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A TestNG like dataprovider runner for JUnit Jupiter which is feature comparable to JUnit4 dataprovider.
package com.tngtech.junit.dataprovider;
import static com.tngtech.junit.dataprovider.resolver.DataProviderResolverContext.generateLocations;
import static java.util.Arrays.asList;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.junit.platform.commons.support.ReflectionSupport;
import com.tngtech.junit.dataprovider.convert.ConverterContext;
import com.tngtech.junit.dataprovider.resolver.DataProviderResolverContext;
/**
* Default implementation for using a dataprovider with an "external" dataprovider providing the test data.
*/
public class UseDataProviderExtension extends UseDataProviderInvocationContextProvider {
UseDataProviderExtension() {
super(UseDataProvider.class, DataProvider.class);
}
@Override
protected DataProviderResolverContext getDataProviderResolverContext(ExtensionContext extensionContext,
UseDataProvider testAnnotation) {
return new DataProviderResolverContext(extensionContext.getRequiredTestMethod(),
asList(testAnnotation.resolver()), testAnnotation.resolveStrategy(),
generateLocations(extensionContext.getRequiredTestClass(), testAnnotation.location()),
DataProvider.class, testAnnotation.value());
}
@Override
protected ConverterContext getConverterContext(DataProvider dataProvider) {
return new ConverterContext(ReflectionSupport.newInstance(dataProvider.objectArrayConverter()),
ReflectionSupport.newInstance(dataProvider.singleArgConverter()),
ReflectionSupport.newInstance(dataProvider.stringConverter()), dataProvider.splitBy(),
dataProvider.convertNulls(), dataProvider.trimValues(), dataProvider.ignoreEnumCase());
}
@Override
protected boolean cacheDataProviderResult(DataProvider dataProviderAnnotation) {
return dataProviderAnnotation.cache();
}
@Override
protected DisplayNameContext getDisplayNameContext(DataProvider dataProvider) {
return new DisplayNameContext(dataProvider.format(), getDefaultPlaceholders());
}
}