/*
* 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.Lists;
import com.google.javascript.jscomp.ErrorManager;
import com.google.javascript.jscomp.PrintStreamErrorManager;
import com.google.javascript.jscomp.deps.JsFunctionParser.SymbolInfo;
import junit.framework.TestCase;
import java.util.Collection;
import java.util.Iterator;
/**
* Tests for {@link JsFunctionParser}
*
* @author agrieve@google.com (Andrew Grieve)
* @author ielashi@google.com (Islam El-Ashi)
*/
public class JsFunctionParserTest extends TestCase {
private static final String SRC_PATH = "a";
private JsFunctionParser parser;
private ErrorManager errorManager;
private Collection<String> functions = Lists.newArrayList(
"goog.require", "goog.provide");
@Override
public void setUp() {
errorManager = new PrintStreamErrorManager(System.err);
parser = new JsFunctionParser(functions, errorManager);
parser.setShortcutMode(true);
}
/**
* Tests:
* -Parsing of comments,
* -Parsing of different styles of quotes,
* -Correct recording of what was parsed.
*/
public void testParseFile() {
final 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";
Collection<SymbolInfo> symbols = parser.parseFile(SRC_PATH, CONTENTS);
Iterator<SymbolInfo> i = symbols.iterator();
SymbolInfo symbolInfo = i.next();
assertEquals(symbolInfo.symbol, "yes1");
assertEquals(symbolInfo.functionName, "goog.provide");
symbolInfo = i.next();
assertEquals(symbolInfo.symbol, "yes2");
assertEquals(symbolInfo.functionName, "goog.provide");
symbolInfo = i.next();
assertEquals(symbolInfo.symbol, "yes3");
assertEquals(symbolInfo.functionName, "goog.require");
symbolInfo = i.next();
assertEquals(symbolInfo.symbol,
"bar.data.SuperstarAddStarThreadActionRequestDelegate");
assertEquals(symbolInfo.functionName, "goog.require");
assertEquals(symbols.size(), 4);
assertEquals(0, errorManager.getErrorCount());
assertEquals(0, errorManager.getWarningCount());
}
public void testMultiplePerLine() {
final String CONTENTS = "goog.provide('yes1');goog.provide('yes2');/*"
+ "goog.provide('no1');*/goog.provide('yes3');//goog.provide('no2');";
Collection<SymbolInfo> symbols = parser.parseFile(SRC_PATH, CONTENTS);
Iterator<SymbolInfo> i = symbols.iterator();
SymbolInfo symbolInfo = i.next();
assertEquals(symbolInfo.symbol, "yes1");
assertEquals(symbolInfo.functionName, "goog.provide");
symbolInfo = i.next();
assertEquals(symbolInfo.symbol, "yes2");
assertEquals(symbolInfo.functionName, "goog.provide");
symbolInfo = i.next();
assertEquals(symbolInfo.symbol, "yes3");
assertEquals(symbolInfo.functionName, "goog.provide");
assertEquals(symbols.size(), 3);
assertEquals(0, errorManager.getErrorCount());
assertEquals(0, errorManager.getWarningCount());
}
public void testShortcutMode1() {
// For efficiency reasons, we stop reading after the ctor.
final 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');";
Collection<SymbolInfo> symbols = parser.parseFile(SRC_PATH, CONTENTS);
Iterator<SymbolInfo> i = symbols.iterator();
SymbolInfo symbolInfo = i.next();
assertEquals(symbolInfo.symbol, "yes1");
assertEquals(symbolInfo.functionName, "goog.provide");
symbolInfo = i.next();
assertEquals(symbolInfo.symbol, "yes2");
assertEquals(symbolInfo.functionName, "goog.provide");
assertEquals(symbols.size(), 2);
assertEquals(0, errorManager.getErrorCount());
assertEquals(0, errorManager.getWarningCount());
}
public void testShortcutMode2() {
final String CONTENTS = "/** goog.provide('no1'); \n" +
" * goog.provide('no2');\n */\n"
+ "goog.provide('yes1');\n";
Collection<SymbolInfo> symbols = parser.parseFile(SRC_PATH, CONTENTS);
Iterator<SymbolInfo> i = symbols.iterator();
SymbolInfo symbolInfo = i.next();
assertEquals(symbolInfo.symbol, "yes1");
assertEquals(symbolInfo.functionName, "goog.provide");
assertEquals(symbols.size(), 1);
assertEquals(0, errorManager.getErrorCount());
assertEquals(0, errorManager.getWarningCount());
}
public void testShortcutMode3() {
final String CONTENTS = "/**\n" +
" * goog.provide('no1');\n */\n"
+ "goog.provide('yes1');\n";
Collection<SymbolInfo> symbols = parser.parseFile(SRC_PATH, CONTENTS);
Iterator<SymbolInfo> i = symbols.iterator();
SymbolInfo symbolInfo = i.next();
assertEquals(symbolInfo.symbol, "yes1");
assertEquals(symbolInfo.functionName, "goog.provide");
assertEquals(0, errorManager.getErrorCount());
assertEquals(0, errorManager.getWarningCount());
}
}