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How to use JsEngine class of com.intuit.karate.graal package
Best Karate code snippet using com.intuit.karate.graal.JsEngine
Source:JsEngineTest.java 
...17/**18 *19 * @author pthomas320 */21class JsEngineTest {22 static final Logger logger = LoggerFactory.getLogger(JsEngineTest.class);23 JsEngine je;24 @BeforeEach25 void beforeEach() {26 je = JsEngine.global();27 }28 @AfterEach29 void afterEach() {30 JsEngine.remove();31 }32 @Test33 void testFunctionExecute() {34 JsValue v = je.eval("(function(){ return ['a', 'b', 'c'] })");35 JsValue res = new JsValue(JsEngine.execute(v.getOriginal()));36 assertTrue(res.isArray());37 assertEquals("[\"a\",\"b\",\"c\"]", res.toJsonOrXmlString(false));38 assertEquals("function(){ return ['a', 'b', 'c'] }", v.toString());39 }40 @Test41 void testArrowFunctionZeroArg() {42 JsValue v = je.eval("() => ['a', 'b', 'c']");43 assertTrue(v.isFunction());44 JsValue res = new JsValue(JsEngine.execute(v.getOriginal()));45 assertTrue(res.isArray());46 assertEquals("[\"a\",\"b\",\"c\"]", res.toJsonOrXmlString(false));47 assertEquals("() => ['a', 'b', 'c']", v.toString());48 }49 @Test50 void testJsFunctionToJavaFunction() {51 Value v = je.evalForValue("() => 'hello'");52 assertTrue(v.canExecute());53 Function temp = (Function) v.as(Object.class);54 String res = (String) temp.apply(null);55 assertEquals(res, "hello");56 v = je.evalForValue("(a, b) => a + b");57 assertTrue(v.canExecute());58 temp = v.as(Function.class);59 Number num = (Number) temp.apply(new Object[]{1, 2});60 assertEquals(num, 3);61 }62 @Test63 void testArrowFunctionReturnsObject() {64 Value v = je.evalForValue("() => { a: 1 }");65 assertTrue(v.canExecute());66 Value res = v.execute();67 // curly braces are interpreted as code blocks :(68 assertTrue(res.isNull());69 v = je.evalForValue("() => ({ a: 1 })");70 assertTrue(v.canExecute());71 res = v.execute();72 Match.that(res.as(Map.class)).isEqualTo("{ a: 1 }");73 }74 @Test75 void testArrowFunctionSingleArg() {76 JsValue v = je.eval("x => [x, x]");77 assertTrue(v.isFunction());78 JsValue res = new JsValue(JsEngine.execute(v.getOriginal(), 1));79 assertTrue(res.isArray());80 assertEquals("[1,1]", res.toJsonOrXmlString(false));81 assertEquals("x => [x, x]", v.toString());82 }83 @Test84 void testFunctionVariableExecute() {85 je.eval("var add = function(a, b){ return a + b }");86 JsValue jv = je.eval("add(1, 2)");87 assertEquals(jv.<Integer>getValue(), 3);88 }89 @Test90 void testJavaInterop() {91 je.eval("var SimplePojo = Java.type('com.intuit.karate.graal.SimplePojo')");92 JsValue sp = je.eval("new SimplePojo()");...
