| // 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.lib.analysis; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.lib.packages.AbstractRuleErrorConsumer; |
| import com.google.devtools.build.lib.packages.RuleErrorConsumer; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.function.Function; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link LocationExpander}. */ |
| @RunWith(JUnit4.class) |
| public class LocationExpanderTest { |
| private static final class Capture extends AbstractRuleErrorConsumer |
| implements RuleErrorConsumer { |
| private final List<String> warnsOrErrors = new ArrayList<>(); |
| |
| @Override |
| public void ruleWarning(String message) { |
| warnsOrErrors.add("WARN: " + message); |
| } |
| |
| @Override |
| public void ruleError(String message) { |
| warnsOrErrors.add("ERROR: " + message); |
| } |
| |
| @Override |
| public void attributeWarning(String attrName, String message) { |
| warnsOrErrors.add("WARN-" + attrName + ": " + message); |
| } |
| |
| @Override |
| public void attributeError(String attrName, String message) { |
| warnsOrErrors.add("ERROR-" + attrName + ": " + message); |
| } |
| |
| @Override |
| public boolean hasErrors() { |
| return !warnsOrErrors.isEmpty(); |
| } |
| } |
| |
| private LocationExpander makeExpander(RuleErrorConsumer ruleErrorConsumer) throws Exception { |
| return new LocationExpander( |
| ruleErrorConsumer, |
| ImmutableMap.<String, Function<String, String>>of( |
| "location", (String s) -> "one(" + s + ")", |
| "locations", (String s) -> "more(" + s + ")")); |
| } |
| |
| private String expand(String input) throws Exception { |
| return makeExpander(new Capture()).expand(input); |
| } |
| |
| @Test |
| public void noExpansion() throws Exception { |
| assertThat(expand("abc")).isEqualTo("abc"); |
| } |
| |
| @Test |
| public void oneOrMore() throws Exception { |
| assertThat(expand("$(location a)")).isEqualTo("one(a)"); |
| assertThat(expand("$(locations b)")).isEqualTo("more(b)"); |
| assertThat(expand("---$(location a)---")).isEqualTo("---one(a)---"); |
| } |
| |
| @Test |
| public void twoInOne() throws Exception { |
| assertThat(expand("$(location a) $(locations b)")).isEqualTo("one(a) more(b)"); |
| } |
| |
| @Test |
| public void notAFunction() throws Exception { |
| assertThat(expand("$(locationz a)")).isEqualTo("$(locationz a)"); |
| } |
| |
| @Test |
| public void missingClosingParen() throws Exception { |
| Capture capture = new Capture(); |
| String value = makeExpander(capture).expand("foo $(location a"); |
| // In case of an error, no location expansion is performed. |
| assertThat(value).isEqualTo("foo $(location a"); |
| assertThat(capture.warnsOrErrors).containsExactly("ERROR: unterminated $(location) expression"); |
| } |
| |
| // In case of errors, the exact return value is unspecified. However, we don't want to |
| // accidentally change the behavior even in this unspecified case - that's why I added a test |
| // here. |
| @Test |
| public void noExpansionOnError() throws Exception { |
| Capture capture = new Capture(); |
| String value = makeExpander(capture).expand("foo $(location a) $(location a"); |
| assertThat(value).isEqualTo("foo $(location a) $(location a"); |
| assertThat(capture.warnsOrErrors).containsExactly("ERROR: unterminated $(location) expression"); |
| } |
| } |