Version/test/com/dorkbox/version/expr/LexerTest.java

84 lines
3.1 KiB
Java

/*
* The MIT License
*
* Copyright 2012-2018 The SemanticVersioning Authors (see LICENSE file in root of project).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.dorkbox.version.expr;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.fail;
import org.junit.Test;
import com.dorkbox.version.expr.Lexer.Token;
import com.dorkbox.version.expr.Lexer.Token.Type;
import com.dorkbox.version.util.Stream;
/**
* @author Zafar Khaja <zafarkhaja@gmail.com>
*/
public
class LexerTest {
@Test
public
void shouldEndWithEol() {
Token[] expected = {new Token(Type.NUMERIC, "1", 0), new Token(Type.DOT, ".", 1), new Token(Type.NUMERIC, "2", 2), new Token(Type.DOT, ".", 3), new Token(
Type.NUMERIC, "3", 4),
new Token(Type.EOI, null, 5),};
Lexer lexer = new Lexer();
Stream<Token> stream = lexer.tokenize("1.2.3");
assertArrayEquals(expected, stream.toArray());
}
@Test
public
void shouldRaiseErrorOnIllegalCharacter() {
Lexer lexer = new Lexer();
try {
lexer.tokenize("@1.0.0");
} catch (LexerException e) {
return;
}
fail("Should raise error on illegal character");
}
@Test
public
void shouldSkipWhitespaces() {
Token[] expected = {new Token(Type.GREATER, ">", 0), new Token(Type.NUMERIC, "1", 2), new Token(Type.EOI, null, 3),};
Lexer lexer = new Lexer();
Stream<Token> stream = lexer.tokenize("> 1");
assertArrayEquals(expected, stream.toArray());
}
@Test
public
void shouldTokenizeVersionString() {
Token[] expected = {new Token(Type.GREATER, ">", 0), new Token(Type.NUMERIC, "1", 1), new Token(Type.DOT, ".", 2), new Token(Type.NUMERIC, "0", 3), new Token(
Type.DOT, ".", 4),
new Token(Type.NUMERIC, "0", 5), new Token(Type.EOI, null, 6),};
Lexer lexer = new Lexer();
Stream<Token> stream = lexer.tokenize(">1.0.0");
assertArrayEquals(expected, stream.toArray());
}
}