TestJarIndexLoneClass.java

/*******************************************************************************
 * Copyright (c) 2015 Jeff Martin.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public
 * License v3.0 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * Contributors:
 * Jeff Martin - initial API and implementation
 ******************************************************************************/
package cuchaz.enigma;

import static cuchaz.enigma.TestEntryFactory.newClass;
import static cuchaz.enigma.TestEntryFactory.newField;
import static cuchaz.enigma.TestEntryFactory.newFieldReferenceByConstructor;
import static cuchaz.enigma.TestEntryFactory.newFieldReferenceByMethod;
import static cuchaz.enigma.TestEntryFactory.newMethod;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.hamcrest.Matchers.empty;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.nullValue;

import java.util.Collection;
import java.util.Set;
import java.util.jar.JarFile;

import org.junit.Test;

import cuchaz.enigma.analysis.Access;
import cuchaz.enigma.analysis.ClassImplementationsTreeNode;
import cuchaz.enigma.analysis.ClassInheritanceTreeNode;
import cuchaz.enigma.analysis.EntryReference;
import cuchaz.enigma.analysis.JarIndex;
import cuchaz.enigma.analysis.MethodInheritanceTreeNode;
import cuchaz.enigma.mapping.BehaviorEntry;
import cuchaz.enigma.mapping.ClassEntry;
import cuchaz.enigma.mapping.FieldEntry;
import cuchaz.enigma.mapping.MethodEntry;
import cuchaz.enigma.mapping.Translator;

public class TestJarIndexLoneClass
{
	
	private JarIndex m_index;
	
	public TestJarIndexLoneClass() throws Exception
	{
		m_index = new JarIndex();
		m_index.indexJar(new JarFile("build/testLoneClass.obf.jar"), false);
	}
	
	@Test
	public void obfEntries()
	{
		assertThat(
			m_index.getObfClassEntries(),
			containsInAnyOrder(newClass("cuchaz/enigma/inputs/Keep"),
				newClass("none/a")));
	}
	
	@Test
	public void translationIndex()
	{
		assertThat(
			m_index.getTranslationIndex().getSuperclass(
				new ClassEntry("none/a")), is(nullValue()));
		assertThat(
			m_index.getTranslationIndex().getSuperclass(
				new ClassEntry("cuchaz/enigma/inputs/Keep")), is(nullValue()));
		assertThat(
			m_index.getTranslationIndex().getAncestry(new ClassEntry("none/a")),
			is(empty()));
		assertThat(
			m_index.getTranslationIndex().getAncestry(
				new ClassEntry("cuchaz/enigma/inputs/Keep")), is(empty()));
		assertThat(
			m_index.getTranslationIndex().getSubclass(new ClassEntry("none/a")),
			is(empty()));
		assertThat(
			m_index.getTranslationIndex().getSubclass(
				new ClassEntry("cuchaz/enigma/inputs/Keep")), is(empty()));
	}
	
	@Test
	public void access()
	{
		assertThat(
			m_index.getAccess(newField("none/a", "a", "Ljava/lang/String;")),
			is(Access.Private));
		assertThat(
			m_index.getAccess(newMethod("none/a", "a", "()Ljava/lang/String;")),
			is(Access.Public));
		assertThat(
			m_index.getAccess(newField("none/a", "b", "Ljava/lang/String;")),
			is(nullValue()));
		assertThat(m_index.getAccess(newField("none/a", "a", "LFoo;")),
			is(nullValue()));
	}
	
	@Test
	public void classInheritance()
	{
		ClassInheritanceTreeNode node =
			m_index.getClassInheritance(new Translator(), newClass("none/a"));
		assertThat(node, is(not(nullValue())));
		assertThat(node.getObfClassName(), is("none/a"));
		assertThat(node.getChildCount(), is(0));
	}
	
	@Test
	public void methodInheritance()
	{
		MethodEntry source = newMethod("none/a", "a", "()Ljava/lang/String;");
		MethodInheritanceTreeNode node =
			m_index.getMethodInheritance(new Translator(), source);
		assertThat(node, is(not(nullValue())));
		assertThat(node.getMethodEntry(), is(source));
		assertThat(node.getChildCount(), is(0));
	}
	
	@Test
	public void classImplementations()
	{
		ClassImplementationsTreeNode node =
			m_index.getClassImplementations(new Translator(),
				newClass("none/a"));
		assertThat(node, is(nullValue()));
	}
	
	@Test
	public void methodImplementations()
	{
		MethodEntry source = newMethod("none/a", "a", "()Ljava/lang/String;");
		assertThat(m_index.getMethodImplementations(new Translator(), source),
			is(empty()));
	}
	
	@Test
	public void relatedMethodImplementations()
	{
		Set<MethodEntry> entries =
			m_index.getRelatedMethodImplementations(newMethod("none/a", "a",
				"()Ljava/lang/String;"));
		assertThat(
			entries,
			containsInAnyOrder(newMethod("none/a", "a", "()Ljava/lang/String;")));
	}
	
	@Test
	@SuppressWarnings("unchecked")
	public void fieldReferences()
	{
		FieldEntry source = newField("none/a", "a", "Ljava/lang/String;");
		Collection<EntryReference<FieldEntry, BehaviorEntry>> references =
			m_index.getFieldReferences(source);
		assertThat(
			references,
			containsInAnyOrder(
				newFieldReferenceByConstructor(source, "none/a",
					"(Ljava/lang/String;)V"),
				newFieldReferenceByMethod(source, "none/a", "a",
					"()Ljava/lang/String;")));
	}
	
	@Test
	public void behaviorReferences()
	{
		assertThat(m_index.getBehaviorReferences(newMethod("none/a", "a",
			"()Ljava/lang/String;")), is(empty()));
	}
	
	@Test
	public void innerClasses()
	{
		assertThat(m_index.getInnerClasses(newClass("none/a")), is(empty()));
	}
	
	@Test
	public void outerClass()
	{
		assertThat(m_index.getOuterClass(newClass("a")), is(nullValue()));
	}
	
	@Test
	public void isAnonymousClass()
	{
		assertThat(m_index.isAnonymousClass(newClass("none/a")), is(false));
	}
	
	@Test
	public void interfaces()
	{
		assertThat(m_index.getInterfaces("none/a"), is(empty()));
	}
	
	@Test
	public void implementingClasses()
	{
		assertThat(m_index.getImplementingClasses("none/a"), is(empty()));
	}
	
	@Test
	public void isInterface()
	{
		assertThat(m_index.isInterface("none/a"), is(false));
	}
	
	@Test
	public void contains()
	{
		assertThat(m_index.containsObfClass(newClass("none/a")), is(true));
		assertThat(m_index.containsObfClass(newClass("none/b")), is(false));
		assertThat(m_index.containsObfField(newField("none/a", "a",
			"Ljava/lang/String;")), is(true));
		assertThat(m_index.containsObfField(newField("none/a", "b",
			"Ljava/lang/String;")), is(false));
		assertThat(m_index.containsObfField(newField("none/a", "a", "LFoo;")),
			is(false));
		assertThat(m_index.containsObfBehavior(newMethod("none/a", "a",
			"()Ljava/lang/String;")), is(true));
		assertThat(m_index.containsObfBehavior(newMethod("none/a", "b",
			"()Ljava/lang/String;")), is(false));
	}
}