src/test/java/com/google/devtools/build/docgen/DocLinkMapTest.java

// Copyright 2022 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.

// Copyright 2015 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.docgen;

import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.UTF_8;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** A test class for DocLinkMap. */
@RunWith(JUnit4.class)
public class DocLinkMapTest {

  @Rule public final TemporaryFolder tmp = new TemporaryFolder();

  @Test
  public void testCreateFromFile() throws IOException {
    String content =
        "{"
            + "\"beRoot\": \"/be_root\","
            + "\"beReferences\": {"
            + "    \"build-ref1\": \"build-ref1.html\","
            + "    \"build-ref2\": \"build-ref2.html\","
            + "    \"build-ref3\": \"build-ref3.html\""
            + "},"
            + "\"sourceUrlRoot\": \"https://example.com/\","
            + "\"labelRewrites\": {"
            + "    \"@_builtins//:common/\": \"//common/builtins_bzl:\","
            + "    \"@_builtins//:uncommon/\": \"//uncommon/builtins_bzl:\","
            + "    \"@_builtins//:\": \"//main/builtins_bzl:\""
            + "}"
            + "}";

    Path path = tmp.newFile("map.json").toPath();
    Files.write(path, content.getBytes(UTF_8));

    DocLinkMap map = DocLinkMap.createFromFile(path.toString());
    assertThat(map.beRoot).isEqualTo("/be_root");
    assertThat(map.beReferences)
        .containsExactly(
            "build-ref1",
            "build-ref1.html",
            "build-ref2",
            "build-ref2.html",
            "build-ref3",
            "build-ref3.html")
        .inOrder();
    assertThat(map.sourceUrlRoot).isEqualTo("https://example.com/");
    assertThat(map.labelRewrites)
        .containsExactly(
            "@_builtins//:common/",
            "//common/builtins_bzl:",
            "@_builtins//:uncommon/",
            "//uncommon/builtins_bzl:",
            "@_builtins//:",
            "//main/builtins_bzl:")
        .inOrder();
  }
}