google-nomulus/javatests/google/registry/testing/LogsSubject.java
jijiang 211d89695a Migrate from old *Verb* classes to new *SubjectBuilder* classes
This migration does not change any behavior.

More information: []

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=168248439
2017-09-12 15:51:58 -04:00

93 lines
3.3 KiB
Java

// Copyright 2017 The Nomulus Authors. All Rights Reserved.
//
// 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 google.registry.testing;
import static com.google.common.truth.Truth.assertAbout;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.collect.ImmutableList;
import com.google.common.testing.TestLogHandler;
import com.google.common.truth.Correspondence;
import com.google.common.truth.FailureStrategy;
import com.google.common.truth.SimpleSubjectBuilder;
import com.google.common.truth.StringSubject;
import com.google.common.truth.Subject;
import google.registry.testing.TruthChainer.Which;
import java.util.List;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
/** Utility methods for asserting things about logging {@link Handler} instances. */
public class LogsSubject extends Subject<LogsSubject, TestLogHandler> {
/** A factory for instances of this subject. */
private static class SubjectFactory
extends ReflectiveSubjectFactory<TestLogHandler, LogsSubject> {}
public LogsSubject(FailureStrategy strategy, TestLogHandler subject) {
super(strategy, subject);
}
private static final Correspondence<String, String> CONTAINS_CORRESPONDENCE =
new Correspondence<String, String>() {
@Override
public boolean compare(String actual, String expected) {
return actual.contains(expected);
}
@Override
public String toString() {
return "contains";
}
};
private List<String> getMessagesAtLevel(Level level) {
ImmutableList.Builder<String> builder = ImmutableList.<String>builder();
for (LogRecord log : actual().getStoredLogRecords()) {
if (log.getLevel().equals(level)) {
builder.add(log.getMessage());
}
}
return builder.build();
}
public void hasNoLogsAtLevel(Level level) {
check()
.withMessage("Logs at level %s", level)
.that(getMessagesAtLevel(level))
.isEmpty();
}
public Which<StringSubject> hasLogAtLevelWithMessage(Level level, String message) {
List<String> messagesAtLevel = getMessagesAtLevel(level);
check()
.withMessage("Logs at level %s", level)
.that(messagesAtLevel)
.comparingElementsUsing(CONTAINS_CORRESPONDENCE)
.contains(message);
for (String messageCandidate : messagesAtLevel) {
if (messageCandidate.contains(message)) {
return new Which<>(assertThat(messageCandidate)
.named(String.format("log message at %s matching '%s'", level, message)));
}
}
throw new AssertionError("Message check passed yet matching message not found");
}
public static SimpleSubjectBuilder<LogsSubject, TestLogHandler> assertAboutLogs() {
return assertAbout(new SubjectFactory());
}
}