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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
#nullable disable
using Xunit;
using DirectoryNode = Microsoft.AspNetCore.Razor.Language.VirtualRazorProjectFileSystem.DirectoryNode;
using FileNode = Microsoft.AspNetCore.Razor.Language.VirtualRazorProjectFileSystem.FileNode;
namespace Microsoft.AspNetCore.Razor.Language;
public class VirtualRazorProjectFileSystemTest
{
[Fact]
public void GetItem_ReturnsNotFound_IfFileDoesNotExistInRoot()
{
// Arrange
var path = "/root-file.cshtml";
var projectSystem = new VirtualRazorProjectFileSystem();
// Act
projectSystem.Add(new TestRazorProjectItem("/different-file.cshtml"));
var result = projectSystem.GetItem(path, fileKind: null);
// Assert
Assert.False(result.Exists);
}
[Fact]
public void GetItem_ReturnsItemAddedToRoot()
{
// Arrange
var path = "/root-file.cshtml";
var projectSystem = new VirtualRazorProjectFileSystem();
var projectItem = new TestRazorProjectItem(path);
// Act
projectSystem.Add(projectItem);
var actual = projectSystem.GetItem(path, fileKind: null);
// Assert
Assert.Same(projectItem, actual);
}
[Theory]
[InlineData("/subDirectory/file.cshtml")]
[InlineData("/subDirectory/dir2/file.cshtml")]
[InlineData("/subDirectory/dir2/dir3/file.cshtml")]
public void GetItem_ReturnsItemAddedToNestedDirectory(string path)
{
// Arrange
var projectSystem = new VirtualRazorProjectFileSystem();
var projectItem = new TestRazorProjectItem(path);
// Act
projectSystem.Add(projectItem);
var actual = projectSystem.GetItem(path, fileKind: null);
// Assert
Assert.Same(projectItem, actual);
}
[Fact]
public void GetItem_ReturnsNotFound_WhenNestedDirectoryDoesNotExist()
{
// Arrange
var projectSystem = new VirtualRazorProjectFileSystem();
// Act
var actual = projectSystem.GetItem("/subDirectory/dir3/file.cshtml", fileKind: null);
// Assert
Assert.False(actual.Exists);
}
[Fact]
public void GetItem_ReturnsNotFound_WhenNestedDirectoryDoesNotExist_AndPeerDirectoryExists()
{
// Arrange
var projectSystem = new VirtualRazorProjectFileSystem();
var projectItem = new TestRazorProjectItem("/subDirectory/dir2/file.cshtml");
// Act
projectSystem.Add(projectItem);
var actual = projectSystem.GetItem("/subDirectory/dir3/file.cshtml", fileKind: null);
// Assert
Assert.False(actual.Exists);
}
[Fact]
public void GetItem_ReturnsNotFound_WhenFileDoesNotExistInNestedDirectory()
{
// Arrange
var projectSystem = new VirtualRazorProjectFileSystem();
var projectItem = new TestRazorProjectItem("/subDirectory/dir2/file.cshtml");
// Act
projectSystem.Add(projectItem);
var actual = projectSystem.GetItem("/subDirectory/dir2/file2.cshtml", fileKind: null);
// Assert
Assert.False(actual.Exists);
}
[Fact]
public void EnumerateItems_AtRoot_ReturnsAllFiles()
{
// Arrange
var projectSystem = new VirtualRazorProjectFileSystem();
var file1 = new TestRazorProjectItem("/subDirectory/dir2/file1.cshtml");
var file2 = new TestRazorProjectItem("/file2.cshtml");
var file3 = new TestRazorProjectItem("/dir3/file3.cshtml");
var file4 = new TestRazorProjectItem("/subDirectory/file4.cshtml");
projectSystem.Add(file1);
projectSystem.Add(file2);
projectSystem.Add(file3);
projectSystem.Add(file4);
// Act
var result = projectSystem.EnumerateItems("/");
