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CheckProvidesSortedTest.java
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CheckProvidesSortedTest.java
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/*
* Copyright 2019 The Closure Compiler Authors.
*
* 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.javascript.jscomp.lint;
import static com.google.javascript.jscomp.lint.CheckProvidesSorted.PROVIDES_NOT_SORTED;
import com.google.javascript.jscomp.Compiler;
import com.google.javascript.jscomp.CompilerOptions;
import com.google.javascript.jscomp.CompilerOptions.LanguageMode;
import com.google.javascript.jscomp.CompilerPass;
import com.google.javascript.jscomp.CompilerTestCase;
import com.google.javascript.jscomp.NodeTraversal;
import com.google.javascript.jscomp.parsing.Config.JsDocParsing;
import com.google.javascript.rhino.Node;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link CheckProvidesSorted}.
*
* <p>Note that the sort/deduplication logic is extensively tested by {@link ErrorToFixMapperTest}.
* These tests are only for asserting that warnings are reported correctly.
*/
@RunWith(JUnit4.class)
public final class CheckProvidesSortedTest extends CompilerTestCase {
@Override
protected CompilerPass getProcessor(Compiler compiler) {
CheckProvidesSorted callback =
new CheckProvidesSorted(CheckProvidesSorted.Mode.COLLECT_AND_REPORT);
return new CompilerPass() {
@Override
public void process(Node externs, Node root) {
NodeTraversal.traverse(compiler, root, callback);
}
};
}
@Override
protected CompilerOptions getOptions() {
CompilerOptions options = super.getOptions();
options.setLanguage(LanguageMode.ECMASCRIPT_NEXT);
options.setParseJsDocDocumentation(JsDocParsing.INCLUDE_DESCRIPTIONS_WITH_WHITESPACE);
options.setPreserveDetailedSourceInfo(true);
options.setPrettyPrint(true);
options.setPreserveTypeAnnotations(true);
options.setPreferSingleQuotes(true);
options.setEmitUseStrict(false);
return options;
}
@Test
public void testNoWarning() {
testNoWarning(
lines(
"/** @fileoverview foo */",
"",
"goog.provide('a');",
"goog.provide('b');",
"goog.provide('c');",
"",
"alert(1);"));
}
@Test
public void testNoWarning_noProvides() {
testNoWarning(
lines("/** @fileoverview foo */", "", "goog.module('m');", "", "goog.require('x');"));
}
@Test
public void testWarning() {
test(
srcs(
lines(
"/** @fileoverview foo */",
"",
"goog.provide('b');",
"goog.provide('a');",
"goog.provide('c');",
"",
"alert(1);")),
warning(PROVIDES_NOT_SORTED)
.withMessageContaining(
lines(
"The correct order is:",
"",
"goog.provide('a');",
"goog.provide('b');",
"goog.provide('c');")));
}
}