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ima02/resources/defects4j-checkout-closure-1f/test/com/google/javascript/jscomp/ProcessCommonJSModulesTest.java

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2023-04-25 11:33:41 +00:00
/*
* Copyright 2011 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;
import java.util.List;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
/**
* Unit tests for {@link ProcessCommonJSModules}
*/
public class ProcessCommonJSModulesTest extends CompilerTestCase {
public ProcessCommonJSModulesTest() {
}
@Override
protected CompilerPass getProcessor(Compiler compiler) {
return new ProcessCommonJSModules(compiler, "foo/bar/", false);
}
@Override
protected int getNumRepetitions() {
return 1;
}
public void testWithoutExports() {
setFilename("test");
test(
"var name = require('name');" +
"name()",
"goog.provide('module$test');" +
"var module$test = {};" +
"goog.require('module$name');" +
"var name$$module$test = module$name;" +
"name$$module$test();");
setFilename("test/sub");
test(
"var name = require('mod/name');" +
"(function() { name(); })();",
"goog.provide('module$test$sub');" +
"var module$test$sub = {};" +
"goog.require('module$mod$name');" +
"var name$$module$test$sub = module$mod$name;" +
"(function() { name$$module$test$sub(); })();");
}
public void testExports() {
setFilename("test");
test(
"var name = require('name');" +
"exports.foo = 1;",
"goog.provide('module$test');" +
"var module$test = {};" +
"goog.require('module$name');" +
"var name$$module$test = module$name;" +
"module$test.foo = 1;");
test(
"var name = require('name');" +
"module.exports = function() {};",
"goog.provide('module$test');" +
"var module$test = {};" +
"goog.require('module$name');" +
"var name$$module$test = module$name;" +
"module$test.module$exports = function() {};" +
"if(module$test.module$exports)" +
"module$test=module$test.module$exports");
}
public void testVarRenaming() {
setFilename("test");
test(
"var a = 1, b = 2;" +
"(function() { var a; b = 4})()",
"goog.provide('module$test');" +
"var module$test = {};" +
"var a$$module$test = 1, b$$module$test = 2;" +
"(function() { var a; b$$module$test = 4})();");
}
public void testDash() {
setFilename("test-test");
test(
"var name = require('name'); exports.foo = 1;",
"goog.provide('module$test_test');" +
"var module$test_test = {};" +
"goog.require('module$name');" +
"var name$$module$test_test = module$name;" +
"module$test_test.foo = 1;");
}
public void testModuleName() {
assertEquals("module$foo$baz",
ProcessCommonJSModules.toModuleName("./baz.js", "foo/bar.js"));
assertEquals("module$foo$baz_bar",
ProcessCommonJSModules.toModuleName("./baz-bar.js", "foo/bar.js"));
assertEquals("module$baz",
ProcessCommonJSModules.toModuleName("../baz.js", "foo/bar.js"));
assertEquals("module$baz",
ProcessCommonJSModules.toModuleName("../../baz.js", "foo/bar/abc.js"));
assertEquals("module$baz", ProcessCommonJSModules.toModuleName(
"../../../baz.js", "foo/bar/abc/xyz.js"));
setFilename("foo/bar");
test(
"var name = require('name');",
"goog.provide('module$foo$bar'); var module$foo$bar = {};" +
"goog.require('module$name');" +
"var name$$module$foo$bar = module$name;");
test(
"var name = require('./name');",
"goog.provide('module$foo$bar');" +
"var module$foo$bar = {};" +
"goog.require('module$foo$name');" +
"var name$$module$foo$bar = module$foo$name;");
}
public void testGuessModuleName() {
ProcessCommonJSModules pass = new ProcessCommonJSModules(null, "foo");
assertEquals("module$baz",
pass.guessCJSModuleName("foo/baz.js"));
assertEquals("module$baz",
pass.guessCJSModuleName("foo\\baz.js"));
assertEquals("module$bar$baz",
pass.guessCJSModuleName("foo\\bar\\baz.js"));
}
public void testSortInputs() throws Exception {
SourceFile a = SourceFile.fromCode("a.js",
"require('b');require('c')");
SourceFile b = SourceFile.fromCode("b.js",
"require('d')");
SourceFile c = SourceFile.fromCode("c.js",
"require('d')");
SourceFile d = SourceFile.fromCode("d.js", "1;");
assertSortedInputs(
ImmutableList.of(d, b, c, a),
ImmutableList.of(a, b, c, d));
assertSortedInputs(
ImmutableList.of(d, b, c, a),
ImmutableList.of(d, b, c, a));
assertSortedInputs(
ImmutableList.of(d, c, b, a),
ImmutableList.of(d, c, b, a));
assertSortedInputs(
ImmutableList.of(d, b, c, a),
ImmutableList.of(d, a, b, c));
}
private void assertSortedInputs(
List<SourceFile> expected, List<SourceFile> shuffled)
throws Exception {
Compiler compiler = new Compiler(System.err);
compiler.initCompilerOptionsIfTesting();
compiler.getOptions().setProcessCommonJSModules(true);
compiler.getOptions().dependencyOptions.setEntryPoints(
Lists.newArrayList(ProcessCommonJSModules.toModuleName("a")));
compiler.compile(Lists.newArrayList(SourceFile.fromCode("externs.js", "")),
shuffled, compiler.getOptions());
List<SourceFile> result = Lists.newArrayList();
for (JSModule m : compiler.getModuleGraph().getAllModules()) {
for (CompilerInput i : m.getInputs()) {
result.add(i.getSourceFile());
}
}
assertEquals(expected, result);
}
}