Move T0007_Index to exttst

This test depends upon the external git binary, and this isn't
really a pure Java test like our module tries to claim itself is.
So we move it out to exttst with other tests that require additional
external resources and/or executable code.

Change-Id: Ic9be0280c8bb50a5768336c64de794eb0a492b3d
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

1 files changed, 460 insertions, 0 deletions

diff --git a/org.eclipse.jgit.test/exttst/org/eclipse/jgit/lib/T0007_GitIndexTest.java b/org.eclipse.jgit.test/exttst/org/eclipse/jgit/lib/T0007_GitIndexTest.java
new file mode 100644
index 0000000000..21dcdffbfd
--- /dev/null
+++ b/org.eclipse.jgit.test/exttst/org/eclipse/jgit/lib/T0007_GitIndexTest.java
@@ -0,0 +1,460 @@
+/*
+ * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
+ * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.eclipse.jgit.lib;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import org.eclipse.jgit.junit.LocalDiskRepositoryTestCase;
+import org.eclipse.jgit.lib.GitIndex.Entry;
+import org.eclipse.jgit.util.FS;
+
+public class T0007_GitIndexTest extends LocalDiskRepositoryTestCase {
+
+	static boolean canrungitstatus;
+	static {
+		try {
+			canrungitstatus = system(new File("."),"git --version") == 0;
+		} catch (IOException e) {
+			System.out.println("Warning: cannot invoke native git to validate index");
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		}
+	}
+
+	private static int system(File dir, String cmd) throws IOException,
+			InterruptedException {
+		final Process process = Runtime.getRuntime().exec(cmd, null, dir);
+		new Thread() {
+			public void run() {
+				try {
+					InputStream s = process.getErrorStream();
+					for (int c = s.read(); c != -1; c = s.read()) {
+						System.err.print((char) c);
+					}
+					s.close();
+				} catch (IOException e1) {
+					// TODO Auto-generated catch block
+					e1.printStackTrace();
+				}
+			}
+		}.start();
+		final Thread t2 = new Thread() {
+			public void run() {
+				synchronized (this) {
+					try {
+						InputStream e = process.getInputStream();
+						for (int c = e.read(); c != -1; c = e.read()) {
+							System.out.print((char) c);
+						}
+						e.close();
+					} catch (IOException e1) {
+						// TODO Auto-generated catch block
+						e1.printStackTrace();
+					}
+				}
+			}
+		};
+		t2.start();
+		process.getOutputStream().close();
+		int ret = process.waitFor();
+		synchronized (t2) {
+			return ret;
+		}
+	}
+
+	private Repository db;
+
+	private File trash;
+
+	@Override
+	protected void setUp() throws Exception {
+		super.setUp();
+		db = createWorkRepository();
+		trash = db.getWorkDir();
+	}
+
+	public void testCreateEmptyIndex() throws Exception {
+		GitIndex index = new GitIndex(db);
+		index.write();
+// native git doesn't like an empty index
+// assertEquals(0,system(trash,"git status"));
+
+		GitIndex indexr = new GitIndex(db);
+		indexr.read();
+		assertEquals(0, indexr.getMembers().length);
+	}
+
+	public void testReadWithNoIndex() throws Exception {
+		GitIndex index = new GitIndex(db);
+		index.read();
+		assertEquals(0, index.getMembers().length);
+	}
+
+	public void testCreateSimpleSortTestIndex() throws Exception {
+		GitIndex index = new GitIndex(db);
+		writeTrashFile("a/b", "data:a/b");
+		writeTrashFile("a:b", "data:a:b");
+		writeTrashFile("a.b", "data:a.b");
+		index.add(trash, new File(trash, "a/b"));
+		index.add(trash, new File(trash, "a:b"));
+		index.add(trash, new File(trash, "a.b"));
+		index.write();
+
+		assertEquals("a/b", index.getEntry("a/b").getName());
+		assertEquals("a:b", index.getEntry("a:b").getName());
+		assertEquals("a.b", index.getEntry("a.b").getName());
+		assertNull(index.getEntry("a*b"));
+
+		// Repeat test for re-read index
+		GitIndex indexr = new GitIndex(db);
+		indexr.read();
+		assertEquals("a/b", indexr.getEntry("a/b").getName());
+		assertEquals("a:b", indexr.getEntry("a:b").getName());
+		assertEquals("a.b", indexr.getEntry("a.b").getName());
+		assertNull(indexr.getEntry("a*b"));
+
+		if (canrungitstatus)
