public void GetTransformer_ForGenericMethodInfo()
{
var genericMethodDefinition = (from m in typeof(Queryable).GetMethods()
where m.Name == "Distinct" && m.GetParameters().Length == 1
select m).Single();
var closedGenericMethod = genericMethodDefinition.MakeGenericMethod(typeof(Cook));
var methodCallExpression = Expression.Call(closedGenericMethod, Expression.Constant(null, typeof(IQueryable <>).MakeGenericType(typeof(Cook))));
_methodCallTransformerRegistry.Register(genericMethodDefinition, _transformerStub);
var result = _methodCallTransformerRegistry.GetTransformer(methodCallExpression);
Assert.That(result, Is.SameAs(_transformerStub));
}
public void GetTransformer_DontFindGenerator_ReturnsNull()
{
var methodCallSqlGeneratorRegistry = new MethodInfoBasedMethodCallTransformerRegistry();
var methodCallExpression = Expression.Call(_methodInfo, Expression.Constant("a"), Expression.Constant("b"));
var result = methodCallSqlGeneratorRegistry.GetTransformer(methodCallExpression);
Assert.That(result, Is.Null);
}
public void GetTransformer()
{
var methodCallSqlGeneratorRegistry = new MethodInfoBasedMethodCallTransformerRegistry();
methodCallSqlGeneratorRegistry.Register(_methodInfo, _transformerStub);
var methodCallExpression = Expression.Call(_methodInfo, Expression.Constant("a"), Expression.Constant("b"));
var result = methodCallSqlGeneratorRegistry.GetTransformer(methodCallExpression);
Assert.That(result, Is.SameAs(_transformerStub));
}
public void GetTransformer_DontFindGenerator_ReturnsNull ()
{
var methodCallSqlGeneratorRegistry = new MethodInfoBasedMethodCallTransformerRegistry ();
var methodCallExpression = Expression.Call (_methodInfo, Expression.Constant ("a"), Expression.Constant ("b"));
var result = methodCallSqlGeneratorRegistry.GetTransformer (methodCallExpression);
Assert.That (result, Is.Null);
}
public void GetTransformer ()
{
var methodCallSqlGeneratorRegistry = new MethodInfoBasedMethodCallTransformerRegistry ();
methodCallSqlGeneratorRegistry.Register (_methodInfo, _transformerStub);
var methodCallExpression = Expression.Call (_methodInfo, Expression.Constant ("a"), Expression.Constant ("b"));
var result = methodCallSqlGeneratorRegistry.GetTransformer (methodCallExpression);
Assert.That (result, Is.SameAs (_transformerStub));
}