// Assert
Assert.Equal(new[] { file2, file4, file1, file3 }, result);
}
[Fact]
public void EnumerateItems_AtSubDirectory_ReturnsAllFilesUnderDirectoryHierarchy()
{
// Arrange
var projectSystem = new VirtualRazorProjectFileSystem();
var file1 = new TestRazorProjectItem("/subDirectory/dir2/file1.cshtml");
var file2 = new TestRazorProjectItem("/file2.cshtml");
var file3 = new TestRazorProjectItem("/dir3/file3.cshtml");
var file4 = new TestRazorProjectItem("/subDirectory/file4.cshtml");
projectSystem.Add(file1);
projectSystem.Add(file2);
projectSystem.Add(file3);
projectSystem.Add(file4);
// Act
var result = projectSystem.EnumerateItems("/subDirectory");
// Assert
Assert.Equal(new[] { file4, file1 }, result);
}
[Fact]
public void EnumerateItems_WithNoFilesInRoot_ReturnsEmptySequence()
{
// Arrange
var projectSystem = new VirtualRazorProjectFileSystem();
// Act
var result = projectSystem.EnumerateItems("/");
// Assert
Assert.Empty(result);
}
[Fact]
public void EnumerateItems_ForNonExistentDirectory_ReturnsEmptySequence()
{
// Arrange
var projectSystem = new VirtualRazorProjectFileSystem();
projectSystem.Add(new TestRazorProjectItem("/subDirectory/dir2/file1.cshtml"));
projectSystem.Add(new TestRazorProjectItem("/file2.cshtml"));
// Act
var result = projectSystem.EnumerateItems("/dir3");
// Assert
Assert.Empty(result);
}
[Fact]
public void GetHierarchicalItems_Works()
{
// Arrange
var projectSystem = new VirtualRazorProjectFileSystem();
var viewImport1 = new TestRazorProjectItem("/_ViewImports.cshtml");
var viewImport2 = new TestRazorProjectItem("/Views/Home/_ViewImports.cshtml");
projectSystem.Add(viewImport1);
projectSystem.Add(viewImport2);
// Act
var items = projectSystem.FindHierarchicalItems("/", "/Views/Home/Index.cshtml", "_ViewImports.cshtml");
// Assert
Assert.Collection(
items,
item => Assert.Same(viewImport1, item),
item => Assert.False(item.Exists),
item => Assert.Same(viewImport2, item));
}
[Fact]
public void DirectoryNode_GetDirectory_ReturnsRoot()
{
// Arrange
var root = new DirectoryNode("/");
// Act
var result = root.GetDirectory("/");
// Assert
Assert.Same(root, result);
}
[Fact]
public void DirectoryNode_GetDirectory_ReturnsNull_IfDirectoryDoesNotExist()
{
// Arrange
var root = new DirectoryNode("/");
// Act
var result = root.GetDirectory("/does-not/exist");
// Assert
Assert.Null(result);
}
[Fact]
public void DirectoryNode_AddFile_CanAddToRoot()
{
// Arrange
var root = new DirectoryNode("/");
var projectItem = new TestRazorProjectItem("/File.txt");
// Act
root.AddFile(new FileNode("/File.txt", projectItem));
// Assert
Assert.Empty(root.Directories);
Assert.Collection(
root.Files,
file => Assert.Same(projectItem, file.ProjectItem));
}
[Fact]
public void DirectoryNode_AddFile_CanAddToNestedDirectory()
{
// Arrange
var root = new DirectoryNode("/");
var projectItem = new TestRazorProjectItem("/Pages/Shared/_Layout.cshtml");
// Act
root.AddFile(new FileNode("/Pages/Shared/_Layout.cshtml", projectItem));
// Assert
Assert.Collection(
root.Directories,
directory =>
{
Assert.Equal("/Pages/", directory.Path);
Assert.Empty(directory.Files);
Assert.Collection(
directory.Directories,
subDirectory =>
{
Assert.Equal("/Pages/Shared/", subDirectory.Path);
Assert.Collection(
