Package org.assertj.core.extractor

Class Extractors

java.lang.Object

org.assertj.core.extractor.Extractors

public class Extractors
extends Object

Extractors factory, providing convenient methods of creating common extractors.

For example:

 assertThat(objectsList).extracting(toStringMethod()).contains("toString 1", "toString 2");
 assertThat(objectsList).extracting(byName("field")).contains("someResult1", "someResult2");

Author:

Mateusz Haligowski

Constructor Summary

Constructors

Constructor	Description
Extractors()

Method Summary

Modifier and Type	Method	Description
static <F> Function<F,Object>	byName(String fieldOrProperty)	Provides extractor for extracting single field or property from any object using reflection
static <F> Function<F,Tuple>	byName(String... fieldsOrProperties)	Provides extractor for extracting multiple fields or properties from any object using reflection
static String	extractedDescriptionOf(Object... items)
static String	extractedDescriptionOf(String... itemsDescription)
static String	extractedDescriptionOfMethod(String method)
static <F> Function<F,Object>	resultOf(String methodName)	Provides extractor for extracting values by method name from any object using reflection
static Function<Object,String>	toStringMethod()	Provides extractor for extracting Object.toString() from any object

Methods inherited from class java.lang.Object

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

Constructor Detail

Extractors

public Extractors()

Method Detail

toStringMethod

public static Function<Object,String> toStringMethod()

Provides extractor for extracting Object.toString() from any object

Returns:

the built Function

byName

public static <F> Function<F,Object> byName(String fieldOrProperty)

Provides extractor for extracting single field or property from any object using reflection

Type Parameters:

F - type to extract property from

Parameters:

fieldOrProperty - the name of the field/property to extract

Returns:

the built Function

byName

public static <F> Function<F,Tuple> byName(String... fieldsOrProperties)

Provides extractor for extracting multiple fields or properties from any object using reflection

Type Parameters:

F - type to extract property from

Parameters:

fieldsOrProperties - the name of the fields/properties to extract

Returns:

the built Function

resultOf

public static <F> Function<F,Object> resultOf(String methodName)

Provides extractor for extracting values by method name from any object using reflection

Type Parameters:

F - type to extract property from

Parameters:

methodName - the name of the method to execute

Returns:

the built Function

extractedDescriptionOf

public static String extractedDescriptionOf(String... itemsDescription)

extractedDescriptionOf

public static String extractedDescriptionOf(Object... items)

extractedDescriptionOfMethod

public static String extractedDescriptionOfMethod(String method)