org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheEntryTest.java

/*
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 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Distribution License v1.0 which
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package org.eclipse.jgit.dircache;

import junit.framework.TestCase;

import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;

public class DirCacheEntryTest extends TestCase {
	public void testIsValidPath() {
		assertTrue(isValidPath("a"));
		assertTrue(isValidPath("a/b"));
		assertTrue(isValidPath("ab/cd/ef"));

		assertFalse(isValidPath(""));
		assertFalse(isValidPath("/a"));
		assertFalse(isValidPath("a//b"));
		assertFalse(isValidPath("ab/cd//ef"));
		assertFalse(isValidPath("a/"));
		assertFalse(isValidPath("ab/cd/ef/"));
		assertFalse(isValidPath("a\u0000b"));
	}

	private static boolean isValidPath(final String path) {
		return DirCacheEntry.isValidPath(Constants.encode(path));
	}

	public void testCreate_ByStringPath() {
		assertEquals("a", new DirCacheEntry("a").getPathString());
		assertEquals("a/b", new DirCacheEntry("a/b").getPathString());

		try {
			new DirCacheEntry("/a");
			fail("Incorrectly created DirCacheEntry");
		} catch (IllegalArgumentException err) {
			assertEquals("Invalid path: /a", err.getMessage());
		}
	}

	public void testCreate_ByStringPathAndStage() {
		DirCacheEntry e;

		e = new DirCacheEntry("a", 0);
		assertEquals("a", e.getPathString());
		assertEquals(0, e.getStage());

		e = new DirCacheEntry("a/b", 1);
		assertEquals("a/b", e.getPathString());
		assertEquals(1, e.getStage());

		e = new DirCacheEntry("a/c", 2);
		assertEquals("a/c", e.getPathString());
		assertEquals(2, e.getStage());

		e = new DirCacheEntry("a/d", 3);
		assertEquals("a/d", e.getPathString());
		assertEquals(3, e.getStage());

		try {
			new DirCacheEntry("/a", 1);
			fail("Incorrectly created DirCacheEntry");
		} catch (IllegalArgumentException err) {
			assertEquals("Invalid path: /a", err.getMessage());
		}

		try {
			new DirCacheEntry("a", -11);
			fail("Incorrectly created DirCacheEntry");
		} catch (IllegalArgumentException err) {
			assertEquals("Invalid stage -11 for path a", err.getMessage());
		}

		try {
			new DirCacheEntry("a", 4);
			fail("Incorrectly created DirCacheEntry");
		} catch (IllegalArgumentException err) {
			assertEquals("Invalid stage 4 for path a", err.getMessage());
		}
	}

	public void testSetFileMode() {
		final DirCacheEntry e = new DirCacheEntry("a");

		assertEquals(0, e.getRawMode());

		e.setFileMode(FileMode.REGULAR_FILE);
		assertSame(FileMode.REGULAR_FILE, e.getFileMode());
		assertEquals(FileMode.REGULAR_FILE.getBits(), e.getRawMode());

		e.setFileMode(FileMode.EXECUTABLE_FILE);
		assertSame(FileMode.EXECUTABLE_FILE, e.getFileMode());
		assertEquals(FileMode.EXECUTABLE_FILE.getBits(), e.getRawMode());

		e.setFileMode(FileMode.SYMLINK);
		assertSame(FileMode.SYMLINK, e.getFileMode());
		assertEquals(FileMode.SYMLINK.getBits(), e.getRawMode());

		e.setFileMode(FileMode.GITLINK);
		assertSame(FileMode.GITLINK, e.getFileMode());
		assertEquals(FileMode.GITLINK.getBits(), e.getRawMode());

		try {
			e.setFileMode(FileMode.MISSING);
			fail("incorrectly accepted FileMode.MISSING");
		} catch (IllegalArgumentException err) {
			assertEquals("Invalid mode 0 for path a", err.getMessage());
		}

		try {
			e.setFileMode(FileMode.TREE);
			fail("incorrectly accepted FileMode.TREE");
		} catch (IllegalArgumentException err) {
			assertEquals("Invalid mode 40000 for path a", err.getMessage());
		}
	}
}