aspnetcore/test/Microsoft.VisualStudio.Lang.../ProjectSystem/DefaultProjectSnapshotManag...

972 lines
35 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Razor.Language;
using Microsoft.CodeAnalysis.Host;
using Microsoft.CodeAnalysis.Text;
using Moq;
using Xunit;
namespace Microsoft.CodeAnalysis.Razor.ProjectSystem
{
public class DefaultProjectSnapshotManagerTest : ForegroundDispatcherTestBase
{
public DefaultProjectSnapshotManagerTest()
{
TagHelperResolver = new TestTagHelperResolver();
HostServices = TestServices.Create(
new IWorkspaceService[]
{
new TestProjectSnapshotProjectEngineFactory(),
},
new ILanguageService[]
{
TagHelperResolver,
});
Documents = new HostDocument[]
{
new HostDocument("c:\\MyProject\\File.cshtml", "File.cshtml"),
new HostDocument("c:\\MyProject\\Index.cshtml", "Index.cshtml"),
// linked file
new HostDocument("c:\\SomeOtherProject\\Index.cshtml", "Pages\\Index.cshtml"),
};
HostProject = new HostProject("c:\\MyProject\\Test.csproj", FallbackRazorConfiguration.MVC_2_0);
HostProjectWithConfigurationChange = new HostProject("c:\\MyProject\\Test.csproj", FallbackRazorConfiguration.MVC_1_0);
Workspace = TestWorkspace.Create(HostServices);
ProjectManager = new TestProjectSnapshotManager(Dispatcher, Enumerable.Empty<ProjectSnapshotChangeTrigger>(), Workspace);
var projectId = ProjectId.CreateNewId("Test");
var solution = Workspace.CurrentSolution.AddProject(ProjectInfo.Create(
projectId,
VersionStamp.Default,
"Test",
"Test",
LanguageNames.CSharp,
"c:\\MyProject\\Test.csproj"));
WorkspaceProject = solution.GetProject(projectId);
var vbProjectId = ProjectId.CreateNewId("VB");
solution = solution.AddProject(ProjectInfo.Create(
vbProjectId,
VersionStamp.Default,
"VB",
"VB",
LanguageNames.VisualBasic,
"VB.vbproj"));
VBWorkspaceProject = solution.GetProject(vbProjectId);
var projectWithoutFilePathId = ProjectId.CreateNewId("NoFile");
solution = solution.AddProject(ProjectInfo.Create(
projectWithoutFilePathId,
VersionStamp.Default,
"NoFile",
"NoFile",
LanguageNames.CSharp));
WorkspaceProjectWithoutFilePath = solution.GetProject(projectWithoutFilePathId);
// Approximates a project with multi-targeting
var projectIdWithDifferentTfm = ProjectId.CreateNewId("TestWithDifferentTfm");
solution = Workspace.CurrentSolution.AddProject(ProjectInfo.Create(
projectIdWithDifferentTfm,
VersionStamp.Default,
"Test (Different TFM)",
"Test",
LanguageNames.CSharp,
"c:\\MyProject\\Test.csproj"));
WorkspaceProjectWithDifferentTfm = solution.GetProject(projectIdWithDifferentTfm);
SomeTagHelpers = TagHelperResolver.TagHelpers;
SomeTagHelpers.Add(TagHelperDescriptorBuilder.Create("Test1", "TestAssembly").Build());
SourceText = SourceText.From("Hello world");
}
private HostDocument[] Documents { get; }
private HostProject HostProject { get; }
private HostProject HostProjectWithConfigurationChange { get; }
private Project WorkspaceProject { get; }
private Project WorkspaceProjectWithDifferentTfm { get; }
private Project WorkspaceProjectWithoutFilePath { get; }
private Project VBWorkspaceProject { get; }
private TestTagHelperResolver TagHelperResolver { get; }
private TestProjectSnapshotManager ProjectManager { get; }
private HostServices HostServices { get; }
private Workspace Workspace { get; }
private SourceText SourceText { get; }
private IList<TagHelperDescriptor> SomeTagHelpers { get; }
[ForegroundFact]
public void DocumentAdded_AddsDocument()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.Collection(snapshot.DocumentFilePaths, d => Assert.Equal(Documents[0].FilePath, d));
Assert.Equal(ProjectChangeKind.DocumentAdded, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void DocumentAdded_IgnoresDuplicate()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
ProjectManager.Reset();
// Act
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.Collection(snapshot.DocumentFilePaths, d => Assert.Equal(Documents[0].FilePath, d));
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void DocumentAdded_IgnoresUnknownProject()
{
// Arrange
// Act
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.Null(snapshot);
