test/com/facebook/buck/cxx/CxxTestDescriptionTest.java

/*
 * Copyright 2014-present Facebook, Inc.
 *
 * 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.facebook.buck.cxx;

import static org.junit.Assert.assertTrue;

import com.facebook.buck.cli.FakeBuckConfig;
import com.facebook.buck.model.BuildTarget;
import com.facebook.buck.model.BuildTargetFactory;
import com.facebook.buck.model.Flavor;
import com.facebook.buck.model.FlavorDomain;
import com.facebook.buck.rules.SourcePath;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;

import org.junit.Test;

import java.util.Map;

public class CxxTestDescriptionTest {

  @Test
  public void findDepsFromParams() {
    BuildTarget gtest = BuildTargetFactory.newInstance("//:gtest");

    FakeBuckConfig buckConfig = new FakeBuckConfig(
        ImmutableMap.<String, Map<String, String>>of(
            "cxx",
            ImmutableMap.of("gtest_dep", gtest.toString())));
    CxxBuckConfig cxxBuckConfig = new CxxBuckConfig(buckConfig);
    CxxPlatform cxxPlatform = DefaultCxxPlatforms.build(buckConfig);
    CxxTestDescription desc = new CxxTestDescription(
        cxxBuckConfig,
        cxxPlatform,
        new FlavorDomain<>("platform", ImmutableMap.<Flavor, CxxPlatform>of()));

    BuildTarget target = BuildTargetFactory.newInstance("//:target");
    CxxTestDescription.Arg constructorArg = desc.createUnpopulatedConstructorArg();
    constructorArg.framework = Optional.of(CxxTestType.GTEST);
    constructorArg.lexSrcs = Optional.of(ImmutableList.<SourcePath>of());
    Iterable<BuildTarget> implicit = desc
        .findDepsForTargetFromConstructorArgs(target, constructorArg);

    assertTrue(Iterables.contains(implicit, gtest));
  }

}