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IndentStepTest.java
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IndentStepTest.java
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/*
* Copyright 2016-2022 DiffPlug
*
* 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.diffplug.spotless.generic;
import java.io.File;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import com.diffplug.spotless.FormatterStep;
import com.diffplug.spotless.ResourceHarness;
import com.diffplug.spotless.SerializableEqualityTester;
import com.diffplug.spotless.StepHarness;
class IndentStepTest extends ResourceHarness {
@Test
void tabToTab() throws Throwable {
FormatterStep indent = IndentStep.Type.TAB.create(4);
assertOnResources(indent, "indent/IndentedWithTab.test", "indent/IndentedWithTab.test");
}
@Test
void spaceToSpace() throws Throwable {
FormatterStep indent = IndentStep.Type.SPACE.create(4);
assertOnResources(indent, "indent/IndentedWithSpace.test", "indent/IndentedWithSpace.test");
}
@Test
void spaceToTab() throws Throwable {
FormatterStep indent = IndentStep.Type.TAB.create(4);
assertOnResources(indent, "indent/IndentedWithSpace.test", "indent/IndentedWithTab.test");
}
@Test
void tabToSpace() throws Throwable {
FormatterStep indent = IndentStep.Type.SPACE.create(4);
assertOnResources(indent, "indent/IndentedWithTab.test", "indent/IndentedWithSpace.test");
}
@Test
void doesntClipNewlines() throws Throwable {
FormatterStep indent = IndentStep.Type.SPACE.create(4);
String blankNewlines = "\n\n\n\n";
Assertions.assertEquals(blankNewlines, indent.format(blankNewlines, new File("")));
}
@Test
void equality() {
new SerializableEqualityTester() {
IndentStep.Type type = IndentStep.Type.SPACE;
int numSpacesPerTab = 2;
@Override
protected void setupTest(API api) {
api.areDifferentThan();
numSpacesPerTab = 4;
api.areDifferentThan();
type = IndentStep.Type.TAB;
api.areDifferentThan();
numSpacesPerTab = 2;
api.areDifferentThan();
}
@Override
protected FormatterStep create() {
return type.create(numSpacesPerTab);
}
}.testEquals();
}
@Test
void allowLeadingSpaceIfMultiLineComment() throws Exception {
StepHarness.forStep(IndentStep.Type.TAB.create(4))
.testUnaffected("* test")
.testUnaffected(" * test")
.testUnaffected("\t* test")
.test(" * test", "\t* test");
}
}