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//
// UnitTestTextEditorExtension.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2013 Xamarin Inc. (http://xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using ICSharpCode.NRefactory.CSharp;
using MonoDevelop.Refactoring;
using ICSharpCode.NRefactory.CSharp.Resolver;
using System.Collections.Generic;
using MonoDevelop.NUnit;
using MonoDevelop.Core;
using ICSharpCode.NRefactory.Semantics;
using ICSharpCode.NRefactory.TypeSystem;
using System.Text;
namespace MonoDevelop.CSharp
{
class UnitTestTextEditorExtension : AbstractUnitTestTextEditorExtension
{
public override IList<UnitTestLocation> GatherUnitTests ()
{
var resolver = document.GetSharedResolver ();
if (resolver == null || resolver.Result == null)
return null;
var parsedDocument = document.ParsedDocument;
if (parsedDocument == null)
return null;
var syntaxTree = parsedDocument.GetAst<SyntaxTree> ();
if (syntaxTree == null)
return null;
var visitor = new NUnitVisitor (resolver.Result);
try {
visitor.VisitSyntaxTree (syntaxTree);
} catch (Exception ex) {
LoggingService.LogError ("Exception while analyzing ast for unit tests.", ex);
return null;
}
return visitor.FoundTests;
}
class NUnitVisitor : DepthFirstAstVisitor
{
readonly CSharpAstResolver resolver;
List<UnitTestLocation> foundTests = new List<UnitTestLocation> ();
public IList<UnitTestLocation> FoundTests {
get {
return foundTests;
}
}
public NUnitVisitor (CSharpAstResolver resolver)
{
this.resolver = resolver;
}
static string GetFullName (TypeDeclaration typeDeclaration)
{
var parts = new List<string> ();
while (true) {
parts.Add (typeDeclaration.Name);
if (typeDeclaration.Parent is TypeDeclaration) {
typeDeclaration = (TypeDeclaration)typeDeclaration.Parent;
}
else {
break;
}
}
;
var ns = typeDeclaration.Parent as NamespaceDeclaration;
if (ns != null)
parts.Add (ns.FullName);
parts.Reverse ();
return string.Join (".", parts);
}
static void AppendConstant (StringBuilder sb, object constantValue)
{
if (constantValue is string)
sb.Append ('"');
if (constantValue is char)
sb.Append ('\"');
sb.Append (constantValue);
if (constantValue is string)
sb.Append ('"');
if (constantValue is char)
sb.Append ('\"');
}
static string BuildArguments (IAttribute attr)
{
var sb = new StringBuilder ();
foreach (var arg in attr.PositionalArguments) {
if (sb.Length > 0)
sb.Append (", ");
var cr = arg as ConversionResolveResult;
if (cr != null) {
AppendConstant (sb, cr.Input.ConstantValue);
continue;
}
AppendConstant (sb, arg.ConstantValue);
}
return sb.ToString ();
}
public override void VisitMethodDeclaration (MethodDeclaration methodDeclaration)
{
var result = resolver.Resolve (methodDeclaration) as MemberResolveResult;
if (result == null)
return;
var method = result.Member as IMethod;
if (method == null)
return;
UnitTestLocation test = null;
foreach (var attr in method.Attributes) {
if (attr.AttributeType.ReflectionName == "NUnit.Framework.TestAttribute") {
if (test == null) {
test = new UnitTestLocation (methodDeclaration.NameToken.StartLocation.Line);
test.UnitTestIdentifier = GetFullName ((TypeDeclaration)methodDeclaration.Parent) + "." + methodDeclaration.Name;
foundTests.Add (test);
}
}
}
if (test != null) {
foreach (var attr in method.Attributes) {
if (attr.AttributeType.ReflectionName == "NUnit.Framework.TestCaseAttribute") {
test.TestCases.Add ("(" + BuildArguments (attr) + ")");
} else
test.IsIgnored |= attr.AttributeType.ReflectionName == "NUnit.Framework.IgnoreAttribute";
}
}
}
public override void VisitTypeDeclaration (TypeDeclaration typeDeclaration)
{
if (typeDeclaration.HasModifier (Modifiers.Abstract))
return;
var result = resolver.Resolve (typeDeclaration);
if (result == null || result.Type.GetDefinition () == null)
return;
UnitTestLocation unitTest = null;
bool isIgnored = false;
foreach (var attr in result.Type.GetDefinition ().GetAttributes ()) {
if (attr.AttributeType.ReflectionName == "NUnit.Framework.TestFixtureAttribute") {
unitTest = new UnitTestLocation (typeDeclaration.NameToken.StartLocation.Line);
unitTest.IsFixture = true;
unitTest.UnitTestIdentifier = GetFullName (typeDeclaration);
foundTests.Add (unitTest);
} else
isIgnored |= attr.AttributeType.ReflectionName == "NUnit.Framework.IgnoreAttribute";
}
if (unitTest != null) {
unitTest.IsIgnored = isIgnored;
base.VisitTypeDeclaration (typeDeclaration);
}
}
public override void VisitBlockStatement (BlockStatement blockStatement)
{
}
}
}
}
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