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// Copyright (C) 2019 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.git.testing;
import static com.google.common.truth.Truth.assertAbout;
import static java.util.concurrent.TimeUnit.SECONDS;
import com.google.common.truth.FailureMetadata;
import com.google.common.truth.Subject;
import java.sql.Timestamp;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.revwalk.RevCommit;
/** Subject over JGit {@link RevCommit}s. */
public class CommitSubject extends Subject {
/**
* Constructs a new subject.
*
* @param commit the commit.
* @return a new subject over the commit.
*/
public static CommitSubject assertThat(RevCommit commit) {
return assertAbout(CommitSubject::new).that(commit);
}
/**
* Performs some common assertions over a single commit.
*
* @param commit the commit.
* @param expectedCommitMessage exact expected commit message.
* @param expectedCommitTimestamp expected commit timestamp, to the tolerance specified in {@link
* #hasCommitTimestamp(Timestamp)}.
* @param expectedSha1 expected commit SHA-1.
*/
public static void assertCommit(
RevCommit commit,
String expectedCommitMessage,
Timestamp expectedCommitTimestamp,
ObjectId expectedSha1) {
CommitSubject commitSubject = assertThat(commit);
commitSubject.hasCommitMessage(expectedCommitMessage);
commitSubject.hasCommitTimestamp(expectedCommitTimestamp);
commitSubject.hasSha1(expectedSha1);
}
private final RevCommit commit;
private CommitSubject(FailureMetadata metadata, RevCommit commit) {
super(metadata, commit);
this.commit = commit;
}
/**
* Asserts that the commit has the given commit message.
*
* @param expectedCommitMessage exact expected commit message.
*/
public void hasCommitMessage(String expectedCommitMessage) {
isNotNull();
check("getFullMessage()").that(commit.getFullMessage()).isEqualTo(expectedCommitMessage);
}
/**
* Asserts that the commit has the given commit message, up to skew of at most 1 second.
*
* @param expectedCommitTimestamp expected commit timestamp.
*/
public void hasCommitTimestamp(Timestamp expectedCommitTimestamp) {
isNotNull();
long timestampDiffMs =
Math.abs(commit.getCommitTime() * 1000L - expectedCommitTimestamp.getTime());
check("commitTimestampDiff()").that(timestampDiffMs).isAtMost(SECONDS.toMillis(1));
}
/**
* Asserts that the commit has the given SHA-1.
*
* @param expectedSha1 expected commit SHA-1.
*/
public void hasSha1(ObjectId expectedSha1) {
isNotNull();
check("sha1()").that(commit).isEqualTo(expectedSha1);
}
}