Source:VariableTest.java
1package com.intuit.karate.core;2import com.intuit.karate.graal.JsValue;3import com.intuit.karate.graal.JsEngine;4import java.util.function.BiFunction;5import java.util.function.Function;6import org.graalvm.polyglot.Value;7import org.junit.jupiter.api.AfterEach;8import org.junit.jupiter.api.BeforeEach;9import org.junit.jupiter.api.Test;10import org.slf4j.Logger;11import org.slf4j.LoggerFactory;12import static org.junit.jupiter.api.Assertions.*;13/**14 *15 * @author pthomas316 */17public class VariableTest {18 static final Logger logger = LoggerFactory.getLogger(VariableTest.class);19 JsEngine je;20 @BeforeEach21 void beforeEach() {22 je = JsEngine.global();23 }24 @AfterEach25 void afterEach() {26 JsEngine.remove();27 }28 @Test29 void testJsFunction() {30 JsValue jv = je.eval("(function(a, b){ return a + b })");31 Variable var = new Variable(jv);32 assertTrue(var.isJsFunction());33 assertFalse(var.isJavaFunction());34 JsValue res = new JsValue(JsEngine.execute(var.getValue(), new Object[]{1, 2}));35 assertEquals(3, res.<Integer>getValue());36 }37 @Test38 void testPojo() {39 JsValue jv = je.eval("new com.intuit.karate.core.SimplePojo()");40 assertTrue(jv.isOther());41 }42 @Test43 void testClass() {44 JsValue jv = je.eval("Java.type('com.intuit.karate.core.MockUtils')");45 assertTrue(jv.isOther());46 Variable v = new Variable(jv);47 assertEquals(v.type, Variable.Type.OTHER);48 assertTrue(v.getValue() instanceof Value);...
JsEngine
Using AI Code Generation
1import com.intuit.karate.graal.JsEngine;2import javax.script.ScriptContext;3import javax.script.ScriptEngine;4import javax.script.ScriptException;5public class 4 {6 public static void main(String[] args) throws ScriptException {7 ScriptEngine engine = JsEngine.jsEngine();8 engine.put("name", "John");9 engine.eval("print('Hello, ' + name)");10 }11}12import com.intuit.karate.graal.JsEngine;13import javax.script.ScriptContext;14import javax.script.ScriptEngine;15import javax.script.ScriptException;16public class 5 {17 public static void main(String[] args) throws ScriptException {18 ScriptEngine engine = JsEngine.jsEngine();19 engine.put("name", "John");20 engine.eval("print('Hello, ' + name)");21 }22}23import com.intuit.karate.graal.JsEngine;24import javax.script.ScriptContext;25import javax.script.ScriptEngine;26import javax.script.ScriptException;27public class 6 {28 public static void main(String[] args) throws ScriptException {29 ScriptEngine engine = JsEngine.jsEngine();30 engine.put("name", "John");31 engine.eval("print('Hello, ' + name)");32 }33}34import com.intuit.karate.graal.JsEngine;35import javax.script.ScriptContext;36import javax.script.ScriptEngine;37import javax.script.ScriptException;38public class 7 {39 public static void main(String[] args) throws ScriptException {40 ScriptEngine engine = JsEngine.jsEngine();41 engine.put("name", "John");42 engine.eval("print('Hello, ' + name)");43 }44}45import com.intuit.karate.graal.JsEngine;46import javax.script.ScriptContext;47import javax.script.ScriptEngine;48import javax.script.ScriptException;49public class 8 {50 public static void main(String[] args) throws ScriptException {51 ScriptEngine engine = JsEngine.jsEngine();52 engine.put("name", "
JsEngine
Using AI Code Generation
1import com.intuit.karate.graal.JsEngine;2import com.intuit.karate.graal.JsFunction;3import com.intuit.karate.graal.JsValue;4import java.util.HashMap;5import java.util.Map;6import javax.script.ScriptException;7public class 4 {8 public static void main(String[] args) throws ScriptException {9 JsEngine engine = JsEngine.start();10 JsValue jsValue = engine.eval("function add(a, b) { return a + b }");11 JsFunction jsFunction = jsValue.getAsFunction();12 Map<String, Object> map = new HashMap<>();13 map.put("a", 1);14 map.put("b", 2);15 Object result = jsFunction.call(map);16 System.out.println(result);17 }18}19import com.intuit.karate.graal.JsEngine;20import com.intuit.karate.graal.JsFunction;21import com.intuit.karate.graal.JsValue;22import java.util.HashMap;23import java.util.Map;24import javax.script.ScriptException;25public class 5 {26 public static void