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// 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 org.junit.Assert.assertThrows;
import com.google.common.collect.ImmutableMap;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link RuleLinkExpander}. */
@RunWith(JUnit4.class)
public class RuleLinkExpanderTest {
private RuleLinkExpander multiPageExpander;
private RuleLinkExpander singlePageExpander;
@Before public void setUp() {
Map<String, String> index =
ImmutableMap.<String, String>builder()
.put("cc_library", "c-cpp")
.put("cc_binary", "c-cpp")
.put("java_binary", "java")
.put("Fileset", "fileset")
.put("proto_library", "protocol-buffer")
.buildOrThrow();
DocLinkMap linkMap =
new DocLinkMap(
"",
ImmutableMap.of(
"make-variables",
"make-variables.html",
"common-definitions",
"common-definitions.html",
"standalone",
"standalone.html"));
multiPageExpander = new RuleLinkExpander(index, false, linkMap);
singlePageExpander = new RuleLinkExpander(index, true, linkMap);
}
private void checkExpandSingle(String docs, String expected) {
assertThat(singlePageExpander.expand(docs)).isEqualTo(expected);
}
private void checkExpandMulti(String docs, String expected) {
assertThat(multiPageExpander.expand(docs)).isEqualTo(expected);
}
@Test public void testRule() {
checkExpandMulti(
"<a href=\"${link java_binary}\">java_binary rule</a>",
"<a href=\"java.html#java_binary\">java_binary rule</a>");
checkExpandSingle(
"<a href=\"${link java_binary}\">java_binary rule</a>",
"<a href=\"#java_binary\">java_binary rule</a>");
}
@Test public void testRuleAndAttribute() {
checkExpandMulti(
"<a href=\"${link java_binary.runtime_deps}\">runtime_deps attribute</a>",
"<a href=\"java.html#java_binary.runtime_deps\">runtime_deps attribute</a>");
checkExpandSingle(
"<a href=\"${link java_binary.runtime_deps}\">runtime_deps attribute</a>",
"<a href=\"#java_binary.runtime_deps\">runtime_deps attribute</a>");
}
@Test public void testUpperCaseRule() {
checkExpandMulti(
"<a href=\"${link Fileset.entries}\">entries</a>",
"<a href=\"fileset.html#Fileset.entries\">entries</a>");
checkExpandSingle(
"<a href=\"${link Fileset.entries}\">entries</a>",
"<a href=\"#Fileset.entries\">entries</a>");
}
@Test public void testRuleExamples() {
checkExpandMulti(
"<a href=\"${link cc_binary_examples}\">examples</a>",
"<a href=\"c-cpp.html#cc_binary_examples\">examples</a>");
checkExpandSingle(
"<a href=\"${link cc_binary_examples}\">examples</a>",
"<a href=\"#cc_binary_examples\">examples</a>");
}
@Test public void testRuleArgs() {
checkExpandMulti(
"<a href=\"${link cc_binary_args}\">args</a>",
"<a href=\"c-cpp.html#cc_binary_args\">args</a>");
checkExpandSingle(
"<a href=\"${link cc_binary_args}\">args</a>",
"<a href=\"#cc_binary_args\">args</a>");
}
@Test public void testRuleImplicitOutputsj() {
checkExpandMulti(
"<a href=\"${link cc_binary_implicit_outputs}\">args</a>",
"<a href=\"c-cpp.html#cc_binary_implicit_outputs\">args</a>");
checkExpandSingle(
"<a href=\"${link cc_binary_implicit_outputs}\">args</a>",
"<a href=\"#cc_binary_implicit_outputs\">args</a>");
}
@Test
public void testStaticPageRef_pageReplacedBySinglePageBE() {
checkExpandMulti(
"<a href=\"${link common-definitions}\">Common Definitions</a>",
"<a href=\"common-definitions.html\">Common Definitions</a>");
checkExpandSingle(
"<a href=\"${link common-definitions}\">Common Definitions</a>",
"<a href=\"#common-definitions\">Common Definitions</a>");
}
@Test
public void testStaticPageRef_separatePage() {
checkExpandMulti(
"<a href=\"${link standalone}\">standalone</a>",
"<a href=\"standalone.html\">standalone</a>");
checkExpandSingle(
"<a href=\"${link standalone}\">standalone</a>",
"<a href=\"standalone.html\">standalone</a>");
}
@Test
public void testRefNotFound() {
String docs = "<a href=\"${link foo.bar}\">bar</a>";
assertThrows(
IllegalArgumentException.class,
() -> {
multiPageExpander.expand(docs);
});
}
@Test
public void testIncorrectStaticPageHeadingLink() {
String docs = "<a href=\"${link common-definitions.label-expansion}\">Label Expansion</a>";
assertThrows(
IllegalArgumentException.class,
() -> {
multiPageExpander.expand(docs);
});
}
@Test public void testRuleHeadingLink() {
checkExpandMulti(
"<a href=\"${link cc_library#alwayslink_lib_example}\">examples</a>",
"<a href=\"c-cpp.html#alwayslink_lib_example\">examples</a>");
checkExpandSingle(
"<a href=\"${link cc_library#alwayslink_lib_example}\">examples</a>",
"<a href=\"#alwayslink_lib_example\">examples</a>");
}
@Test
public void testStaticPageHeadingLink_pageReplacedBySinglePageBE() {
checkExpandMulti(
"<a href=\"${link make-variables#predefined_variables.genrule.cmd}\">genrule cmd</a>",
"<a href=\"make-variables.html#predefined_variables.genrule.cmd\">genrule cmd</a>");
checkExpandSingle(
"<a href=\"${link make-variables#predefined_variables.genrule.cmd}\">genrule cmd</a>",
"<a href=\"#predefined_variables.genrule.cmd\">genrule cmd</a>");
}
@Test
public void testStaticPageHeadingLink_separatePage() {
checkExpandMulti(
"<a href=\"${link standalone#foobar}\">standalone</a>",
"<a href=\"standalone.html#foobar\">standalone</a>");
checkExpandSingle(
"<a href=\"${link standalone#foobar}\">standalone</a>",
"<a href=\"standalone.html#foobar\">standalone</a>");
}
@Test public void testExpandRef() {
assertThat(multiPageExpander.expandRef("java_binary.runtime_deps"))
.isEqualTo("java.html#java_binary.runtime_deps");
assertThat(singlePageExpander.expandRef("java_binary.runtime_deps"))
.isEqualTo("#java_binary.runtime_deps");
}
@Test
public void testExcplicitBuildEncyclopediaRoot() {
DocLinkMap linkMap = new DocLinkMap("/be_root", ImmutableMap.of());
RuleLinkExpander expander =
new RuleLinkExpander(ImmutableMap.of("java_binary", "java"), false, linkMap);
assertThat(expander.expand("<a href=\"${link java_binary}\">java_binary rule</a>"))
.isEqualTo("<a href=\"/be_root/java.html#java_binary\">java_binary rule</a>");
}
}