+			assertEquals(0, system(trash, "git status"));
+	}
+
+	public void testUpdateSimpleSortTestIndex() throws Exception {
+		GitIndex index = new GitIndex(db);
+		writeTrashFile("a/b", "data:a/b");
+		writeTrashFile("a:b", "data:a:b");
+		writeTrashFile("a.b", "data:a.b");
+		index.add(trash, new File(trash, "a/b"));
+		index.add(trash, new File(trash, "a:b"));
+		index.add(trash, new File(trash, "a.b"));
+		writeTrashFile("a/b", "data:a/b modified");
+		index.add(trash, new File(trash, "a/b"));
+		index.write();
+		if (canrungitstatus)
+			assertEquals(0, system(trash, "git status"));
+	}
+
+	public void testWriteTree() throws Exception {
+		GitIndex index = new GitIndex(db);
+		writeTrashFile("a/b", "data:a/b");
+		writeTrashFile("a:b", "data:a:b");
+		writeTrashFile("a.b", "data:a.b");
+		index.add(trash, new File(trash, "a/b"));
+		index.add(trash, new File(trash, "a:b"));
+		index.add(trash, new File(trash, "a.b"));
+		index.write();
+
+		ObjectId id = index.writeTree();
+		assertEquals("c696abc3ab8e091c665f49d00eb8919690b3aec3", id.name());
+
+		writeTrashFile("a/b", "data:a/b");
+		index.add(trash, new File(trash, "a/b"));
+
+		if (canrungitstatus)
+			assertEquals(0, system(trash, "git status"));
+	}
+
+	public void testReadTree() throws Exception {
+		// Prepare tree
+		GitIndex index = new GitIndex(db);
+		writeTrashFile("a/b", "data:a/b");
+		writeTrashFile("a:b", "data:a:b");
+		writeTrashFile("a.b", "data:a.b");
+		index.add(trash, new File(trash, "a/b"));
+		index.add(trash, new File(trash, "a:b"));
+		index.add(trash, new File(trash, "a.b"));
+		index.write();
+
+		ObjectId id = index.writeTree();
+		System.out.println("wrote id " + id);
+		assertEquals("c696abc3ab8e091c665f49d00eb8919690b3aec3", id.name());
+		GitIndex index2 = new GitIndex(db);
+
+		index2.readTree(db.mapTree(ObjectId.fromString(
+				"c696abc3ab8e091c665f49d00eb8919690b3aec3")));
+		Entry[] members = index2.getMembers();
+		assertEquals(3, members.length);
+		assertEquals("a.b", members[0].getName());
+		assertEquals("a/b", members[1].getName());
+		assertEquals("a:b", members[2].getName());
+		assertEquals(3, members.length);
+
+		GitIndex indexr = new GitIndex(db);
+		indexr.read();
+		Entry[] membersr = indexr.getMembers();
+		assertEquals(3, membersr.length);
+		assertEquals("a.b", membersr[0].getName());
+		assertEquals("a/b", membersr[1].getName());
+		assertEquals("a:b", membersr[2].getName());
+		assertEquals(3, membersr.length);
+
+		if (canrungitstatus)
+			assertEquals(0, system(trash, "git status"));
+	}
+
+	public void testReadTree2() throws Exception {
+		// Prepare a larger tree to test some odd cases in tree writing
+		GitIndex index = new GitIndex(db);
+		File f1 = writeTrashFile("a/a/a/a", "data:a/a/a/a");
+		File f2 = writeTrashFile("a/c/c", "data:a/c/c");
+		File f3 = writeTrashFile("a/b", "data:a/b");
+		File f4 = writeTrashFile("a:b", "data:a:b");
+		File f5 = writeTrashFile("a/d", "data:a/d");
+		File f6 = writeTrashFile("a.b", "data:a.b");
+		index.add(trash, f1);
+		index.add(trash, f2);
+		index.add(trash, f3);
+		index.add(trash, f4);
+		index.add(trash, f5);
+		index.add(trash, f6);
+		index.write();
+		ObjectId id = index.writeTree();
+		System.out.println("wrote id " + id);
+		assertEquals("ba78e065e2c261d4f7b8f42107588051e87e18e9", id.name());
+		GitIndex index2 = new GitIndex(db);
+
+		index2.readTree(db.mapTree(ObjectId.fromString(
+				"ba78e065e2c261d4f7b8f42107588051e87e18e9")));
+		Entry[] members = index2.getMembers();
+		assertEquals(6, members.length);
+		assertEquals("a.b", members[0].getName());
+		assertEquals("a/a/a/a", members[1].getName());
+		assertEquals("a/b", members[2].getName());
+		assertEquals("a/c/c", members[3].getName());
+		assertEquals("a/d", members[4].getName());
+		assertEquals("a:b", members[5].getName());
+
+		// reread and test
+		GitIndex indexr = new GitIndex(db);
+		indexr.read();
+		Entry[] membersr = indexr.getMembers();
+		assertEquals(6, membersr.length);
+		assertEquals("a.b", membersr[0].getName());
+		assertEquals("a/a/a/a", membersr[1].getName());
