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package com.yahoo.vespa.testrunner;
import ai.vespa.cloud.ApplicationId;
import ai.vespa.cloud.Environment;
import ai.vespa.cloud.Zone;
import ai.vespa.hosted.cd.Deployment;
import ai.vespa.hosted.cd.Endpoint;
import ai.vespa.hosted.cd.TestRuntime;
import com.yahoo.vespa.testrunner.TestReport.Status;
import com.yahoo.vespa.testrunner.TestRunner.Suite;
import org.junit.jupiter.api.DynamicTest;
import org.junit.jupiter.api.TestFactory;
import org.junit.jupiter.engine.JupiterTestEngine;
import org.junit.platform.engine.EngineExecutionListener;
import org.junit.platform.engine.TestDescriptor;
import org.junit.platform.engine.TestEngine;
import org.junit.platform.engine.TestExecutionResult;
import org.junit.platform.engine.reporting.ReportEntry;
import org.junit.platform.launcher.LauncherDiscoveryRequest;
import org.junit.platform.launcher.TestExecutionListener;
import org.junit.platform.launcher.TestIdentifier;
import org.junit.platform.launcher.TestPlan;
import org.junit.platform.launcher.core.EngineDiscoveryOrchestrator;
import org.junit.platform.launcher.core.EngineExecutionOrchestrator;
import org.junit.platform.launcher.core.LauncherDiscoveryResult;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.annotation.Annotation;
import java.time.Clock;
import java.time.Instant;
import java.time.ZoneId;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Stream;
import static ai.vespa.hosted.cd.internal.TestRuntimeProvider.testRuntime;
import static java.util.Objects.requireNonNull;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.fail;
import static org.junit.jupiter.api.DynamicTest.dynamicTest;
import static org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.Phase.EXECUTION;
/**
* @author jonmv
*/
class JunitRunnerTest {
static final Clock clock = Clock.fixed(Instant.EPOCH, ZoneId.of("UTC"));
@TestFactory
Stream<DynamicTest> runSampleTests() {
String packageName = "com.yahoo.vespa.test.samples";
InputStream classes = getClass().getClassLoader().getResourceAsStream(packageName.replace(".", "/"));
BufferedReader reader = new BufferedReader(new InputStreamReader(requireNonNull(classes, packageName + " should contain sample tests")));
return reader.lines()
.filter(line -> line.endsWith("Test.class"))
.map(name -> {
try {
Class<?> testClass = getClass().getClassLoader().loadClass(packageName + "." + name.replace(".class", ""));
return dynamicTest(testClass.getSimpleName(), () -> verify(testClass));
}
catch (ClassNotFoundException e) {
throw new IllegalStateException(e);
}
});
}
static void verify(Class<?> testClass) {
Expect expected = requireNonNull(testClass.getAnnotation(Expect.class), "sample tests must be annotated with @Expect");
TestReport report = test(getSuite(testClass), new byte[0], testClass).getReport();
assertEquals(Status.values()[expected.status()], report.root().status());
Map<Status, Long> tally = new EnumMap<>(Status.class);
if (expected.successful() > 0) tally.put(Status.successful, expected.successful());
if (expected.skipped() > 0) tally.put(Status.skipped, expected.skipped());
if (expected.aborted() > 0) tally.put(Status.aborted, expected.aborted());
if (expected.inconclusive() > 0) tally.put(Status.inconclusive, expected.inconclusive());
if (expected.failed() > 0) tally.put(Status.failed, expected.failed());
if (expected.error() > 0) tally.put(Status.error, expected.error());
assertEquals(tally, report.root().tally());
}
static Suite getSuite(Class<?> testClass) {
for (Annotation annotation : testClass.getAnnotations()) {
switch (annotation.annotationType().getSimpleName()) {
case "SystemTest": return Suite.SYSTEM_TEST;
case "StagingSetup": return Suite.STAGING_SETUP_TEST;
case "StagingTest": return Suite.STAGING_TEST;
case "ProductionTest": return Suite.PRODUCTION_TEST;
}
}
return null;
}
static TestRunner test(Suite suite, byte[] testConfig, Class<?>... testClasses) {
JunitRunner runner = new JunitRunner(clock,
config -> { assertSame(testConfig, config); testRuntime.set(new MockTestRuntime()); },
__ -> List.of(testClasses),
JunitRunnerTest::execute);
try {
runner.test(suite, testConfig).get();
}
catch (Exception e) {
fail(e);
}
return runner;
}
// For some inane reason, the JUnit test framework makes it impossible to simply launch a new instance of itself
// from inside a unit test (run by itself) in the standard way, so this kludge is necessary to work around that.
static void execute(LauncherDiscoveryRequest discoveryRequest, TestExecutionListener... listeners) {
TestEngine testEngine = new JupiterTestEngine();
LauncherDiscoveryResult discoveryResult = new EngineDiscoveryOrchestrator(Set.of(testEngine), Set.of()).discover(discoveryRequest, EXECUTION);
TestDescriptor engineTestDescriptor = discoveryResult.getEngineTestDescriptor(testEngine);
TestPlan plan = TestPlan.from(List.of(engineTestDescriptor), discoveryRequest.getConfigurationParameters());
for (TestExecutionListener listener : listeners) listener.testPlanExecutionStarted(plan);
new EngineExecutionOrchestrator().execute(discoveryResult, new ExecutionListenerAdapter(plan, listeners));
for (TestExecutionListener listener : listeners) listener.testPlanExecutionFinished(plan);
}
static class ExecutionListenerAdapter implements EngineExecutionListener {
private final TestPlan plan;
private final List<TestExecutionListener> listeners;
public ExecutionListenerAdapter(TestPlan plan, TestExecutionListener... listeners) {
this.plan = plan;
this.listeners = List.of(listeners);
}
private TestIdentifier getTestIdentifier(TestDescriptor testDescriptor) {
return plan.getTestIdentifier(testDescriptor.getUniqueId().toString());
}
@Override public void dynamicTestRegistered(TestDescriptor testDescriptor) {
TestIdentifier id = TestIdentifier.from(testDescriptor);
plan.addInternal(id);
for (TestExecutionListener listener : listeners)
listener.dynamicTestRegistered(id);
}
@Override public void executionSkipped(TestDescriptor testDescriptor, String reason) {
for (TestExecutionListener listener : listeners)
listener.executionSkipped(getTestIdentifier(testDescriptor), reason);
}
@Override public void executionStarted(TestDescriptor testDescriptor) {
for (TestExecutionListener listener : listeners)
listener.executionStarted(getTestIdentifier(testDescriptor));
}
@Override public void executionFinished(TestDescriptor testDescriptor, TestExecutionResult testExecutionResult) {
for (TestExecutionListener listener : listeners)
listener.executionFinished(getTestIdentifier(testDescriptor), testExecutionResult);
}
@Override public void reportingEntryPublished(TestDescriptor testDescriptor, ReportEntry entry) {
for (TestExecutionListener listener : listeners)
listener.reportingEntryPublished(getTestIdentifier(testDescriptor), entry);
}
}
static class MockTestRuntime implements TestRuntime {
@Override
public Deployment deploymentToTest() {
return new Deployment() {
@Override public Endpoint endpoint(String id) { return null; }
@Override public String platform() { return "1.2.3"; }
@Override public long revision() { return 321; }
@Override public Instant deployedAt() { return Instant.ofEpochMilli(1000); }
};
}
@Override
public Zone zone() {
return new Zone(Environment.test, "name");
}
@Override
public ApplicationId application() {
return null;
}
}
}
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