/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.maven.shared.scriptinterpreter;
  
  import java.io.ByteArrayOutputStream;
  import java.io.File;
  import java.io.PrintStream;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  /**
   * Tests the Groovy interpreter facade.
   *
   * @author Benjamin Bentmann
   */
  class GroovyScriptInterpreterTest {
      @Test
      void testEvaluateScript() throws Exception {
          ByteArrayOutputStream out = new ByteArrayOutputStream();
          try (ScriptInterpreter interpreter = new GroovyScriptInterpreter()) {
              assertEquals(
                      Boolean.TRUE,
                      interpreter.evaluateScript("print \"Test\"\nreturn true", null, new PrintStream(out)));
          }
          assertEquals("Test", out.toString());
      }
  
      @Test
      void testEvaluateScriptWithDefaultClassPath() throws Exception {
          ByteArrayOutputStream out = new ByteArrayOutputStream();
          try (ScriptInterpreter interpreter = new GroovyScriptInterpreter()) {
              assertEquals(
                      Boolean.TRUE,
                      interpreter.evaluateScript(
                              "print getClass().getResource( \"/class-path.txt\" ).getPath().toURI().getPath()\nreturn true",
                              null,
                              new PrintStream(out)));
          }
  
          String testClassPath =
                  new File("target/test-classes/class-path.txt").toURI().getPath();
          assertEquals(testClassPath, out.toString());
      }
  
      @Test
      void testEvaluateScriptWithCustomClassPath() throws Exception {
          ByteArrayOutputStream out = new ByteArrayOutputStream();
          try (ScriptInterpreter interpreter = new GroovyScriptInterpreter()) {
  
              List<String> classPath = Collections.singletonList(new File("src/test-class-path").getAbsolutePath());
              interpreter.setClassPath(classPath);
  
              assertEquals(
                      Boolean.TRUE,
                      interpreter.evaluateScript(
                              "print getClass().getResource( \"/class-path.txt\" ).getPath().toURI().getPath()\nreturn true",
                              null,
                              new PrintStream(out)));
          }
  
          String testClassPath =
                  new File("src/test-class-path/class-path.txt").toURI().getPath();
          assertEquals(testClassPath, out.toString());
      }
  
      @Test
      void testEvaluateScriptVars() throws Exception {
          Map<String, Object> vars = new HashMap<>();
          vars.put("testVar", "data");
          ByteArrayOutputStream out = new ByteArrayOutputStream();
          try (ScriptInterpreter interpreter = new GroovyScriptInterpreter()) {
              assertEquals(
                      Boolean.TRUE, interpreter.evaluateScript("print testVar\nreturn true", vars, new PrintStream(out)));
          }
          assertEquals("data", out.toString());
      }
  }