// Copyright 2016 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.skyframe;

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

import com.google.common.collect.Iterables;
import com.google.common.truth.ComparableSubject;
import com.google.common.truth.DefaultSubject;
import com.google.common.truth.FailureStrategy;
import com.google.common.truth.IterableSubject;
import com.google.common.truth.Subject;
import javax.annotation.Nullable;

/**
 * {@link Subject} for {@link NodeEntry}. Please add to this class if you need more
 * functionality!
 */
class NodeEntrySubject extends Subject<NodeEntrySubject, NodeEntry> {
  NodeEntrySubject(FailureStrategy failureStrategy, NodeEntry nodeEntry) {
    super(failureStrategy, nodeEntry);
  }

  DefaultSubject hasVersionThat() {
    return assertThat(getSubject().getVersion()).named(detail("Version"));
  }

  IterableSubject hasTemporaryDirectDepsThat() {
    return assertThat(Iterables.concat(getSubject().getTemporaryDirectDeps()))
        .named(detail("TemporaryDirectDeps"));
  }

  ComparableSubject<?, NodeEntry.DependencyState> addReverseDepAndCheckIfDone(
      @Nullable SkyKey reverseDep) throws InterruptedException {
    return assertThat(getSubject().addReverseDepAndCheckIfDone(reverseDep))
        .named(detail("AddReverseDepAndCheckIfDone"));
  }

  private String detail(String descriptor) {
    return descriptor + " for" + getDisplaySubject();
  }
}