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/*
* Copyright 2008 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.deps;
import com.google.common.collect.ImmutableList;
import com.google.javascript.jscomp.ErrorManager;
import com.google.javascript.jscomp.PrintStreamErrorManager;
import junit.framework.TestCase;
import java.util.Collections;
/**
* Tests for {@link JsFileParser}.
*
* @author agrieve@google.com (Andrew Grieve)
*/
public class JsFileParserTest extends TestCase {
JsFileParser parser;
private ErrorManager errorManager;
private static final String SRC_PATH = "a";
private static final String CLOSURE_PATH = "b";
@Override
public void setUp() {
errorManager = new PrintStreamErrorManager(System.err);
parser = new JsFileParser(errorManager);
parser.setShortcutMode(true);
}
/**
* Tests:
* -Parsing of comments,
* -Parsing of different styles of quotes,
* -Correct recording of what was parsed.
*/
public void testParseFile() {
String contents = "/*"
+ "goog.provide('no1');*//*\n"
+ "goog.provide('no2');\n"
+ "*/goog.provide('yes1');\n"
+ "/* blah */goog.provide(\"yes2\")/* blah*/\n"
+ "goog.require('yes3'); // goog.provide('no3');\n"
+ "// goog.provide('no4');\n"
+ "goog.require(\"bar.data.SuperstarAddStarThreadActionRequestDelegate\"); "
+ "//no new line at EOF";
DependencyInfo expected = new SimpleDependencyInfo(CLOSURE_PATH, SRC_PATH,
ImmutableList.of("yes1", "yes2"),
ImmutableList.of("yes3", "bar.data.SuperstarAddStarThreadActionRequestDelegate"));
DependencyInfo result = parser.parseFile(SRC_PATH, CLOSURE_PATH, contents);
assertDeps(expected, result);
}
public void testMultiplePerLine() {
String contents = "goog.provide('yes1');goog.provide('yes2');/*"
+ "goog.provide('no1');*/goog.provide('yes3');//goog.provide('no2');";
DependencyInfo expected = new SimpleDependencyInfo(CLOSURE_PATH, SRC_PATH,
ImmutableList.of("yes1", "yes2", "yes3"), Collections.<String>emptyList());
DependencyInfo result = parser.parseFile(SRC_PATH, CLOSURE_PATH, contents);
assertDeps(expected, result);
}
public void testShortcutMode1() {
// For efficiency reasons, we stop reading after the ctor.
String contents = " // hi ! \n /* this is a comment */ "
+ "goog.provide('yes1');\n /* and another comment */ \n"
+ "goog.provide('yes2'); // include this\n"
+ "function foo() {}\n"
+ "goog.provide('no1');";
DependencyInfo expected = new SimpleDependencyInfo(CLOSURE_PATH, SRC_PATH,
ImmutableList.of("yes1", "yes2"), Collections.<String>emptyList());
DependencyInfo result = parser.parseFile(SRC_PATH, CLOSURE_PATH, contents);
assertDeps(expected, result);
}
public void testShortcutMode2() {
String contents = "/** goog.provide('no1'); \n" +
" * goog.provide('no2');\n */\n"
+ "goog.provide('yes1');\n";
DependencyInfo expected = new SimpleDependencyInfo(CLOSURE_PATH, SRC_PATH,
ImmutableList.of("yes1"), Collections.<String>emptyList());
DependencyInfo result = parser.parseFile(SRC_PATH, CLOSURE_PATH, contents);
assertDeps(expected, result);
}
public void testShortcutMode3() {
String contents = "/**\n" +
" * goog.provide('no1');\n */\n"
+ "goog.provide('yes1');\n";
DependencyInfo expected = new SimpleDependencyInfo(CLOSURE_PATH, SRC_PATH,
ImmutableList.of("yes1"), Collections.<String>emptyList());
DependencyInfo result = parser.parseFile(SRC_PATH, CLOSURE_PATH, contents);
assertDeps(expected, result);
}
public void testIncludeGoog1() {
String contents = "/**\n" +
" * the first constant in base.js\n" +
" */\n" +
"var COMPILED = false;\n";
DependencyInfo expected = new SimpleDependencyInfo(CLOSURE_PATH, SRC_PATH,
ImmutableList.of("goog"), Collections.<String>emptyList());
DependencyInfo result = parser.setIncludeGoogBase(true).parseFile(
SRC_PATH, CLOSURE_PATH, contents);
assertDeps(expected, result);
}
public void testIncludeGoog2() {
String contents = "goog.require('bar');";
DependencyInfo expected = new SimpleDependencyInfo(CLOSURE_PATH, SRC_PATH,
ImmutableList.<String>of(), ImmutableList.of("goog", "bar"));
DependencyInfo result = parser.setIncludeGoogBase(true).parseFile(
SRC_PATH, CLOSURE_PATH, contents);
assertDeps(expected, result);
}
public void testIncludeGoog3() {
// This guy is pretending to provide goog, but he really doesn't.
String contents = "goog.provide('x');\n" +
"/**\n" +
" * the first constant in base.js\n" +
" */\n" +
"var COMPILED = false;\n";
DependencyInfo expected = new SimpleDependencyInfo(CLOSURE_PATH, SRC_PATH,
ImmutableList.of("x"), ImmutableList.of("goog"));
DependencyInfo result = parser.setIncludeGoogBase(true).parseFile(
SRC_PATH, CLOSURE_PATH, contents);
assertDeps(expected, result);
}
public void testIncludeGoog4() {
String contents = "goog.addDependency('foo', [], []);\n";
DependencyInfo expected = new SimpleDependencyInfo(CLOSURE_PATH, SRC_PATH,
ImmutableList.<String>of(), ImmutableList.of("goog"));
DependencyInfo result = parser.setIncludeGoogBase(true).parseFile(
SRC_PATH, CLOSURE_PATH, contents);
assertDeps(expected, result);
}
/** Asserts the deps match without errors */
private void assertDeps(DependencyInfo expected, DependencyInfo actual) {
assertEquals(expected, actual);
assertEquals(0, errorManager.getErrorCount());
assertEquals(0, errorManager.getWarningCount());
}
}
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