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package org.scijava.script;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;

import java.io.File;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Date;
import java.util.List;

import javax.script.ScriptException;

import org.junit.Test;
import org.scijava.Context;
import org.scijava.util.AppUtils;
import org.scijava.util.ColorRGB;
import org.scijava.util.ColorRGBA;

/**
 * Tests the {@link DefaultScriptService}.
 * 
 * @author Curtis Rueden
 */
public class ScriptServiceTest {

	/**
	 * Tests that the "scijava.scripts.path" system property is handled correctly.
	 */
	@Test
	public void testSystemProperty() {
		final String slash = File.separator;
		final String sep = File.pathSeparator;
		final String root = new File(slash).getAbsolutePath();
		final String dir1 = root + "foo" + slash + "bar";
		final String dir2 = root + "to" + slash + "the" + slash + "moon";
		System.setProperty("scijava.scripts.path", dir1 + sep + dir2);

		final Context context = new Context(ScriptService.class);
		final ScriptService scriptService = context.service(ScriptService.class);

		final List<File> scriptDirs = scriptService.getScriptDirectories();
		assertEquals(3, scriptDirs.size());

		final File baseDir = AppUtils.getBaseDirectory(ScriptService.class);
		final String dir0 = baseDir.getPath() + slash + "scripts";
		assertEquals(dir0, scriptDirs.get(0).getAbsolutePath());
		assertEquals(dir1, scriptDirs.get(1).getAbsolutePath());
		assertEquals(dir2, scriptDirs.get(2).getAbsolutePath());
	}

	@Test
	public void testBuiltInAliases() throws ScriptException {
		final Context ctx = new Context(ScriptService.class);
		final ScriptService ss = ctx.service(ScriptService.class);

		final Class<?>[] builtIns = { boolean.class, byte.class, char.class,
			double.class, float.class, int.class, long.class, short.class,
			Boolean.class, Byte.class, Character.class, Double.class, Float.class,
			Integer.class, Long.class, Short.class, Context.class, BigDecimal.class,
			BigInteger.class, ColorRGB.class, ColorRGBA.class, Date.class, File.class,
			String.class };

		for (final Class<?> builtIn : builtIns) {
			final Class<?> c = ss.lookupClass(builtIn.getSimpleName());
			assertSame(builtIn, c);
		}

		ctx.dispose();
	}

	@Test
	public void testArrayAliases() throws ScriptException {
		final Context ctx = new Context(ScriptService.class);
		final ScriptService ss = ctx.service(ScriptService.class);

		final Class<?> pInt2D = ss.lookupClass("int[][]");
		assertSame(int[][].class, pInt2D);
		final Class<?> pInt1D = ss.lookupClass("int[]");
		assertSame(int[].class, pInt1D);
		final Class<?> pInt = ss.lookupClass("int");
		assertSame(int.class, pInt);

		final Class<?> oInt2D = ss.lookupClass("Integer[][]");
		assertSame(Integer[][].class, oInt2D);
		final Class<?> oInt1D = ss.lookupClass("Integer[]");
		assertSame(Integer[].class, oInt1D);
		final Class<?> oInt = ss.lookupClass("Integer");
		assertSame(Integer.class, oInt);

		final Class<?> str2D = ss.lookupClass("String[][]");
		assertSame(String[][].class, str2D);
		final Class<?> str1D = ss.lookupClass("String[]");
		assertSame(String[].class, str1D);
		final Class<?> str = ss.lookupClass("String");
		assertSame(String.class, str);

		ctx.dispose();
	}

}
