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test/LanguageServer.Engine.Tests/MSBuildObjectLocatorTests.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| using Microsoft.Build.Evaluation; | ||
| using MSBuildProjectTools.LanguageServer.SemanticModel; | ||
| using System; | ||
| using System.IO; | ||
| using Xunit; | ||
| using Xunit.Abstractions; | ||
|
|
||
| namespace MSBuildProjectTools.LanguageServer.Tests | ||
| { | ||
| /// <summary> | ||
| /// Tests for locating MSBuild objects by position. | ||
| /// </summary> | ||
| /// <param name="testOutput"> | ||
| /// The xUnit test output for the current test. | ||
| /// </param> | ||
| [Collection(MSBuildEngineFixture.CollectionName)] | ||
| public class MSBuildObjectLocatorTests(ITestOutputHelper testOutput) | ||
| : TestBase(testOutput), IDisposable | ||
| { | ||
| /// <summary> | ||
| /// The project collection for any projects loaded by the current test. | ||
| /// </summary> | ||
| ProjectCollection _projectCollection; | ||
|
|
||
| /// <summary> | ||
| /// Dispose of resources being used by the test. | ||
| /// </summary> | ||
| public void Dispose() | ||
| { | ||
| if (_projectCollection != null) | ||
| { | ||
| _projectCollection.Dispose(); | ||
| _projectCollection = null; | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Verify that the <see cref="MSBuildObjectLocator"/> correctly handles a property that is defined, and then redefined, in the same project file. | ||
| /// </summary> | ||
| [Fact] | ||
| public void Can_Locate_Property_Redefined_SameFile() | ||
| { | ||
| TestProject testProject = LoadTestProject("TestProjects", "RedefineProperty.SameFile.csproj"); | ||
|
|
||
| var firstElementPosition = new Position(4, 5); // <Property2>false</Property2> | ||
| var secondElementPosition = firstElementPosition.Move(lineCount: 1); // <Property2 Condition=" '$(Property1)' == 'true' ">true</Property2> | ||
|
|
||
|
|
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| // First "Property2" element (the overridden one). | ||
| // <Property2>false</Property2> | ||
| XmlLocation firstLocation = testProject.XmlLocations.Inspect(firstElementPosition); | ||
|
|
||
| XSElement firstPropertyElement; | ||
| Assert.True(firstLocation.IsElement(out firstPropertyElement)); | ||
| Assert.Equal("Property2", firstPropertyElement.Name); | ||
|
|
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| // Second "Property2" element (the overriding one). | ||
| // <Property2 Condition=" '$(Property1)' == 'true' ">true</Property2> | ||
| XmlLocation secondLocation = testProject.XmlLocations.Inspect(secondElementPosition); | ||
|
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| XSElement secondPropertyElement; | ||
| Assert.True(secondLocation.IsElement(out secondPropertyElement)); | ||
| Assert.Equal("Property2", secondPropertyElement.Name); | ||
|
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| // The MSBuild property "Property2" corresponding to the first "Property" element. | ||
| MSBuildObject firstMSBuildObject = testProject.ObjectLocations.Find(firstElementPosition); | ||
| MSBuildProperty propertyFromFirstPosition = Assert.IsAssignableFrom<MSBuildProperty>(firstMSBuildObject); | ||
| Assert.Equal("Property2", propertyFromFirstPosition.Name); | ||
| Assert.Equal("true", propertyFromFirstPosition.Value); // property has second, overridden value | ||
| Assert.Equal(propertyFromFirstPosition.Element.Range, firstPropertyElement.Range); // i.e. property comes from the second Property2 element, not the first. | ||
|
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||
| // The MSBuild property "Property2" corresponding to the second "Property" element. | ||
| MSBuildObject secondMSBuildObject = testProject.ObjectLocations.Find(secondElementPosition); | ||
| MSBuildProperty propertyFromSecondPosition = Assert.IsAssignableFrom<MSBuildProperty>(secondMSBuildObject); | ||
| Assert.Equal("Property2", propertyFromSecondPosition.Name); | ||
| Assert.Equal("true", propertyFromSecondPosition.Value); // property has second, overridden value | ||
| Assert.Equal(propertyFromSecondPosition.Element.Range, secondPropertyElement.Range); // i.e. property comes from the second Property2 element, not the first. | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Load a test project. | ||
| /// </summary> | ||
| /// <param name="relativePathSegments"> | ||
| /// The file's relative path segments. | ||
| /// </param> | ||
| /// <returns> | ||
| /// The loaded project, as a <see cref="TestProject"/>. | ||
| /// </returns> | ||
| TestProject LoadTestProject(params string[] relativePathSegments) | ||
| { | ||
| if (relativePathSegments == null) | ||
| throw new ArgumentNullException(nameof(relativePathSegments)); | ||
|
|
||
| if (_projectCollection == null) | ||
| _projectCollection = TestProjects.CreateProjectCollection<MSBuildObjectLocatorTests>(Log, relativePathSegments); | ||
|
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| return _projectCollection.LoadTestProject<MSBuildObjectLocatorTests>(relativePathSegments); | ||
| } | ||
| } | ||
| } |
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