feat(sprint-3): apply Survey Teal field UI

tests/FieldLogger.Tests/Sprint3UiContractTests.cs

@@ -0,0 +1,130 @@
+using System.Text.RegularExpressions;
+using System.Xml.Linq;
+using Xunit;
+
+namespace FieldLogger.Tests;
+
+/// <summary>
+/// Headless guardrails for the Sprint 3 MAUI screen integration. These deliberately inspect
+/// XAML source so the QA gate can verify token use and accessibility basics without a MAUI
+/// simulator or device workload.
+/// </summary>
+public sealed class Sprint3UiContractTests
+{
+    private static readonly string[] MigratedScreens =
+    [
+        "FieldLogger/Views/HomePage.xaml",
+        "FieldLogger/Views/JobsPage.xaml",
+        "FieldLogger/Views/JobDetailPage.xaml",
+        "FieldLogger/Views/MapPage.xaml",
+    ];
+
+    [Fact]
+    public void Migrated_screens_use_only_semantic_color_resources()
+    {
+        var hardCodedColor = new Regex(@"#[0-9a-fA-F]{3,8}\b", RegexOptions.CultureInvariant);
+        foreach (var path in MigratedScreens)
+        {
+            var text = File.ReadAllText(FromRoot(path));
+            Assert.False(hardCodedColor.IsMatch(text), $"Page-level color literal found in {path}");
+            Assert.DoesNotContain("TextColor=\"Gray\"", text, StringComparison.OrdinalIgnoreCase);
+            Assert.DoesNotContain("DodgerBlue", text, StringComparison.OrdinalIgnoreCase);
+            Assert.DoesNotContain("IndianRed", text, StringComparison.OrdinalIgnoreCase);
+        }
+    }
+
+    [Fact]
+    public void Every_referenced_Survey_Teal_token_exists_in_generated_resources()
+    {
+        var resourceText = string.Concat(
+            File.ReadAllText(FromRoot("FieldLogger/Resources/Styles/GeneratedTokens.xaml")),
+            File.ReadAllText(FromRoot("FieldLogger/Resources/Styles/Styles.xaml")));
+        var defined = Regex.Matches(resourceText, "x:Key=\\\"(?<key>Ul[^\\\"]+)\\\"")
+            .Select(match => match.Groups["key"].Value)
+            .ToHashSet(StringComparer.Ordinal);
+        var resourceReference = new Regex(@"\{(?:Static|Dynamic)Resource (?<key>Ul[^}\s]+)\}");
+
+        foreach (var path in MigratedScreens.Append("FieldLogger/AppShell.xaml"))
+        {
+            foreach (Match match in resourceReference.Matches(File.ReadAllText(FromRoot(path))))
+            {
+                var key = match.Groups["key"].Value;
+                Assert.Contains(key, defined);
+            }
+        }
+    }
+
+    [Fact]
+    public void App_loads_generated_tokens_before_shared_component_styles()
+    {
+        var app = File.ReadAllText(FromRoot("FieldLogger/App.xaml"));
+        var generatedIndex = app.IndexOf("GeneratedTokens.xaml", StringComparison.Ordinal);
+        var stylesIndex = app.IndexOf("Styles.xaml", StringComparison.Ordinal);
+        Assert.True(generatedIndex >= 0, "App.xaml must merge GeneratedTokens.xaml.");
+        Assert.True(stylesIndex > generatedIndex, "Generated tokens must load before component styles.");
+    }
+
+    [Fact]
+    public void Migrated_screens_consume_shared_component_styles()
+    {
+        var migrated = string.Concat(MigratedScreens.Select(path => File.ReadAllText(FromRoot(path))));
+        Assert.Contains("UlCard", migrated, StringComparison.Ordinal);
+        Assert.Contains("UlJobRow", migrated, StringComparison.Ordinal);
+        Assert.Contains("UlStatusBadge", migrated, StringComparison.Ordinal);
+        Assert.Contains("UlButtonSecondary", migrated, StringComparison.Ordinal);
+    }
+
+    [Fact]
+    public void Every_page_button_declares_at_least_the_minimum_touch_target()
+    {
+        var accepted = new[]
+        {
+            "{StaticResource UlTouchMinimum}",
+            "{StaticResource UlTouchComfortable}",
+            "{StaticResource UlTouchPrimary}",
+        };
+
+        foreach (var path in MigratedScreens)
+        {
+            var document = XDocument.Load(FromRoot(path));
+            foreach (var button in document.Descendants().Where(e => e.Name.LocalName == "Button"))
+            {
+                var target = button.Attribute("MinimumHeightRequest")?.Value;
+                Assert.Contains(target, accepted);
+            }
+        }
+    }
+
+    [Fact]
+    public void Production_shell_does_not_expose_Debug_as_a_primary_tab()
+    {
+        var shell = File.ReadAllText(FromRoot("FieldLogger/AppShell.xaml"));
+        Assert.DoesNotContain("Title=\"Debug\"", shell, StringComparison.Ordinal);
+        Assert.DoesNotContain("views:DebugPage", shell, StringComparison.Ordinal);
+    }
+
+    [Fact]
+    public void Home_explains_real_receiver_capture_without_inventing_an_app_command()
+    {
+        var home = File.ReadAllText(FromRoot("FieldLogger/Views/HomePage.xaml"));
+        var state = File.ReadAllText(FromRoot("FieldLogger/ViewModels/HomeViewModel.cs"));
+        Assert.Contains("CAPTURE FROM RECEIVER", home, StringComparison.Ordinal);
+        Assert.Contains("Press LOG on the locating receiver", state, StringComparison.Ordinal);
+        Assert.DoesNotContain("CaptureCommand", home, StringComparison.Ordinal);
+    }
+
+    private static string FromRoot(string relativePath) => Path.Combine(FindRepositoryRoot(), relativePath);
+
+    private static string FindRepositoryRoot()
+    {
+        for (var directory = new DirectoryInfo(AppContext.BaseDirectory);
+             directory is not null;
+             directory = directory.Parent)
+        {
+            if (File.Exists(Path.Combine(directory.FullName, "FieldLogger.sln")))
+                return directory.FullName;
+        }
+
+        throw new DirectoryNotFoundException("Could not find the FieldLogger repository root.");
+    }
+}