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// Copyright 2014 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.testutil;
import com.google.devtools.build.lib.util.io.FileOutErr;
import com.google.devtools.build.lib.util.io.RecordingOutErr;
import com.google.devtools.build.lib.vfs.Path;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* An implementation of the FileOutErr that doesn't use a file.
* This is useful for tests, as they often test the action directly
* and would otherwise have to create files on the vfs.
*/
public class TestFileOutErr extends FileOutErr {
RecordingOutErr recorder;
public TestFileOutErr(TestFileOutErr arg) {
this(arg.getOutputStream(), arg.getErrorStream());
}
public TestFileOutErr() {
this(new ByteArrayOutputStream(), new ByteArrayOutputStream());
}
public TestFileOutErr(ByteArrayOutputStream stream) {
super(null, null); // This is a pretty brutal overloading - We're just inheriting for the type.
recorder = new RecordingOutErr(stream, stream);
}
public TestFileOutErr(ByteArrayOutputStream stream1, ByteArrayOutputStream stream2) {
super(null, null); // This is a pretty brutal overloading - We're just inheriting for the type.
recorder = new RecordingOutErr(stream1, stream2);
}
@Override
public Path getOutputFile() {
return null;
}
@Override
public Path getErrorFile() {
return null;
}
@Override
public ByteArrayOutputStream getOutputStream() {
return recorder.getOutputStream();
}
@Override
public ByteArrayOutputStream getErrorStream() {
return recorder.getErrorStream();
}
@Override
public void printOut(String s) {
recorder.printOut(s);
}
@Override
public void printErr(String s) {
recorder.printErr(s);
}
@Override
public String toString() {
return recorder.toString();
}
@Override
public boolean hasRecordedOutput() {
return recorder.hasRecordedOutput();
}
@Override
public String outAsLatin1() {
return recorder.outAsLatin1();
}
@Override
public String errAsLatin1() {
return recorder.errAsLatin1();
}
@Override
public void dumpOutAsLatin1(OutputStream out) {
try {
recorder.getOutputStream().writeTo(out);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void dumpErrAsLatin1(OutputStream out) {
try {
recorder.getErrorStream().writeTo(out);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public String getRecordedOutput() {
return recorder.outAsLatin1() + recorder.errAsLatin1();
}
public void reset() {
recorder.reset();
}
}
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