| // Copyright (C) 2020 The Android Open Source Project |
| // |
| // 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.google.gerrit.plugins.codeowners.testing; |
| |
| import static com.google.common.truth.Truth.assertAbout; |
| import static com.google.gerrit.truth.OptionalSubject.optionals; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.truth.Correspondence; |
| import com.google.common.truth.FailureMetadata; |
| import com.google.common.truth.Subject; |
| import com.google.gerrit.plugins.codeowners.common.ChangedFile; |
| import com.google.gerrit.plugins.codeowners.util.JgitPath; |
| import com.google.gerrit.truth.ListSubject; |
| import com.google.gerrit.truth.NullAwareCorrespondence; |
| import com.google.gerrit.truth.OptionalSubject; |
| import java.util.Collection; |
| |
| /** {@link Subject} for doing assertions on {@link ChangedFile}s. */ |
| public class ChangedFileSubject extends Subject { |
| /** |
| * Constructs a {@link Correspondence} that maps {@link ChangedFile}s to their paths (new path if |
| * set, otherwise old path). |
| */ |
| public static Correspondence<ChangedFile, String> hasPath() { |
| return NullAwareCorrespondence.transforming( |
| changedFile -> |
| JgitPath.of( |
| changedFile.newPath().isPresent() |
| ? changedFile.newPath().get() |
| : changedFile.oldPath().get()) |
| .get(), |
| "has path"); |
| } |
| |
| /** |
| * Starts fluent chain to do assertions on a {@link ChangedFile}. |
| * |
| * @param changedFile the changed file on which assertions should be done |
| * @return the created {@link ChangedFileSubject} |
| */ |
| public static ChangedFileSubject assertThat(ChangedFile changedFile) { |
| return assertAbout(changedFiles()).that(changedFile); |
| } |
| |
| /** Starts fluent chain to do assertions on a collection of {@link ChangedFile}s. */ |
| public static ListSubject<ChangedFileSubject, ChangedFile> assertThatCollection( |
| Collection<ChangedFile> changedFiles) { |
| return ListSubject.assertThat(ImmutableList.copyOf(changedFiles), changedFiles()); |
| } |
| |
| /** Creates subject factory for mapping {@link ChangedFile}s to {@link ChangedFileSubject}s. */ |
| public static Subject.Factory<ChangedFileSubject, ChangedFile> changedFiles() { |
| return ChangedFileSubject::new; |
| } |
| |
| private final ChangedFile changedFile; |
| |
| private ChangedFileSubject(FailureMetadata metadata, ChangedFile changedFile) { |
| super(metadata, changedFile); |
| this.changedFile = changedFile; |
| } |
| |
| /** Returns an {@link OptionalSubject} for the new path. */ |
| public OptionalSubject<Subject, ?> hasNewPath() { |
| return check("newPath()").about(optionals()).that(changedFile().newPath()); |
| } |
| |
| /** Returns an {@link OptionalSubject} for the old path. */ |
| public OptionalSubject<Subject, ?> hasOldPath() { |
| return check("oldPath()").about(optionals()).that(changedFile().oldPath()); |
| } |
| |
| /** Checks whether it's a rename. */ |
| public void isRename() { |
| check("isRename()").that(changedFile().isRename()).isTrue(); |
| } |
| |
| /** Checks whether it's not a rename. */ |
| public void isNoRename() { |
| check("isNoRename()").that(changedFile().isRename()).isFalse(); |
| } |
| |
| /** Checks whether it's a deletion. */ |
| public void isDeletion() { |
| check("isDeletion()").that(changedFile().isDeletion()).isTrue(); |
| } |
| |
| /** Checks whether it's not a deletion. */ |
| public void isNoDeletion() { |
| check("isNoDeletion()").that(changedFile().isDeletion()).isFalse(); |
| } |
| |
| private ChangedFile changedFile() { |
| isNotNull(); |
| return changedFile; |
| } |
| } |