}
[ForegroundFact]
public async Task DocumentAdded_NullLoader_HasEmptyText()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProject);
var document = snapshot.GetDocument(snapshot.DocumentFilePaths.Single());
var text = await document.GetTextAsync();
Assert.Equal(0, text.Length);
}
[ForegroundFact]
public async Task DocumentAdded_WithLoader_LoadesText()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
var expected = SourceText.From("Hello");
// Act
ProjectManager.DocumentAdded(HostProject, Documents[0], TextLoader.From(TextAndVersion.Create(expected,VersionStamp.Default)));
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProject);
var document = snapshot.GetDocument(snapshot.DocumentFilePaths.Single());
var actual = await document.GetTextAsync();
Assert.Same(expected, actual);
}
[ForegroundFact]
public async Task DocumentAdded_CachesTagHelpers()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Adding some computed state
var snapshot = ProjectManager.GetSnapshot(HostProject);
await snapshot.GetTagHelpersAsync();
// Act
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
// Assert
snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.True(snapshot.TryGetTagHelpers(out var _));
}
[ForegroundFact]
public void DocumentAdded_CachesProjectEngine()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.Reset();
var snapshot = ProjectManager.GetSnapshot(HostProject);
var projectEngine = snapshot.GetProjectEngine();
// Act
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
// Assert
snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.Same(projectEngine, snapshot.GetProjectEngine());
}
[ForegroundFact]
public void DocumentRemoved_RemovesDocument()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
ProjectManager.DocumentAdded(HostProject, Documents[1], null);
ProjectManager.DocumentAdded(HostProject, Documents[2], null);
ProjectManager.Reset();
// Act
ProjectManager.DocumentRemoved(HostProject, Documents[1]);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.Collection(
snapshot.DocumentFilePaths,
d => Assert.Equal(Documents[0].FilePath, d),
d => Assert.Equal(Documents[2].FilePath, d));
Assert.Equal(ProjectChangeKind.DocumentRemoved, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void DocumentRemoved_IgnoresNotFoundDocument()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.DocumentRemoved(HostProject, Documents[0]);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.Empty(snapshot.DocumentFilePaths);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void DocumentRemoved_IgnoresUnknownProject()
{
// Arrange
// Act
ProjectManager.DocumentRemoved(HostProject, Documents[0]);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.Null(snapshot);
}
[ForegroundFact]
public async Task DocumentRemoved_CachesTagHelpers()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
ProjectManager.DocumentAdded(HostProject, Documents[1], null);
ProjectManager.DocumentAdded(HostProject, Documents[2], null);
ProjectManager.Reset();
// Adding some computed state
var snapshot = ProjectManager.GetSnapshot(HostProject);
await snapshot.GetTagHelpersAsync();
// Act
ProjectManager.DocumentRemoved(HostProject, Documents[1]);
// Assert
snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.True(snapshot.TryGetTagHelpers(out var _));
}
[ForegroundFact]
public void DocumentRemoved_CachesProjectEngine()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
ProjectManager.DocumentAdded(HostProject, Documents[1], null);
ProjectManager.DocumentAdded(HostProject, Documents[2], null);
ProjectManager.Reset();
var snapshot = ProjectManager.GetSnapshot(HostProject);
var projectEngine = snapshot.GetProjectEngine();
// Act
ProjectManager.DocumentRemoved(HostProject, Documents[1]);
// Assert
snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.Same(projectEngine, snapshot.GetProjectEngine());
}
[ForegroundFact]
public async Task DocumentOpened_UpdatesDocument()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
ProjectManager.Reset();
// Act
ProjectManager.DocumentOpened(HostProject.FilePath, Documents[0].FilePath, SourceText);