subDirectory.Files,
file => Assert.Same(projectItem, file.ProjectItem));
});
});
}
[Fact]
public void DirectoryNode_AddMultipleFiles_ToSameDirectory()
{
// Arrange
var root = new DirectoryNode("/");
var projectItem1 = new TestRazorProjectItem("/Pages/Shared/_Layout.cshtml");
var projectItem2 = new TestRazorProjectItem("/Pages/Shared/_Partial.cshtml");
// Act
root.AddFile(new FileNode(projectItem1.FilePath, projectItem1));
root.AddFile(new FileNode(projectItem2.FilePath, projectItem2));
// Assert
Assert.Collection(
root.Directories,
directory =>
{
Assert.Equal("/Pages/", directory.Path);
Assert.Empty(directory.Files);
Assert.Collection(
directory.Directories,
subDirectory =>
{
Assert.Equal("/Pages/Shared/", subDirectory.Path);
Assert.Collection(
subDirectory.Files,
file => Assert.Same(projectItem1, file.ProjectItem),
file => Assert.Same(projectItem2, file.ProjectItem));
});
});
}
[Fact]
public void DirectoryNode_AddsFiles_ToSiblingDirectories()
{
// Arrange
var root = new DirectoryNode("/");
var projectItem1 = new TestRazorProjectItem("/Pages/Products/Index.cshtml");
var projectItem2 = new TestRazorProjectItem("/Pages/Accounts/About.cshtml");
// Act
root.AddFile(new FileNode(projectItem1.FilePath, projectItem1));
root.AddFile(new FileNode(projectItem2.FilePath, projectItem2));
// Assert
Assert.Collection(
root.Directories,
directory =>
{
Assert.Equal("/Pages/", directory.Path);
Assert.Empty(directory.Files);
Assert.Collection(
directory.Directories,
subDirectory =>
{
Assert.Equal("/Pages/Products/", subDirectory.Path);
Assert.Collection(
subDirectory.Files,
file => Assert.Same(projectItem1, file.ProjectItem));
},
subDirectory =>
{
Assert.Equal("/Pages/Accounts/", subDirectory.Path);
Assert.Collection(
subDirectory.Files,
file => Assert.Same(projectItem2, file.ProjectItem));
});
});
}
[Fact]
public void DirectoryNode_GetItem_ReturnsItemAtRoot()
{
// Arrange
var root = new DirectoryNode("/");
var projectItem = new TestRazorProjectItem("/_ViewStart.cshtml");
root.AddFile(new FileNode(projectItem.FilePath, projectItem));
// Act
var result = root.GetItem(projectItem.FilePath);
// Assert
Assert.Same(result, projectItem);
}
[Fact]
public void DirectoryNode_GetItem_WhenFilePathSharesSameNameAsSiblingDirectory()
{
// Arrange
var root = new DirectoryNode("/");
var projectItem1 = new TestRazorProjectItem("/Home.cshtml");
var projectItem2 = new TestRazorProjectItem("/Home/About.cshtml");
root.AddFile(new FileNode(projectItem1.FilePath, projectItem1));
root.AddFile(new FileNode(projectItem2.FilePath, projectItem2));
// Act
var result = root.GetItem(projectItem1.FilePath);
// Assert
Assert.Same(result, projectItem1);
}
[Fact]
public void DirectoryNode_GetItem_WhenFileNameIsSameAsDirectoryName()
{
// Arrange
var projectItem1 = new TestRazorProjectItem("/Home/Home.cshtml");
var projectItem2 = new TestRazorProjectItem("/Home/About.cshtml");
var root = new DirectoryNode("/")
{
Directories =
{
new DirectoryNode("/Home/")
{
Files =
{
new FileNode(projectItem1.FilePath, projectItem1),
new FileNode(projectItem2.FilePath, projectItem2),
}
}
},
};
// Act
var result = root.GetItem(projectItem1.FilePath);
// Assert
Assert.Same(result, projectItem1);
}
}
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