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JAVA-1749 Move modules language interop and console

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This commit is contained in:
mikr
2020-06-07 13:22:16 +02:00
parent 76dbb91058
commit 4cb07819f3
17 changed files with 214 additions and 9 deletions
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20
core-java-modules/core-java/src/test/java/com/baeldung/asciiart/AsciiArtIntegrationTest.java
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package com.baeldung.asciiart;
import java.awt.Font;
import org.junit.Test;
import com.baeldung.asciiart.AsciiArt.Settings;
public class AsciiArtIntegrationTest {
@Test
public void givenTextWithAsciiCharacterAndSettings_shouldPrintAsciiArt() {
AsciiArt asciiArt = new AsciiArt();
String text = "BAELDUNG";
Settings settings = asciiArt.new Settings(new Font("SansSerif", Font.BOLD, 24), text.length() * 30, 30); // 30 pixel width per character
asciiArt.drawString(text, "*", settings);
}
}

113
core-java-modules/core-java/src/test/java/com/baeldung/scripting/NashornUnitTest.java
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package com.baeldung.scripting;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import javax.script.Bindings;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import java.io.InputStreamReader;
import java.util.List;
import java.util.Map;
public class NashornUnitTest {
private ScriptEngine engine;
@Before
public void setUp() {
engine = new ScriptEngineManager().getEngineByName("nashorn");
}
@Test
public void trim() throws ScriptException {
engine.eval(new InputStreamReader(NashornUnitTest.class.getResourceAsStream("/js/trim.js")));
}
@Test
public void locations() throws ScriptException {
engine.eval(new InputStreamReader(NashornUnitTest.class.getResourceAsStream("/js/locations.js")));
}
@Test
public void bindProperties() throws ScriptException {
engine.eval(new InputStreamReader(NashornUnitTest.class.getResourceAsStream("/js/bind.js")));
}
@Test
public void magicMethods() throws ScriptException {
engine.eval("var demo = load('classpath:js/no_such.js');" + "var tmp = demo.doesNotExist;" + "var none = demo.callNonExistingMethod()");
}
@Test
public void typedArrays() throws ScriptException {
engine.eval(new InputStreamReader(NashornUnitTest.class.getResourceAsStream("/js/typed_arrays.js")));
}
@Test
public void basicUsage() throws ScriptException {
Object result = engine.eval("var greeting='hello world';" + "print(greeting);" + "greeting");
Assert.assertEquals("hello world", result);
}
@Test
public void jsonObjectExample() throws ScriptException {
Object obj = engine.eval("Java.asJSONCompatible({ number: 42, greet: 'hello', primes: [2,3,5,7,11,13] })");
Map<String, Object> map = (Map<String, Object>) obj;
Assert.assertEquals("hello", map.get("greet"));
Assert.assertTrue(List.class.isAssignableFrom(map.get("primes").getClass()));
}
@Test
public void tryCatchGuard() throws ScriptException {
engine.eval("var math = loadWithNewGlobal('classpath:js/math_module.js');" + "math.failFunc();");
}
@Test
public void extensionsExamples() throws ScriptException {
String script = "var list = [1, 2, 3, 4, 5];" + "var result = '';" + "for each (var i in list) {" + "result+=i+'-';" + "};" + "print(result);";
engine.eval(script);
}
@Test
public void bindingsExamples() throws ScriptException {
Bindings bindings = engine.createBindings();
bindings.put("count", 3);
bindings.put("name", "baeldung");
String script = "var greeting='Hello ';" + "for(var i=count;i>0;i--) { " + "greeting+=name + ' '" + "}" + "greeting";
Object bindingsResult = engine.eval(script, bindings);
Assert.assertEquals("Hello baeldung baeldung baeldung ", bindingsResult);
}
@Test
public void jvmBoundaryExamples() throws ScriptException, NoSuchMethodException {
engine.eval("function composeGreeting(name) {" + "return 'Hello ' + name" + "}");
Invocable invocable = (Invocable) engine;
Object funcResult = invocable.invokeFunction("composeGreeting", "baeldung");
Assert.assertEquals("Hello baeldung", funcResult);
Object map = engine.eval("var HashMap = Java.type('java.util.HashMap');" + "var map = new HashMap();" + "map.put('hello', 'world');" + "map");
Assert.assertTrue(Map.class.isAssignableFrom(map.getClass()));
}
@Test
public void loadExamples() throws ScriptException {
Object loadResult = engine.eval("load('classpath:js/script.js');" + "increment(5)");
Assert.assertEquals(6, ((Double) loadResult).intValue());
Object math = engine.eval("var math = loadWithNewGlobal('classpath:js/math_module.js');" + "math.increment(5);");
Assert.assertEquals(6.0, math);
}
}