/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.flex.compiler.internal.codegen.js.goog;
import org.apache.flex.compiler.driver.IBackend;
import org.apache.flex.compiler.internal.driver.js.goog.GoogBackend;
import org.apache.flex.compiler.internal.test.ASTestBase;
import org.apache.flex.compiler.tree.as.IFileNode;
import org.apache.flex.compiler.tree.as.IFunctionNode;
import org.junit.Test;
/**
* This class tests the production of 'goog' JavaScript output.
* <p>
* Note; this is a complete prototype more used in figuring out where
* abstraction and indirection is needed concerning the AS -> JS translations.
*
* @author Michael Schmalle
*/
public class TestGoogEmitter extends ASTestBase
{
@Test
public void testSimple()
{
String code = "package com.example.components {"
+ "import flash.events.EventDispatcher;"
+ "public class MyEventTarget extends EventDispatcher {"
+ "public function MyEventTarget() {if (foo() != 42) { bar(); } }"
+ "private var _privateVar:String = \"do \";"
+ "public var publicProperty:Number = 100;"
+ "public function myFunction(value: String): String{"
+ "return \"Don't \" + _privateVar + value; }}}";
IFileNode node = compileAS(code);
asBlockWalker.visitFile(node);
assertOut("goog.provide('com.example.components.MyEventTarget');\n\ngoog.require('flash.events.EventDispatcher');\n\n/**\n * @constructor\n * @extends {flash.events.EventDispatcher}\n */\ncom.example.components.MyEventTarget = function() {\n\tvar self = this;\n\tcom.example.components.MyEventTarget.base(this, 'constructor');\n\tif (foo() != 42) {\n\t\tbar();\n\t}\n};\ngoog.inherits(com.example.components.MyEventTarget, flash.events.EventDispatcher);\n\n/**\n * @private\n * @type {string}\n */\ncom.example.components.MyEventTarget.prototype._privateVar = \"do \";\n\n/**\n * @type {number}\n */\ncom.example.components.MyEventTarget.prototype.publicProperty = 100;\n\n/**\n * @param {string} value\n * @return {string}\n */\ncom.example.components.MyEventTarget.prototype.myFunction = function(value) {\n\tvar self = this;\n\treturn \"Don't \" + self._privateVar + value;\n};");
}
@Test
public void testSimpleInterface()
{
String code = "package com.example.components {"
+ "public interface TestInterface { } }";
IFileNode node = compileAS(code);
asBlockWalker.visitFile(node);
assertOut("goog.provide('com.example.components.TestInterface');\n\n/**\n * @interface\n */\ncom.example.components.TestInterface = function() {\n};");
}
@Test
public void testSimpleClass()
{
String code = "package com.example.components {"
+ "public class TestClass { } }";
IFileNode node = compileAS(code);
asBlockWalker.visitFile(node);
assertOut("goog.provide('com.example.components.TestClass');\n\n/**\n * @constructor\n */\ncom.example.components.TestClass = function() {\n};");
}
@Test
public void testSimpleMethod()
{
IFunctionNode node = getMethod("function method1():void{\n}");
asBlockWalker.visitFunction(node);
assertOut("FalconTest_A.prototype.method1 = function() {\n}");
}
@Test
public void testSimpleParameterReturnType()
{
IFunctionNode node = getMethodWithPackage("function method1(bar:int):int{\n}");
asBlockWalker.visitFunction(node);
assertOut("/**\n * @param {number} bar\n * @return {number}\n */\n"
+ "foo.bar.FalconTest_A.prototype.method1 = function(bar) {\n}");
}
@Test
public void testSimpleMultipleParameter()
{
IFunctionNode node = getMethodWithPackage("function method1(bar:int, baz:String, goo:Array):void{\n}");
asBlockWalker.visitFunction(node);
assertOut("/**\n * @param {number} bar\n * @param {string} baz\n * @param {Array} goo\n */\n"
+ "foo.bar.FalconTest_A.prototype.method1 = function(bar, baz, goo) {\n}");
}
@Test
public void testSimpleMultipleParameter_JSDoc()
{
IFunctionNode node = getMethodWithPackage("function method1(bar:int, baz:String, goo:Array):void{\n}");
asBlockWalker.visitFunction(node);
assertOut("/**\n * @param {number} bar\n * @param {string} baz\n * @param {Array} goo\n */\n"
+ "foo.bar.FalconTest_A.prototype.method1 = function(bar, baz, goo) {\n}");
}
@Test
public void testDefaultParameter()
{
IFunctionNode node = getMethodWithPackage("function method1(p1:int, p2:int, p3:int = 3, p4:int = 4):int{return p1 + p2 + p3 + p4;}");
asBlockWalker.visitFunction(node);
assertOut("/**\n * @param {number} p1\n * @param {number} p2\n * @param {number=} p3\n * @param {number=} p4\n * @return {number}\n */\n"
+ "foo.bar.FalconTest_A.prototype.method1 = function(p1, p2, p3, p4) {\n"
+ "\tvar self = this;\n"
+ "\tp3 = typeof p3 !== 'undefined' ? p3 : 3;\n"
+ "\tp4 = typeof p4 !== 'undefined' ? p4 : 4;\n"
+ "\treturn p1 + p2 + p3 + p4;\n}");
}
@Test
public void testDefaultParameter_Body()
{
IFunctionNode node = getMethodWithPackage("function method1(bar:int = 42, bax:int = 4):void{if (a) foo();}");
asBlockWalker.visitFunction(node);
assertOut("/**\n * @param {number=} bar\n * @param {number=} bax\n */\n"
+ "foo.bar.FalconTest_A.prototype.method1 = function(bar, bax) {\n"
+ "\tvar self = this;\n"
+ "\tbar = typeof bar !== 'undefined' ? bar : 42;\n"
+ "\tbax = typeof bax !== 'undefined' ? bax : 4;\n"
+ "\tif (a)\n\t\tfoo();\n}");
}
@Test
public void testDefaultParameter_NoBody()
{
IFunctionNode node = getMethodWithPackage("function method1(p1:int, p2:int, p3:int = 3, p4:int = 4):int{}");
asBlockWalker.visitFunction(node);
assertOut("/**\n * @param {number} p1\n * @param {number} p2\n * @param {number=} p3\n * @param {number=} p4\n * @return {number}\n */\n"
+ "foo.bar.FalconTest_A.prototype.method1 = function(p1, p2, p3, p4) {\n"
+ "\tp3 = typeof p3 !== 'undefined' ? p3 : 3;\n"
+ "\tp4 = typeof p4 !== 'undefined' ? p4 : 4;\n}");
}
@Override
protected IBackend createBackend()
{
return new GoogBackend();
}
}