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// Copyright 2014 Google Inc. 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 com.google.devtools.build.lib.testutil;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Test annotations used to select which tests to run in a given situation.
*/
public enum Suite {
/**
* It's so blazingly fast and lightweight we run it whenever we make any
* build.lib change. This size is the default.
*/
SMALL_TESTS,
/**
* It's a bit too slow to run all the time, but it still tests some
* unit of functionality. May run external commands such as gcc, for example.
*/
MEDIUM_TESTS,
/**
* I don't even want to think about running this one after every edit,
* but I don't mind if the continuous build runs it, and I'm happy to have
* it before making a release.
*/
LARGE_TESTS,
/**
* These tests take a long time. They should only ever be run manually and probably from their
* own Blaze test target.
*/
ENORMOUS_TESTS;
/**
* Given a class, determine the test size.
*/
public static Suite getSize(Class<?> clazz) {
return getAnnotationElementOrDefault(clazz, "size");
}
/**
* Given a class, determine the suite it belongs to.
*/
public static String getSuiteName(Class<?> clazz) {
return getAnnotationElementOrDefault(clazz, "suite");
}
/**
* Given a class, determine if it is flaky.
*/
public static boolean isFlaky(Class<?> clazz) {
return getAnnotationElementOrDefault(clazz, "flaky");
}
/**
* Returns the value of the given element in the {@link TestSpec} annotation of the given class,
* or the default value of that element if the class doesn't have a {@link TestSpec} annotation.
*/
@SuppressWarnings("unchecked")
private static <T> T getAnnotationElementOrDefault(Class<?> clazz, String elementName) {
TestSpec spec = clazz.getAnnotation(TestSpec.class);
try {
Method method = TestSpec.class.getMethod(elementName);
return spec != null ? (T) method.invoke(spec) : (T) method.getDefaultValue();
} catch (NoSuchMethodException e) {
throw new IllegalStateException("no such element " + elementName, e);
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
throw new IllegalStateException("can't invoke accessor for element " + elementName, e);
}
}
}
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