com.tngtech.java.junit.dataprovider.UseDataProvider Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of junit4-dataprovider Show documentation
Show all versions of junit4-dataprovider Show documentation
A TestNG like dataprovider runner for JUnit having a simplified syntax compared to all the existing JUnit4 features.
package com.tngtech.java.junit.dataprovider;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import com.tngtech.java.junit.dataprovider.internal.DefaultDataProviderMethodResolver;
/**
* Annotate a test method for using it with a dataprovider. The {@link #resolver()} is used to find a proper dataprovider.
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface UseDataProvider {
public enum ResolveStrategy {
/**
* Tries to find valid dataprovider methods looping over the provided {@link UseDataProvider#resolver()} until the first non-empty
* result is returned or no further resolver is available.
*/
UNTIL_FIRST_MATCH,
/**
* Loops over every provided {@link UseDataProvider#resolver()} and aggregates all resulting dataprovider methods. The test methods
* to be executed are generated upon all these dataprovider methods.
*/
AGGREGATE_ALL_MATCHES,
}
/**
* This is the default value for {@link #value()}. If used the dataprovider name is tried to be guessed (= convention over
* configuration) in the in {@link #value()} described order.
*/
String DEFAULT_VALUE = "";
/**
* A value to derive the dataprovider method from. In which way depends on the given {@link #resolver()}. Defaults to
* {@link #DEFAULT_VALUE}.
*
* @return a value from which the dataprovider method can be derived
*/
String value() default DEFAULT_VALUE;
/**
* One or multiple locations where the {@link DataProviderMethodResolver} can look out for a proper dataprovider method. It depends on
* the provided {@link #resolver()} how this is used.
*
* @return a array of {@link Class}es which could be used to derive the dataprovider method
*/
Class>[] location() default {};
/**
* The resolvers used to derive the dataprovider method from. It is tried until the first resolver returns a proper dataprovider method
* (= not {@code null}) or no more resolvers are available.
*
* @return the resolver which are used to derive the dataprovider method
*/
Class extends DataProviderMethodResolver>[] resolver() default { DefaultDataProviderMethodResolver.class };
/**
* @return strategy how to resolve the dataprovider methods which corresponds to the test method where this annotation is applied.
* @see ResolveStrategy
*/
ResolveStrategy resolveStrategy() default ResolveStrategy.UNTIL_FIRST_MATCH;
}