org.openrewrite.java.cleanup.DefaultComesLastTest.kt Maven / Gradle / Ivy
/*
* Copyright 2020 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
*
* https://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.openrewrite.java.cleanup
import org.junit.jupiter.api.Test
import org.openrewrite.Recipe
import org.openrewrite.Tree
import org.openrewrite.java.JavaParser
import org.openrewrite.java.JavaRecipeTest
import org.openrewrite.style.NamedStyles
interface DefaultComesLastTest : JavaRecipeTest {
override val recipe: Recipe?
get() = DefaultComesLast()
@Test
fun moveDefaultToLastAlongWithItsStatementsAndAddBreakIfNecessary(jp: JavaParser) = assertChanged(
jp,
before = """
class Test {
int n;
{
switch (n) {
case 1:
break;
case 2:
break;
default:
System.out.println("default");
break;
case 3:
System.out.println("case3");
}
}
}
""",
after = """
class Test {
int n;
{
switch (n) {
case 1:
break;
case 2:
break;
case 3:
System.out.println("case3");
break;
default:
System.out.println("default");
}
}
}
"""
)
@Test
fun moveDefaultToLastWhenSharedWithAnotherCaseStatement(jp: JavaParser) = assertChanged(
jp,
before = """
class Test {
int n;
{
switch (n) {
case 1:
break;
case 2:
break;
case 3:
default:
break;
case 4:
case 5:
}
}
}
""",
after = """
class Test {
int n;
{
switch (n) {
case 1:
break;
case 2:
break;
case 4:
case 5:
break;
case 3:
default:
}
}
}
"""
)
@Test
fun skipIfLastAndSharedWithCase(jp: JavaParser.Builder<*, *>) = assertUnchanged(
jp.styles(
listOf(
NamedStyles(
Tree.randomId(), "test", "test", "test", emptySet(),
listOf(DefaultComesLastStyle(true))
)
)
).build(),
before = """
class Test {
int n;
{
switch (n) {
case 1:
break;
case 2:
default:
break;
case 3:
break;
}
}
}
"""
)
@Test
fun defaultIsLastAndThrows(jp: JavaParser) = assertUnchanged(
jp,
before = """
class Test {
int n;
{
switch (n) {
case 1:
break;
default:
throw new RuntimeException("unexpected value");
}
}
}
"""
)
@Test
fun defaultIsLastAndReturnsNonVoid(jp: JavaParser) = assertUnchanged(
jp,
before = """
class Test {
public int foo(int n) {
switch (n) {
case 1:
return 1;
default:
return 2;
}
}
}
"""
)
@Test
fun dontAddBreaksIfCasesArentMoving(jp: JavaParser) = assertUnchanged(
jp,
before = """
class Test {
int n;
boolean foo() {
switch (n) {
case 1:
case 2:
System.out.println("side effect");
default:
return true;
}
}
}
"""
)
@Test
fun dontRemoveExtraneousDefaultCaseBreaks(jp: JavaParser) = assertUnchanged(
jp,
before = """
class Test {
int n;
void foo() {
switch (n) {
default:
break;
}
}
}
"""
)
@Test
fun allCasesGroupedWithDefault(jp: JavaParser) = assertUnchanged(
jp,
before = """
class Test {
int n;
boolean foo() {
switch (n) {
case 1:
case 2:
default:
return true;
}
}
}
"""
)
}