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net.jqwik.engine.execution.PropertyTaskCreator Maven / Gradle / Ivy
package net.jqwik.engine.execution;
import java.lang.reflect.*;
import net.jqwik.api.*;
import net.jqwik.api.domains.*;
import net.jqwik.api.lifecycle.*;
import net.jqwik.api.lifecycle.SkipExecutionHook.*;
import net.jqwik.engine.descriptor.*;
import net.jqwik.engine.execution.lifecycle.*;
import net.jqwik.engine.execution.pipeline.*;
import net.jqwik.engine.execution.reporting.*;
import net.jqwik.engine.support.*;
class PropertyTaskCreator {
ExecutionTask createTask(
PropertyMethodDescriptor methodDescriptor,
LifecycleHooksSupplier lifecycleSupplier,
boolean reportOnlyFailures
) {
return ExecutionTask.from(
(listener, predecessorResult) -> {
if (!predecessorResult.successful()) {
String reason = String.format("Skipped due to container failure: %s", predecessorResult.throwable().orElse(null));
listener.executionSkipped(methodDescriptor, reason);
return predecessorResult;
}
PropertyLifecycleContext propertyLifecycleContext;
try {
propertyLifecycleContext = createLifecycleContext(methodDescriptor, lifecycleSupplier, listener);
SkipResult skipResult = CurrentTestDescriptor.runWithDescriptor(methodDescriptor, () -> {
SkipExecutionHook skipExecutionHook = lifecycleSupplier.skipExecutionHook(methodDescriptor);
return skipExecutionHook.shouldBeSkipped(propertyLifecycleContext);
});
if (skipResult.isSkipped()) {
listener.executionSkipped(methodDescriptor, skipResult.reason().orElse(null));
return TaskExecutionResult.success();
}
listener.executionStarted(methodDescriptor);
try {
DomainContext domainContext = createDomainContext(methodDescriptor, propertyLifecycleContext);
CurrentDomainContext.runWithContext(domainContext, () -> {
PropertyExecutionResult executionResult = executeTestMethod(
methodDescriptor, propertyLifecycleContext, lifecycleSupplier, reportOnlyFailures
);
listener.executionFinished(methodDescriptor, executionResult);
return null;
});
} finally {
StoreRepository.getCurrent().finishScope(methodDescriptor);
}
} catch (Throwable throwable) {
JqwikExceptionSupport.rethrowIfBlacklisted(throwable);
handleExceptionDuringTestInstanceCreation(methodDescriptor, listener, throwable);
}
return TaskExecutionResult.success();
},
methodDescriptor,
"executing " + methodDescriptor.getDisplayName()
);
}
private DomainContext createDomainContext(
PropertyMethodDescriptor methodDescriptor,
PropertyLifecycleContext propertyLifecycleContext
) {
DomainContextFactory domainContextFactory = new DomainContextFactory(propertyLifecycleContext, methodDescriptor);
return domainContextFactory.createCombinedDomainContext();
}
private PropertyLifecycleContext createLifecycleContext(
PropertyMethodDescriptor methodDescriptor,
LifecycleHooksSupplier lifecycleSupplier,
PropertyExecutionListener listener
) {
PropertyLifecycleContext propertyLifecycleContext;
ResolveParameterHook resolveParameterHook = lifecycleSupplier.resolveParameterHook(methodDescriptor);
Reporter reporter = new DefaultReporter(listener::reportingEntryPublished, methodDescriptor);
ContainerInstances testInstances = createTestInstances(methodDescriptor, lifecycleSupplier, reporter);
propertyLifecycleContext = new DefaultPropertyLifecycleContext(methodDescriptor, testInstances, reporter, resolveParameterHook);
return propertyLifecycleContext;
}
private void handleExceptionDuringTestInstanceCreation(
PropertyMethodDescriptor methodDescriptor,
PropertyExecutionListener listener,
Throwable throwable
) {
listener.executionStarted(methodDescriptor);
PropertyExecutionResult executionResult =
PlainExecutionResult.failed(throwable, methodDescriptor.getConfiguration().getSeed());
listener.executionFinished(methodDescriptor, executionResult);
}
private ContainerInstances createTestInstances(
PropertyMethodDescriptor methodDescriptor,
LifecycleHooksSupplier lifecycleSupplier,
Reporter reporter
) {
try {
return methodDescriptor.getParent().map(
containerDescriptor -> {
//TODO: Hand context in from outside to always have the same instance.
// This will require a major overhaul of task creation :-(
ResolveParameterHook resolveParameterHook = lifecycleSupplier.resolveParameterHook(containerDescriptor);
ProvidePropertyInstanceHook providePropertyInstanceHook = lifecycleSupplier.providePropertyInstanceHook(containerDescriptor);
ContainerLifecycleContext containerLifecycleContext = new DefaultContainerLifecycleContext(
(ContainerClassDescriptor) containerDescriptor,
reporter,
resolveParameterHook
);
return CurrentTestDescriptor.runWithDescriptor(
containerDescriptor,
() -> createTestInstancesWithResolvedParameters(
containerLifecycleContext,
(ContainerClassDescriptor) containerDescriptor,
providePropertyInstanceHook
)
);
}).orElseThrow(() -> new JqwikException("Method descriptors must have a parent"));
} catch (JqwikException jqwikException) {
throw jqwikException;
} catch (Throwable throwable) {
JqwikExceptionSupport.rethrowIfBlacklisted(throwable);
String message = String.format(
"Cannot create instance of class '%s'",
methodDescriptor.getContainerClass()
);
if (throwable instanceof InvocationTargetException) {
throwable = ((InvocationTargetException) throwable).getTargetException();
}
throw new JqwikException(message, throwable);
}
}
private ContainerInstances createTestInstancesWithResolvedParameters(
ContainerLifecycleContext containerLifecycleContext,
ContainerClassDescriptor containerDescriptor,
ProvidePropertyInstanceHook providePropertyInstanceHook
) {
ContainerInstancesCreator testInstancesCreator = new ContainerInstancesCreator(
containerLifecycleContext,
containerDescriptor,
providePropertyInstanceHook
);
return testInstancesCreator.create();
}
private PropertyExecutionResult executeTestMethod(
PropertyMethodDescriptor methodDescriptor,
PropertyLifecycleContext propertyLifecycleContext,
LifecycleHooksSupplier lifecycleSupplier,
boolean reportOnlyFailures
) {
PropertyMethodExecutor executor = new PropertyMethodExecutor(methodDescriptor, propertyLifecycleContext, reportOnlyFailures);
return executor.execute(lifecycleSupplier);
}
}