Package org.junit.jupiter.params.provider

Class FieldArgumentsProvider

java.lang.Object

org.junit.jupiter.params.provider.AnnotationBasedArgumentsProvider<FieldSource>

org.junit.jupiter.params.provider.FieldArgumentsProvider

All Implemented Interfaces:

java.util.function.Consumer<FieldSource>, ArgumentsProvider, AnnotationConsumer<FieldSource>

class FieldArgumentsProvider
extends AnnotationBasedArgumentsProvider<FieldSource>

ArgumentsProvider for @FieldSource.

Since:

5.11

Constructor Summary

Constructors

Constructor	Description
FieldArgumentsProvider()

Method Summary

Modifier and Type	Method	Description
(package private) static java.lang.reflect.Field	findField(java.lang.Class<?> testClass, java.lang.String fieldName)
private static boolean	isConvertibleToStream(java.lang.reflect.Field field, java.lang.Object value)	Determine if the supplied value can be converted into a Stream or if the declared type of the supplied field is a Supplier of a type that can be converted into a Stream.
protected java.util.stream.Stream<? extends Arguments>	provideArguments(ParameterDeclarations parameters, org.junit.jupiter.api.extension.ExtensionContext context, FieldSource fieldSource)	The returned Stream will be properly closed by the default implementation of AnnotationBasedArgumentsProvider.provideArguments(ParameterDeclarations, ExtensionContext), making it safe to use a resource such as Files.lines().
private static java.lang.Object	readField(java.lang.reflect.Field field, java.lang.Object testInstance)
private static java.lang.reflect.Field	validateField(java.lang.reflect.Field field, java.lang.Object testInstance)

Methods inherited from class org.junit.jupiter.params.provider.AnnotationBasedArgumentsProvider

accept, provideArguments, provideArguments

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.junit.jupiter.params.provider.ArgumentsProvider

provideArguments

Methods inherited from interface java.util.function.Consumer

andThen

Constructor Detail

FieldArgumentsProvider

FieldArgumentsProvider()

Method Detail

provideArguments

protected java.util.stream.Stream<? extends Arguments> provideArguments(ParameterDeclarations parameters,
                                                                        org.junit.jupiter.api.extension.ExtensionContext context,
                                                                        FieldSource fieldSource)

Description copied from class: AnnotationBasedArgumentsProvider

The returned Stream will be properly closed by the default implementation of AnnotationBasedArgumentsProvider.provideArguments(ParameterDeclarations, ExtensionContext), making it safe to use a resource such as Files.lines().

Overrides:

provideArguments in class AnnotationBasedArgumentsProvider<FieldSource>

findField

static java.lang.reflect.Field findField(java.lang.Class<?> testClass,
                                         java.lang.String fieldName)

validateField

private static java.lang.reflect.Field validateField(java.lang.reflect.Field field,
                                                     java.lang.Object testInstance)

readField

private static java.lang.Object readField(java.lang.reflect.Field field,
                                          java.lang.Object testInstance)

isConvertibleToStream

private static boolean isConvertibleToStream(java.lang.reflect.Field field,
                                             java.lang.Object value)

Determine if the supplied value can be converted into a Stream or if the declared type of the supplied field is a Supplier of a type that can be converted into a Stream.