public override IEnumerable GetTestCases()
{
#if CLR_2_0 || CLR_4_0
List<ParameterSet> testCases = new List<ParameterSet>();
#else
ArrayList testCases = new ArrayList();
#endif
for (; ; )
{
bool gotData = false;
object[] testdata = new object[Sources.Length];
for (int i = 0; i < Sources.Length; i++)
if (Enumerators[i].MoveNext())
{
testdata[i] = Enumerators[i].Current;
gotData = true;
}
else
testdata[i] = null;
if (!gotData)
break;
ParameterSet testcase = new ParameterSet();
testcase.Arguments = testdata;
testCases.Add(testcase);
}
return testCases;
}
public override IEnumerable GetTestCases()
{
ArrayList[] valueSet = CreateValueSet();
int[] dimensions = CreateDimensions(valueSet);
IEnumerable pairwiseTestCases = new PairwiseTestCaseGenerator(dimensions).GetTestCases();
#if NET_2_0
List<ParameterSet> testCases = new List<ParameterSet>();
#else
ArrayList testCases = new ArrayList();
#endif
foreach (TestCase pairwiseTestCase in pairwiseTestCases)
{
object[] testData = new object[pairwiseTestCase.Features.Length];
for (int i = 0; i < pairwiseTestCase.Features.Length; i++)
{
testData[i] = valueSet[i][pairwiseTestCase.Features[i]];
}
ParameterSet testCase = new ParameterSet();
testCase.Arguments = testData;
testCases.Add(testCase);
}
return testCases;
}
public void Filter(ParameterSet parameterSet, MethodInfo method)
{
object[] parameters = parameterSet.Arguments;
ParameterInfo[] methodParameters = method.GetParameters();
if (methodParameters[methodParameters.Length - 1].ParameterType == typeof(object[]))
parameterSet.Arguments = GetArguments(parameters, methodParameters);
}
/// <summary>
/// Return an IEnumerable providing test cases for use in
/// running a parameterized test.
/// </summary>
/// <param name="method"></param>
/// <returns></returns>
public IEnumerable GetTestCasesFor(MethodInfo method, Test parentSuite)
{
ArrayList parameterList = new ArrayList();
foreach (ProviderReference info in GetSourcesFor(method, parentSuite))
{
foreach (object source in info.GetInstance())
{
ParameterSet parms;
if (source == null)
{
parms = new ParameterSet();
parms.Arguments = new object[] { null };
}
else
parms = source as ParameterSet;
if (parms == null)
{
if (source.GetType().GetInterface("NUnit.Framework.ITestCaseData") != null)
parms = ParameterSet.FromDataSource(source);
else
{
parms = new ParameterSet();
ParameterInfo[] parameters = method.GetParameters();
Type sourceType = source.GetType();
if (parameters.Length == 1 && parameters[0].ParameterType.IsAssignableFrom(sourceType))
parms.Arguments = new object[] { source };
else if (source is object[])
parms.Arguments = (object[])source;
else if (source is Array)
{
Array array = (Array)source;
if (array.Rank == 1)
{
parms.Arguments = new object[array.Length];
for (int i = 0; i < array.Length; i++)
parms.Arguments[i] = (object)array.GetValue(i);
}
}
else
parms.Arguments = new object[] { source };
}
}
if (info.Category != null)
foreach (string cat in info.Category.Split(new char[] { ',' }))
parms.Categories.Add(cat);
parameterList.Add(parms);
}
}
return parameterList;
}
public void Filter_CreatesInstance()
{
ParameterSet parameterSet = new ParameterSet();
parameterSet.Arguments = new object[] { typeof(TypeWithDefaultConstructor) };
filter.Filter(parameterSet, GetMethod("MethodWithParameter"));
Assert.That(parameterSet.Arguments[0], Is.TypeOf(typeof(TypeWithDefaultConstructor)));
}
public void Filter_BaseType()
{
ParameterSet parameterSet = new ParameterSet();
parameterSet.Arguments = new object[] { typeof(ArrayList) };
filter.Filter(parameterSet, GetMethod("MethodWithIEnumerableParameter"));
Assert.That(parameterSet.Arguments[0], Is.TypeOf(typeof(ArrayList)));
}
public void Filter_Null()
{
ParameterSet parameterSet = new ParameterSet();
parameterSet.Arguments = new object[] { 42, null, 42 };
SpecialValueParameterSetFilter filter = new SpecialValueParameterSetFilter();
filter.Filter(parameterSet, GetMethod());
Assert.That(parameterSet.Arguments, Is.EqualTo(new object[] { 42, null, 42 }).AsCollection);
}
/// <summary>
/// Builds a ParameterizedMetodSuite containing individual
/// test cases for each set of parameters provided for
/// this method.
