public void can_find_arguments_in_parameterless_method_call()
{
var arguments = ArgumentsVisitor.FindArgumentsWithin(GetExpression(() => Console.WriteLine()));
Assert.NotNull(arguments);
Assert.Equal(0, arguments.Length);
}
private static T InvokeAndLog <T>(Expression <Func <T> > expr)
{
var visitor = new ArgumentsVisitor();
visitor.Visit(expr);
Console.WriteLine("Inputs: {0}", string.Join(", ", visitor.Arguments));
return(expr.Compile()());
}
public void can_find_arguments_within_method_call_taking_parameters()
{
var arguments = ArgumentsVisitor.FindArgumentsWithin(GetExpression(() => Console.WriteLine("something {0}, {1}, {2}", 13, DateTime.MinValue, Tuple.Create(1, "one"))));
Assert.NotNull(arguments);
Assert.Equal(4, arguments.Length);
Assert.Equal("something {0}, {1}, {2}", arguments[0]);
Assert.Equal(13, arguments[1]);
Assert.Equal(DateTime.MinValue, arguments[2]);
Assert.Equal(Tuple.Create(1, "one"), arguments[3]);
}
/// <summary>
/// Applies any specifications configured via <see cref="When"/> for a given member.
/// </summary>
/// <param name="selector">
/// An expression that resolves to the member.
/// </param>
protected TMember Apply <TMember>(Expression <Func <TMock, TMember> > selector)
{
var args = ArgumentsVisitor.FindArgumentsWithin(selector.Body) ?? emptyArgs;
WhenContinuationCollection whenContinuationCollection;
var continuation = this.GetWhenContinuation(selector, args, out whenContinuationCollection);
whenContinuationCollection.AddInvocation(new Invocation(args));
if (continuation == null)
{
return(default);
/// <summary>
/// Applies any specifications configured via <see cref="When"/> for a given member.
/// </summary>
/// <param name="selector">
/// An expression that resolves to the member.
/// </param>
protected void Apply(Expression <Action <TMock> > selector)
{
var args = ArgumentsVisitor.FindArgumentsWithin(selector.Body) ?? emptyArgs;
WhenContinuationCollection whenContinuationCollection;
var continuation = this.GetWhenContinuation(selector, args, out whenContinuationCollection);
whenContinuationCollection.AddInvocation(new Invocation(args));
if (continuation == null)
{
return;
}
continuation.Apply(this.MockedObject, args);
}
/// <summary>
/// Applies any specifications configured via <see cref="WhenPropertySet{TMember}"/> for a given property setter.
/// </summary>
/// <param name="selector">
/// An expression that resolves to the property being set.
/// </param>
/// <param name="value">
/// The value being assigned to the property.
/// </param>
protected void ApplyPropertySet <TMember>(Expression <Func <TMock, TMember> > selector, object value)
{
// base arguments would be any indexers to the property
var indexerArgs = ArgumentsVisitor.FindArgumentsWithin(selector.Body) ?? emptyArgs;
var args = new object[indexerArgs.Length + 1];
Array.Copy(indexerArgs, args, indexerArgs.Length);
args[args.Length - 1] = value;
WhenContinuationCollection whenContinuationCollection;
var continuation = this.GetWhenContinuation(selector, args, out whenContinuationCollection);
whenContinuationCollection.AddInvocation(new Invocation(args));
if (continuation == null)
{
return;
}
continuation.Apply(this.MockedObject, args);
}
protected override void ProcessRecord()
{
using (var reader = new StringReader(Script))
{
var parser = new TSql90Parser(false);
IList<ParseError> errors;
var result = parser.Parse(reader, out errors);
if (errors.Count == 0)
{
var visitor = new ArgumentsVisitor();
result.Accept(visitor);
WriteObject(new
{
ProcedureName = visitor.ProcedureName,
Parameters = visitor.Parameters
});
}
else
{
foreach (var error in errors)
{
var errorRecord = new ErrorRecord(
new FormatException($"{error.Message} Line:{error.Line}:{error.Column}"),
null,
ErrorCategory.InvalidArgument,
Script
);
WriteError(errorRecord);
}
}
}
}
protected override void ProcessRecord()
{
using (var reader = new StringReader(Script))
{
var parser = new TSql90Parser(false);
IList <ParseError> errors;
var result = parser.Parse(reader, out errors);
if (errors.Count == 0)
{
var visitor = new ArgumentsVisitor();
result.Accept(visitor);
WriteObject(new
{
ProcedureName = visitor.ProcedureName,
Parameters = visitor.Parameters
});
}
else
{
foreach (var error in errors)
{
var errorRecord = new ErrorRecord(
new FormatException($"{error.Message} Line:{error.Line}:{error.Column}"),
null,
ErrorCategory.InvalidArgument,
Script
);
WriteError(errorRecord);
}
}
}
}
public void cannot_find_arguments_if_there_is_a_method_call_but_it_is_not_at_root_level()
{
object[] arguments;
Assert.False(ArgumentsVisitor.TryFindArgumentsWithin(GetExpression(() => new[] { Tuple.Create(1, 2) }), out arguments));
}
public void cannot_find_arguments_in_non_method_call()
{
object[] arguments;
Assert.False(ArgumentsVisitor.TryFindArgumentsWithin(GetExpression(() => 13), out arguments));
Assert.False(ArgumentsVisitor.TryFindArgumentsWithin(GetExpression(() => "foo"), out arguments));
}
