JavaCodeFormatterFacadeTest.java

package krasa.formatter.eclipse;

import java.io.UnsupportedEncodingException;

import org.junit.Before;
import org.junit.Test;

import com.intellij.openapi.command.impl.DummyProject;
import com.intellij.openapi.project.Project;
import com.intellij.psi.util.PsiUtilCore;

import junit.framework.Assert;
import krasa.formatter.settings.Settings;

/**
 * @author Vojtech Krasa
 */
public class JavaCodeFormatterFacadeTest {

	public static final String INPUT = "public class EclipseCodeFormatterFacadeTest {\n"
			+ "\n"
			+ "\t                 public static final String INPUT = \"ღმ⠀⠑⠁⠞色は匂へど 散りぬるを⠀⠛⠇⠁⠎⠎⠀⠁⠝⠙⠀⠊⠞⠀⠙⠕⠑⠎⠝⠞⠀⠓⠥⠗⠞⠀⠍⠑ერთსი შემვედრე, ნუთუ კვლა დამხსნას სოფლისა შრომასა, ცეცხლს, წყალსა და მიწასა, ჰაერთა თანა მრომასა; მომცნეს ფრთენი და აღვფრინდე, მივჰხვდე მას ჩემსა ნდომასა, დღისით და ღამით ვჰხედვიდე யாமறிந்த மொழிகளி+ěščřრუსთაველიžýáíé=ê¹ś¿źæñ³ó\";\n"
			+ "\n"
			+ "\t@Test\n"
			+ "\tpublic void testFormat() throws                      Exception {\n"
			+ "\t\t           String pathToCo色は匂へどnfigFile = \"org.eclipse.jdt.core.prefs\";\n"
			+ "\t\t                     EclipseCodeFormatterFacade   "
			+ ""
			+ ""
			+ ""
			+ ""
			+ "       eclipseCodeFormatterFacade = new EclipseCodeFormatterFacade(pathToConfigFile);\n"
			+ "\t\tString output                   =                 eclipseCodeFormatterFacade.format(INPUT, Settings.LINE_SEPARATOR);\n"
			+ "\t\tAssert.                 assertEquals(INPUT,                 output);\n" + "\n" + "\t}\n" + "}";

	public static final String INPUT2 = "package krasa;\n" + "\n" + "import org.xml.sax.InputSource;\n" + "\n" + "\n"
			+ "/**\n" + "                   *                         @author Vojtech Krasa\n"
			+ "                  */\n" + "public            class Test2 {\n" + "\n"
			+ "\t                       public static final InputSource INPUT_SOURCE = new InputSource();\n" + "\n"
			+ "\tpublic                 static void main(String[]           args) {\n" + "\n"
			+ "\t\tSystem.err.println(\"\" + \"\" + \"\" + \"\" + \"\");\n"
			+ "\t\t          System.err.println(\"\" + \"\" + \"\" + \"\" + \"\");\n" + "\n" + "\t}\n" + "\n" + "}";

	public static final String FORMATTED = "public class EclipseCodeFormatterFacadeTest {\n"
			+ "\n"
			+ "\tpublic static final String INPUT = \"ღმ⠀⠑⠁⠞色は匂へど 散りぬるを⠀⠛⠇⠁⠎⠎⠀⠁⠝⠙⠀⠊⠞⠀⠙⠕⠑⠎⠝⠞⠀⠓⠥⠗⠞⠀⠍⠑ერთსი შემვედრე, ნუთუ კვლა დამხსნას სოფლისა შრომასა, ცეცხლს, წყალსა და მიწასა, ჰაერთა თანა მრომასა; მომცნეს ფრთენი და აღვფრინდე, მივჰხვდე მას ჩემსა ნდომასა, დღისით და ღამით ვჰხედვიდე யாமறிந்த மொழிகளி+ěščřრუსთაველიžýáíé=ê¹ś¿źæñ³ó\";\n"
			+ "\n"
			+ "\t@Test\n"
			+ "\tpublic void testFormat() throws Exception {\n"
			+ "\t\tString pathToCo色は匂へどnfigFile = \"org.eclipse.jdt.core.prefs\";\n"
			+ "\t\tEclipseCodeFormatterFacade eclipseCodeFormatterFacade = new EclipseCodeFormatterFacade(pathToConfigFile);\n"
			+ "\t\tString output = eclipseCodeFormatterFacade.format(INPUT, Settings.LINE_SEPARATOR);\n"
			+ "\t\tAssert.assertEquals(INPUT, output);\n" + "\n" + "\t}\n" + "}";
	public static final String FORMATTED2 = "package krasa;\n" + "\n" + "import org.xml.sax.InputSource;\n" + "\n"
			+ "/**\n" + " * @author Vojtech Krasa\n" + " */\n" + "public class Test2 {\n" + "\n"
			+ "\tpublic static final InputSource INPUT_SOURCE = new InputSource();\n" + "\n"
			+ "\tpublic static void main(String[] args) {\n" + "\n"
			+ "\t\tSystem.err.println(\"\" + \"\" + \"\" + \"\" + \"\");\n"
			+ "\t\tSystem.err.println(\"\" + \"\" + \"\" + \"\" + \"\");\n" + "\n" + "\t}\n" + "\n" + "}";

	public static final String PATH_TO_CONFIG_FILE = "resources/org.eclipse.jdt.core.prefs";