/// </summary>
/// <param name="method">The MethodInfo for which a test is to be built</param>
/// <returns>A ParameterizedMethodSuite populated with test cases</returns>
public static Test BuildParameterizedMethodSuite(MethodInfo method, Test parentSuite)
{
ParameterizedMethodSuite methodSuite = new ParameterizedMethodSuite(method);
NUnitFramework.ApplyCommonAttributes(method, methodSuite);
foreach (object source in CoreExtensions.Host.TestCaseProviders.GetTestCasesFor(method, parentSuite))
{
ParameterSet parms;
if (source == null)
{
parms = new ParameterSet();
parms.Arguments = new object[] { null };
}
else
parms = source as ParameterSet;
if (parms == null)
{
if (source.GetType().GetInterface("NUnit.Framework.ITestCaseData") != null)
parms = ParameterSet.FromDataSource(source);
else
{
parms = new ParameterSet();
ParameterInfo[] parameters = method.GetParameters();
Type sourceType = source.GetType();
if (parameters.Length == 1 && parameters[0].ParameterType.IsAssignableFrom(sourceType))
parms.Arguments = new object[] { source };
else if (source is object[])
parms.Arguments = (object[])source;
else if (source is Array)
{
Array array = (Array)source;
if (array.Rank == 1)
{
parms.Arguments = new object[array.Length];
for (int i = 0; i < array.Length; i++)
parms.Arguments[i] = (object)array.GetValue(i);
}
}
else
parms.Arguments = new object[] { source };
}
}
TestMethod test = BuildSingleTestMethod(method, parentSuite, parms);
methodSuite.Add(test);
}
return methodSuite;
}
public void Filter_WithoutArgumentList()
{
string arg1 = "arg1";
int arg2 = 42;
ParameterSet parameterSet = new ParameterSet();
parameterSet.Arguments = new object[] { arg1, arg2 };
filter.Filter(parameterSet, GetMethod("MethodWithoutArgumentList"));
Assert.That(parameterSet.Arguments.Length, Is.EqualTo(2));
Assert.That(parameterSet.Arguments[0], Is.EqualTo(arg1));
Assert.That(parameterSet.Arguments[1], Is.EqualTo(arg2));
}
public void Filter_TwoArguments()
{
string arg1 = "arg1";
int arg2 = 42;
ParameterSet parameterSet = new ParameterSet();
parameterSet.Arguments = new object[] { arg1, arg2 };
filter.Filter(parameterSet, GetMethod("MethodWithArgumentList"));
Assert.That(parameterSet.Arguments.Length, Is.EqualTo(3));
Assert.That(parameterSet.Arguments[0], Is.EqualTo(arg1));
Assert.That(parameterSet.Arguments[1], Is.EqualTo(arg2));
Assert.That(parameterSet.Arguments[2], Is.TypeOf(typeof(object[])));
Assert.That(parameterSet.Arguments[2], Is.Empty);
}
public void Filter(ParameterSet parameterSet, MethodInfo method)
{
if (parameterSet == null)
throw new ArgumentNullException("parameterSet");
ParameterInfo[] parameters = method.GetParameters();
for (int i = 0; i < parameterSet.Arguments.Length; i++)
{
object argument = parameterSet.Arguments[i];
if (CanFilter(argument, parameters[i]))
parameterSet.Arguments[i] = FilterArgument(argument, parameters[i]);
}
}
/// <summary>
/// Return an IEnumerable providing test cases for use in
/// running a parameterized test.
/// </summary>
/// <param name="method"></param>
/// <returns></returns>
public IEnumerable GetTestCasesFor(MethodInfo method)
{
ArrayList list = new ArrayList();
Attribute[] attrs = Reflect.GetAttributes(method, NUnitFramework.TestCaseAttribute, false);
ParameterInfo[] parameters = method.GetParameters();
int argsNeeded = parameters.Length;
foreach (Attribute attr in attrs)
{
ParameterSet parms;
try
{
parms = ParameterSet.FromDataSource(attr);
//if (method.GetParameters().Length == 1 && method.GetParameters()[0].ParameterType == typeof(object[]))
// parms.Arguments = new object[]{parms.Arguments};
if (argsNeeded == 1 && method.GetParameters()[0].ParameterType == typeof(object[]))
{
if (parms.Arguments.Length > 1 ||
parms.Arguments.Length == 1 && parms.Arguments[0].GetType() != typeof(object[]))
{
parms.Arguments = new object[] { parms.Arguments };
}
}
if (parms.Arguments.Length == argsNeeded)
PerformSpecialConversions(parms.Arguments, parameters);
}
catch (Exception ex)
{
parms = new ParameterSet( ex );
}
list.Add( parms );
}
return list;
}
/// <summary>
/// Return an IEnumerable providing test cases for use in
/// running a parameterized test.
