Module org.junit.jupiter.params

Package org.junit.jupiter.params.provider

Interface ArgumentsProvider

All Known Implementing Classes:

AnnotationBasedArgumentsProvider

@API(status=STABLE,
     since="5.7")
public interface ArgumentsProvider

An ArgumentsProvider is responsible for providing a stream of arguments to be passed to a @ParameterizedClass or @ParameterizedTest.

An ArgumentsProvider can be registered via the @ArgumentsSource annotation.

Implementations must provide a no-args constructor or a single unambiguous constructor to use parameter resolution.

Since:

5.0

See Also:

• ParameterizedClass
• ParameterizedTest
• ArgumentsSource
• Arguments
• AnnotationConsumer

Method Summary

Modifier and Type	Method	Description
default Stream<? extends Arguments>	provideArguments(ExtensionContext context)	Deprecated. Please implement provideArguments(ParameterDeclarations, ExtensionContext) instead.
default Stream<? extends Arguments>	provideArguments(ParameterDeclarations parameters, ExtensionContext context)	Provide a Stream of Arguments to be passed to a @ParameterizedClass or @ParameterizedTest.

Method Details

provideArguments

@Deprecated
@API(status=DEPRECATED,
     since="5.13")
default Stream<? extends Arguments> provideArguments(ExtensionContext context)
                                              throws Exception

Deprecated.

Please implement provideArguments(ParameterDeclarations, ExtensionContext) instead.

Provide a Stream of Arguments to be passed to a @ParameterizedTest method.

Parameters:

context - the current extension context; never null

Returns:

a stream of arguments; never null

Throws:

Exception

provideArguments

@API(status=EXPERIMENTAL,
     since="5.13")
default Stream<? extends Arguments> provideArguments(ParameterDeclarations parameters,
 ExtensionContext context)
                                              throws Exception

Provide a Stream of Arguments to be passed to a @ParameterizedClass or @ParameterizedTest.

Parameters:

parameters - the parameter declarations for the parameterized class or test; never null

context - the current extension context; never null

Returns:

a stream of arguments; never null

Throws:

Exception

Since:

5.13