTS_LOADED,
NotificationService::AllSources());
// Clean up test directory.
ASSERT_TRUE(file_util::Delete(script_dir_, true));
ASSERT_FALSE(file_util::PathExists(script_dir_));
}
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
DCHECK(type == NotificationType::USER_SCRIPTS_LOADED);
shared_memory_ = Details<base::SharedMemory>(details).ptr();
if (MessageLoop::current() == &message_loop_)
MessageLoop::current()->Quit();
}
// MessageLoop used in tests.
MessageLoop message_loop_;
// Directory containing user scripts.
FilePath script_dir_;
// Updated to the script shared memory when we get notified.
base::SharedMemory* shared_memory_;
};
// Test that we *don't* get spurious notifications.
TEST_F(UserScriptMasterTest, NoScripts) {
// Set shared_memory_ to something non-NULL, so we can check it became NULL.
shared_memory_ = reinterpret_cast<base::SharedMemory*>(1);
scoped_refptr<UserScriptMaster> master(
new UserScriptMaster(MessageLoop::current(), script_dir_));
master->StartScan();
message_loop_.PostTask(FROM_HERE, new MessageLoop::QuitTask);
message_loop_.Run();
// There were no scripts in the script dir, so we shouldn't have gotten
// a notification.
ASSERT_EQ(NULL, shared_memory_);
}
// Test that we get notified about new scripts after they're added.
TEST_F(UserScriptMasterTest, NewScripts) {
scoped_refptr<UserScriptMaster> master(
new UserScriptMaster(MessageLoop::current(), script_dir_));
FilePath path = script_dir_.AppendASCII("script.user.js");
FILE* file = file_util::OpenFile(path, "w");
const char content[] = "some content";
fwrite(content, 1, arraysize(content), file);
file_util::CloseFile(file);
message_loop_.Run();
ASSERT_TRUE(shared_memory_ != NULL);
}
// Test that we get notified about scripts if they're already in the test dir.
TEST_F(UserScriptMasterTest, ExistingScripts) {
FilePath path = script_dir_.AppendASCII("script.user.js");
FILE* file = file_util::OpenFile(path, "w");
const char content[] = "some content";
fwrite(content, 1, arraysize(content), file);
file_util::CloseFile(file);
scoped_refptr<UserScriptMaster> master(
new UserScriptMaster(MessageLoop::current(), script_dir_));
master->StartScan();
message_loop_.PostTask(FROM_HERE, new MessageLoop::QuitTask);
message_loop_.Run();
ASSERT_TRUE(shared_memory_ != NULL);
}
TEST_F(UserScriptMasterTest, Parse1) {
const std::string text(
"// This is my awesome script\n"
"// It does stuff.\n"
"// ==UserScript== trailing garbage\n"
"// @name foobar script\n"
"// @namespace http://www.google.com/\n"
"// @include *mail.google.com*\n"
"// \n"
"// @othergarbage\n"
"// @include *mail.yahoo.com*\r\n"
"// @include \t *mail.msn.com*\n" // extra spaces after "@include" OK
"//@include not-recognized\n" // must have one space after "//"
"// ==/UserScript== trailing garbage\n"
"\n"
"\n"
"alert('hoo!');\n");
UserScript script;
UserScriptMaster::ScriptReloader::ParseMetadataHeader(text, &script);
EXPECT_EQ(3U, script.globs().size());
EXPECT_EQ("*mail.google.com*", script.globs()[0]);
EXPECT_EQ("*mail.yahoo.com*", script.globs()[1]);
EXPECT_EQ("*mail.msn.com*", script.globs()[2]);
}
TEST_F(UserScriptMasterTest, Parse2) {
const std::string text("default to @include *");
UserScript script;
UserScriptMaster::ScriptReloader::ParseMetadataHeader(text, &script);
EXPECT_EQ(1U, script.globs().size());
EXPECT_EQ("*", script.globs()[0]);
}
TEST_F(UserScriptMasterTest, Parse3) {
const std::string text(
"// ==UserScript==\n"
"// @include *foo*\n"
"// ==/UserScript=="); // no trailing newline
UserScript script;
UserScriptMaster::ScriptReloader::ParseMetadataHeader(text, &script);
EXPECT_EQ(1U, script.globs().size());
EXPECT_EQ("*foo*", script.globs()[0]);
}
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