	private static final String INPUT_3 = "public class Class1 {\n" + "  private void method1(Event event) {\n"
			+ "    Map<String, Map<String, List<Index>>> indexes = event.getIndexes();\n" + "  }\n" + "}";

	private static final String EXPECTED_3 = "public class Class1 {\n" + "\tprivate void method1(Event event) {\n"
			+ "\t\tMap<String, Map<String, List<Index>>> indexes = event.getIndexes();\n" + "\t}\n" + "}";

	protected JavaCodeFormatterFacade eclipseCodeFormatterFacade;

	public static Project getProject() {
		return DummyProject.getInstance();
	}

	@Before
	public void setUp() throws Exception {
		Settings settings = new Settings();
		settings.setPathToConfigFileJava(PATH_TO_CONFIG_FILE);
		eclipseCodeFormatterFacade = new JavaCodeFormatterFacade(settings.getJavaProperties(),
				settings.getEclipseVersion(), getProject(), settings.getPathToEclipse());
	}

	@Test
	public void testFormat() throws Exception {
		String output = format(INPUT);
		Assert.assertEquals(FORMATTED, output);
		output = format(INPUT2);
		Assert.assertEquals(FORMATTED2, output);
	}

	private String format(String input) {
		return eclipseCodeFormatterFacade.format(input, 0, input.length(), PsiUtilCore.NULL_PSI_FILE);
	}

	@Test
	public void testFormatByXML() throws Exception {
		Settings settings = new Settings();
		settings.setPathToConfigFileJava("resources/format.xml");
		settings.setSelectedJavaProfile("kuk");
		eclipseCodeFormatterFacade = new JavaCodeFormatterFacade(settings.getJavaProperties(),
				settings.getEclipseVersion(), getProject(), settings.getPathToEclipse());
		String output = format(INPUT);
		Assert.assertEquals(FORMATTED, output);
		output = format(INPUT2);
		Assert.assertEquals(FORMATTED2, output);
	}

	@Test
	public void testFormatByEPF() throws Exception {
		Settings settings = new Settings();
		settings.setPathToConfigFileJava("resources/mechanic-formatter.epf");
		eclipseCodeFormatterFacade = new JavaCodeFormatterFacade(settings.getJavaProperties(),
				settings.getEclipseVersion(), getProject(), settings.getPathToEclipse());
		String output = format(INPUT);
		Assert.assertEquals(FORMATTED, output);
		output = format(INPUT2);
		Assert.assertEquals(FORMATTED2, output);
	}

	@Test
	public void testFormatByXML_assertionError() throws Exception {
		Settings settings = new Settings();
		settings.setPathToConfigFileJava("resources/format.xml");
		settings.setSelectedJavaProfile("kuk");

		eclipseCodeFormatterFacade = new JavaCodeFormatterFacade(settings.getJavaProperties(),
				settings.getEclipseVersion(), getProject(), settings.getPathToEclipse());
		String output = format(INPUT_3);
		Assert.assertEquals(EXPECTED_3, output);
	}

	@Test
	public void testFormatByXML_oldFormatter() throws Exception {
		Settings settings = new Settings();
		settings.setPathToConfigFileJava("resources/format.xml");
		settings.setSelectedJavaProfile("kuk");
		settings.setUseOldEclipseJavaFormatter(true);
		eclipseCodeFormatterFacade = new JavaCodeFormatterFacade(settings.getJavaProperties(),
				settings.getEclipseVersion(), getProject(), settings.getPathToEclipse());
		String output = format(INPUT);
		Assert.assertEquals(FORMATTED, output);
		output = format(INPUT2);
		Assert.assertEquals(FORMATTED2, output);
	}

	@Test
	public void testFormatByXML_oldFormatter_againToTestClassloader() throws Exception {
		Settings settings = new Settings();
		settings.setPathToConfigFileJava("resources/format.xml");
		settings.setSelectedJavaProfile("kuk");
		settings.setUseOldEclipseJavaFormatter(true);
		eclipseCodeFormatterFacade = new JavaCodeFormatterFacade(settings.getJavaProperties(),
				settings.getEclipseVersion(), getProject(), settings.getPathToEclipse());
		String output = format(INPUT);
		Assert.assertEquals(FORMATTED, output);
		output = format(INPUT2);
		Assert.assertEquals(FORMATTED2, output);
	}

	@Test
	public void testFormat2() throws Exception {
		String input2 = INPUT2;
		String output = eclipseCodeFormatterFacade.format(input2, 10, input2.length() - 10, PsiUtilCore.NULL_PSI_FILE);
		Assert.assertEquals(FORMATTED2, output);
	}

	@Test
	public void testEndOffset() throws Exception {
		String input2 = FORMATTED2;
		String output = eclipseCodeFormatterFacade.format(input2, input2.length() - 20, input2.length() - 10,
				PsiUtilCore.NULL_PSI_FILE);
		Assert.assertEquals(FORMATTED2, output);
		input2 = INPUT;
		eclipseCodeFormatterFacade.format(input2, input2.length() - 20, input2.length() - 10,
				PsiUtilCore.NULL_PSI_FILE);
	}

	public String convert(String s, String utf8) throws UnsupportedEncodingException {
		return new String(s.getBytes("UTF8"), utf8);
	}

}