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// Copyright 2014 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 "base/strings/stringprintf.h"
#include "extensions/renderer/module_system_test.h"
#include "grit/extensions_renderer_resources.h"
namespace extensions {
namespace {
class MessagingUtilsUnittest : public ModuleSystemTest {
protected:
void RegisterTestModule(const char* code) {
env()->RegisterModule(
"test",
base::StringPrintf(
"var assert = requireNative('assert');\n"
"var AssertTrue = assert.AssertTrue;\n"
"var AssertFalse = assert.AssertFalse;\n"
"var messagingUtils = require('messaging_utils');\n"
"%s",
code));
}
private:
void SetUp() override {
ModuleSystemTest::SetUp();
env()->RegisterModule("messaging_utils", IDR_MESSAGING_UTILS_JS);
}
};
TEST_F(MessagingUtilsUnittest, TestNothing) {
ExpectNoAssertionsMade();
}
TEST_F(MessagingUtilsUnittest, NoArguments) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
RegisterTestModule(
"var args = messagingUtils.alignSendMessageArguments();\n"
"AssertTrue(args === null);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, ZeroArguments) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
RegisterTestModule(
"var args = messagingUtils.alignSendMessageArguments([]);"
"AssertTrue(args === null);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, TooManyArgumentsNoOptions) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
RegisterTestModule(
"var args = messagingUtils.alignSendMessageArguments(\n"
" ['a', 'b', 'c', 'd']);\n"
"AssertTrue(args === null);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, TooManyArgumentsWithOptions) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
RegisterTestModule(
"var args = messagingUtils.alignSendMessageArguments(\n"
" ['a', 'b', 'c', 'd', 'e'], true);\n"
"AssertTrue(args === null);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, FinalArgumentIsNotAFunctionNoOptions) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
RegisterTestModule(
"var args = messagingUtils.alignSendMessageArguments(\n"
" ['a', 'b', 'c']);\n"
"AssertTrue(args === null);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, FinalArgumentIsNotAFunctionWithOptions) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
RegisterTestModule(
"var args = messagingUtils.alignSendMessageArguments(\n"
" ['a', 'b', 'c', 'd'], true);\n"
"AssertTrue(args === null);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, OneStringArgument) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
// Because the request argument is required, a single argument must get
// mapped to it rather than to the optional targetId argument.
RegisterTestModule(
"var args = messagingUtils.alignSendMessageArguments(['a']);\n"
"AssertTrue(args.length == 3);\n"
"AssertTrue(args[0] === null);\n"
"AssertTrue(args[1] == 'a');\n"
"AssertTrue(args[2] === null);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, OneStringAndOneNullArgument) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
// Explicitly specifying null as the request is allowed.
RegisterTestModule(
"var args = messagingUtils.alignSendMessageArguments(['a', null]);\n"
"AssertTrue(args.length == 3);\n"
"AssertTrue(args[0] == 'a');\n"
"AssertTrue(args[1] === null);\n"
"AssertTrue(args[2] === null);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, OneNullAndOneStringArgument) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
RegisterTestModule(
"var args = messagingUtils.alignSendMessageArguments([null, 'a']);\n"
"AssertTrue(args.length == 3);\n"
"AssertTrue(args[0] === null);\n"
"AssertTrue(args[1] == 'a');\n"
"AssertTrue(args[2] === null);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, OneStringAndOneFunctionArgument) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
// When the arguments are a string and a function, the function is
// unambiguously the responseCallback. Because the request argument is
// required, the remaining argument must get mapped to it rather than to the
// optional targetId argument.
RegisterTestModule(
"var cb = function() {};\n"
"var args = messagingUtils.alignSendMessageArguments(['a', cb]);\n"
"AssertTrue(args.length == 3);\n"
"AssertTrue(args[0] === null);\n"
"AssertTrue(args[1] == 'a');\n"
"AssertTrue(args[2] == cb);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, OneStringAndOneObjectArgument) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
// This tests an ambiguous set of arguments when options are present:
// chrome.runtime.sendMessage('target', {'msg': 'this is a message'});
// vs.
// chrome.runtime.sendMessage('request', {'includeTlsChannelId': true});
//
// The question is whether the string should map to the target and the
// dictionary to the message, or whether the string should map to the message
// and the dictionary to the options. Because the target and message arguments
// predate the options argument, we bind the string in this case to the
// targetId.
RegisterTestModule(
"var obj = {'b': true};\n"
"var args = messagingUtils.alignSendMessageArguments(['a', obj], true);\n"
"AssertTrue(args.length == 4);\n"
"AssertTrue(args[0] == 'a');\n"
"AssertTrue(args[1] == obj);\n"
"AssertTrue(args[2] === null);\n"
"AssertTrue(args[3] === null);");
env()->module_system()->Require("test");
}
TEST_F(MessagingUtilsUnittest, TwoObjectArguments) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(
env()->module_system());
// When two non-string arguments are provided and options are present, the
// two arguments must match request and options, respectively, because
// targetId must be a string.
RegisterTestModule(
"var obj1 = {'a': 'foo'};\n"
"var obj2 = {'b': 'bar'};\n"
"var args = messagingUtils.alignSendMessageArguments(\n"
" [obj1, obj2], true);\n"
"AssertTrue(args.length == 4);\n"
"AssertTrue(args[0] === null);\n"
"AssertTrue(args[1] == obj1);\n"
"AssertTrue(args[2] == obj2);\n"
"AssertTrue(args[3] === null);");
env()->module_system()->Require("test");
}
} // namespace
} // namespace extensions
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