Examples with ParameterContext org.junit.jupiter.api.extension.ParameterContext used on opensource projects

Example 1 with ParameterContext

use of org.junit.jupiter.api.extension.ParameterContext in project junit5 by junit-team.

the class ParameterizedTestParameterResolver method resolveParameter.

@Override
public Object resolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext) throws ParameterResolutionException {
    Object argument = arguments[parameterContext.getIndex()];
    Parameter parameter = parameterContext.getParameter();
    Optional<ConvertWith> annotation = AnnotationUtils.findAnnotation(parameter, ConvertWith.class);
    // @formatter:off
    ArgumentConverter argumentConverter = annotation.map(ConvertWith::value).map(clazz -> (ArgumentConverter) ReflectionUtils.newInstance(clazz)).map(converter -> AnnotationConsumerInitializer.initialize(parameter, converter)).orElse(DefaultArgumentConverter.INSTANCE);
    // @formatter:on
    try {
        return argumentConverter.convert(argument, parameterContext);
    } catch (Exception ex) {
        throw new ParameterResolutionException("Error resolving parameter at index " + parameterContext.getIndex(), ex);
    }
}

Example 2 with ParameterContext

use of org.junit.jupiter.api.extension.ParameterContext in project junit5 by junit-team.

the class ExecutableInvoker method resolveParameter.

private Object resolveParameter(ParameterContext parameterContext, Executable executable, ExtensionContext extensionContext, ExtensionRegistry extensionRegistry) {
    try {
        // @formatter:off
        List<ParameterResolver> matchingResolvers = extensionRegistry.stream(ParameterResolver.class).filter(resolver -> resolver.supportsParameter(parameterContext, extensionContext)).collect(toList());
        if (matchingResolvers.isEmpty()) {
            throw new ParameterResolutionException(String.format("No ParameterResolver registered for parameter [%s] in executable [%s].", parameterContext.getParameter(), executable.toGenericString()));
        }
        if (matchingResolvers.size() > 1) {
            // @formatter:off
            String resolverNames = matchingResolvers.stream().map(resolver -> resolver.getClass().getName()).collect(joining(", "));
            // @formatter:on
            throw new ParameterResolutionException(String.format("Discovered multiple competing ParameterResolvers for parameter [%s] in executable [%s]: %s", parameterContext.getParameter(), executable.toGenericString(), resolverNames));
        }
        ParameterResolver resolver = matchingResolvers.get(0);
        Object value = resolver.resolveParameter(parameterContext, extensionContext);
        validateResolvedType(parameterContext.getParameter(), value, executable, resolver);
        logger.trace(() -> String.format("ParameterResolver [%s] resolved a value of type [%s] for parameter [%s] in executable [%s].", resolver.getClass().getName(), (value != null ? value.getClass().getName() : null), parameterContext.getParameter(), executable.toGenericString()));
        return value;
    } catch (ParameterResolutionException ex) {
        throw ex;
    } catch (Throwable ex) {
        throw new ParameterResolutionException(String.format("Failed to resolve parameter [%s] in executable [%s]", parameterContext.getParameter(), executable.toGenericString()), ex);
    }
}

Example 3 with ParameterContext

use of org.junit.jupiter.api.extension.ParameterContext in project logging-log4j2 by apache.

the class AppenderResolver method resolveParameter.

@Override
public Object resolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext) throws ParameterResolutionException {
    final LoggerContext loggerContext = getParameterLoggerContext(parameterContext, extensionContext);
    if (loggerContext == null) {
        throw new ParameterResolutionException("No LoggerContext defined");
    }
    final String name = parameterContext.findAnnotation(Named.class).map(Named::value).map(s -> s.isEmpty() ? parameterContext.getParameter().getName() : s).orElseThrow(() -> new ParameterResolutionException("No @Named present after checking earlier"));
    final Appender appender = loggerContext.getConfiguration().getAppender(name);
    if (appender == null) {
        throw new ParameterResolutionException("No appender named " + name);
    }
    return appender;
}

Example 4 with ParameterContext

use of org.junit.jupiter.api.extension.ParameterContext in project hive by apache.

the class DoNothingTCPServerExtension method resolveParameter.

@Override
public Object resolveParameter(ParameterContext parameterContext, ExtensionContext context) throws ParameterResolutionException {
    List<DoNothingTCPServer> servers = (List<DoNothingTCPServer>) context.getStore(ExtensionContext.Namespace.GLOBAL).getOrComputeIfAbsent(context.getUniqueId(), (id) -> new ArrayList<DoNothingTCPServer>());
    try {
        DoNothingTCPServer server = new DoNothingTCPServer();
        server.start();
        servers.add(server);
        return server;
    } catch (IOException e) {
        throw new ParameterResolutionException("Problem when initialising the server; see cause for details.", e);
    }
}

Example 5 with ParameterContext

use of org.junit.jupiter.api.extension.ParameterContext in project junit5 by junit-team.

the class ExecutableInvoker method resolveParameters.

/**
 * Resolve the array of parameters for the supplied executable, target, and
 * outer instance.
 *
 * @param executable the executable for which to resolve parameters
 * @param target an {@code Optional} containing the target on which the
 * executable will be invoked; never {@code null} but should be empty for
 * static methods and constructors
 * @param outerInstance the outer instance that will be supplied as the
 * first argument to a constructor for an inner class; should be {@code null}
 * for methods and constructors for top-level or static classes
 * @param extensionContext the current {@code ExtensionContext}
 * @param extensionRegistry the {@code ExtensionRegistry} to retrieve
 * {@code ParameterResolvers} from
 * @return the array of Objects to be used as parameters in the executable
 * invocation; never {@code null} though potentially empty
 */
private Object[] resolveParameters(Executable executable, Optional<Object> target, Object outerInstance, ExtensionContext extensionContext, ExtensionRegistry extensionRegistry) {
    Preconditions.notNull(target, "target must not be null");
    Parameter[] parameters = executable.getParameters();
    Object[] values = new Object[parameters.length];
    int start = 0;
    // the executable is a constructor for an inner class.
    if (outerInstance != null) {
        values[0] = outerInstance;
        start = 1;
    }
    // Resolve remaining parameters dynamically
    for (int i = start; i < parameters.length; i++) {
        ParameterContext parameterContext = new DefaultParameterContext(parameters[i], i, target);
        values[i] = resolveParameter(parameterContext, executable, extensionContext, extensionRegistry);
    }
    return values;
}