/*
    *    Copyright 2009-2024 the original author or authors.
    *
    *    Licensed 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
    *
    *       https://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.ibatis.io;
  
  import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import java.io.File;
  import java.io.FileNotFoundException;
  import java.io.FileWriter;
  import java.io.IOException;
  import java.nio.charset.StandardCharsets;
  import java.nio.file.Files;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  class ExternalResourcesTest {
  
    private File sourceFile;
    private File destFile;
    private File badFile;
    private File tempFile;
  
    /*
     * @throws java.lang.Exception
     */
    @BeforeEach
    void setUp() throws Exception {
      tempFile = Files.createTempFile("migration", "properties").toFile();
      tempFile.canWrite();
      sourceFile = Files.createTempFile("test1", "sql").toFile();
      destFile = Files.createTempFile("test2", "sql").toFile();
    }
  
    @Test
    void testcopyExternalResource() {
      assertDoesNotThrow(() -> {
        ExternalResources.copyExternalResource(sourceFile, destFile);
      });
  
    }
  
    @Test
    void testcopyExternalResource_fileNotFound() {
  
      try {
        badFile = new File("/tmp/nofile.sql");
        ExternalResources.copyExternalResource(badFile, destFile);
      } catch (IOException e) {
        assertTrue(e instanceof FileNotFoundException);
      }
  
    }
  
    @Test
    void testcopyExternalResource_emptyStringAsFile() {
  
      try {
        badFile = new File(" ");
        ExternalResources.copyExternalResource(badFile, destFile);
      } catch (Exception e) {
        assertTrue(e instanceof FileNotFoundException);
      }
  
    }
  
    @Test
    void getConfiguredTemplate() {
      String templateName = "";
  
      try (FileWriter fileWriter = new FileWriter(tempFile, StandardCharsets.UTF_8)) {
        fileWriter.append("new_command.template=templates/col_new_template_migration.sql");
        fileWriter.flush();
        templateName = ExternalResources.getConfiguredTemplate(tempFile.getAbsolutePath(), "new_command.template");
        assertEquals("templates/col_new_template_migration.sql", templateName);
      } catch (Exception e) {
        fail("Test failed with execption: " + e.getMessage());
      }
    }
  
    @AfterEach
    void cleanUp() {
     sourceFile.delete();
     destFile.delete();
     tempFile.delete();
   }
 }