cucumber.runtime.StepDefinition Maven / Gradle / Ivy
package cucumber.runtime;
import gherkin.pickles.PickleStep;
import java.lang.reflect.Type;
import java.util.List;
public interface StepDefinition {
/**
* Returns a list of arguments. Return null if the step definition
* doesn't match at all. Return an empty List if it matches with 0 arguments
* and bigger sizes if it matches several.
*/
List matchedArguments(PickleStep step);
/**
* The source line where the step definition is defined.
* Example: foo/bar/Zap.brainfuck:42
*
* @param detail true if extra detailed location information should be included.
*/
String getLocation(boolean detail);
/**
* How many declared parameters this stepdefinition has. Returns null if unknown.
*/
Integer getParameterCount();
/**
* The parameter type at index n. A hint about the raw parameter type is passed to make
* it easier for the implementation to make a guess based on runtime information.
*
* Statically typed languages will typically ignore the {@code argumentType} while dynamically
* typed ones will use it to infer a "good type". It's also ok to return null.
*/
ParameterInfo getParameterType(int n, Type argumentType) throws IndexOutOfBoundsException;
/**
* Invokes the step definition. The method should raise a Throwable
* if the invocation fails, which will cause the step to fail.
*/
void execute(String language, Object[] args) throws Throwable;
/**
* Return true if this matches the location. This is used to filter
* stack traces.
*/
boolean isDefinedAt(StackTraceElement stackTraceElement); // TODO: redundant with getLocation?
/**
* @return the pattern associated with this instance. Used for error reporting only.
*/
String getPattern();
/**
* @return true if this instance is scoped to a single scenario, or false if it can be reused across scenarios.
*/
boolean isScenarioScoped();
}