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Refactor NashornTest

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This commit is contained in:
pivovarit 2017-01-06 16:43:46 +01:00
parent fbb4065024
commit 638b6090f0
1 changed files with 13 additions and 36 deletions
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49
core-java/src/test/java/com/baeldung/scripting/NashornTest.java
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@ -4,16 +4,11 @@ import org.junit.Assert;
import org.junit.Before; import org.junit.Before;
import org.junit.Test; import org.junit.Test;
import javax.script.*;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import javax.script.Bindings;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
public class NashornTest { public class NashornTest {
private ScriptEngine engine; private ScriptEngine engine;
@ -40,9 +35,7 @@ public class NashornTest {
@Test @Test
public void magicMethods() throws ScriptException { public void magicMethods() throws ScriptException {
engine.eval("var demo = load('classpath:js/no_such.js');" + engine.eval("var demo = load('classpath:js/no_such.js');" + "var tmp = demo.doesNotExist;" + "var none = demo.callNonExistingMethod()");
"var tmp = demo.doesNotExist;" +
"var none = demo.callNonExistingMethod()");
} }
@Test @Test
@ -52,9 +45,7 @@ public class NashornTest {
@Test @Test
public void basicUsage() throws ScriptException { public void basicUsage() throws ScriptException {
Object result = engine.eval("var greeting='hello world';" + Object result = engine.eval("var greeting='hello world';" + "print(greeting);" + "greeting");
"print(greeting);" +
"greeting");
Assert.assertEquals("hello world", result); Assert.assertEquals("hello world", result);
} }
@ -65,22 +56,19 @@ public class NashornTest {
Map<String, Object> map = (Map<String, Object>) obj; Map<String, Object> map = (Map<String, Object>) obj;
Assert.assertEquals("hello", map.get("greet")); Assert.assertEquals("hello", map.get("greet"));
Assert.assertTrue(List.class.isAssignableFrom(map.get("primes").getClass())); Assert.assertTrue(List.class.isAssignableFrom(map
.get("primes")
.getClass()));
} }
@Test @Test
public void tryCatchGuard() throws ScriptException { public void tryCatchGuard() throws ScriptException {
engine.eval("var math = loadWithNewGlobal('classpath:js/math_module.js');" + engine.eval("var math = loadWithNewGlobal('classpath:js/math_module.js');" + "math.failFunc();");
"math.failFunc();");
} }
@Test @Test
public void extensionsExamples() throws ScriptException { public void extensionsExamples() throws ScriptException {
String script = "var list = [1, 2, 3, 4, 5];" + "var result = '';" + String script = "var list = [1, 2, 3, 4, 5];" + "var result = '';" + "for each (var i in list) {" + "result+=i+'-';" + "};" + "print(result);";
"for each (var i in list) {" +
"result+=i+'-';" +
"};" +
"print(result);";
engine.eval(script); engine.eval(script);
} }
@ -90,11 +78,7 @@ public class NashornTest {
bindings.put("count", 3); bindings.put("count", 3);
bindings.put("name", "baeldung"); bindings.put("name", "baeldung");
String script = "var greeting='Hello ';" + String script = "var greeting='Hello ';" + "for(var i=count;i>0;i--) { " + "greeting+=name + ' '" + "}" + "greeting";
"for(var i=count;i>0;i--) { " +
"greeting+=name + ' '" +
"}" +
"greeting";
Object bindingsResult = engine.eval(script, bindings); Object bindingsResult = engine.eval(script, bindings);
Assert.assertEquals("Hello baeldung baeldung baeldung ", bindingsResult); Assert.assertEquals("Hello baeldung baeldung baeldung ", bindingsResult);
@ -102,32 +86,25 @@ public class NashornTest {
@Test @Test
public void jvmBoundaryExamples() throws ScriptException, NoSuchMethodException { public void jvmBoundaryExamples() throws ScriptException, NoSuchMethodException {
engine.eval("function composeGreeting(name) {" + engine.eval("function composeGreeting(name) {" + "return 'Hello ' + name" + "}");
"return 'Hello ' + name" +
"}");
Invocable invocable = (Invocable) engine; Invocable invocable = (Invocable) engine;
Object funcResult = invocable.invokeFunction("composeGreeting", "baeldung"); Object funcResult = invocable.invokeFunction("composeGreeting", "baeldung");
Assert.assertEquals("Hello baeldung", funcResult); Assert.assertEquals("Hello baeldung", funcResult);
Object map = engine.eval("var HashMap = Java.type('java.util.HashMap');" + Object map = engine.eval("var HashMap = Java.type('java.util.HashMap');" + "var map = new HashMap();" + "map.put('hello', 'world');" + "map");
"var map = new HashMap();" +
"map.put('hello', 'world');" +
"map");
Assert.assertTrue(Map.class.isAssignableFrom(map.getClass())); Assert.assertTrue(Map.class.isAssignableFrom(map.getClass()));
} }
@Test @Test
public void loadExamples() throws ScriptException { public void loadExamples() throws ScriptException {
Object loadResult = engine.eval("load('classpath:js/script.js');" + Object loadResult = engine.eval("load('classpath:js/script.js');" + "increment(5)");
"increment(5)");
Assert.assertEquals(6.0, loadResult); Assert.assertEquals(6.0, loadResult);
Object math = engine.eval("var math = loadWithNewGlobal('classpath:js/math_module.js');" + Object math = engine.eval("var math = loadWithNewGlobal('classpath:js/math_module.js');" + "math.increment(5);");
"math.increment(5);");
Assert.assertEquals(6.0, math); Assert.assertEquals(6.0, math);
} }