How to use eval method of com.intuit.karate.graal.JsEngine class

Best Karate code snippet using com.intuit.karate.graal.JsEngine.eval

Source:JsEngineTest.java

...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()");93        Value ov = sp.getOriginal();94        assertTrue(ov.isHostObject());95        SimplePojo o = ov.as(SimplePojo.class);96        assertEquals(null, o.getFoo());97        assertEquals(0, o.getBar());98    }99    @Test100    void testJavaStaticMethod() {101        je.eval("var StaticPojo = Java.type('com.intuit.karate.graal.StaticPojo')");102        JsValue sp = je.eval("StaticPojo.sayHello");103        assertTrue(sp.isFunction());104        Value ov = sp.getOriginal();105        assertTrue(ov.canExecute());106        assertFalse(ov.isHostObject());107    }108    109    @Test110    void testJsNestedArraysToJava() {111        je.eval("var StaticPojo = Java.type('com.intuit.karate.graal.StaticPojo')");112        JsValue sp = je.eval("StaticPojo.convert({foo:[{a:1}]})");113        assertEquals("{\"foo\":{}}", sp.getAsString()); // bug fixed in graal 22.1114    }115    @Test116    void testJsOperations() {117        je.eval("var foo = { a: 1 }");118        JsValue v = je.eval("foo.a");119        Object val = v.getValue();120        assertEquals(val, 1);121    }122    @Test123    void testMapOperations() {124        Map<String, Object> map = new HashMap();125        map.put("foo", "bar");126        map.put("a", 1);127        map.put("child", Collections.singletonMap("baz", "ban"));128        je.put("map", map);129        JsValue v1 = je.eval("map.foo");130        assertEquals(v1.getValue(), "bar");131        JsValue v2 = je.eval("map.a");132        assertEquals(v2.<Integer>getValue(), 1);133        JsValue v3 = je.eval("map.child");134        assertEquals(v3.getValue(), Collections.singletonMap("baz", "ban"));135        JsValue v4 = je.eval("map.child.baz");136        assertEquals(v4.getValue(), "ban");137    }138    @Test139    void testListOperations() {140        je.eval("var temp = [{a: 1}, {b: 2}]");141        JsValue temp = je.eval("temp");142        je.put("items", temp.getValue());143        je.eval("items.push({c: 3})");144        JsValue items = je.eval("items");145        assertTrue(items.isArray());146        assertEquals(3, items.getAsList().size());147        je.eval("items.splice(0, 1)");148        items = je.eval("items");149        assertEquals(2, items.getAsList().size());150    }151    @Test152    void testRequestObject() {153        Request request = new Request();154        request.setMethod("GET");155        request.setPath("/index");156        Map<String, List<String>> params = new HashMap();157        params.put("hello", Collections.singletonList("world"));158        request.setParams(params);159        je.put("request", request);160        JsValue jv = je.eval("request.params['hello']");161        assertEquals(jv.getAsList(), Collections.singletonList("world"));162        jv = je.eval("request.param('hello')");163        assertEquals(jv.getValue(), "world");164    }165    @Test166    void testBoolean() {167        assertFalse(je.eval("1 == 2").isTrue());168        assertTrue(je.eval("1 == 1").isTrue());169    }170    @Test171    void testStringInterpolation() {172        je.put("name", "John");173        JsValue temp = je.eval("`hello ${name}`");174        assertEquals(temp.getValue(), "hello John");175    }176    @Test177    void testHostBytes() {178        JsValue v = je.eval("Java.type('com.intuit.karate.core.MockUtils')");179        je.put("Utils", v.getValue());180        JsValue val = je.eval("Utils.testBytes");181        assertEquals(MockUtils.testBytes, val.getOriginal().asHostObject());182    }183    @Test184    void testValueAndNull() {185        Value v = Value.asValue(null);186        assertNotNull(v);187        assertTrue(v.isNull());188        JsValue jv = new JsValue(v);189        assertTrue(jv.isNull());190        assertNull(jv.getValue());191    }192    @Test193    void testValueAndHostObject() {194        SimplePojo sp = new SimplePojo();195        Value v = Value.asValue(sp);196        assertTrue(v.isHostObject());197    }198    @Test199    void testJavaType() {200        Value v = je.evalForValue("Java.type('com.intuit.karate.graal.SimplePojo')");201        assertTrue(v.isMetaObject());202        assertTrue(v.isHostObject());203    }204    @Test205    void testJavaFunction() {206        Value v = je.evalForValue("Java.type('com.intuit.karate.graal.StaticPojo').sayHello");207        assertFalse(v.isMetaObject());208        assertFalse(v.isHostObject());209        assertTrue(v.canExecute());210    }211    @Test212    void testJavaFunctionFactory() {213        Value v = je.evalForValue("Java.type('com.intuit.karate.graal.StaticPojo').sayHelloFactory()");214        assertFalse(v.isMetaObject());215        assertTrue(v.isHostObject());216        assertTrue(v.canExecute());217    }218    @Test219    void testEvalWithinFunction() {220        Map<String, Object> map = new HashMap();221        map.put("a", 1);222        map.put("b", 2);223        String src = "a + b";224        Value function = je.evalForValue("x => { var a = x.a; var b = x.b; return " + src + "; }");225        assertTrue(function.canExecute());226        Value result = function.execute(JsValue.fromJava(map));227        assertEquals(result.asInt(), 3);228    }229    @Test230    void testEvalLocal() {231        Map<String, Object> map = new HashMap();232        map.put("a", 1);233        map.put("b", 2);234        Value result = je.evalWith(map, "a + b", true);235        assertEquals(result.asInt(), 3);236    }237    @Test238    void testEc6ArrayFilling() {239        je.eval("var repeat = n => Array.from({length: n}, (v, k) => k);");240        JsValue jv = je.eval("repeat(2)");241        assertTrue(jv.isArray());242        List list = jv.getAsList();243        assertEquals(0, list.get(0));244        assertEquals(1, list.get(1));245    }246    @Test247    void testEc6ArrayIncludes() {248        je.eval("var temp = ['a', 'b'];");249        JsValue jv = je.eval("temp.includes('a')");250        assertTrue(jv.isTrue());251    }252}...

eval

Using AI Code Generation

1def js = new com.intuit.karate.graal.JsEngine()2def result = js.eval('1+1')3logger.info(result)4def js = new com.intuit.karate.graal.JsEngine()5def result = js.eval('1+1')6logger.info(result)7def js = new com.intuit.karate.graal.JsEngine()8def result = js.eval('1+1')9logger.info(result)10def js = new com.intuit.karate.graal.JsEngine()11def result = js.eval('1+1')12logger.info(result)13def js = new com.intuit.karate.graal.JsEngine()14def result = js.eval('1+1')15logger.info(result)16def js = new com.intuit.karate.graal.JsEngine()17def result = js.eval('1+1')18logger.info(result)19def js = new com.intuit.karate.graal.JsEngine()20def result = js.eval('1+1')21logger.info(result)22def js = new com.intuit.karate.graal.JsEngine()23def result = js.eval('1+1')24logger.info(result)25def js = new com.intuit.karate.graal.JsEngine()26def result = js.eval('1+1')27logger.info(result)28def js = new com.intuit.karate.graal.JsEngine()29def result = js.eval('1+1')30logger.info(result)

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