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f61f1373df
Currently, hasLogAtLevelWithMessage gave a very generic "no log at level with message was found" error on failure. The user didn't know if there were no logs at all, or if there was a small typo in the log etc. Using the "regular" Truth assertions gives more informative errors in cleaner code. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=149007204
87 lines
2.9 KiB
Java
87 lines
2.9 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.testing;
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import static com.google.common.truth.Truth.assertAbout;
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import com.google.common.collect.ImmutableList;
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import com.google.common.testing.TestLogHandler;
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import com.google.common.truth.AbstractVerb.DelegatedVerb;
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import com.google.common.truth.Correspondence;
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import com.google.common.truth.FailureStrategy;
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import com.google.common.truth.Subject;
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import google.registry.testing.TruthChainer.And;
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import java.util.List;
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import java.util.logging.Handler;
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import java.util.logging.Level;
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import java.util.logging.LogRecord;
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/** Utility methods for asserting things about logging {@link Handler} instances. */
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public class LogsSubject extends Subject<LogsSubject, TestLogHandler> {
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/** A factory for instances of this subject. */
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private static class SubjectFactory
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extends ReflectiveSubjectFactory<TestLogHandler, LogsSubject> {}
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public LogsSubject(FailureStrategy strategy, TestLogHandler subject) {
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super(strategy, subject);
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}
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private static final Correspondence<String, String> CONTAINS_CORRESPONDENCE =
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new Correspondence<String, String>() {
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@Override
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public boolean compare(String actual, String expected) {
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return actual.contains(expected);
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}
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@Override
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public String toString() {
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return "contains";
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}
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};
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private List<String> getMessagesAtLevel(Level level) {
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ImmutableList.Builder<String> builder = ImmutableList.<String>builder();
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for (LogRecord log : actual().getStoredLogRecords()) {
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if (log.getLevel().equals(level)) {
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builder.add(log.getMessage());
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}
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}
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return builder.build();
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}
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public And<LogsSubject> hasNoLogsAtLevel(Level level) {
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check()
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.withFailureMessage("Logs at level %s", level)
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.that(getMessagesAtLevel(level))
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.isEmpty();
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return new And<>(this);
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}
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public And<LogsSubject> hasLogAtLevelWithMessage(Level level, String message) {
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check()
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.withFailureMessage("Logs at level %s", level)
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.that(getMessagesAtLevel(level))
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.comparingElementsUsing(CONTAINS_CORRESPONDENCE)
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.contains(message);
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return new And<>(this);
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}
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public static DelegatedVerb<LogsSubject, TestLogHandler> assertAboutLogs() {
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return assertAbout(new SubjectFactory());
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}
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}
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