/// </summary>
/// <param name="method"></param>
/// <param name="parentSuite"></param>
/// <returns></returns>
public IEnumerable GetTestCasesFor(MethodInfo method, Test parentSuite)
{
ArrayList parameterList = new ArrayList();
var attributes = Reflect.GetAttributes(method, Constants.AutoDataAttribute, false);
foreach (DataAttribute attr in attributes)
{
foreach (var arguments in attr.GetData(method))
{
ParameterSet parms = new ParameterSet();
parms.Arguments = arguments;
parameterList.Add(parms);
}
}
return parameterList;
}
public void Filter_TypeWithoutDefaultConstructor()
{
ParameterSet parameterSet = new ParameterSet();
parameterSet.Arguments = new object[] { typeof(TypeWithoutDefaultConstructor) };
try
{
filter.Filter(parameterSet, GetMethod("MethodWithWrongParameter"));
Assert.Fail("ArgumentException was expected.");
}
catch (ArgumentException exception)
{
string expectedMessage = string.Format(
"Cannot create an instance of type '{0}', "
+ "because it does not have a default constructor.",
parameterSet.Arguments[0]);
Assert.That(exception.Message, Is.EqualTo(expectedMessage));
}
}
public void Filter_FourArguments()
{
string arg1 = "arg1";
int arg2 = 42;
string arg3 = "arg3";
string arg4 = "arg4";
ParameterSet parameterSet = new ParameterSet();
parameterSet.Arguments = new object[] { arg1, arg2, arg3, arg4 };
filter.Filter(parameterSet, GetMethod("MethodWithArgumentList"));
Assert.That(parameterSet.Arguments.Length, Is.EqualTo(3));
Assert.That(parameterSet.Arguments[0], Is.EqualTo(arg1));
Assert.That(parameterSet.Arguments[1], Is.EqualTo(arg2));
Assert.That(parameterSet.Arguments[2], Is.TypeOf(typeof(object[])));
object[] argumentList = (object[])parameterSet.Arguments[2];
Assert.That(argumentList.Length, Is.EqualTo(2));
Assert.That(argumentList[0], Is.EqualTo(arg3));
Assert.That(argumentList[1], Is.EqualTo(arg4));
}
public override IEnumerable GetTestCases()
{
IEnumerator[] enumerators = new IEnumerator[Sources.Length];
int index = -1;
#if CLR_2_0 || CLR_4_0
List<ParameterSet> testCases = new List<ParameterSet>();
#else
ArrayList testCases = new ArrayList();
#endif
for (; ; )
{
while (++index < Sources.Length)
{
enumerators[index] = Sources[index].GetEnumerator();
if (!enumerators[index].MoveNext())
return testCases;
}
object[] testdata = new object[Sources.Length];
for (int i = 0; i < Sources.Length; i++)
testdata[i] = enumerators[i].Current;
ParameterSet testCase = new ParameterSet();
testCase.Arguments = testdata;
testCases.Add(testCase);
index = Sources.Length;
while (--index >= 0 && !enumerators[index].MoveNext()) ;
if (index < 0) break;
}
return testCases;
}
/// <summary>
/// Helper method that checks the signature of a TestMethod and
/// any supplied parameters to determine if the test is valid.
///
/// Currently, NUnitTestMethods are required to be public,
/// non-abstract methods, either static or instance,
/// returning void. They may take arguments but the values must
/// be provided or the TestMethod is not considered runnable.
///
/// Methods not meeting these criteria will be marked as
/// non-runnable and the method will return false in that case.
