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Fix ExtractInterface regarding optional arguments
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4 files changed

+256
-33
lines changed

4 files changed

+256
-33
lines changed

‎Rubberduck.Refactorings/ExtractInterface/ExtractInterfaceRefactoringAction.cs‎

Lines changed: 0 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -11,7 +11,6 @@
1111
using Rubberduck.Refactorings.AddInterfaceImplementations;
1212
using Rubberduck.VBEditor.ComManagement;
1313
using Rubberduck.VBEditor.SafeComWrappers;
14-
using Rubberduck.VBEditor.SafeComWrappers.Abstract;
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using Rubberduck.VBEditor.Utility;
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namespace Rubberduck.Refactorings.ExtractInterface
@@ -143,12 +142,5 @@ private void AddInterfaceMembersToClass(ExtractInterfaceModel model, IRewriteSes
143142
var addMembersModel = new AddInterfaceImplementationsModel(targetModule, interfaceName, membersToImplement);
144143
_addImplementationsRefactoringAction.Refactor(addMembersModel, rewriteSession);
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}
146-
147-
private static readonly DeclarationType[] ModuleTypes =
148-
{
149-
DeclarationType.ClassModule,
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DeclarationType.Document,
151-
DeclarationType.UserForm
152-
};
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}
154146
}

‎Rubberduck.Refactorings/ExtractInterface/InterfaceMember.cs‎

Lines changed: 3 additions & 21 deletions
Original file line numberDiff line numberDiff line change
@@ -5,21 +5,10 @@
55
using System.Runtime.CompilerServices;
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using Rubberduck.Parsing.Grammar;
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using Rubberduck.Parsing.Symbols;
8+
using Rubberduck.Refactorings.ImplementInterface;
89

910
namespace Rubberduck.Refactorings.ExtractInterface
1011
{
11-
public class Parameter
12-
{
13-
public string ParamAccessibility { get; set; }
14-
public string ParamName { get; set; }
15-
public string ParamType { get; set; }
16-
17-
public override string ToString()
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{
19-
return $"{ParamAccessibility} {ParamName} As {ParamType}";
20-
}
21-
}
22-
2312
public class InterfaceMember : INotifyPropertyChanged
2413
{
2514
public Declaration Member { get; }
@@ -61,15 +50,8 @@ public InterfaceMember(Declaration member)
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if (member is IParameterizedDeclaration memberWithParams)
6251
{
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MemberParams = memberWithParams.Parameters
64-
.OrderBy(o => o.Selection.StartLine)
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.ThenBy(t => t.Selection.StartColumn)
66-
.Select(p => new Parameter
67-
{
68-
ParamAccessibility =
69-
((VBAParser.ArgContext) p.Context).BYVAL() != null ? Tokens.ByVal : Tokens.ByRef,
70-
ParamName = p.IdentifierName,
71-
ParamType = p.AsTypeName
72-
})
53+
.OrderBy(parameter => parameter.Selection)
54+
.Select(parameter => new Parameter(parameter))
7355
.ToList();
7456
}
7557
else

‎Rubberduck.Refactorings/ImplementInterface/AddInterfaceImplementations/AddInterfaceImplementationsRefactoringAction.cs‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -88,6 +88,7 @@ private IEnumerable<Parameter> GetParameters(Declaration member)
8888
if (member is ModuleBodyElementDeclaration method)
8989
{
9090
return method.Parameters
91+
.OrderBy(parameter => parameter.Selection)
9192
.Select(parameter => new Parameter(parameter));
9293
}
9394

‎RubberduckTests/Refactoring/ExtractInterface/ExtractInterfaceRefactoringActionTests.cs‎

Lines changed: 252 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -116,16 +116,16 @@ End Property
116116
Public Sub Foo(ByVal arg1 As Integer, ByVal arg2 As String)
117117
End Sub
118118
119-
Public Function Fizz(ByRef b As Variant) As Variant
119+
Public Function Fizz(b As Variant) As Variant
120120
End Function
121121
122122
Public Property Get Buzz() As Variant
123123
End Property
124124
125-
Public Property Let Buzz(ByRef value As Variant)
125+
Public Property Let Buzz(value As Variant)
126126
End Property
127127
128-
Public Property Set Buzz(ByRef value As Variant)
128+
Public Property Set Buzz(value As Variant)
129129
End Property
130130
";
131131
ExecuteTest(inputCode, expectedClassCode, expectedInterfaceCode, SelectAllMembers);
@@ -189,7 +189,7 @@ End Function
189189
Public Sub Foo(ByVal arg1 As Integer, ByVal arg2 As String)
190190
End Sub
191191
192-
Public Function Fizz(ByRef b As Variant) As Variant
192+
Public Function Fizz(b As Variant) As Variant
193193
End Function
194194
";
195195
var modelAdjustment = SelectFilteredMembers(member => !member.FullMemberSignature.Contains("Property"));
@@ -414,6 +414,254 @@ End Sub
414414
ExecuteTest(inputCode, expectedClassCode, expectedInterfaceCode, SelectAllMembers);
415415
}
416416

