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HADOOP-10035. Cleanup TestFilterFileSystem. Contributed by Suresh Srinivas.

This commit is contained in:
Haohui Mai 2015-11-22 17:30:08 -08:00
parent ac0694eb6e
commit 6ed8f24041
2 changed files with 96 additions and 167 deletions
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2
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -343,6 +343,8 @@ Release 2.8.0 - UNRELEASED
HADOOP-12572. Update Hadoop's lz4 to r131. (Kevin Bowling via wheat9)
HADOOP-10035. Cleanup TestFilterFileSystem. (Suresh Srinivas via wheat9)
OPTIMIZATIONS
HADOOP-11785. Reduce the number of listStatus operation in distcp

261
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFilterFileSystem.java
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@ -32,7 +32,6 @@ import java.util.Iterator;
import org.apache.commons.logging.Log;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.fs.Options.ChecksumOpt;
import org.apache.hadoop.fs.Options.CreateOpts;
import org.apache.hadoop.fs.Options.Rename;
import org.apache.hadoop.security.Credentials;
@ -52,190 +51,118 @@ public class TestFilterFileSystem {
conf.setBoolean("fs.flfs.impl.disable.cache", true);
conf.setBoolean("fs.file.impl.disable.cache", true);
}
public static class DontCheck {
public BlockLocation[] getFileBlockLocations(Path p,
long start, long len) { return null; }
public FsServerDefaults getServerDefaults() { return null; }
public long getLength(Path f) { return 0; }
public FSDataOutputStream append(Path f) { return null; }
public FSDataOutputStream append(Path f, int bufferSize) { return null; }
public void rename(final Path src, final Path dst, final Rename... options) { }
public boolean exists(Path f) { return false; }
public boolean isDirectory(Path f) { return false; }
public boolean isFile(Path f) { return false; }
public boolean createNewFile(Path f) { return false; }
/**
* FileSystem methods that must not be overwritten by
* {@link FilterFileSystem}. Either because there is a default implementation
* already available or because it is not relevant.
*/
public static interface MustNotImplement {
public BlockLocation[] getFileBlockLocations(Path p, long start,
long len);
public FSDataOutputStream append(Path f) throws IOException;
public FSDataOutputStream append(Path f, int bufferSize) throws
IOException;
public long getLength(Path f);
public void rename(Path src, Path dst, Rename... options);
public boolean exists(Path f);
public boolean isDirectory(Path f);
public boolean isFile(Path f);
public boolean createNewFile(Path f);
public FSDataOutputStream createNonRecursive(Path f,
boolean overwrite,
int bufferSize, short replication, long blockSize,
Progressable progress) throws IOException {
return null;
}
boolean overwrite, int bufferSize, short replication, long blockSize,
Progressable progress) throws IOException;
public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
boolean overwrite, int bufferSize, short replication, long blockSize,
Progressable progress) throws IOException {
return null;
}
public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
EnumSet<CreateFlag> flags, int bufferSize, short replication, long blockSize,
Progressable progress) throws IOException {
return null;
}
public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
EnumSet<CreateFlag> flags, int bufferSize, short replication, long blockSize,
Progressable progress, ChecksumOpt checksumOpt) throws IOException {
return null;
}
public boolean mkdirs(Path f) { return false; }
public FSDataInputStream open(Path f) { return null; }
public FSDataOutputStream create(Path f) { return null; }
public FSDataOutputStream create(Path f, boolean overwrite) { return null; }
public FSDataOutputStream create(Path f, Progressable progress) {
return null;
}
public FSDataOutputStream create(Path f, short replication) {
return null;
}
public FSDataOutputStream create(Path f, short replication,
Progressable progress) {
return null;
}
public FSDataOutputStream create(Path f,
boolean overwrite,
int bufferSize) {
return null;
}
public FSDataOutputStream create(Path f,
boolean overwrite,
int bufferSize,
Progressable progress) {
return null;
}
public FSDataOutputStream create(Path f,
boolean overwrite,
int bufferSize,
short replication,
long blockSize) {
return null;
}
public FSDataOutputStream create(Path f,
boolean overwrite,
int bufferSize,
short replication,
long blockSize,
Progressable progress) {
return null;
}
public FSDataOutputStream create(Path f,
FsPermission permission,
boolean overwrite,
int bufferSize,
short replication,
long blockSize,
Progressable progress) {
return null;
}
public FSDataOutputStream create(Path f,
FsPermission permission,
EnumSet<CreateFlag> flags,
int bufferSize,
short replication,
long blockSize,
Progressable progress) throws IOException {
return null;
}
public FSDataOutputStream create(Path f,
FsPermission permission,
EnumSet<CreateFlag> flags,
int bufferSize,
short replication,
long blockSize,
Progressable progress,
ChecksumOpt checksumOpt) throws IOException {
return null;
}
public String getName() { return null; }
public boolean delete(Path f) { return false; }
public short getReplication(Path src) { return 0 ; }
public void processDeleteOnExit() { }
public ContentSummary getContentSummary(Path f) { return null; }
public FsStatus getStatus() { return null; }
public FileStatus[] listStatus(Path f, PathFilter filter) { return null; }