/// </summary>
/// <param name="testMethod">The TestMethod to be checked. If it
/// is found to be non-runnable, it will be modified.</param>
/// <param name="parms">Parameters to be used for this test, or null</param>
/// <returns>True if the method signature is valid, false if not</returns>
private static bool CheckTestMethodSignature(TestMethod testMethod, ParameterSet parms)
{
if (testMethod.Method.IsAbstract)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Method is abstract";
return false;
}
if (!testMethod.Method.IsPublic)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Method is not public";
return false;
}
ParameterInfo[] parameters = testMethod.Method.GetParameters();
int argsNeeded = parameters.Length;
object[] arglist = null;
int argsProvided = 0;
if (parms != null)
{
testMethod.arguments = parms.Arguments;
testMethod.expectedResult = parms.Result;
testMethod.hasExpectedResult = parms.HasExpectedResult;
testMethod.RunState = parms.RunState;
testMethod.IgnoreReason = parms.NotRunReason;
testMethod.BuilderException = parms.ProviderException;
arglist = parms.Arguments;
if (arglist != null)
argsProvided = arglist.Length;
if (testMethod.RunState != RunState.Runnable)
return false;
}
if (!testMethod.Method.ReturnType.Equals(typeof(void)) &&
(parms == null || !parms.HasExpectedResult && parms.ExpectedExceptionName == null))
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Method has non-void return value";
return false;
}
if (argsProvided > 0 && argsNeeded == 0)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Arguments provided for method not taking any";
return false;
}
if (argsProvided == 0 && argsNeeded > 0)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "No arguments were provided";
return false;
}
//if (argsProvided > argsNeeded)
//{
// ParameterInfo lastParameter = parameters[argsNeeded - 1];
// Type lastParameterType = lastParameter.ParameterType;
// if (lastParameterType.IsArray && lastParameter.IsDefined(typeof(ParamArrayAttribute), false))
// {
// object[] newArglist = new object[argsNeeded];
// for (int i = 0; i < argsNeeded; i++)
// newArglist[i] = arglist[i];
// int length = argsProvided - argsNeeded + 1;
// Array array = Array.CreateInstance(lastParameterType.GetElementType(), length);
// for (int i = 0; i < length; i++)
// array.SetValue(arglist[argsNeeded + i - 1], i);
// newArglist[argsNeeded - 1] = array;
// testMethod.arguments = arglist = newArglist;
// argsProvided = argsNeeded;
// }
//}
if (argsProvided != argsNeeded )
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Wrong number of arguments provided";
return false;
}
#if NET_2_0
if (testMethod.Method.IsGenericMethodDefinition)
{
Type[] typeArguments = GetTypeArgumentsForMethod(testMethod.Method, arglist);
foreach (object o in typeArguments)
if (o == null)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Unable to determine type arguments for fixture";
return false;
}
testMethod.method = testMethod.Method.MakeGenericMethod(typeArguments);
parameters = testMethod.Method.GetParameters();
for (int i = 0; i < parameters.Length; i++)
{
if (arglist[i].GetType() != parameters[i].ParameterType && arglist[i] is IConvertible)
{
try
{
arglist[i] = Convert.ChangeType(arglist[i], parameters[i].ParameterType);
}
catch (Exception)
{
// Do nothing - the incompatible argument will be reported below
}
}
}
}
#endif
return true;
}
/// <summary>
/// Builds a single NUnitTestMethod, either as a child of the fixture
/// or as one of a set of test cases under a ParameterizedTestMethodSuite.
/// </summary>
/// <param name="method">The MethodInfo from which to construct the TestMethod</param>
/// <param name="parms">The ParameterSet to be used, or null</param>
/// <returns></returns>
public static NUnitTestMethod BuildSingleTestMethod(MethodInfo method, Test parentSuite, ParameterSet parms)
{
NUnitTestMethod testMethod = new NUnitTestMethod(method);
string prefix = method.ReflectedType.FullName;
if (parentSuite != null)
{
prefix = parentSuite.TestName.FullName;
testMethod.TestName.FullName = prefix + "." + testMethod.TestName.Name;
}
if (CheckTestMethodSignature(testMethod, parms))
{
if (parms == null)
NUnitFramework.ApplyCommonAttributes(method, testMethod);
NUnitFramework.ApplyExpectedExceptionAttribute(method, testMethod);
}
if (parms != null)
{
// NOTE: After the call to CheckTestMethodSignature, the Method
// property of testMethod may no longer be the same as the
// original MethodInfo, so we reassign it here.
method = testMethod.Method;
if (parms.TestName != null)
{
testMethod.TestName.Name = parms.TestName;
testMethod.TestName.FullName = prefix + "." + parms.TestName;
}
else if (parms.OriginalArguments != null)
{
string name = MethodHelper.GetDisplayName(method, parms.OriginalArguments);
testMethod.TestName.Name = name;
testMethod.TestName.FullName = prefix + "." + name;
}
if (parms.Ignored)
{
testMethod.RunState = RunState.Ignored;
testMethod.IgnoreReason = parms.IgnoreReason;
}
if (parms.ExpectedExceptionName != null)
testMethod.exceptionProcessor = new ExpectedExceptionProcessor(testMethod, parms);
foreach (string key in parms.Properties.Keys)
testMethod.Properties[key] = parms.Properties[key];
// Description is stored in parms.Properties
if (parms.Description != null)
testMethod.Description = parms.Description;
}
if (testMethod.BuilderException != null)
testMethod.RunState = RunState.NotRunnable;
return testMethod;
}
/// <summary>
/// Constructs a ParameterSet from another object, accessing properties
/// by reflection. The object must expose at least an Arguments property
/// in order for the test to be runnable.
