CombiningStrategyAttribute
Marks a test as using a particular CombiningStrategy to join any supplied parameter data.
Since this is the default, the attribute is optional.
using NUnit.Framework.Interfaces;
using NUnit.Framework.Internal;
using NUnit.Framework.Internal.Builders;
using NUnit.Framework.Internal.Extensions;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
namespace NUnit.Framework
{
[System.Runtime.CompilerServices.NullableContext(1)]
[System.Runtime.CompilerServices.Nullable(0)]
[AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
public abstract class CombiningStrategyAttribute : NUnitAttribute, ITestBuilder, IApplyToTest
{
private readonly NUnitTestCaseBuilder _builder = new NUnitTestCaseBuilder();
private readonly ICombiningStrategy _strategy;
private readonly IParameterDataProvider _dataProvider;
protected CombiningStrategyAttribute(ICombiningStrategy strategy, IParameterDataProvider provider)
{
_strategy = strategy;
_dataProvider = provider;
}
protected CombiningStrategyAttribute(object strategy, object provider)
: this((ICombiningStrategy)strategy, (IParameterDataProvider)provider)
{
}
public IEnumerable<TestMethod> BuildFrom(IMethodInfo method, [System.Runtime.CompilerServices.Nullable(2)] Test suite)
{
List<TestMethod> list = new List<TestMethod>();
IParameterInfo[] parameters = method.GetParameters();
if (parameters.Length != 0) {
int num = parameters.LastParameterAcceptsCancellationToken() ? (parameters.Length - 1) : parameters.Length;
IEnumerable[] array = new IEnumerable[num];
try {
for (int i = 0; i < num; i++) {
array[i] = _dataProvider.GetDataFor(parameters[i]);
}
} catch (InvalidDataSourceException ex) {
TestCaseParameters testCaseParameters = new TestCaseParameters();
testCaseParameters.RunState = RunState.NotRunnable;
testCaseParameters.Properties.Set("_SKIPREASON", ex.Message);
list.Add(_builder.BuildTestMethod(method, suite, testCaseParameters));
return list;
}
{
foreach (ITestCaseData testCase in _strategy.GetTestCases(array)) {
list.Add(_builder.BuildTestMethod(method, suite, (TestCaseParameters)testCase));
}
return list;
}
}
return list;
}
public void ApplyToTest(Test test)
{
string text = _strategy.GetType().Name;
if (text.EndsWith("Strategy", StringComparison.Ordinal))
text = text.Substring(0, text.Length - 8);
test.Properties.Set("_JOINTYPE", text);
}
}
}