// 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.

package com.google.devtools.build.docgen;

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

import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.docgen.starlark.StarlarkDocExpander;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** A test class for StarlarkDocExpander. */
@RunWith(JUnit4.class)
public class StarlarkDocExpanderTest {

  @Test
  public void testExpand() {
    DocgenConsts.starlarkDocsRoot = "/strlrk";
    DocLinkMap linkMap =
        new DocLinkMap(
            /* beRoot= */ "/be_root",
            ImmutableMap.of("foo", "foobar.html"),
            /* sourceUrlRoot= */ "",
            ImmutableMap.of());
    StarlarkDocExpander expander = new StarlarkDocExpander(new RuleLinkExpander(false, linkMap));

    assertThat(expander.expand("$STARLARK_DOCS_ROOT")).isEqualTo("/strlrk");
    assertThat(expander.expand("$BE_ROOT")).isEqualTo("/be_root");
    assertThat(expander.expand("${link foo}")).isEqualTo("foobar.html");
  }
}