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/*
* Copyright 2022 Code Intelligence GmbH
*
* 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.example;
import com.code_intelligence.jazzer.junit.FuzzTest;
import java.io.IOException;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.MethodOrderer;
import org.junit.jupiter.api.TestMethodOrder;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.junit.jupiter.api.extension.TestInstancePostProcessor;
@TestMethodOrder(MethodOrderer.MethodName.class)
@ExtendWith(LifecycleFuzzTest.LifecycleInstancePostProcessor.class)
class LifecycleFuzzTest {
// In fuzzing mode, the test is invoked once on the empty input and once with Jazzer.
private static final int EXPECTED_EACH_COUNT =
System.getenv().getOrDefault("JAZZER_FUZZ", "").isEmpty() ? 1 : 2;
private static int beforeAllCount = 0;
private static int beforeEachGlobalCount = 0;
private static int afterEachGlobalCount = 0;
private static int afterAllCount = 0;
private boolean beforeEachCalledOnInstance = false;
private boolean testInstancePostProcessorCalledOnInstance = false;
@BeforeAll
static void beforeAll() {
beforeAllCount++;
}
@BeforeEach
void beforeEach() {
beforeEachGlobalCount++;
beforeEachCalledOnInstance = true;
}
@Disabled
@FuzzTest
void disabledFuzz(byte[] data) {
throw new AssertionError("This test should not be executed");
}
@FuzzTest(maxDuration = "1s")
void lifecycleFuzz(byte[] data) {
Assertions.assertEquals(1, beforeAllCount);
Assertions.assertEquals(beforeEachGlobalCount, afterEachGlobalCount + 1);
Assertions.assertTrue(beforeEachCalledOnInstance);
Assertions.assertTrue(testInstancePostProcessorCalledOnInstance);
}
@AfterEach
void afterEach() {
afterEachGlobalCount++;
}
@AfterAll
static void afterAll() throws IOException {
afterAllCount++;
Assertions.assertEquals(1, beforeAllCount);
Assertions.assertEquals(EXPECTED_EACH_COUNT, beforeEachGlobalCount);
Assertions.assertEquals(EXPECTED_EACH_COUNT, afterEachGlobalCount);
Assertions.assertEquals(1, afterAllCount);
throw new IOException();
}
static class LifecycleInstancePostProcessor implements TestInstancePostProcessor {
@Override
public void postProcessTestInstance(Object o, ExtensionContext extensionContext) {
((LifecycleFuzzTest) o).testInstancePostProcessorCalledOnInstance = true;
}
}
}
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