// ****************************************************************

// Copyright 2008, Charlie Poole

// This is free software licensed under the NUnit license. You may

// obtain a copy of the license at http://nunit.org

// ****************************************************************



using System.Collections;

using System.Reflection;



namespace NUnit.Core.Extensibility

{

    /// <summary>

    /// The ITestCaseProvider interface is used by extensions

    /// that provide data for parameterized tests, along with

    /// certain flags and other indicators used in the test.

    /// </summary>

    public interface ITestCaseProvider

    {

        /// <summary>

        /// Determine whether any test cases are available for a parameterized method.

        /// </summary>

        /// <param name="method">A MethodInfo representing a parameterized test</param>

        /// <returns>True if any cases are available, otherwise false.</returns>

        bool HasTestCasesFor(MethodInfo method);



        /// <summary>

        /// Return an IEnumerable providing test cases for use in

        /// running a paramterized test.

        /// </summary>

        /// <param name="method"></param>

        /// <returns></returns>

        IEnumerable GetTestCasesFor(MethodInfo method);

    }



    /// <summary>

    /// ITestCaseProvider2 extends ITestCaseProvider with methods

    /// that include the suite for which the test case is being

    /// built. TestCaseProviders not needing the suite can

    /// continue to implement ITestCaseBuilder.

    /// </summary>

    public interface ITestCaseProvider2 : ITestCaseProvider

    {

        /// <summary>

        /// Determine whether any test cases are available for a parameterized method.

        /// </summary>

        /// <param name="method">A MethodInfo representing a parameterized test</param>

        /// <param name="suite">The suite for which the test case is being built</param>

        /// <returns>True if any cases are available, otherwise false.</returns>

        bool HasTestCasesFor(MethodInfo method, Test suite);



        /// <summary>

        /// Return an IEnumerable providing test cases for use in

        /// running a paramterized test.

        /// </summary>

        /// <param name="method"></param>

        /// <param name="suite">The suite for which the test case is being built</param>

        /// <returns></returns>

        IEnumerable GetTestCasesFor(MethodInfo method, Test suite);

    }

}