+		assertEquals("a/b", membersr[2].getName());
+		assertEquals("a/c/c", membersr[3].getName());
+		assertEquals("a/d", membersr[4].getName());
+		assertEquals("a:b", membersr[5].getName());
+	}
+
+	public void testDelete() throws Exception {
+		GitIndex index = new GitIndex(db);
+		writeTrashFile("a/b", "data:a/b");
+		writeTrashFile("a:b", "data:a:b");
+		writeTrashFile("a.b", "data:a.b");
+		index.add(trash, new File(trash, "a/b"));
+		index.add(trash, new File(trash, "a:b"));
+		index.add(trash, new File(trash, "a.b"));
+		index.write();
+		index.writeTree();
+		index.remove(trash, new File(trash, "a:b"));
+		index.write();
+		assertEquals("a.b", index.getMembers()[0].getName());
+		assertEquals("a/b", index.getMembers()[1].getName());
+
+		GitIndex indexr = new GitIndex(db);
+		indexr.read();
+		assertEquals("a.b", indexr.getMembers()[0].getName());
+		assertEquals("a/b", indexr.getMembers()[1].getName());
+
+		if (canrungitstatus)
+			assertEquals(0, system(trash, "git status"));
+	}
+
+	public void testCheckout() throws Exception {
+		// Prepare tree, remote it and checkout
+		GitIndex index = new GitIndex(db);
+		File aslashb = writeTrashFile("a/b", "data:a/b");
+		File acolonb = writeTrashFile("a:b", "data:a:b");
+		File adotb = writeTrashFile("a.b", "data:a.b");
+		index.add(trash, aslashb);
+		index.add(trash, acolonb);
+		index.add(trash, adotb);
+		index.write();
+		index.writeTree();
+		delete(aslashb);
+		delete(acolonb);
+		delete(adotb);
+		delete(aslashb.getParentFile());
+
+		GitIndex index2 = new GitIndex(db);
+		assertEquals(0, index2.getMembers().length);
+
+		index2.readTree(db.mapTree(ObjectId.fromString(
+				"c696abc3ab8e091c665f49d00eb8919690b3aec3")));
+
+		index2.checkout(trash);
+		assertEquals("data:a/b", read(aslashb));
+		assertEquals("data:a:b", read(acolonb));
+		assertEquals("data:a.b", read(adotb));
+
+		if (canrungitstatus)
+			assertEquals(0, system(trash, "git status"));
+	}
+
+	public void test030_executeBit_coreModeTrue() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, Error, Exception {
+		if (!FS.INSTANCE.supportsExecute()) {
+			System.err.println("Test ignored since platform FS does not support the execute permission");
+			return;
+		}
+		try {
+			// coremode true is the default, typically set to false
+			// by git init (but not jgit!)
+			Method canExecute = File.class.getMethod("canExecute", (Class[])null);
+			Method setExecute = File.class.getMethod("setExecutable", new Class[] { Boolean.TYPE });
+			File execFile = writeTrashFile("exec","exec");
+			if (!((Boolean)setExecute.invoke(execFile, new Object[] { Boolean.TRUE })).booleanValue())
+				throw new Error("could not set execute bit on "+execFile.getAbsolutePath()+"for test");
+			File nonexecFile = writeTrashFile("nonexec","nonexec");
+			if (!((Boolean)setExecute.invoke(nonexecFile, new Object[] { Boolean.FALSE })).booleanValue())
+				throw new Error("could not clear execute bit on "+nonexecFile.getAbsolutePath()+"for test");
+
+			GitIndex index = new GitIndex(db);
+			index.filemode = Boolean.TRUE; // TODO: we need a way to set this using config
+			index.add(trash, execFile);
+			index.add(trash, nonexecFile);
+			Tree tree = db.mapTree(index.writeTree());
+			assertEquals(FileMode.EXECUTABLE_FILE, tree.findBlobMember(execFile.getName()).getMode());
+			assertEquals(FileMode.REGULAR_FILE, tree.findBlobMember(nonexecFile.getName()).getMode());
+
+			index.write();
+
+			if (!execFile.delete())
+				throw new Error("Problem in test, cannot delete test file "+execFile.getAbsolutePath());
+			if (!nonexecFile.delete())
+				throw new Error("Problem in test, cannot delete test file "+nonexecFile.getAbsolutePath());
+			GitIndex index2 = new GitIndex(db);
+			index2.filemode = Boolean.TRUE; // TODO: we need a way to set this using config
+			index2.read();
+			index2.checkout(trash);
+			assertTrue(((Boolean)canExecute.invoke(execFile,(Object[])null)).booleanValue());
+			assertFalse(((Boolean)canExecute.invoke(nonexecFile,(Object[])null)).booleanValue());
+
