// Copyright 2017 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.android;

import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.jimfs.Jimfs;
import com.google.common.truth.Truth;
import java.nio.file.FileSystem;
import java.nio.file.Files;
import java.nio.file.Path;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for the {@link SerializedAndroidData}. */
@RunWith(JUnit4.class)
public class SerializedAndroidDataTest {
  private FileSystem fileSystem;
  private Path res;
  private Path otherRes;
  private Path assets;
  private Path otherAssets;
  private String label;
  private Path symbols;

  @Before
  public void setUp() throws Exception {
    fileSystem = Jimfs.newFileSystem();
    Path root = Files.createDirectories(fileSystem.getPath(""));
    symbols = Files.createFile(root.resolve("symbols.bin"));
    res = Files.createDirectories(root.resolve("res"));
    otherRes = Files.createDirectories(root.resolve("otherres"));
    assets = Files.createDirectories(root.resolve("assets"));
    otherAssets = Files.createDirectories(root.resolve("otherassets"));
    label = "//some_target/foo:foo";
  }

  @Test
  public void flagFullParse() throws Exception {
    Truth.assertThat(
            SerializedAndroidData.valueOf(
                "res#otherres;assets#otherassets;//some_target/foo:foo;symbols.bin", fileSystem))
        .isEqualTo(
            new SerializedAndroidData(
                ImmutableList.of(res, otherRes),
                ImmutableList.of(assets, otherAssets),
                label,
                symbols));
  }

  @Test
  public void flagParseWithNoSymbolsFile() throws Exception {
    Truth.assertThat(
            SerializedAndroidData.valueOf(
                "res#otherres;assets#otherassets;//some_target/foo:foo;", fileSystem))
        .isEqualTo(
            new SerializedAndroidData(
                ImmutableList.of(res, otherRes),
                ImmutableList.of(assets, otherAssets),
                label,
                null));
  }

  @Test
  public void flagParseWithEmptyResources() throws Exception {
    Truth.assertThat(
            SerializedAndroidData.valueOf(
                ";assets;//some_target/foo:foo;symbols.bin", fileSystem))
        .isEqualTo(
            new SerializedAndroidData(
                ImmutableList.<Path>of(), ImmutableList.of(assets), label, symbols));
  }

  @Test
  public void flagParseWithEmptyAssets() throws Exception {
    Truth.assertThat(
            SerializedAndroidData.valueOf("res;;//some_target/foo:foo;symbols.bin", fileSystem))
        .isEqualTo(
            new SerializedAndroidData(
                ImmutableList.of(res), ImmutableList.<Path>of(), label, symbols));
  }

  @Test
  public void flagParseWithEmptyResourcesAndAssets() throws Exception {
    Truth.assertThat(
            SerializedAndroidData.valueOf(";;//some_target/foo:foo;symbols.bin", fileSystem))
        .isEqualTo(
            new SerializedAndroidData(
                ImmutableList.<Path>of(), ImmutableList.<Path>of(), label, symbols));
  }

  @Test
  public void flagNoLabelFails() {
    assertThrows(
        IllegalArgumentException.class,
        () -> SerializedAndroidData.valueOf(";;symbols.bin", fileSystem));
  }
}