DirectoryManagerTest.java

package com.sandwich.util.io;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

import com.sandwich.koan.path.CommandLineTestCase;
import com.sandwich.util.io.directories.DirectoryManager;


public class DirectoryManagerTest extends CommandLineTestCase {
	
	private static final String sep = System.getProperty("file.separator");
	private static final String start =
			System.getProperty("os.name").toLowerCase().contains("windows") ?
					"" : sep;
	
	@Test
	public void testFileSeparatorInjection_happyPath() throws Exception {
		assertEquals(start+"home"+sep+"wilford"+sep+"liberty", DirectoryManager.injectFileSystemSeparators(
				"home", "wilford", "liberty"));
	}
	
	@Test
	public void testFileSeparatorInjection_separatorsAtBeginning() throws Exception {
		assertEquals(start+"home"+sep+"wilford"+sep+"liberty", DirectoryManager.injectFileSystemSeparators(
				sep+"home", sep+"wilford", sep+"liberty"));
	}
	
	@Test
	public void testFileSeparatorInjection_separatorsAtEnding() throws Exception {
		assertEquals(start+"home"+sep+"wilford"+sep+"liberty", DirectoryManager.injectFileSystemSeparators(
				"home"+sep, "wilford"+sep, "liberty"+sep));
	}
	
	@Test
	public void testFileSeparatorInjection_separatorsAtBeginningAndEnding() throws Exception {
		assertEquals(start+"home"+sep+"wilford"+sep+"liberty", DirectoryManager.injectFileSystemSeparators(
				"home"+sep, "wilford"+sep, sep+"liberty"+sep));
	}
	
	@Test
	public void testFileSeparatorInjection_separatorsInMiddle() throws Exception {
		assertEquals(start+"home"+sep+"wilford"+sep+"liberty", DirectoryManager.injectFileSystemSeparators(
				"home", "wilford"+sep+"liberty"));
	}
	
	@Test
	public void testWindowsFileSystemPathWithSpaces() throws Exception {
		String osName = System.getProperty("os.name");
		try{
			System.setProperty("os.name", "Windows ME");
			assertEquals("Documents and Settings", DirectoryManager.injectFileSystemSeparators("Documents%20and%20Settings"));
		}finally{
			System.setProperty("os.name", osName);
		}
	}
	
	@Test
	public void testNonWindowsFileSystemPathWithSpaces() throws Exception {
		String osName = System.getProperty("os.name");
		try{
			System.setProperty("os.name", "Not MS");
			assertEquals(sep+"Documents%20and%20Settings", DirectoryManager.injectFileSystemSeparators("Documents%20and%20Settings"));
		}finally{
			System.setProperty("os.name", osName);
		}
	}
}