87 lines
2.7 KiB
Kotlin
Executable File
87 lines
2.7 KiB
Kotlin
Executable File
/*
|
|
* Copyright 2023 dorkbox, llc
|
|
*
|
|
* 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 dorkbox.version.expr
|
|
|
|
import org.junit.Assert
|
|
import org.junit.Test
|
|
|
|
/**
|
|
* @author Zafar Khaja <zafarkhaja></zafarkhaja>@gmail.com>
|
|
*/
|
|
class LexerTest {
|
|
@Test
|
|
fun shouldEndWithEol() {
|
|
val expected = arrayOf(
|
|
Lexer.Token(Lexer.Token.Type.NUMERIC, "1", 0),
|
|
Lexer.Token(Lexer.Token.Type.DOT, ".", 1),
|
|
Lexer.Token(Lexer.Token.Type.NUMERIC, "2", 2),
|
|
Lexer.Token(
|
|
Lexer.Token.Type.DOT, ".", 3
|
|
),
|
|
Lexer.Token(
|
|
Lexer.Token.Type.NUMERIC, "3", 4
|
|
),
|
|
Lexer.Token(Lexer.Token.Type.EOI, "", 5)
|
|
)
|
|
val lexer = Lexer()
|
|
val stream = lexer.tokenize("1.2.3")
|
|
Assert.assertArrayEquals(expected, stream.toArray())
|
|
}
|
|
|
|
@Test
|
|
fun shouldRaiseErrorOnIllegalCharacter() {
|
|
val lexer = Lexer()
|
|
try {
|
|
lexer.tokenize("@1.0.0")
|
|
} catch (e: LexerException) {
|
|
return
|
|
}
|
|
Assert.fail("Should raise error on illegal character")
|
|
}
|
|
|
|
@Test
|
|
fun shouldSkipWhitespaces() {
|
|
val expected = arrayOf(
|
|
Lexer.Token(Lexer.Token.Type.GREATER, ">", 0), Lexer.Token(Lexer.Token.Type.NUMERIC, "1", 2), Lexer.Token(
|
|
Lexer.Token.Type.EOI, "", 3
|
|
)
|
|
)
|
|
val lexer = Lexer()
|
|
val stream = lexer.tokenize("> 1")
|
|
Assert.assertArrayEquals(expected, stream.toArray())
|
|
}
|
|
|
|
@Test
|
|
fun shouldTokenizeVersionString() {
|
|
val expected = arrayOf(
|
|
Lexer.Token(Lexer.Token.Type.GREATER, ">", 0),
|
|
Lexer.Token(Lexer.Token.Type.NUMERIC, "1", 1),
|
|
Lexer.Token(Lexer.Token.Type.DOT, ".", 2),
|
|
Lexer.Token(
|
|
Lexer.Token.Type.NUMERIC, "0", 3
|
|
),
|
|
Lexer.Token(
|
|
Lexer.Token.Type.DOT, ".", 4
|
|
),
|
|
Lexer.Token(Lexer.Token.Type.NUMERIC, "0", 5),
|
|
Lexer.Token(Lexer.Token.Type.EOI, "", 6)
|
|
)
|
|
val lexer = Lexer()
|
|
val stream = lexer.tokenize(">1.0.0")
|
|
Assert.assertArrayEquals(expected, stream.toArray())
|
|
}
|
|
}
|