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/*
* Copyright 2008 the original author or 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 org.gmetrics.source
import org.gmetrics.test.AbstractTestCase
/**
* Tests for SourceString
*
* @author Chris Mair
* @version $Revision: 155 $ - $Date: 2011-09-27 20:33:08 -0400 (Tue, 27 Sep 2011) $
*/
class SourceStringTest extends AbstractTestCase {
private static final SOURCE = '''class SampleFile {
int count
}'''
private sourceString
void testConstructor_NullSource() {
shouldFail { new SourceString(null) }
}
void testConstructor_EmptySource() {
shouldFail { new SourceString('') }
}
void testConstructor_DefaultPathAndName() {
assert sourceString.getPath() == null
assert sourceString.getName() == null
}
void testConstructor_PathAndName() {
sourceString = new SourceString(SOURCE, 'Path', 'Name')
assert sourceString.getPath() == 'Path'
assert sourceString.getName() == 'Name'
}
void testNormalizedPath() {
def originalFileSeparator = System.getProperty("file.separator")
try {
System.setProperty("file.separator", '\\')
sourceString.path = 'abc\\def\\ghi'
assert sourceString.path == 'abc/def/ghi'
assert new SourceString('src', '\\abc').path == '/abc'
System.setProperty("file.separator", '~')
assert new SourceString('src', '~abc~def').path == '/abc/def'
System.setProperty("file.separator", '/')
assert new SourceString('src', '/abc/def').path == '/abc/def'
}
finally {
System.setProperty("file.separator", originalFileSeparator)
}
}
void testGetText() {
def text = sourceString.text
assert text == SOURCE
// Make sure instance is cached
assert sourceString.text.is(text)
}
void testGetLines() {
def lines = sourceString.lines
assert lines == ['class SampleFile {', ' int count', ' }']
// Make sure instance is cached
assert sourceString.lines.is(lines)
}
void testLine() {
assert sourceString.line(0) == 'class SampleFile {'
assert sourceString.line(1) == 'int count'
assert sourceString.line(-1) == null
assert sourceString.line(3) == null
}
void testGetAst() {
def ast = sourceString.ast
log("classes=${ast.classes}")
assert ast.classes[0].name == 'SampleFile'
// Make sure instance is cached
assert sourceString.ast.is(ast)
}
void testGetAst_SetsDefaultClassNameForScriptClass() {
final SCRIPT = 'println 123'
sourceString = new SourceString(SCRIPT)
assert sourceString.ast.classes[0].name == 'Script'
}
void testGetAst_ReferencesClassNotInClasspath() {
final NEW_SOURCE = '''
import some.other.pkg.Processor
class MyClass extends Processor {
String name
Processor processor
}
'''
sourceString = new SourceString(NEW_SOURCE)
def ast = sourceString.ast
assert ast.classes[0].name == 'MyClass'
}
void testGetAst_CompilerErrorInSource() {
final NEW_SOURCE = '''
class MyClass {
try {
} catch(MyException e) {
// TODO Should do something here
}
}
'''
sourceString = new SourceString(NEW_SOURCE)
assert sourceString.ast == null
}
void testIsValid() {
assertTrue new SourceString(SOURCE).valid
assertFalse new SourceString('XC$%ED@#').valid
}
void testGetLineNumberForCharacterIndex() {
final NEW_SOURCE = '\nclass MyClass { \r\n try {\n} catch(MyException e) {\n// TODO \n }\n }\n'
// NEW_SOURCE.eachWithIndex { ch, i -> print "$i=${ch as int} " }
sourceString = new SourceString(NEW_SOURCE)
assert sourceString.getLineNumberForCharacterIndex(0) == 0
assert sourceString.getLineNumberForCharacterIndex(1) == 1
assert sourceString.getLineNumberForCharacterIndex(18) == 1
assert sourceString.getLineNumberForCharacterIndex(19) == 2
assert sourceString.getLineNumberForCharacterIndex(26) == 2
assert sourceString.getLineNumberForCharacterIndex(27) == 3
assert sourceString.getLineNumberForCharacterIndex(51) == 3
assert sourceString.getLineNumberForCharacterIndex(52) == 4
assert sourceString.getLineNumberForCharacterIndex(60) == 4
assert sourceString.getLineNumberForCharacterIndex(61) == 5
assert sourceString.getLineNumberForCharacterIndex(63) == 5
assert sourceString.getLineNumberForCharacterIndex(64) == 6
assert sourceString.getLineNumberForCharacterIndex(66) == 6
assert sourceString.getLineNumberForCharacterIndex(67) == -1
assert sourceString.getLineNumberForCharacterIndex(999) == -1
assert sourceString.getLineNumberForCharacterIndex(-1) == -1
}
void setUp() {
super.setUp()
sourceString = new SourceString(SOURCE)
}
}
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