blob: 528747efa2165ca89f5d0c48df0e53ca96db70b8 [file] [log] [blame]
// Copyright 2020 The Bazel Authors. 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.buildtool;
import com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase;
import com.google.devtools.build.lib.unix.UnixFileSystem;
import com.google.devtools.build.lib.vfs.DigestHashFunction;
import com.google.devtools.build.lib.vfs.FileSystem;
import com.google.devtools.build.lib.vfs.PathFragment;
import java.io.IOException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Simple test that Blaze is resilient to an IOException that incorrectly indicates the parent
* exists (but is not a directory) when trying to create an output file's parent directory.
*/
@RunWith(JUnit4.class)
public class InconsistentFilesystemTest extends BuildIntegrationTestCase {
@Override
protected boolean realFileSystem() {
// Must have real filesystem for MockTools to give us an environment we can execute actions in.
return true;
}
@Override
protected FileSystem createFileSystem() {
return new UnixFileSystem(DigestHashFunction.SHA256, /*hashAttributeName=*/ "") {
boolean threwException = false;
@Override
public boolean createDirectory(PathFragment path) throws IOException {
String pathString = path.getPathString();
if (pathString.endsWith("foo") && pathString.contains("blaze-out") && !threwException) {
threwException = true;
throw new IOException(path.getPathString() + " (File exists)");
}
return super.createDirectory(path);
}
};
}
@Test
public void testOutputDirFirstThrowsThenDoesntExist() throws Exception {
write("foo/BUILD", "genrule(name = 'foo', outs = ['out'], cmd = 'touch $@')");
buildTarget("//foo:foo");
}
}