53 lines
2.4 KiB
C#
53 lines
2.4 KiB
C#
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using System.Runtime.CompilerServices;
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using System.Text.RegularExpressions;
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namespace YKanBan.Tests.Conventions;
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/// <summary>
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/// Source-level guards for code-behind conventions (plan §8.1): inside control,
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/// window and application code-behind a bare <c>Resources.Key</c> resolves to
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/// the <c>StyledElement.Resources</c> instance property, so the generated class
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/// must be written as <c>YKanBan.Resources</c> (or through a using alias).
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/// </summary>
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[TestClass]
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public partial class CodeBehindConventionTests {
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/// <summary>A <c>Resources.</c> member access not preceded by a qualifier or identifier character.</summary>
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[GeneratedRegex(@"(?<![\w.])Resources\.")]
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private static partial Regex BareResourcesAccess();
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/// <summary>
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/// Locates the application project's source folder from this file's compile-time path.
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/// </summary>
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/// <param name="thisFile">Filled in by the compiler.</param>
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/// <returns>The YKanBan project folder.</returns>
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private static string ApplicationSourceFolder([CallerFilePath] string thisFile = "") {
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DirectoryInfo? directory = new FileInfo(thisFile).Directory;
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while (directory is not null && !File.Exists(Path.Combine(directory.FullName, "YKanBan", "YKanBan.csproj"))) {
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directory = directory.Parent;
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}
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Assert.IsNotNull(directory, "Repository root not found from the test source path.");
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return Path.Combine(directory.FullName, "YKanBan");
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}
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[TestMethod]
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public void CodeBehindNeverUsesBareResourcesClassName() {
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string root = ApplicationSourceFolder();
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string[] files = Directory.GetFiles(root, "*.axaml.cs", SearchOption.AllDirectories)
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.Where(path => !path.Split(Path.DirectorySeparatorChar).Any(part => part is "obj" or "bin"))
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.ToArray();
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Assert.IsTrue(files.Length > 0, "No code-behind files found.");
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var offenders = new List<string>();
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foreach (string file in files) {
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string[] lines = File.ReadAllLines(file);
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for (int index = 0; index < lines.Length; index++) {
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if (BareResourcesAccess().IsMatch(lines[index])) {
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offenders.Add($"{Path.GetRelativePath(root, file)}:{index + 1}: {lines[index].Trim()}");
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}
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}
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}
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Assert.AreEqual(0, offenders.Count, "Use YKanBan.Resources in code-behind:" + Environment.NewLine + string.Join(Environment.NewLine, offenders));
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}
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}
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