javaquery/api/src/test/java/org/apidesign/bck2brwsr/htmlpage/ProcessPageTest.java
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/javaquery/api/src/test/java/org/apidesign/bck2brwsr/htmlpage/ProcessPageTest.java Fri Nov 09 11:47:00 2012 +0100
1.3 @@ -0,0 +1,148 @@
1.4 +/**
1.5 + * Back 2 Browser Bytecode Translator
1.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, version 2 of the License.
1.11 + *
1.12 + * This program is distributed in the hope that it will be useful,
1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.15 + * GNU General Public License for more details.
1.16 + *
1.17 + * You should have received a copy of the GNU General Public License
1.18 + * along with this program. Look for COPYING file in the top folder.
1.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
1.20 + */
1.21 +package org.apidesign.bck2brwsr.htmlpage;
1.22 +
1.23 +import java.io.IOException;
1.24 +import java.io.InputStream;
1.25 +import java.lang.reflect.Method;
1.26 +import java.util.Set;
1.27 +import javax.script.Invocable;
1.28 +import javax.script.ScriptEngine;
1.29 +import javax.script.ScriptEngineManager;
1.30 +import javax.script.ScriptException;
1.31 +import org.testng.annotations.Test;
1.32 +import static org.testng.Assert.*;
1.33 +
1.34 +public class ProcessPageTest {
1.35 +
1.36 +
1.37 + @Test public void findsThreeIds() throws IOException {
1.38 + InputStream is = ProcessPageTest.class.getResourceAsStream("TestPage.html");
1.39 + assertNotNull(is, "Sample HTML page found");
1.40 + ProcessPage res = ProcessPage.readPage(is);
1.41 + final Set<String> ids = res.ids();
1.42 + assertEquals(ids.size(), 3, "Three ids found: " + ids);
1.43 +
1.44 + assertEquals(res.tagNameForId("pg.title"), "title");
1.45 + assertEquals(res.tagNameForId("pg.button"), "button");
1.46 + assertEquals(res.tagNameForId("pg.text"), "input");
1.47 + }
1.48 +
1.49 + @Test public void testCompileAndRunPageController() throws Exception {
1.50 + StringBuilder sb = new StringBuilder();
1.51 + sb.append(
1.52 + "var window = new Object();\n"
1.53 + + "var doc = new Object();\n"
1.54 + + "doc.button = new Object();\n"
1.55 + + "doc.title = new Object();\n"
1.56 + + "doc.title.innerHTML = 'nothing';\n"
1.57 + + "doc.text = new Object();\n"
1.58 + + "doc.text.value = 'something';\n"
1.59 + + "doc.getElementById = function(id) {\n"
1.60 + + " switch(id) {\n"
1.61 + + " case 'pg.button': return doc.button;\n"
1.62 + + " case 'pg.title': return doc.title;\n"
1.63 + + " case 'pg.text': return doc.text;\n"
1.64 + + " }\n"
1.65 + + " throw id;\n"
1.66 + + " }\n"
1.67 + + "\n"
1.68 + + "function clickAndCheck() {\n"
1.69 + + " doc.button.onclick();\n"
1.70 + + " return doc.title.innerHTML.toString();\n"
1.71 + + "};\n"
1.72 + + "\n"
1.73 + + "window.document = doc;\n"
1.74 + );
1.75 + Invocable i = compileClass(sb, "org/apidesign/bck2brwsr/htmlpage/PageController");
1.76 +
1.77 + Object ret = null;
1.78 + try {
1.79 + ret = i.invokeFunction("clickAndCheck");
1.80 + } catch (ScriptException ex) {
1.81 + fail("Execution failed in " + sb, ex);
1.82 + } catch (NoSuchMethodException ex) {
1.83 + fail("Cannot find method in " + sb, ex);
1.84 + }
1.85 + assertEquals(ret, "You want this window to be named something", "We expect that the JavaCode performs all the wiring");
1.86 + }
1.87 +
1.88 + @Test public void clickWithArgumentCalled() throws Exception {
1.89 + StringBuilder sb = new StringBuilder();
1.90 + sb.append(
1.91 + "var window = new Object();\n"
1.92 + + "var doc = new Object();\n"
1.93 + + "doc.button = new Object();\n"
1.94 + + "doc.title = new Object();\n"
1.95 + + "doc.title.innerHTML = 'nothing';\n"
1.96 + + "doc.text = new Object();\n"
1.97 + + "doc.text.value = 'something';\n"
1.98 + + "doc.getElementById = function(id) {\n"
1.99 + + " switch(id) {\n"
1.100 + + " case 'pg.button': return doc.button;\n"
1.101 + + " case 'pg.title': return doc.title;\n"
1.102 + + " case 'pg.text': return doc.text;\n"
1.103 + + " }\n"
1.104 + + " throw id;\n"
1.105 + + " }\n"
1.106 + + "\n"
1.107 + + "function clickAndCheck() {\n"
1.108 + + " doc.title.onclick();\n"
1.109 + + " return doc.title.innerHTML.toString();\n"
1.110 + + "};\n"
1.111 + + "\n"
1.112 + + "window.document = doc;\n"
1.113 + );
1.114 + Invocable i = compileClass(sb, "org/apidesign/bck2brwsr/htmlpage/PageController");
1.115 +
1.116 + Object ret = null;
1.117 + try {
1.118 + ret = i.invokeFunction("clickAndCheck");
1.119 + } catch (ScriptException ex) {
1.120 + fail("Execution failed in " + sb, ex);
1.121 + } catch (NoSuchMethodException ex) {
1.122 + fail("Cannot find method in " + sb, ex);
1.123 + }
1.124 + assertEquals(ret, "pg.title", "Title has been passed to the method argument");
1.125 + }
1.126 +
1.127 + static Invocable compileClass(StringBuilder sb, String... names) throws ScriptException, IOException {
1.128 + if (sb == null) {
1.129 + sb = new StringBuilder();
1.130 + }
1.131 + try {
1.132 + Method m;
1.133 + Class<?> genJS = Class.forName("org.apidesign.vm4brwsr.GenJS");
1.134 + m = genJS.getDeclaredMethod("compile", Appendable.class, String[].class);
1.135 + m.setAccessible(true);
1.136 + m.invoke(null, sb, names);
1.137 + } catch (Exception exception) {
1.138 + throw new IOException(exception);
1.139 + }
1.140 + ScriptEngineManager sem = new ScriptEngineManager();
1.141 + ScriptEngine js = sem.getEngineByExtension("js");
1.142 + try {
1.143 + Object res = js.eval(sb.toString());
1.144 + assertTrue(js instanceof Invocable, "It is invocable object: " + res);
1.145 + return (Invocable) js;
1.146 + } catch (ScriptException ex) {
1.147 + fail("Could not compile:\n" + sb, ex);
1.148 + return null;
1.149 + }
1.150 + }
1.151 +}