main(String[] args) throws ScriptException {27 JsEngine engine = JsEngine.start();28 JsValue jsValue = engine.eval("function add(a, b) { return a + b }");29 JsFunction jsFunction = jsValue.getAsFunction();30 Object result = jsFunction.call(1, 2);31 System.out.println(result);32 }33}34import com.intuit.karate.graal.JsEngine;35import com.intuit.karate.graal.JsFunction;36import com.intuit.karate.graal.JsValue;37import java.util.HashMap;38import java.util.Map;39import javax.script.ScriptException;40public class 6 {41 public static void main(String[] args) throws ScriptException {42 JsEngine engine = JsEngine.start();43 JsValue jsValue = engine.eval("function add(a, b) { return a + b }");44 JsFunction jsFunction = jsValue.getAsFunction();45 Object result = jsFunction.call(1, 2, 3);46 System.out.println(result);47 }48}
JsEngine
Using AI Code Generation
1import com.intuit.karate.graal.JsEngine;2import com.intuit.karate.graal.JsValue;3import java.util.HashMap;4import java.util.Map;5import java.util.concurrent.TimeUnit;6import java.util.concurrent.atomic.AtomicInteger;7import javax.script.ScriptException;8import org.graalvm.polyglot.Value;9import org.junit.Test;10import static org.junit.Assert.*;11public class JsEngineTest {12 public void testJsEngine() throws Exception {13 JsEngine engine = new JsEngine();14 engine.put("foo", "bar");15 JsValue result = engine.eval("foo");16 assertEquals("bar", result.getAsString());17 engine.put("foo", 123);18 result = engine.eval("foo");19 assertEquals(123, result.get());20 engine.put("foo", true);21 result = engine.eval("foo");22 assertEquals(true, result.getAsBoolean());23 Map<String, Object> map = new HashMap();24 map.put("foo", 123);25 engine.put("map", map);26 result = engine.eval("map.foo");27 assertEquals(123, result.get());28 engine.put("foo", new AtomicInteger(123));29 result = engine.eval("foo.incrementAndGet()");30 assertEquals(124, result.get());31 result = engine.eval("foo");32 assertEquals(124, result.get());33 engine.put("foo", new AtomicInteger(123));34 result = engine.eval("foo.incrementAndGet()");35 assertEquals(124, result.get());36 result = engine.eval("foo");37 assertEquals(124, result.get());38 result = engine.eval("function(x) { return x + 1; }");39 Value fn = result.get();
JsEngine
Using AI Code Generation
1package com.intuit.karate.graal;2import java.util.Map;3import java.util.HashMap;4import javax.script.ScriptEngine;5import javax.script.ScriptEngineManager;6import javax.script.ScriptException;7import javax.script.Invocable;8public class JsEngine {9 private final ScriptEngine engine;10 private final Invocable invocable;11 private final Map<String, Object> bindings;12 public JsEngine() {13 engine = new ScriptEngineManager().getEngineByName("nashorn");14 invocable = (Invocable) engine;15 bindings = new HashMap();16 }17 public JsEngine addBinding(String name, Object value) {18 bindings.put(name, value);19 return this;20 }21 public Object run(String code) {22 try {23 bindings.forEach((k, v) -> engine.put(k, v));24 return invocable.invokeFunction("eval", code);25 } catch (ScriptException | NoSuchMethodException e) {26 throw new RuntimeException(e);27 }28 }29 public Object run(String code, Map<String, Object> map) {30 map.forEach((k, v) -> engine.put(k, v));31 return run(code);32 }33 public Object run(String code, Object... args) {34 for (int i = 0; i < args.length; i += 2) {35 engine.put((String) args[i], args[i + 1]);36 }37 return run(code);38 }39}40package com.intuit.karate.graal;41import java.util.Map;42import javax.script.ScriptEngine;43import javax.script.ScriptEngineManager;44import javax.script.ScriptException;45import javax.script.Invocable;46public class JsEngine {47 private final ScriptEngine engine;48 private final Invocable invocable;49 private final Map<String, Object> bindings;50 public JsEngine() {51 engine = new ScriptEngineManager().getEngineByName("nashorn");52 invocable = (Invocable) engine;53 bindings = new HashMap();54 }55 public JsEngine addBinding(String name, Object value)
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Most used methods in JsEngine
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