public FileStatus[] listStatus(Path[] files) { return null; }
public FileStatus[] listStatus(Path[] files, PathFilter filter) { return null; }
public FileStatus[] globStatus(Path pathPattern) { return null; }
public FileStatus[] globStatus(Path pathPattern, PathFilter filter) {
return null;
}
public Iterator<LocatedFileStatus> listFiles(
final Path path, final boolean isRecursive) {
return null;
}
public Iterator<LocatedFileStatus> listLocatedStatus(Path f) {
return null;
}
public Iterator<LocatedFileStatus> listLocatedStatus(Path f,
final PathFilter filter) {
return null;
}
public void copyFromLocalFile(Path src, Path dst) { }
public void moveFromLocalFile(Path[] srcs, Path dst) { }
public void moveFromLocalFile(Path src, Path dst) { }
public void copyToLocalFile(Path src, Path dst) { }
Progressable progress) throws IOException;
public boolean mkdirs(Path f);
public FSDataInputStream open(Path f);
public FSDataOutputStream create(Path f);
public FSDataOutputStream create(Path f, boolean overwrite);
public FSDataOutputStream create(Path f, Progressable progress);
public FSDataOutputStream create(Path f, short replication);
public FSDataOutputStream create(Path f, short replication,
Progressable progress);
public FSDataOutputStream create(Path f, boolean overwrite,
int bufferSize);
public FSDataOutputStream create(Path f, boolean overwrite,
int bufferSize, Progressable progress);
public FSDataOutputStream create(Path f, boolean overwrite,
int bufferSize, short replication, long blockSize);
public FSDataOutputStream create(Path f, boolean overwrite, int bufferSize,
short replication, long blockSize, Progressable progress);
public FSDataOutputStream create(Path f, FsPermission permission,
EnumSet<CreateFlag> flags, int bufferSize, short replication,
long blockSize, Progressable progress);
public String getName();
public boolean delete(Path f);
public short getReplication(Path src);
public void processDeleteOnExit();
public FsStatus getStatus();
public FileStatus[] listStatus(Path f, PathFilter filter);
public FileStatus[] listStatus(Path[] files);
public FileStatus[] listStatus(Path[] files, PathFilter filter);
public FileStatus[] globStatus(Path pathPattern);
public FileStatus[] globStatus(Path pathPattern, PathFilter filter);
public Iterator<LocatedFileStatus> listFiles(Path path,
boolean isRecursive);
public void copyFromLocalFile(Path src, Path dst);
public void moveFromLocalFile(Path[] srcs, Path dst);
public void moveFromLocalFile(Path src, Path dst);
public void copyToLocalFile(Path src, Path dst);
public void copyToLocalFile(boolean delSrc, Path src, Path dst,
boolean useRawLocalFileSystem) { }
public void moveToLocalFile(Path src, Path dst) { }
public long getBlockSize(Path f) { return 0; }
public FSDataOutputStream primitiveCreate(final Path f,
final EnumSet<CreateFlag> createFlag,
CreateOpts... opts) { return null; }
public void primitiveMkdir(Path f, FsPermission absolutePermission,
boolean createParent) { }
public int getDefaultPort() { return 0; }
public String getCanonicalServiceName() { return null; }
public Token<?> getDelegationToken(String renewer) throws IOException {
return null;
}
public boolean deleteOnExit(Path f) throws IOException {
return false;
}
public boolean cancelDeleteOnExit(Path f) throws IOException {
return false;
}
boolean useRawLocalFileSystem);
public void moveToLocalFile(Path src, Path dst);
public long getBlockSize(Path f);
public FSDataOutputStream primitiveCreate(Path f,
EnumSet<CreateFlag> createFlag, CreateOpts... opts);
public void primitiveMkdir(Path f, FsPermission absolutePermission,
boolean createParent);
public int getDefaultPort();
public String getCanonicalServiceName();
public Token<?> getDelegationToken(String renewer) throws IOException;
public boolean deleteOnExit(Path f) throws IOException;
public boolean cancelDeleteOnExit(Path f) throws IOException;
public Token<?>[] addDelegationTokens(String renewer, Credentials creds)
throws IOException {
return null;
}
public String getScheme() {
return "dontcheck";
}
public Path fixRelativePart(Path p) { return null; }
throws IOException;
public String getScheme();
public Path fixRelativePart(Path p);
public ContentSummary getContentSummary(Path f);
}
@Test
public void testFilterFileSystem() throws Exception {
int errors = 0;
for (Method m : FileSystem.class.getDeclaredMethods()) {
if (Modifier.isStatic(m.getModifiers()))
if (Modifier.isStatic(m.getModifiers()) ||
Modifier.isPrivate(m.getModifiers()) ||
Modifier.isFinal(m.getModifiers())) {
continue;
if (Modifier.isPrivate(m.getModifiers()))
continue;
if (Modifier.isFinal(m.getModifiers()))
continue;
}
try {
DontCheck.class.getMethod(m.getName(), m.getParameterTypes());
LOG.info("Skipping " + m);
MustNotImplement.class.getMethod(m.getName(), m.getParameterTypes());
try {
FilterFileSystem.class.getDeclaredMethod(m.getName(),
m.getParameterTypes());
LOG.error("FilterFileSystem MUST NOT implement " + m);
errors++;
} catch (NoSuchMethodException ex) {
// Expected
}
} catch (NoSuchMethodException exc) {
LOG.info("Testing " + m);
try{
FilterFileSystem.class.getDeclaredMethod(m.getName(), m.getParameterTypes());
}
catch(NoSuchMethodException exc2){
LOG.error("FilterFileSystem doesn't implement " + m);
throw exc2;
} catch(NoSuchMethodException exc2){
LOG.error("FilterFileSystem MUST implement " + m);
errors++;
}
}
}
assertTrue((errors + " methods were not overridden correctly - see" +
" log"), errors <= 0);
}
@Test