// Assert
Assert.Equal(ProjectChangeKind.DocumentChanged, ProjectManager.ListenersNotifiedOf);
var snapshot = ProjectManager.GetSnapshot(HostProject);
var text = await snapshot.GetDocument(Documents[0].FilePath).GetTextAsync();
Assert.Same(SourceText, text);
Assert.True(ProjectManager.IsDocumentOpen(Documents[0].FilePath));
}
[ForegroundFact]
public async Task DocumentClosed_UpdatesDocument()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
ProjectManager.DocumentOpened(HostProject.FilePath, Documents[0].FilePath, SourceText);
ProjectManager.Reset();
var expected = SourceText.From("Hi");
var textAndVersion = TextAndVersion.Create(expected, VersionStamp.Create());
Assert.True(ProjectManager.IsDocumentOpen(Documents[0].FilePath));
// Act
ProjectManager.DocumentClosed(HostProject.FilePath, Documents[0].FilePath, TextLoader.From(textAndVersion));
// Assert
Assert.Equal(ProjectChangeKind.DocumentChanged, ProjectManager.ListenersNotifiedOf);
var snapshot = ProjectManager.GetSnapshot(HostProject);
var text = await snapshot.GetDocument(Documents[0].FilePath).GetTextAsync();
Assert.Same(expected, text);
Assert.False(ProjectManager.IsDocumentOpen(Documents[0].FilePath));
}
[ForegroundFact]
public async Task DocumentClosed_AcceptsChange()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
ProjectManager.Reset();
var expected = SourceText.From("Hi");
var textAndVersion = TextAndVersion.Create(expected, VersionStamp.Create());
// Act
ProjectManager.DocumentClosed(HostProject.FilePath, Documents[0].FilePath, TextLoader.From(textAndVersion));
// Assert
Assert.Equal(ProjectChangeKind.DocumentChanged, ProjectManager.ListenersNotifiedOf);
var snapshot = ProjectManager.GetSnapshot(HostProject);
var text = await snapshot.GetDocument(Documents[0].FilePath).GetTextAsync();
Assert.Same(expected, text);
}
[ForegroundFact]
public async Task DocumentChanged_Snapshot_UpdatesDocument()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
ProjectManager.DocumentOpened(HostProject.FilePath, Documents[0].FilePath, SourceText);
ProjectManager.Reset();
var expected = SourceText.From("Hi");
// Act
ProjectManager.DocumentChanged(HostProject.FilePath, Documents[0].FilePath, expected);
// Assert
Assert.Equal(ProjectChangeKind.DocumentChanged, ProjectManager.ListenersNotifiedOf);
var snapshot = ProjectManager.GetSnapshot(HostProject);
var text = await snapshot.GetDocument(Documents[0].FilePath).GetTextAsync();
Assert.Same(expected, text);
}
[ForegroundFact]
public async Task DocumentChanged_Loader_UpdatesDocument()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.DocumentAdded(HostProject, Documents[0], null);
ProjectManager.DocumentOpened(HostProject.FilePath, Documents[0].FilePath, SourceText);
ProjectManager.Reset();
var expected = SourceText.From("Hi");
var textAndVersion = TextAndVersion.Create(expected, VersionStamp.Create());
// Act
ProjectManager.DocumentChanged(HostProject.FilePath, Documents[0].FilePath, TextLoader.From(textAndVersion));
// Assert
Assert.Equal(ProjectChangeKind.DocumentChanged, ProjectManager.ListenersNotifiedOf);
var snapshot = ProjectManager.GetSnapshot(HostProject);
var text = await snapshot.GetDocument(Documents[0].FilePath).GetTextAsync();
Assert.Same(expected, text);
}
[ForegroundFact]
public void HostProjectAdded_WithoutWorkspaceProject_NotifiesListeners()
{
// Arrange
// Act
ProjectManager.HostProjectAdded(HostProject);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.False(snapshot.IsInitialized);
Assert.Equal(ProjectChangeKind.ProjectAdded, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void HostProjectAdded_FindsWorkspaceProject_NotifiesListeners()
{
// Arrange
Assert.True(Workspace.TryApplyChanges(WorkspaceProject.Solution));
// Act
ProjectManager.HostProjectAdded(HostProject);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProject);
Assert.True(snapshot.IsInitialized);
Assert.Equal(ProjectChangeKind.ProjectAdded, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void HostProjectChanged_ConfigurationChange_WithoutWorkspaceProject_NotifiesListeners()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.Reset();
