Class FieldArgumentsProvider

java.lang.Object

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

org.junit.jupiter.params.provider.FieldArgumentsProvider

All Implemented Interfaces:

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 Field	findField(Class<?> testClass, String fieldName)
private static boolean	isConvertibleToStream(Field field, 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 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 Object	readField(Field field, Object testInstance)
private static Field	validateField(Field field, Object testInstance)

Methods inherited from class AnnotationBasedArgumentsProvider

accept, provideArguments, provideArguments

Methods inherited from class Object

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

Methods inherited from interface ArgumentsProvider

provideArguments

Methods inherited from interface Consumer

andThen

Constructor Details

FieldArgumentsProvider

FieldArgumentsProvider()

Method Details

provideArguments

protected 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 Field findField(Class<?> testClass,
 String fieldName)

validateField

private static Field validateField(Field field,
 Object testInstance)

readField

private static Object readField(Field field,
 Object testInstance)

isConvertibleToStream

private static boolean isConvertibleToStream(Field field,
 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.