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// Copyright 2018 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.sandbox;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;
import com.google.devtools.build.lib.vfs.DigestHashFunction;
import com.google.devtools.build.lib.vfs.FileSystem;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem;
import java.io.IOException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for {@link FakeSandboxfsProcess}. */
@RunWith(JUnit4.class)
public class FakeSandboxfsProcessIntegrationTest extends BaseSandboxfsProcessIntegrationTest {
@Override
Path newTmpDir() throws IOException {
FileSystem fileSystem = new InMemoryFileSystem(DigestHashFunction.SHA256);
Path tmpDir = fileSystem.getPath("/tmp");
tmpDir.createDirectory();
return tmpDir;
}
@Override
SandboxfsProcess mount(Path mountPoint) throws IOException {
return new FakeSandboxfsProcess(mountPoint.getFileSystem(), mountPoint.asFragment());
}
@Test
public void testMount_notADirectory() throws IOException {
FileSystemUtils.createEmptyFile(tmpDir.getRelative("file"));
IOException expected = assertThrows(
IOException.class, () -> mount(tmpDir.getRelative("file")));
assertThat(expected).hasMessageThat().matches(".*/file.*not a directory");
}
@Test
public void testSandboxCreate_enforcesNonRepeatedNames() throws IOException {
Path mountPoint = tmpDir.getRelative("mnt");
mountPoint.createDirectory();
SandboxfsProcess process = mount(mountPoint);
process.createSandbox("first", (mapper) -> {});
process.createSandbox("second", (mapper) -> {});
assertThrows(
IllegalArgumentException.class, () -> process.createSandbox("first", (mapper) -> {}));
}
@Test
public void testSandboxDestroy_enforcesExistingName() throws IOException {
Path mountPoint = tmpDir.getRelative("mnt");
mountPoint.createDirectory();
SandboxfsProcess process = mount(mountPoint);
process.createSandbox("first", (mapper) -> {});
process.destroySandbox("first");
assertThrows(IllegalArgumentException.class, () -> process.destroySandbox("first"));
}
@Test
public void testCreateAndDestroySandbox_reuseName() throws IOException {
Path mountPoint = tmpDir.getRelative("mnt");
mountPoint.createDirectory();
SandboxfsProcess process = mount(mountPoint);
process.createSandbox("first", (mapper) -> {});
process.destroySandbox("first");
process.createSandbox("first", (mapper) -> {});
process.destroySandbox("first");
}
}