// Act
ProjectManager.HostProjectChanged(HostProjectWithConfigurationChange);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProjectWithConfigurationChange);
Assert.False(snapshot.IsInitialized);
Assert.Equal(ProjectChangeKind.ProjectChanged, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void HostProjectChanged_ConfigurationChange_WithWorkspaceProject_NotifiesListeners()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.HostProjectChanged(HostProjectWithConfigurationChange);
// Assert
var snapshot = ProjectManager.GetSnapshot(HostProjectWithConfigurationChange);
Assert.True(snapshot.IsInitialized);
Assert.Equal(ProjectChangeKind.ProjectChanged, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void HostProjectChanged_ConfigurationChange_DoesNotCacheProjectEngine()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
var snapshot = ProjectManager.GetSnapshot(HostProject);
var projectEngine = snapshot.GetProjectEngine();
// Act
ProjectManager.HostProjectChanged(HostProjectWithConfigurationChange);
// Assert
snapshot = ProjectManager.GetSnapshot(HostProjectWithConfigurationChange);
Assert.NotSame(projectEngine, snapshot.GetProjectEngine());
}
[ForegroundFact]
public async Task HostProjectChanged_ConfigurationChange_DoesNotCacheComputedState()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
var snapshot = ProjectManager.GetSnapshot(HostProject);
ProjectManager.Reset();
// Adding some computed state
await snapshot.GetTagHelpersAsync();
// Act
ProjectManager.HostProjectChanged(HostProjectWithConfigurationChange);
// Assert
snapshot = ProjectManager.GetSnapshot(HostProjectWithConfigurationChange);
Assert.False(snapshot.TryGetTagHelpers(out var _));
}
[ForegroundFact]
public void HostProjectChanged_IgnoresUnknownProject()
{
// Arrange
// Act
ProjectManager.HostProjectChanged(HostProject);
// Assert
Assert.Empty(ProjectManager.Projects);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void HostProjectRemoved_RemovesProject_NotifiesListeners()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.Reset();
// Act
ProjectManager.HostProjectRemoved(HostProject);
// Assert
Assert.Empty(ProjectManager.Projects);
Assert.Equal(ProjectChangeKind.ProjectRemoved, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectAdded_WithoutHostProject_IgnoresWorkspaceProject()
{
// Arrange
// Act
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
// Assert
Assert.Empty(ProjectManager.Projects);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectAdded_IgnoresNonCSharpProject()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectAdded(VBWorkspaceProject);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.False(snapshot.IsInitialized);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectAdded_IgnoresSecondProjectWithSameFilePath()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectAdded(WorkspaceProjectWithDifferentTfm);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.Same(WorkspaceProject, snapshot.WorkspaceProject);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectAdded_IgnoresProjectWithoutFilePath()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectAdded(WorkspaceProjectWithoutFilePath);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.False(snapshot.IsInitialized);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectAdded_WithHostProject_NotifiesListenters()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.True(snapshot.IsInitialized);
Assert.Equal(ProjectChangeKind.ProjectChanged, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectChanged_WithHostProject_NotifiesListenters()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectChanged(WorkspaceProject.WithAssemblyName("Test1"));
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.True(snapshot.IsInitialized);
Assert.Equal(ProjectChangeKind.ProjectChanged, ProjectManager.ListenersNotifiedOf);
}
// We always update the snapshot when someone calls WorkspaceProjectChanged. This is how we deal
// with changes to source code, which wouldn't result in a new project.
