// 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.buildeventstream.transports;

import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Mockito.when;

import com.google.common.base.Joiner;
import com.google.common.io.Files;
import com.google.devtools.build.lib.buildeventstream.BuildEvent;
import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos;
import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos.BuildStarted;
import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos.Progress;
import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos.TargetComplete;
import com.google.protobuf.TextFormat;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;

/** Tests {@link TextFormatFileTransport}. **/
@RunWith(JUnit4.class)
public class TextFormatFileTransportTest {

  @Rule public TemporaryFolder tmp = new TemporaryFolder();

  @Mock public BuildEvent buildEvent;

  @Before
  public void initMocks() {
    MockitoAnnotations.initMocks(this);
  }

  @After
  public void validateMocks() {
    Mockito.validateMockitoUsage();
  }

  @Test
  public void testCreatesFileAndWritesProtoTextFormat() throws IOException {
    File output = tmp.newFile();

    BuildEventStreamProtos.BuildEvent started =
        BuildEventStreamProtos.BuildEvent.newBuilder()
            .setStarted(BuildStarted.newBuilder().setCommand("build"))
            .build();
    when(buildEvent.asStreamProto()).thenReturn(started);
    TextFormatFileTransport transport = new TextFormatFileTransport(output.getAbsolutePath());
    transport.sendBuildEvent(buildEvent);

    BuildEventStreamProtos.BuildEvent progress =
        BuildEventStreamProtos.BuildEvent.newBuilder().setProgress(Progress.newBuilder()).build();
    when(buildEvent.asStreamProto()).thenReturn(progress);
    transport.sendBuildEvent(buildEvent);

    BuildEventStreamProtos.BuildEvent completed =
        BuildEventStreamProtos.BuildEvent.newBuilder()
            .setCompleted(TargetComplete.newBuilder().setSuccess(true))
            .build();
    when(buildEvent.asStreamProto()).thenReturn(completed);
    transport.sendBuildEvent(buildEvent);

    transport.close();
    String contents =
        Joiner.on(System.lineSeparator()).join(Files.readLines(output, StandardCharsets.UTF_8));
    assertThat(contents).contains(TextFormat.printToString(started));
    assertThat(contents).contains(TextFormat.printToString(progress));
    assertThat(contents).contains(TextFormat.printToString(completed));
  }
}

@@ -3166,24 +3166,47 @@
  contents =%0A
+        trimLines(%0A    
         Join
@@ -3234,16 +3234,33 @@
 rator())
+%0A                
 .join(Fi
@@ -3305,17 +3305,19 @@
 .UTF_8))
-;
+);%0A
 %0A    ass
@@ -3335,32 +3335,42 @@
 tents).contains(
+trimLines(
 TextFormat.print
@@ -3383,24 +3383,25 @@
 ng(started))
+)
 ;%0A    assert
@@ -3416,32 +3416,42 @@
 tents).contains(
+trimLines(
 TextFormat.print
@@ -3469,16 +3469,17 @@
 ogress))
+)
 ;%0A    as
@@ -3506,16 +3506,26 @@
 ontains(
+trimLines(
 TextForm
@@ -3552,16 +3552,204 @@
 pleted))
+);%0A  %7D%0A%0A  private static String trimLines(String text) %7B%0A    // Replace CRLF with LF and trim leading and trailing spaces.%0A    return text.replaceAll(%22%5C%5Cr%22, %22%22).replaceAll(%22 *%5C%5Cn *%22, %22%5Cn%22)
 ;%0A  %7D%0A%7D%0A

Fix test breakage on Windows.