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/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* Licensed 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.tuscany.container.js.rhino;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import junit.framework.TestCase;
import org.mozilla.javascript.EcmaError;
/**
* Tests for the RhinoInvoker
*/
public class RhinoInvokerTestCase extends TestCase {
private static final String scriptName = "RhinoInvokerTestCase.js";
private String script;
protected void setUp() throws Exception {
super.setUp();
this.script = readResource(scriptName);
}
public void testSimpleInvocation() {
RhinoScript ri = new RhinoScript(scriptName, script);
Object x = ri.invoke("echo", "petra", null);
assertEquals("petra", x);
}
public void testCopy() {
RhinoScript ri = new RhinoScript(scriptName, script);
Object x = ri.invoke("echo", "petra", null);
assertEquals("petra", x);
ri = ri.copy();
x = ri.invoke("echo", "sue", null);
assertEquals("sue", x);
}
public void testContexts1() {
RhinoScript ri = new RhinoScript(scriptName, script);
Map<String, Object> contexts = new HashMap<String, Object>();
contexts.put("a", "petra");
Object x = ri.invoke("getA", null, contexts);
assertEquals("petra", x);
}
/**
* Tests context not accessable across invocations
*/
public void testContexts2() {
RhinoScript ri = new RhinoScript(scriptName, script);
Map<String, Object> contexts = new HashMap<String, Object>();
contexts.put("a", "petra");
Object x = ri.invoke("getA", null, contexts);
assertEquals("petra", x);
try {
x = ri.invoke("getA", null, null);
assertTrue("expected ReferenceError", false);
} catch (EcmaError e) {
assertEquals("ReferenceError", e.getName());
}
}
/**
* Tests shared scope is accessable across invocations
*/
public void testScopes1() {
RhinoScript ri = new RhinoScript(scriptName, script);
ri.invoke("setGlobalVarY", "petra", null);
Object x = ri.invoke("getGlobalVarY", null, null);
assertEquals("petra", x);
}
/**
* Tests local vars are NOT accessable across invocations
*/
public void testScopes2() {
RhinoScript ri = new RhinoScript(scriptName, script);
ri.invoke("setLocalVarY", "petra", null);
try {
ri.invoke("getGlobalVarY", null, null);
assertTrue("expected ReferenceError", false);
} catch (EcmaError e) {
assertEquals("ReferenceError", e.getName());
}
}
/**
* Tests shared scope is accessable when using contexts (ie an invocation scope)
*/
public void testScopes3() {
RhinoScript ri = new RhinoScript(scriptName, script);
ri.invoke("setGlobalVarY", "petra", null);
Map<String, Object> contexts = new HashMap<String, Object>();
contexts.put("a", "sue");
Object x = ri.invoke("getGlobalVarY", null, contexts);
assertEquals("petra", x);
x = ri.invoke("getA", null, contexts);
assertEquals("sue", x);
}
/**
* Tests a copy only retains the script scope not the shared scope
*/
public void testScopes4() {
RhinoScript ri = new RhinoScript(scriptName, script);
ri.invoke("setGlobalVarY", "petra", null);
ri = ri.copy();
try {
ri.invoke("getGlobalVarY", null, null);
assertTrue("expected ReferenceError", false);
} catch (EcmaError e) {
assertEquals("ReferenceError", e.getName());
}
try {
ri.invoke("getA", null, null);
assertTrue("expected ReferenceError", false);
} catch (EcmaError e) {
assertEquals("ReferenceError", e.getName());
}
}
public void testGetInt() {
RhinoScript ri = new RhinoScript(scriptName, script);
Object x = ri.invoke("getInt", null, Integer.TYPE, null);
assertEquals(Integer.class, x.getClass());
}
/**
* Read a resource into a String
*/
private String readResource(String name) {
try {
URL url = getClass().getResource(name);
if (url == null) {
throw new RuntimeException("resource not found: " + name);
}
InputStream inputStream = url.openStream();
StringBuffer resource = new StringBuffer();
int n = 0;
while ((n = inputStream.read()) != -1) {
resource.append((char) n);
}
inputStream.close();
String s = resource.toString();
return s;
} catch (IOException e) {
throw new RuntimeException("IOException reading resource " + name, e);
}
}
}
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