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b825a2b5a8
The only remaining methods on ExceptionRule after this are methods that also exist on ExpectedException, which will allow us to, in the next CL, swap out the one for the other and then run the automated refactoring to turn it all into assertThrows/expectThrows. Note that there were some assertions about root causes that couldn't easily be turned into ExpectedException invocations, so I simply converted them directly to usages of assertThrows/expectThrows. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=178623431
74 lines
2.7 KiB
Java
74 lines
2.7 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.base.Preconditions.checkState;
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import static com.google.common.base.Strings.nullToEmpty;
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import static google.registry.testing.EppExceptionSubject.assertAboutEppExceptions;
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import google.registry.flows.EppException;
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import javax.annotation.Nullable;
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import org.junit.rules.TestRule;
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import org.junit.runner.Description;
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import org.junit.runners.model.Statement;
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/**
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* A test rule similar to JUnit's {@code ExpectedException} rule that does extra checking to ensure
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* that {@link EppException} derivatives have EPP-compliant error messages.
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*/
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public class ExceptionRule implements TestRule {
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@Nullable
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Class<? extends Throwable> expectedExceptionClass;
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@Nullable
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String expectedMessage;
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@Override
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public Statement apply(final Statement base, Description description) {
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return new Statement() {
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@Override
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public void evaluate() throws Throwable {
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try {
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base.evaluate();
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if (expectedExceptionClass != null) {
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throw new AssertionError(String.format(
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"Expected test to throw %s%s",
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expectedExceptionClass.getSimpleName(),
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expectedMessage == null ? "" : (" with message: " + expectedMessage)));
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}
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} catch (Throwable e) {
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if (expectedExceptionClass == null
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|| !(expectedExceptionClass.isAssignableFrom(e.getClass())
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&& nullToEmpty(e.getMessage()).contains(nullToEmpty(expectedMessage)))) {
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throw e; // We didn't expect this so pass it through.
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}
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if (e instanceof EppException) {
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assertAboutEppExceptions().that((EppException) e).marshalsToXml();
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}
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}
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}};
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}
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public void expect(Class<? extends Throwable> expectedExceptionClass) {
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checkState(this.expectedExceptionClass == null,
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"Don't use multiple `thrown.expect()` statements in your test.");
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this.expectedExceptionClass = expectedExceptionClass;
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}
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public void expectMessage(String expectedMessage) {
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this.expectedMessage = expectedMessage;
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}
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}
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