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// Copyright 2015 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.analysis;

import static com.google.common.truth.Truth.assertThat;

import com.google.devtools.build.lib.skyframe.serialization.testutils.FsUtils;
import com.google.devtools.build.lib.skyframe.serialization.testutils.ObjectCodecTester;
import com.google.devtools.build.lib.testutil.FoundationTestCase;
import com.google.devtools.build.lib.vfs.FileSystem;
import com.google.devtools.build.lib.vfs.Path;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Unit tests for {@link BlazeDirectories}. */
@RunWith(JUnit4.class)
public class BlazeDirectoriesTest extends FoundationTestCase {

  @Test
  public void testCreatingDirectories() {
    FileSystem fs = scratch.getFileSystem();
    Path installBase = fs.getPath("/my/install");
    Path outputBase = fs.getPath("/my/output");
    Path workspace = fs.getPath("/my/ws");
    BlazeDirectories directories =
        new BlazeDirectories(new ServerDirectories(installBase, outputBase), workspace, "foo");
    assertThat(outputBase.getRelative("execroot/ws")).isEqualTo(directories.getExecRoot());

    workspace = null;
    directories =
        new BlazeDirectories(new ServerDirectories(installBase, outputBase), workspace, "foo");
    assertThat(outputBase.getRelative("execroot/" + BlazeDirectories.DEFAULT_EXEC_ROOT))
        .isEqualTo(directories.getExecRoot());

    workspace = fs.getPath("/");
    directories =
        new BlazeDirectories(new ServerDirectories(installBase, outputBase), workspace, "foo");
    assertThat(outputBase.getRelative("execroot/" + BlazeDirectories.DEFAULT_EXEC_ROOT))
        .isEqualTo(directories.getExecRoot());
  }

  @Test
  public void testCodec() throws Exception {
    ObjectCodecTester.newBuilder(BlazeDirectories.CODEC)
        .addSubjects(
            new BlazeDirectories(
                new ServerDirectories(
                    FsUtils.TEST_FILESYSTEM.getPath("/install_base"),
                    FsUtils.TEST_FILESYSTEM.getPath("/output_base")),
                FsUtils.TEST_FILESYSTEM.getPath("/workspace"),
                "Blaze"),
            new BlazeDirectories(
                new ServerDirectories(
                    FsUtils.TEST_FILESYSTEM.getPath("/install_base"),
                    FsUtils.TEST_FILESYSTEM.getPath("/output_base"),
                    "1234abcd1234abcd1234abcd1234abcd"),
                FsUtils.TEST_FILESYSTEM.getPath("/workspace"),
                "Blaze"),
            new BlazeDirectories(
                new ServerDirectories(
                    FsUtils.TEST_FILESYSTEM.getPath("/install_base"),
                    FsUtils.TEST_FILESYSTEM.getPath("/output_base")),
                FsUtils.TEST_FILESYSTEM.getPath("/workspace"),
                "Bazel"))
        .addDependency(FileSystem.class, FsUtils.TEST_FILESYSTEM)
        .buildAndRunTests();
  }
}