SelfAssignedDeclaration tests

Author: Hosch250

RubberduckTests/Inspections/SelfAssignedDeclarationInspectionTests.cs

@@ -0,0 +1,93 @@
+using System.Linq;
+using System.Threading;
+using Microsoft.Vbe.Interop;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Moq;
+using Rubberduck.Inspections;
+using Rubberduck.Parsing;
+using Rubberduck.Parsing.VBA;
+using Rubberduck.VBEditor.VBEHost;
+using RubberduckTests.Mocks;
+
+namespace RubberduckTests.Inspections
+{
+    [TestClass]
+    public class SelfAssignedDeclarationInspectionTests
+    {
+        [TestMethod]
+        [TestCategory("Inspections")]
+        public void SelfAssignedDeclaration_ReturnsResult()
+        {
+            const string inputCode =
+@"Sub Foo()
+    Dim b As New Collection
+End Sub";
+
+            //Arrange
+            var builder = new MockVbeBuilder();
+            var project = builder.ProjectBuilder("VBAProject", vbext_ProjectProtection.vbext_pp_none)
+                .AddComponent("MyClass", vbext_ComponentType.vbext_ct_ClassModule, inputCode)
+                .Build();
+            var vbe = builder.AddProject(project).Build();
+
+            var mockHost = new Mock<IHostApplication>();
+            mockHost.SetupAllProperties();
+            var parser = MockParser.Create(vbe.Object, new RubberduckParserState(vbe.Object, new Mock<ISinks>().Object));
+
+            parser.Parse(new CancellationTokenSource());
+            if (parser.State.Status >= ParserState.Error) { Assert.Inconclusive("Parser Error"); }
+
+            var inspection = new SelfAssignedDeclarationInspection(parser.State);
+            var inspectionResults = inspection.GetInspectionResults();
+
+            Assert.AreEqual(1, inspectionResults.Count());
+        }
+
+        [TestMethod]
+        [TestCategory("Inspections")]
+        public void SelfAssignedDeclaration_DoesNotReturnResult()
+        {
+            const string inputCode =
+@"Sub Foo()
+    Dim b As Collection
+End Sub";
+
+            //Arrange
+            var builder = new MockVbeBuilder();
+            var project = builder.ProjectBuilder("VBAProject", vbext_ProjectProtection.vbext_pp_none)
+                .AddComponent("MyClass", vbext_ComponentType.vbext_ct_ClassModule, inputCode)
+                .Build();
+            var vbe = builder.AddProject(project).Build();
+
+            var mockHost = new Mock<IHostApplication>();
+            mockHost.SetupAllProperties();
+            var parser = MockParser.Create(vbe.Object, new RubberduckParserState(vbe.Object, new Mock<ISinks>().Object));
+
+            parser.Parse(new CancellationTokenSource());
+            if (parser.State.Status >= ParserState.Error) { Assert.Inconclusive("Parser Error"); }
+
+            var inspection = new SelfAssignedDeclarationInspection(parser.State);
+            var inspectionResults = inspection.GetInspectionResults();
+
+            Assert.IsFalse(inspectionResults.Any());
+        }
+
+        [TestMethod]
+        [TestCategory("Inspections")]
+        public void InspectionType()
+        {
+            var inspection = new SelfAssignedDeclarationInspection(null);
+            Assert.AreEqual(CodeInspectionType.CodeQualityIssues, inspection.InspectionType);
+        }
+
+        [TestMethod]
+        [TestCategory("Inspections")]
+        public void InspectionName()
+        {
+            const string inspectionName = "SelfAssignedDeclarationInspection";
+            var inspection = new SelfAssignedDeclarationInspection(null);
+
+            Assert.AreEqual(inspectionName, inspection.Name);
+        }
+    }
+}

RubberduckTests/RubberduckTests.csproj

@@ -99,6 +99,7 @@
     <Compile Include="Inspections\MultipleFolderAnnotationsInspectionTests.cs" />
     <Compile Include="Inspections\ObjectVariableNotSetInpsectionTests.cs" />
     <Compile Include="Inspections\MalformedAnnotationInspectionTests.cs" />
+    <Compile Include="Inspections\SelfAssignedDeclarationInspectionTests.cs" />
     <Compile Include="Inspections\UntypedFunctionUsageInspectionTests.cs" />
     <Compile Include="Inspections\UnassignedVariableUsageInspectionTests.cs" />
     <Compile Include="Inspections\WriteOnlyPropertyInspectionTests.cs" />