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| 1 | +/* |
| 2 | + * Copyright 2016-2025 DiffPlug |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + */ |
| 16 | +package com.diffplug.spotless.java; |
| 17 | + |
| 18 | +import static com.diffplug.spotless.java.RemoveUnusedImportsStep.DEFAULT_FORMATTER; |
| 19 | +import static com.diffplug.spotless.java.RemoveUnusedImportsStep.NAME; |
| 20 | +import static com.diffplug.spotless.java.RemoveUnusedImportsStep.defaultFormatter; |
| 21 | +import static org.junit.jupiter.api.Assertions.assertEquals; |
| 22 | +import static org.junit.jupiter.api.Assertions.assertThrows; |
| 23 | + |
| 24 | +import java.util.Collections; |
| 25 | + |
| 26 | +import org.junit.jupiter.api.Test; |
| 27 | + |
| 28 | +import com.diffplug.spotless.maven.MavenIntegrationHarness; |
| 29 | + |
| 30 | +class RemoveUnusedImportsStepTest extends MavenIntegrationHarness { |
| 31 | + |
| 32 | + @Test |
| 33 | + void testRemoveUnusedImports() throws Exception { |
| 34 | + writePomWithJavaSteps("<removeUnusedImports/>"); |
| 35 | + |
| 36 | + String path = "src/main/java/test.java"; |
| 37 | + setFile(path).toResource("java/removeunusedimports/JavaCodeWithPackageUnformatted.test"); |
| 38 | + mavenRunner().withArguments("spotless:apply").runNoError(); |
| 39 | + assertFile(path).sameAsResource("java/removeunusedimports/JavaCodeWithPackageFormatted.test"); |
| 40 | + } |
| 41 | + |
| 42 | + @Test |
| 43 | + void testDefaults() { |
| 44 | + assertEquals("palantir-java-format", defaultFormatter()); |
| 45 | + assertEquals("palantir-java-format", DEFAULT_FORMATTER); |
| 46 | + assertEquals("removeUnusedImports", NAME); |
| 47 | + } |
| 48 | + |
| 49 | + @Test |
| 50 | + void testCreateWithDefaultFormatter() { |
| 51 | + assertEquals(NAME, RemoveUnusedImportsStep.create((groupArtifact, version) -> Collections.emptySet()).getName()); |
| 52 | + } |
| 53 | + |
| 54 | + @Test |
| 55 | + void testCreateWithPalantirFormatter() { |
| 56 | + assertEquals(NAME, RemoveUnusedImportsStep.create("palantir-java-format", (groupArtifact, version) -> Collections.emptySet()).getName()); |
| 57 | + } |
| 58 | + |
| 59 | + @Test |
| 60 | + void testCreateWithCleanthatFormatter() { |
| 61 | + assertEquals(NAME, RemoveUnusedImportsStep.create("cleanthat-javaparser-unnecessaryimport", (groupArtifact, version) -> Collections.emptySet()).getName()); |
| 62 | + } |
| 63 | + |
| 64 | + @Test |
| 65 | + void testCreateWithInvalidFormatter() { |
| 66 | + assertThrows(IllegalArgumentException.class, () -> RemoveUnusedImportsStep.create("invalid-formatter", (groupArtifact, version) -> Collections.emptySet())); |
| 67 | + } |
| 68 | + |
| 69 | + @Test |
| 70 | + void testCreateWithNullProvisioner() { |
| 71 | + assertThrows(NullPointerException.class, () -> RemoveUnusedImportsStep.create("palantir-java-format", null)); |
| 72 | + } |
| 73 | +} |
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