CppOutputGroupsTest.java example

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// 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.lib.rules.cpp;

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

import com.google.devtools.build.lib.actions.util.ActionsTestUtil;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests the output groups of cc_library. */
@RunWith(JUnit4.class)
public class CppOutputGroupsTest extends BuildViewTestCase {

  @Test
  public void testStaticLibraryOnlyOutputGroups() throws Exception {
    scratch.file("src.cc");
    scratch.file(
        "a/BUILD",
        "cc_library(name='lib', srcs=['src.cc'], linkstatic=1, alwayslink=0)",
        "filegroup(name='group_archive', srcs=[':lib'], output_group = 'archive')",
        "filegroup(name='group_dynamic', srcs=[':lib'], output_group = 'dynamic_library')");

    ConfiguredTarget groupArchive = getConfiguredTarget("//a:group_archive");
    ConfiguredTarget groupDynamic = getConfiguredTarget("//a:group_dynamic");

    assertThat(ActionsTestUtil.prettyArtifactNames(getFilesToBuild(groupArchive)))
        .containsExactly("a/liblib.a");
    assertThat(ActionsTestUtil.prettyArtifactNames(getFilesToBuild(groupDynamic))).isEmpty();
  }

  @Test
  public void testSharedLibraryOnlyOutputGroups() throws Exception {
    scratch.file("src.cc");
    scratch.file(
        "a/BUILD",
        "cc_library(name='lib', srcs=['src.cc'], linkstatic=1, alwayslink=1)",
        "filegroup(name='group_archive', srcs=[':lib'], output_group = 'archive')",
        "filegroup(name='group_dynamic', srcs=[':lib'], output_group = 'dynamic_library')");

    ConfiguredTarget groupArchive = getConfiguredTarget("//a:group_archive");
    ConfiguredTarget groupDynamic = getConfiguredTarget("//a:group_dynamic");

    assertThat(ActionsTestUtil.prettyArtifactNames(getFilesToBuild(groupArchive)))
        .containsExactly("a/liblib.lo");
    assertThat(ActionsTestUtil.prettyArtifactNames(getFilesToBuild(groupDynamic))).isEmpty();
  }

  @Test
  public void testStaticAndDynamicLibraryOutputGroups() throws Exception {
    scratch.file("src.cc");
    scratch.file(
        "a/BUILD",
        "cc_library(name='lib', srcs=['src.cc'], linkstatic=0, alwayslink=0)",
        "filegroup(name='group_archive', srcs=[':lib'], output_group = 'archive')",
        "filegroup(name='group_dynamic', srcs=[':lib'], output_group = 'dynamic_library')");

    ConfiguredTarget groupArchive = getConfiguredTarget("//a:group_archive");
    ConfiguredTarget groupDynamic = getConfiguredTarget("//a:group_dynamic");

    assertThat(ActionsTestUtil.prettyArtifactNames(getFilesToBuild(groupArchive)))
        .containsExactly("a/liblib.a");
    assertThat(ActionsTestUtil.prettyArtifactNames(getFilesToBuild(groupDynamic)))
        .containsExactly("a/liblib.so");
  }

  @Test
  public void testSharedAndDynamicLibraryOutputGroups() throws Exception {
    scratch.file("src.cc");
    scratch.file(
        "a/BUILD",
        "cc_library(name='lib', srcs=['src.cc'], linkstatic=0, alwayslink=1)",
        "filegroup(name='group_archive', srcs=[':lib'], output_group = 'archive')",
        "filegroup(name='group_dynamic', srcs=[':lib'], output_group = 'dynamic_library')");

    ConfiguredTarget groupArchive = getConfiguredTarget("//a:group_archive");
    ConfiguredTarget groupDynamic = getConfiguredTarget("//a:group_dynamic");

    assertThat(ActionsTestUtil.prettyArtifactNames(getFilesToBuild(groupArchive)))
        .containsExactly("a/liblib.lo");
    assertThat(ActionsTestUtil.prettyArtifactNames(getFilesToBuild(groupDynamic)))
        .containsExactly("a/liblib.so");
  }
}