/// </summary>
/// <param name="source"></param>
public static ParameterSet FromDataSource(object source)
{
ParameterSet parms = new ParameterSet();
parms.Arguments = GetParm(source, PropertyNames.Arguments) as object[];
parms.ExpectedException = GetParm(source, PropertyNames.ExpectedException) as Type;
if (parms.ExpectedException != null)
parms.ExpectedExceptionName = parms.ExpectedException.FullName;
else
parms.ExpectedExceptionName = GetParm(source, PropertyNames.ExpectedExceptionName) as string;
parms.ExpectedMessage = GetParm(source, PropertyNames.ExpectedMessage) as string;
object matchEnum = GetParm(source, PropertyNames.MatchType);
if ( matchEnum != null )
parms.MatchType = matchEnum.ToString();
// Note: pre-2.6 versions of some attributes don't have the HasExpectedResult property
object hasResult = GetParm(source, PropertyNames.HasExpectedResult);
object expectedResult = GetParm(source, PropertyNames.ExpectedResult);
if (hasResult != null && (bool)hasResult || expectedResult != null)
parms.Result = expectedResult;
parms.Description = GetParm(source, PropertyNames.Description) as string;
parms.TestName = GetParm(source, PropertyNames.TestName) as string;
object objIgnore = GetParm(source, PropertyNames.Ignored);
if (objIgnore != null)
parms.Ignored = (bool)objIgnore;
parms.IgnoreReason = GetParm(source, PropertyNames.IgnoreReason) as string;
object objExplicit = GetParm(source, PropertyNames.Explicit);
if (objExplicit != null)
parms.Explicit = (bool)objExplicit;
// Some sources may also implement Properties and/or Categories
bool gotCategories = false;
IDictionary props = GetParm(source, PropertyNames.Properties) as IDictionary;
if ( props != null )
foreach (string key in props.Keys)
{
parms.Properties.Add(key, props[key]);
if (key == CATEGORIES) gotCategories = true;
}
// Some sources implement Categories. They may have been
// provided as properties or they may be separate.
if (!gotCategories)
{
IList categories = GetParm(source, PropertyNames.Categories) as IList;
if (categories != null)
foreach (string cat in categories)
parms.Categories.Add(cat);
}
return parms;
}
/// <summary>
/// Constructs a ParameterSet from another object, accessing properties
/// by reflection. The object must expose at least an Arguments property
/// in order for the test to be runnable.
/// </summary>
/// <param name="source"></param>
public static ParameterSet FromDataSource(object source)
{
ParameterSet parms = new ParameterSet();
parms.Arguments = GetParm(source, PropertyNames.Arguments) as object[];
parms.ExpectedException = GetParm(source, PropertyNames.ExpectedException) as Type;
if (parms.ExpectedException != null)
parms.ExpectedExceptionName = parms.ExpectedException.FullName;
else
parms.ExpectedExceptionName = GetParm(source, PropertyNames.ExpectedExceptionName) as string;
parms.ExpectedMessage = GetParm(source, PropertyNames.ExpectedMessage) as string;
object matchEnum = GetParm(source, PropertyNames.MatchType);
if ( matchEnum != null )
parms.MatchType = matchEnum.ToString();
parms.Result = GetParm(source, PropertyNames.Result);
parms.Description = GetParm(source, PropertyNames.Description) as string;
parms.TestName = GetParm(source, PropertyNames.TestName) as string;
// Some sources may also implement Properties and/or Categories
bool gotCategories = false;
IDictionary props = GetParm(source, PropertyNames.Properties) as IDictionary;
if ( props != null )
foreach (string key in props.Keys)
{
parms.Properties.Add(key, props[key]);
if (key == CATEGORIES) gotCategories = true;
}
// Some sources implement Categories. They may have been
// provided as properties or they may be separate.
if (!gotCategories)
{
IList categories = GetParm(source, PropertyNames.Categories) as IList;
if (categories != null && props[CATEGORIES] == null)
foreach (string cat in categories)
categories.Add(cat);
}
return parms;
}
/// <summary>
/// Builds a single NUnitTestMethod, either as a child of the fixture
/// or as one of a set of test cases under a ParameterizedTestMethodSuite.
/// </summary>
/// <param name="method">The MethodInfo from which to construct the TestMethod</param>
/// <param name="parms">The ParameterSet to be used, or null</param>
/// <returns></returns>
public static NUnitTestMethod BuildSingleTestMethod(MethodInfo method, ParameterSet parms)
{
NUnitTestMethod testMethod = new NUnitTestMethod(method);
if (CheckTestMethodSignature(testMethod, parms))
{
NUnitFramework.ApplyCommonAttributes(method, testMethod);
NUnitFramework.ApplyExpectedExceptionAttribute(method, testMethod);
}
if (parms != null)
{
// NOTE: After the call to CheckTestMethodSignature, the Method
// property of testMethod may no longer be the same as the
// original MethodInfo, so we reassign it here.