417+
[Test]
418+
[Category("Refactorings")]
419+
[Category("Implement Interface")]
420+
public void ExtractInterfaceRefactoring_ImplicitByRefParameter()
421+
{
422+
//Input
423+
const string inputCode =
424+
@"Public Sub Foo(arg As Variant)
425+
End Sub";
426+
//Expectation
427+
const string expectedClassCode =
428+
@"Implements IClass
429+
430+
Public Sub Foo(arg As Variant)
431+
End Sub
432+
433+
Private Sub IClass_Foo(arg As Variant)
434+
Err.Raise 5 'TODO implement interface member
435+
End Sub
436+
";
437+
const string expectedInterfaceCode =
438+
@"Option Explicit
439+
440+
'@Interface
441+
442+
Public Sub Foo(arg As Variant)
443+
End Sub
444+
";
445+
ExecuteTest(inputCode, expectedClassCode, expectedInterfaceCode, SelectAllMembers);
446+
}
447+
448+
[Test]
449+
[Category("Refactorings")]
450+
[Category("Implement Interface")]
451+
public void ExtractInterfaceRefactoring_ExplicitByRefParameter()
452+
{
453+
//Input
454+
const string inputCode =
455+
@"Public Sub Foo(ByRef arg As Variant)
456+
End Sub";
457+
//Expectation
458+
const string expectedClassCode =
459+
@"Implements IClass
460+
461+
Public Sub Foo(ByRef arg As Variant)
462+
End Sub
463+
464+
Private Sub IClass_Foo(ByRef arg As Variant)
465+
Err.Raise 5 'TODO implement interface member
466+
End Sub
467+
";
468+
const string expectedInterfaceCode =
469+
@"Option Explicit
470+
471+
'@Interface
472+
473+
Public Sub Foo(ByRef arg As Variant)
474+
End Sub
475+
";
476+
ExecuteTest(inputCode, expectedClassCode, expectedInterfaceCode, SelectAllMembers);
477+
}
478+
479+
[Test]
480+
[Category("Refactorings")]
481+
[Category("Implement Interface")]
482+
public void ExtractInterfaceRefactoring_ByValParameter()
483+
{
484+
//Input
485+
const string inputCode =
486+
@"Public Sub Foo(ByVal arg As Variant)
487+
End Sub";
488+
//Expectation
489+
const string expectedClassCode =
490+
@"Implements IClass
491+
492+
Public Sub Foo(ByVal arg As Variant)
493+
End Sub
494+
495+
Private Sub IClass_Foo(ByVal arg As Variant)
496+
Err.Raise 5 'TODO implement interface member
497+
End Sub
498+
";
499+
const string expectedInterfaceCode =
500+
@"Option Explicit
501+
502+
'@Interface
503+
504+
Public Sub Foo(ByVal arg As Variant)
505+
End Sub
506+
";
507+
ExecuteTest(inputCode, expectedClassCode, expectedInterfaceCode, SelectAllMembers);
508+
}
509+
510+
[Test]
511+
[Category("Refactorings")]
512+
[Category("Implement Interface")]
513+
public void ExtractInterfaceRefactoring_OptionalParameter_WoDefault()
514+
{
515+
//Input
516+
const string inputCode =
517+
@"Public Sub Foo(Optional arg As Variant)
518+
End Sub";
519+
//Expectation
520+
const string expectedClassCode =
521+
@"Implements IClass
522+
523+
Public Sub Foo(Optional arg As Variant)
524+
End Sub
525+
526+
Private Sub IClass_Foo(Optional arg As Variant)
527+
Err.Raise 5 'TODO implement interface member
528+
End Sub
529+
";
530+
const string expectedInterfaceCode =
531+
@"Option Explicit
532+
533+
'@Interface
534+
535+
Public Sub Foo(Optional arg As Variant)
536+
End Sub
537+
";
538+
ExecuteTest(inputCode, expectedClassCode, expectedInterfaceCode, SelectAllMembers);
539+
}
540+
541+
[Test]
542+
[Category("Refactorings")]
543+
[Category("Implement Interface")]
544+
public void ExtractInterfaceRefactoring_OptionalParameter_WithDefault()
545+
{
