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package org.scijava.io.location;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.io.File;
import java.net.URI;
import java.net.URISyntaxException;

import org.junit.Test;
import org.scijava.Context;

/**
 * Tests {@link LocationService}.
 * 
 * @author Gabriel Einsdorf
 * @author Curtis Rueden
 */
public class LocationServiceTest {

	@Test
	public void testResolve() throws URISyntaxException {
		final Context ctx = new Context(LocationService.class);
		final LocationService loc = ctx.getService(LocationService.class);

		final URI uri = new File(new File(".").getAbsolutePath()).toURI();
		final LocationResolver res = loc.getHandler(uri);

		assertTrue(res instanceof FileLocationResolver);
		assertEquals(uri, res.resolve(uri).getURI());
		assertEquals(uri, loc.resolve(uri).getURI());
		assertEquals(uri, loc.resolve(uri.toString()).getURI());
	}

	@Test
	public void testResolveWindowsPath() throws URISyntaxException {
		final Context ctx = new Context(LocationService.class);
		final LocationService loc = ctx.getService(LocationService.class);

		String pSlash = "C:/Windows/FilePath/image.tif";
		final Location locSlash = loc.resolve(pSlash);
		assertTrue(locSlash instanceof FileLocation);

		String pBackslash = pSlash.replace('/', '\\');
		final Location locBackslash = loc.resolve(pBackslash);
		assertTrue(locBackslash instanceof FileLocation);

		final Location locSlashURI = loc.resolve(new URI(pSlash));
		assertNull(locSlashURI);
	}

	@Test
	public void testFallBack() throws URISyntaxException {
		final Context ctx = new Context(LocationService.class);
		final LocationService loc = ctx.getService(LocationService.class);

		final String uri = new File(".").getAbsolutePath();
		final Location res = loc.resolve(uri);

		assertTrue(res instanceof FileLocation);
		FileLocation resFile = (FileLocation) res;
		assertEquals(uri, resFile.getFile().getAbsolutePath());
	}

}
