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namespace NUnit.Framework
{
using System;
using System.Collections;
using System.Threading;
/// <summary>A <c>TestResult</c> collects the results of executing
/// a test case. It is an instance of the Collecting Parameter pattern.
/// </summary><remarks>
/// The test framework distinguishes between failures and errors.
/// A failure is anticipated and checked for with assertions. Errors are
/// unanticipated problems like an <c>ArgumentOutOfRangeException</c>.
/// </remarks><seealso cref="ITest"/>
public class TestResult : MarshalByRefObject
{
#region Instance Variables
private ArrayList fFailures;
private ArrayList fErrors;
private ArrayList fListeners;
private int fRunTests;
private bool fStop;
#endregion
#region Constructors
/// <summary>
///
/// </summary>
public TestResult()
{
fFailures= new ArrayList();
fErrors= new ArrayList();
fListeners= new ArrayList();
}
#endregion
#region Collection Methods
/// <summary>
/// Adds an error to the list of errors. The passed in exception
/// caused the error.
/// </summary>
public void AddError(ITest test, Exception error)
{
lock(this)
{
this.fErrors.Add(new TestFailure(test, error));
foreach (ITestListener listner in CloneListeners())
{
listner.AddError(test, error);
}
}
}
/// <summary>
/// Adds a failure to the list of failures. The passed in
/// exception caused the failure.
/// </summary>
public void AddFailure(ITest test, AssertionFailedError failure)
{
lock(this)
{
fFailures.Add(new TestFailure(test, failure));
foreach (ITestListener listner in CloneListeners())
{
listner.AddFailure(test, failure);
}
}
}
#endregion
#region Events
/// <summary>Registers a TestListener.</summary>
public void AddListener(ITestListener listener)
{
lock(this)
this.fListeners.Add(listener);
}
/// <summary>Unregisters a TestListener</summary>
public void RemoveListener(ITestListener listener)
{
lock(this)
{
fListeners.Remove(listener);
}
}
/// <summary>Returns a copy of the listeners.</summary>
private ArrayList CloneListeners()
{
lock(this)
{
return (ArrayList)fListeners.Clone();
}
}
/// <summary>Informs the result that a test was completed.</summary>
public void EndTest(ITest test)
{
foreach (ITestListener listner in CloneListeners())
{
listner.EndTest(test);
}
}
/// <summary>Informs the result that a test will be started.</summary>
public void StartTest(ITest test)
{
lock(this)
{
this.fRunTests += test.CountTestCases;
}
foreach (ITestListener listner in CloneListeners())
{
listner.StartTest(test);
}
}
#endregion
#region Properties
/// <value>Gets the number of run tests.</value>
public int RunCount
{
get {lock(this)return this.fRunTests; }
}
/// <value>Gets the number of detected errors.</value>
public int ErrorCount
{
get {lock(this)return this.fErrors.Count; }
}
/// <value>Gets the number of detected failures.</value>
public int FailureCount
{
get {lock(this)return this.fFailures.Count; }
}
/// <summary>Checks whether the test run should stop.</summary>
public bool ShouldStop
{
get {lock(this)return this.fStop; }
}
/// <value>Returns whether the entire test was successful or not.</value>
public bool WasSuccessful
{
get
{
lock(this)
{
return (this.FailureCount == 0)
&& (this.ErrorCount == 0);
}
}
}
/// <value>Returns a TestFailure[] for the errors.</value>
public TestFailure[] Errors
{
get
{
lock(this)
{
TestFailure[] retVal = new TestFailure[this.fErrors.Count];
this.fErrors.CopyTo(retVal);
return retVal;
}
}
}
/// <value>Returns a TestFauiler[] for the failures.</value>
public TestFailure[] Failures
{
get
{
lock(this)
{
TestFailure[] retVal = new TestFailure[this.fFailures.Count];
this.fFailures.CopyTo(retVal);
return retVal;
}
}
}
#endregion
#region Nested Classes
/// <summary>Runs a TestCase.</summary>
protected class ProtectedProtect: IProtectable
{
private TestCase fTest;
/// <summary>
///
/// </summary>
/// <param name="test"></param>
public ProtectedProtect(TestCase test)
{
if(test != null)
{
this.fTest = test;
}
else
{
throw new ArgumentNullException("test");
}
}
/// <summary>
///
/// </summary>
public void Protect()
{
this.fTest.RunBare();
}
}
#endregion
#region Run Methods
/// <summary>Runs a TestCase.</summary>
internal void Run(TestCase test)
{
StartTest(test);
IProtectable p = new ProtectedProtect(test);
RunProtected(test, p);
EndTest(test);
}
/// <summary>Runs a TestCase.</summary>
public void RunProtected(ITest test, IProtectable p)
{
try
{
p.Protect();
}
catch (AssertionFailedError e)
{
AddFailure(test, e);
}
catch (NUnitException e)
{
if (e.IsAssertionFailure)
AddFailure(test, (AssertionFailedError)e.InnerException);
else
AddError(test, e.InnerException);
}
catch (ThreadAbortException e)
{ // don't catch by accident
throw e;
}
catch (System.Exception e)
{
AddError(test, e);
}
}
/// <summary>Marks that the test run should stop.</summary>
public void Stop()
{
fStop= true;
}
#endregion
}
}
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