546+
//Input
547+
const string inputCode =
548+
@"Public Sub Foo(Optional arg As Variant = 42)
549+
End Sub";
550+
//Expectation
551+
const string expectedClassCode =
552+
@"Implements IClass
553+
554+
Public Sub Foo(Optional arg As Variant = 42)
555+
End Sub
556+
557+
Private Sub IClass_Foo(Optional arg As Variant = 42)
558+
Err.Raise 5 'TODO implement interface member
559+
End Sub
560+
";
561+
const string expectedInterfaceCode =
562+
@"Option Explicit
563+
564+
'@Interface
565+
566+
Public Sub Foo(Optional arg As Variant = 42)
567+
End Sub
568+
";
569+
ExecuteTest(inputCode, expectedClassCode, expectedInterfaceCode, SelectAllMembers);
570+
}
571+
572+
[Test]
573+
[Category("Refactorings")]
574+
[Category("Implement Interface")]
575+
public void ExtractInterfaceRefactoring_ParamArray()
576+
{
577+
//Input
578+
const string inputCode =
579+
@"Public Sub Foo(arg1 As Long, ParamArray args() As Variant)
580+
End Sub";
581+
//Expectation
582+
const string expectedClassCode =
583+
@"Implements IClass
584+
585+
Public Sub Foo(arg1 As Long, ParamArray args() As Variant)
586+
End Sub
587+
588+
Private Sub IClass_Foo(arg1 As Long, ParamArray args() As Variant)
589+
Err.Raise 5 'TODO implement interface member
590+
End Sub
591+
";
592+
const string expectedInterfaceCode =
593+
@"Option Explicit
594+
595+
'@Interface
596+
597+
Public Sub Foo(arg1 As Long, ParamArray args() As Variant)
598+
End Sub
599+
";
600+
ExecuteTest(inputCode, expectedClassCode, expectedInterfaceCode, SelectAllMembers);
601+
}
602+
603+
[Test]
604+
[Category("Refactorings")]
605+
[Category("Implement Interface")]
606+
public void ExtractInterfaceRefactoring_MakesMissingAsTypesExplicit()
607+
{
608+
//Input
609+
const string inputCode =
610+
@"Public Sub Foo(arg1)
611+
End Sub";
612+
//Expectation
613+
const string expectedClassCode =
614+
@"Implements IClass
615+
616+
Public Sub Foo(arg1)
617+
End Sub
618+
619+
Private Sub IClass_Foo(arg1 As Variant)
620+
Err.Raise 5 'TODO implement interface member
621+
End Sub
622+
";
623+
const string expectedInterfaceCode =
624+
@"Option Explicit
625+
626+
'@Interface
627+
628+
Public Sub Foo(arg1 As Variant)
629+
End Sub
630+
";
631+
ExecuteTest(inputCode, expectedClassCode, expectedInterfaceCode, SelectAllMembers);
632+
}
633+
634+
[Test]
635+
[Category("Refactorings")]
636+
[Category("Implement Interface")]
637+
public void ExtractInterfaceRefactoring_Array()
638+
{
639+
//Input
640+
const string inputCode =
641+
@"Public Sub Foo(arg1() As Long)
642+
End Sub";
643+
//Expectation
644+
const string expectedClassCode =
645+
@"Implements IClass
646+
647+
Public Sub Foo(arg1() As Long)
648+
End Sub
649+
650+
Private Sub IClass_Foo(arg1() As Long)
651+
Err.Raise 5 'TODO implement interface member
652+
End Sub
653+
";
654+
const string expectedInterfaceCode =
655+
@"Option Explicit
656+
657+
'@Interface
658+
659+
Public Sub Foo(arg1() As Long)
660+
End Sub
661+
";
662+
ExecuteTest(inputCode, expectedClassCode, expectedInterfaceCode, SelectAllMembers);
663+
}
664+
417665
private void ExecuteTest(string inputCode, string expectedClassCode, string expectedInterfaceCode, Func<ExtractInterfaceModel, ExtractInterfaceModel> modelAdjustment)
418666
{
419667
var refactoredCode = RefactoredCode(

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