+			assertFalse(index2.getEntry(execFile.getName()).isModified(trash));
+			assertFalse(index2.getEntry(nonexecFile.getName()).isModified(trash));
+
+			if (!((Boolean)setExecute.invoke(execFile, new Object[] { Boolean.FALSE })).booleanValue())
+				throw new Error("could not clear set execute bit on "+execFile.getAbsolutePath()+"for test");
+			if (!((Boolean)setExecute.invoke(nonexecFile, new Object[] { Boolean.TRUE })).booleanValue())
+				throw new Error("could set execute bit on "+nonexecFile.getAbsolutePath()+"for test");
+
+			assertTrue(index2.getEntry(execFile.getName()).isModified(trash));
+			assertTrue(index2.getEntry(nonexecFile.getName()).isModified(trash));
+
+		} catch (NoSuchMethodException e) {
+			System.err.println("Test ignored when running under JDK < 1.6");
+			return;
+		}
+	}
+
+	public void test031_executeBit_coreModeFalse() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, Error, Exception {
+		if (!FS.INSTANCE.supportsExecute()) {
+			System.err.println("Test ignored since platform FS does not support the execute permission");
+			return;
+		}
+		try {
+			// coremode true is the default, typically set to false
+			// by git init (but not jgit!)
+			Method canExecute = File.class.getMethod("canExecute", (Class[])null);
+			Method setExecute = File.class.getMethod("setExecutable", new Class[] { Boolean.TYPE });
+			File execFile = writeTrashFile("exec","exec");
+			if (!((Boolean)setExecute.invoke(execFile, new Object[] { Boolean.TRUE })).booleanValue())
+				throw new Error("could not set execute bit on "+execFile.getAbsolutePath()+"for test");
+			File nonexecFile = writeTrashFile("nonexec","nonexec");
+			if (!((Boolean)setExecute.invoke(nonexecFile, new Object[] { Boolean.FALSE })).booleanValue())
+				throw new Error("could not clear execute bit on "+nonexecFile.getAbsolutePath()+"for test");
+
+			GitIndex index = new GitIndex(db);
+			index.filemode = Boolean.FALSE; // TODO: we need a way to set this using config
+			index.add(trash, execFile);
+			index.add(trash, nonexecFile);
+			Tree tree = db.mapTree(index.writeTree());
+			assertEquals(FileMode.REGULAR_FILE, tree.findBlobMember(execFile.getName()).getMode());
+			assertEquals(FileMode.REGULAR_FILE, tree.findBlobMember(nonexecFile.getName()).getMode());
+
+			index.write();
+
+			if (!execFile.delete())
+				throw new Error("Problem in test, cannot delete test file "+execFile.getAbsolutePath());
+			if (!nonexecFile.delete())
+				throw new Error("Problem in test, cannot delete test file "+nonexecFile.getAbsolutePath());
+			GitIndex index2 = new GitIndex(db);
+			index2.filemode = Boolean.FALSE; // TODO: we need a way to set this using config
+			index2.read();
+			index2.checkout(trash);
+			assertFalse(((Boolean)canExecute.invoke(execFile,(Object[])null)).booleanValue());
+			assertFalse(((Boolean)canExecute.invoke(nonexecFile,(Object[])null)).booleanValue());
+
+			assertFalse(index2.getEntry(execFile.getName()).isModified(trash));
+			assertFalse(index2.getEntry(nonexecFile.getName()).isModified(trash));
+
+			if (!((Boolean)setExecute.invoke(execFile, new Object[] { Boolean.FALSE })).booleanValue())
+				throw new Error("could not clear set execute bit on "+execFile.getAbsolutePath()+"for test");
+			if (!((Boolean)setExecute.invoke(nonexecFile, new Object[] { Boolean.TRUE })).booleanValue())
+				throw new Error("could set execute bit on "+nonexecFile.getAbsolutePath()+"for test");
+
+			// no change since we ignore the execute bit
+			assertFalse(index2.getEntry(execFile.getName()).isModified(trash));
+			assertFalse(index2.getEntry(nonexecFile.getName()).isModified(trash));
+
+		} catch (NoSuchMethodException e) {
+			System.err.println("Test ignored when running under JDK < 1.6");
+			return;
+		}
+	}
+
+	private void delete(File f) throws IOException {
+		if (!f.delete())
+			throw new IOException("Failed to delete f");
+	}
+
+	private File writeTrashFile(String name, String body) throws IOException {
+		final File path = new File(trash, name);
+		write(path, body);
+		return path;
+	}
+}