/*
    * Copyright (C) 2016, Ned Twigg <ned.twigg@diffplug.com> and others
    *
    * This program and the accompanying materials are made available under the
    * terms of the Eclipse Distribution License v. 1.0 which is available at
    * https://www.eclipse.org/org/documents/edl-v10.php.
    *
    * SPDX-License-Identifier: BSD-3-Clause
    */
  package org.eclipse.jgit.pgm;
  
  import static org.eclipse.jgit.junit.JGitTestUtil.check;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  import org.eclipse.jgit.api.Git;
  import org.eclipse.jgit.lib.CLIRepositoryTestCase;
  import org.junit.Test;
  
  public class CleanTest extends CLIRepositoryTestCase {
  	@Test
  	public void testCleanRequiresForce() throws Exception {
  		try (Git git = new Git(db)) {
  			assertArrayOfLinesEquals(
  					new String[] { "Removing a", "Removing b" },
  					execute("git clean"));
  		} catch (Die e) {
  			// TODO: should be "fatal: clean.requireForce defaults to true and
  			// neither -i, -n, nor -f given; refusing to clean" but we don't
  			// support -i yet. Fix this when/if we add support for -i.
  			assertEquals(
  					"fatal: clean.requireForce defaults to true and neither -n nor -f given; refusing to clean",
  					e.getMessage());
  		}
  	}
  
  	@Test
  	public void testCleanRequiresForceConfig() throws Exception {
  		try (Git git = new Git(db)) {
  			git.getRepository().getConfig().setBoolean("clean", null,
  					"requireForce", false);
  			assertArrayOfLinesEquals(
  					new String[] { "" },
  					execute("git clean"));
  		}
  	}
  
  	@Test
  	public void testCleanLeaveDirs() throws Exception {
  		try (Git git = new Git(db)) {
  			git.commit().setMessage("initial commit").call();
  
  			writeTrashFile("dir/file", "someData");
  			writeTrashFile("a", "someData");
  			writeTrashFile("b", "someData");
  
  			// all these files should be there
  			assertTrue(check(db, "a"));
  			assertTrue(check(db, "b"));
  			assertTrue(check(db, "dir/file"));
  
  			// dry run should make no change
  			assertArrayOfLinesEquals(
  					new String[] { "Removing a", "Removing b" },
  					execute("git clean -n"));
  			assertTrue(check(db, "a"));
  			assertTrue(check(db, "b"));
  			assertTrue(check(db, "dir/file"));
  
  			// force should make a change
  			assertArrayOfLinesEquals(
  					new String[] { "Removing a", "Removing b" },
  					execute("git clean -f"));
  			assertFalse(check(db, "a"));
  			assertFalse(check(db, "b"));
  			assertTrue(check(db, "dir/file"));
  		}
  	}
  
  	@Test
  	public void testCleanDeleteDirs() throws Exception {
  		try (Git git = new Git(db)) {
  			git.commit().setMessage("initial commit").call();
  
  			writeTrashFile("dir/file", "someData");
  			writeTrashFile("a", "someData");
  			writeTrashFile("b", "someData");
  
  			// all these files should be there
  			assertTrue(check(db, "a"));
  			assertTrue(check(db, "b"));
  			assertTrue(check(db, "dir/file"));
  
  			assertArrayOfLinesEquals(
  					new String[] { "Removing a", "Removing b",
  							"Removing dir/" },
  					execute("git clean -d -f"));
  			assertFalse(check(db, "a"));
 			assertFalse(check(db, "b"));
 			assertFalse(check(db, "dir/file"));
 		}
 	}
 }