method = testMethod.Method;
if (parms.TestName != null)
{
testMethod.TestName.Name = parms.TestName;
testMethod.TestName.FullName = method.ReflectedType.FullName + "." + parms.TestName;
}
else if (parms.Arguments != null)
{
string name = MethodHelper.GetDisplayName(method, parms.Arguments);
testMethod.TestName.Name = name;
testMethod.TestName.FullName = method.ReflectedType.FullName + "." + name;
}
if (parms.ExpectedExceptionName != null)
testMethod.exceptionProcessor = new ExpectedExceptionProcessor(testMethod, parms);
foreach (string key in parms.Properties.Keys)
testMethod.Properties.Add(key, parms.Properties[key]);
// Description is stored in parms.Properties
if (parms.Description != null)
testMethod.Description = parms.Description;
}
return testMethod;
}
/// <summary>
/// Return an IEnumerable providing test cases for use in
/// running a parameterized test.
/// </summary>
/// <param name="method"></param>
/// <returns></returns>
public IEnumerable GetTestCasesFor(MethodInfo method)
{
ArrayList list = new ArrayList();
Attribute[] attrs = Reflect.GetAttributes(method, NUnitFramework.TestCaseAttribute, false);
ParameterInfo[] parameters = method.GetParameters();
int argsNeeded = parameters.Length;
foreach (Attribute attr in attrs)
{
ParameterSet parms;
try
{
parms = ParameterSet.FromDataSource(attr);
int argsProvided = parms.Arguments.Length;
// Special handling for params arguments
if (argsNeeded > 0 && argsProvided >= argsNeeded - 1)
{
ParameterInfo lastParameter = parameters[argsNeeded - 1];
Type lastParameterType = lastParameter.ParameterType;
Type elementType = lastParameterType.GetElementType();
if (lastParameterType.IsArray && lastParameter.IsDefined(typeof(ParamArrayAttribute), false))
{
if (argsProvided == argsNeeded)
{
Type lastArgumentType = parms.Arguments[argsProvided - 1].GetType();
if (!lastParameterType.IsAssignableFrom(lastArgumentType))
{
Array array = Array.CreateInstance(elementType, 1);
array.SetValue(parms.Arguments[argsProvided - 1], 0);
parms.Arguments[argsProvided - 1] = array;
}
}
else
{
object[] newArglist = new object[argsNeeded];
for (int i = 0; i < argsNeeded && i < argsProvided; i++)
newArglist[i] = parms.Arguments[i];
int length = argsProvided - argsNeeded + 1;
Array array = Array.CreateInstance(elementType, length);
for (int i = 0; i < length; i++)
array.SetValue(parms.Arguments[argsNeeded + i - 1], i);
newArglist[argsNeeded - 1] = array;
parms.Arguments = newArglist;
argsProvided = argsNeeded;
}
}
}
//if (method.GetParameters().Length == 1 && method.GetParameters()[0].ParameterType == typeof(object[]))
// parms.Arguments = new object[]{parms.Arguments};
// Special handling when sole argument is an object[]
if (argsNeeded == 1 && method.GetParameters()[0].ParameterType == typeof(object[]))
{
if (argsProvided > 1 ||
argsProvided == 1 && parms.Arguments[0].GetType() != typeof(object[]))
{
parms.Arguments = new object[] { parms.Arguments };
}
}
if (argsProvided == argsNeeded)
PerformSpecialConversions(parms.Arguments, parameters);
}
catch (Exception ex)
{
parms = new ParameterSet( ex );
}
list.Add( parms );
}
return list;
}
/// <summary>
/// Helper method that checks the signature of a TestMethod and
/// any supplied parameters to determine if the test is valid.
///
/// Currently, NUnitTestMethods are required to be public,
/// non-abstract methods, either static or instance,
/// returning void. They may take arguments but the values must
/// be provided or the TestMethod is not considered runnable.
///
/// Methods not meeting these criteria will be marked as
/// non-runnable and the method will return false in that case.
