src/test/java/com/google/devtools/build/lib/events/PrintingEventHandlerTest.java

// Copyright 2014 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.events;

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

import com.google.devtools.build.lib.testutil.MoreAsserts;
import com.google.devtools.build.lib.util.io.RecordingOutErr;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/**
 * Tests the {@link PrintingEventHandler}.
 */
@RunWith(JUnit4.class)
public class PrintingEventHandlerTest extends EventTestTemplate {

  @Test
  public void collectsEvents() {
    RecordingOutErr recordingOutErr = new RecordingOutErr();
    PrintingEventHandler handler =
        new PrintingEventHandler(recordingOutErr, EventKind.ERRORS_AND_WARNINGS);
    handler.handle(event);
    MoreAsserts.assertEqualsUnifyingLineEnds("WARNING: /path/to/workspace/my/sample/path.txt:3:4: "
                 + "This is not an error message.\n",
                 recordingOutErr.errAsLatin1());
    assertThat(recordingOutErr.outAsLatin1()).isEmpty();
  }

}