[ForegroundFact]
public void WorkspaceProjectChanged_WithHostProject_NotifiesListeners()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectChanged(WorkspaceProject);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.True(snapshot.IsInitialized);
Assert.Equal(ProjectChangeKind.ProjectChanged, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectChanged_WithHostProject_CanNoOpForSecondProject()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectChanged(WorkspaceProjectWithDifferentTfm);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.True(snapshot.IsInitialized);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectChanged_WithoutHostProject_IgnoresWorkspaceProject()
{
// Arrange
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
var project = WorkspaceProject.WithAssemblyName("Test1"); // Simulate a project change
// Act
ProjectManager.WorkspaceProjectChanged(project);
// Assert
Assert.Empty(ProjectManager.Projects);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectChanged_IgnoresNonCSharpProject()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(VBWorkspaceProject);
ProjectManager.Reset();
var project = VBWorkspaceProject.WithAssemblyName("Test1"); // Simulate a project change
// Act
ProjectManager.WorkspaceProjectChanged(project);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.False(snapshot.IsInitialized);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectChanged_IgnoresProjectWithoutFilePath()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProjectWithoutFilePath);
ProjectManager.Reset();
var project = WorkspaceProjectWithoutFilePath.WithAssemblyName("Test1"); // Simulate a project change
// Act
ProjectManager.WorkspaceProjectChanged(project);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.False(snapshot.IsInitialized);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectChanged_IgnoresSecondProjectWithSameFilePath()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectChanged(WorkspaceProjectWithDifferentTfm);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.Same(WorkspaceProject, snapshot.WorkspaceProject);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public async Task WorkspaceProjectRemoved_DoesNotRemoveProject_RemovesTagHelpers()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
var snapshot = ProjectManager.GetSnapshot(HostProject);
// Adding some computed state
await snapshot.GetTagHelpersAsync();
// Act
ProjectManager.WorkspaceProjectRemoved(WorkspaceProject);
// Assert
snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.False(snapshot.IsInitialized);
Assert.False(snapshot.TryGetTagHelpers(out var _));
Assert.Equal(ProjectChangeKind.ProjectChanged, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public async Task WorkspaceProjectRemoved_FallsBackToSecondProject()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
var snapshot = ProjectManager.GetSnapshot(HostProject);
// Adding some computed state
await snapshot.GetTagHelpersAsync();
// Sets up a solution where the which has WorkspaceProjectWithDifferentTfm but not WorkspaceProject
// This will enable us to fall back and find the WorkspaceProjectWithDifferentTfm
Assert.True(Workspace.TryApplyChanges(WorkspaceProjectWithDifferentTfm.Solution));
// Act
ProjectManager.WorkspaceProjectRemoved(WorkspaceProject);
// Assert
snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.True(snapshot.IsInitialized);
Assert.Equal(WorkspaceProjectWithDifferentTfm.Id, snapshot.WorkspaceProject.Id);
Assert.False(snapshot.TryGetTagHelpers(out var _));
Assert.Equal(ProjectChangeKind.ProjectChanged, ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectRemoved_IgnoresSecondProjectWithSameFilePath()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectRemoved(WorkspaceProjectWithDifferentTfm);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.Same(WorkspaceProject, snapshot.WorkspaceProject);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectRemoved_IgnoresNonCSharpProject()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(VBWorkspaceProject);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectRemoved(VBWorkspaceProject);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.False(snapshot.IsInitialized);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectRemoved_IgnoresProjectWithoutFilePath()
{
// Arrange
ProjectManager.HostProjectAdded(HostProject);
ProjectManager.WorkspaceProjectAdded(WorkspaceProjectWithoutFilePath);
ProjectManager.Reset();
// Act
ProjectManager.WorkspaceProjectRemoved(WorkspaceProjectWithoutFilePath);
// Assert
var snapshot = ProjectManager.GetSnapshot(WorkspaceProject);
Assert.False(snapshot.IsInitialized);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
[ForegroundFact]
public void WorkspaceProjectRemoved_IgnoresUnknownProject()
{
// Arrange
// Act
ProjectManager.WorkspaceProjectRemoved(WorkspaceProject);
// Assert
Assert.Empty(ProjectManager.Projects);
Assert.Null(ProjectManager.ListenersNotifiedOf);
}
private class TestProjectSnapshotManager : DefaultProjectSnapshotManager
{
public TestProjectSnapshotManager(ForegroundDispatcher dispatcher, IEnumerable<ProjectSnapshotChangeTrigger> triggers, Workspace workspace)
: base(dispatcher, Mock.Of<ErrorReporter>(), triggers, workspace)
{
}
public ProjectChangeKind? ListenersNotifiedOf { get; private set; }
public DefaultProjectSnapshot GetSnapshot(HostProject hostProject)
{
return Projects.Cast<DefaultProjectSnapshot>().FirstOrDefault(s => s.FilePath == hostProject.FilePath);
}
public DefaultProjectSnapshot GetSnapshot(Project workspaceProject)
{
return Projects.Cast<DefaultProjectSnapshot>().FirstOrDefault(s => s.FilePath == workspaceProject.FilePath);
}
public void Reset()
{
ListenersNotifiedOf = null;
}
protected override void NotifyListeners(ProjectChangeEventArgs e)
{
ListenersNotifiedOf = e.Kind;
}
}
}
}