/// </summary>
/// <param name="testMethod">The TestMethod to be checked. If it
/// is found to be non-runnable, it will be modified.</param>
/// <param name="parms">Parameters to be used for this test, or null</param>
/// <returns>True if the method signature is valid, false if not</returns>
private static bool CheckTestMethodSignature(TestMethod testMethod, ParameterSet parms)
{
if (testMethod.Method.IsAbstract)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Method is abstract";
return false;
}
if (!testMethod.Method.IsPublic)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Method is not public";
return false;
}
ParameterInfo[] parameters = testMethod.Method.GetParameters();
int argsNeeded = parameters.Length;
object[] arglist = null;
int argsProvided = 0;
if (parms != null)
{
testMethod.arguments = parms.Arguments;
testMethod.expectedResult = parms.Result;
testMethod.RunState = parms.RunState;
testMethod.IgnoreReason = parms.NotRunReason;
testMethod.BuilderException = parms.ProviderException;
arglist = parms.Arguments;
if (arglist != null)
argsProvided = arglist.Length;
if (testMethod.RunState != RunState.Runnable)
return false;
}
if (!testMethod.Method.ReturnType.Equals(typeof(void)) &&
(parms == null || parms.Result == null && parms.ExpectedExceptionName == null))
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Method has non-void return value";
return false;
}
if (argsProvided > 0 && argsNeeded == 0)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Arguments provided for method not taking any";
return false;
}
if (argsProvided == 0 && argsNeeded > 0)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "No arguments were provided";
return false;
}
if (argsProvided != argsNeeded)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Wrong number of arguments provided";
return false;
}
#if NET_2_0
if (testMethod.Method.IsGenericMethodDefinition)
{
Type[] typeArguments = GetTypeArgumentsForMethod(testMethod.Method, arglist);
foreach (object o in typeArguments)
if (o == null)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Unable to determine type arguments for fixture";
return false;
}
testMethod.method = testMethod.Method.MakeGenericMethod(typeArguments);
parameters = testMethod.Method.GetParameters();
for (int i = 0; i < parameters.Length; i++)
{
if (arglist[i].GetType() != parameters[i].ParameterType && arglist[i] is IConvertible)
{
try
{
arglist[i] = Convert.ChangeType(arglist[i], parameters[i].ParameterType);
}
catch (Exception)
{
// Do nothing - the incompatible argument will be reported below
}
}
}
}
#endif
return true;
}
public void Filter_NotAssignableType()
{
ParameterSet parameterSet = new ParameterSet();
parameterSet.Arguments = new object[] { typeof(Version) };
filter.Filter(parameterSet, GetMethod("MethodWithIEnumerableParameter"));
Assert.That(parameterSet.Arguments[0], Is.SameAs(typeof(Version)));
}
public TestMethodExtension BuildSingleTestMethod(MethodInfo method, Test parentSuite, ParameterSet parms, ScreenCapture screenCapture, IDictionary properties)
{
//TODO : Here it doesn't support Async Await Method, BTW, the Async Await just be supported from .net 4.5
TestMethodExtension testMethod = new TestMethodExtension(method, screenCapture);
string prefix = method.ReflectedType.FullName;
if (parentSuite != null)
{
testMethod.Properties = properties;
prefix = parentSuite.TestName.FullName;
testMethod.TestName.FullName = prefix + "." + testMethod.TestName.Name;
}
if (CheckTestMethodSignature(testMethod, parms))
{
if (parms == null)
NUnitFramework.ApplyCommonAttributes(method, testMethod);
NUnitFramework.ApplyExpectedExceptionAttribute(method, testMethod);
}
if (parms != null)
{
method = testMethod.Method;
if (parms.TestName != null)
{
testMethod.TestName.Name = parms.TestName;
testMethod.TestName.FullName = prefix + "." + parms.TestName;
}
else if (parms.OriginalArguments != null)
{
string name = MethodHelper.GetDisplayName(method, parms.OriginalArguments);
testMethod.TestName.Name = name;
testMethod.TestName.FullName = prefix + "." + name;
}
if (parms.Ignored)
{
testMethod.RunState = RunState.Ignored;
testMethod.IgnoreReason = parms.IgnoreReason;
}
else if (parms.Explicit)
{
testMethod.RunState = RunState.Explicit;
}
foreach (string key in parms.Properties.Keys)
testMethod.Properties[key] = parms.Properties[key];
if (parms.Description != null)
testMethod.Description = parms.Description;
}
if (parentSuite != null)
{
if (parentSuite.RunState == RunState.NotRunnable && testMethod.RunState != RunState.NotRunnable)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = parentSuite.IgnoreReason;
}
if (parentSuite.RunState == RunState.Ignored && testMethod.RunState != RunState.Ignored && testMethod.RunState != RunState.NotRunnable)
{
testMethod.RunState = RunState.Ignored;
testMethod.IgnoreReason = parentSuite.IgnoreReason;
}
}
return testMethod;
}
private static bool CheckTestMethodSignature(TestMethodExtension testMethod, ParameterSet parms)
{
if (testMethod.Method.IsAbstract)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Method is abstract";
return false;
}
if (!testMethod.Method.IsPublic)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Method is not public";
return false;
}
ParameterInfo[] parameters = testMethod.Method.GetParameters();
int argsNeeded = parameters.Length;
object[] arglist = null;
int argsProvided = 0;
if (parms != null)
{
testMethod.arguments = parms.Arguments;
testMethod.hasExpectedResult = parms.HasExpectedResult;
if (testMethod.hasExpectedResult)
testMethod.expectedResult = parms.Result;
testMethod.RunState = parms.RunState;
testMethod.IgnoreReason = parms.IgnoreReason;
testMethod.BuilderException = parms.ProviderException;
arglist = parms.Arguments;
if (arglist != null)
argsProvided = arglist.Length;
if (testMethod.RunState != RunState.Runnable)
return false;
}
#if CLR_2_0 || CLR_4_0
bool isAsyncMethod = Reflect.IsAsyncMethod(testMethod.Method);
bool hasMeaningfulReturnType = isAsyncMethod ? testMethod.Method.ReturnType.IsGenericType : testMethod.Method.ReturnType != typeof(void);
#else
bool hasMeaningfulReturnType = testMethod.Method.ReturnType != typeof(void);
#endif
if (hasMeaningfulReturnType && (parms == null || !parms.HasExpectedResult && parms.ExpectedExceptionName == null))
return MarkAsNotRunnable(testMethod, "Test method has non-void return type, but no result is expected");
if (!hasMeaningfulReturnType && parms != null && parms.HasExpectedResult)
return MarkAsNotRunnable(testMethod, "Test method has void return type, but a result is expected");
if (argsProvided > 0 && argsNeeded == 0)
return MarkAsNotRunnable(testMethod, "Arguments provided for method not taking any");
if (argsProvided == 0 && argsNeeded > 0)
return MarkAsNotRunnable(testMethod, "No arguments were provided");
if (argsProvided != argsNeeded)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Wrong number of arguments provided";
return false;
}
#if CLR_2_0 || CLR_4_0
if (testMethod.Method.IsGenericMethodDefinition)
{
Type[] typeArguments = GetTypeArgumentsForMethod(testMethod.Method, arglist);
foreach (object o in typeArguments)
if (o == null)
{
testMethod.RunState = RunState.NotRunnable;
testMethod.IgnoreReason = "Unable to determine type arguments for fixture";
return false;
}
testMethod.method = testMethod.Method.MakeGenericMethod(typeArguments);
parameters = testMethod.Method.GetParameters();
for (int i = 0; i < parameters.Length; i++)
{
if (arglist[i].GetType() != parameters[i].ParameterType && arglist[i] is IConvertible)
{
try
{
arglist[i] = Convert.ChangeType(arglist[i], parameters[i].ParameterType);
}
catch (Exception)
{
// Do nothing - the incompatible argument will be reported below
}
}
}
}
#endif
return true;
}
public new Test BuildParameterizedMethodSuite(MethodInfo method, Test parentSuite)
{
ParameterizedMethodSuite methodSuite = new ParameterizedMethodSuite(method);
NUnitFramework.ApplyCommonAttributes(method, methodSuite);
if (parentSuite != null)
{
if (parentSuite.RunState == RunState.NotRunnable && methodSuite.RunState != RunState.NotRunnable)
{
methodSuite.RunState = RunState.NotRunnable;
methodSuite.IgnoreReason = parentSuite.IgnoreReason;
}
if (parentSuite.RunState == RunState.Ignored && methodSuite.RunState != RunState.Ignored && methodSuite.RunState != RunState.NotRunnable)
{
methodSuite.RunState = RunState.Ignored;
methodSuite.IgnoreReason = parentSuite.IgnoreReason;
}
}
ITestCaseProvider2 testCaseProvider = Host.GetExtensionPoint("TestCaseProviders") as ITestCaseProvider2;
foreach (object source in testCaseProvider.GetTestCasesFor(method, parentSuite))
{
ParameterSet parms;
if (source == null)
{
parms = new ParameterSet();
parms.Arguments = new object[] { null };
}
else
parms = source as ParameterSet;
if (parms == null)
{
if (source.GetType().GetInterface("NUnit.Framework.ITestCaseData") != null)
parms = ParameterSet.FromDataSource(source);
else
{
parms = new ParameterSet();
ParameterInfo[] parameters = method.GetParameters();
Type sourceType = source.GetType();
if (parameters.Length == 1 && parameters[0].ParameterType.IsAssignableFrom(sourceType))
parms.Arguments = new object[] { source };
else if (source is object[])
parms.Arguments = (object[])source;
else if (source is Array)
{
Array array = (Array)source;
if (array.Rank == 1)
{
parms.Arguments = new object[array.Length];
for (int i = 0; i < array.Length; i++)
parms.Arguments[i] = (object)array.GetValue(i);
}
}
else
parms.Arguments = new object[] { source };
}
}
TestMethod test = BuildSingleTestMethod(method, parentSuite, parms, this.screenCapture, methodSuite.Properties);
methodSuite.Add(test);
}
return methodSuite;
}
