Premiere commit - Omika

2026-10-23 18:46:50 +02:00
commit 8ea76c1b24
2155 changed files with 984301 additions and 0 deletions
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+using Omika.App.Diagnostics;
+using Omika.App.Navigation;
+using Omika.Core.Observability;
+using Omika.Core.Observability.Diagnostic;
+
+namespace Omika.Tests.Observability;
+
+/// <summary>
+/// T18 (§73/§74/§75/§77) : une navigation logique génère EXACTEMENT un ScreenView ;
+/// le retour = nouvelle vue ; le refresh/même page ne multiplie pas les événements ;
+/// l'écran initial est émis une fois. L'émission est centralisée dans
+/// <see cref="ScreenUsageTelemetry"/> (jamais par ViewModel).
+/// </summary>
+public class ScreenUsageTelemetryTests
+{
+    [Fact]
+    public void TrackInitialScreen_EmitsSingleScreenView_ForCurrentPage()
+    {
+        var navigation = new NavigationService();
+        var capturing = new CapturingTelemetry();
+        var tracker = new ScreenUsageTelemetry(navigation, capturing, null);
+
+        tracker.TrackInitialScreen();
+
+        OmikaEvent evt = Assert.Single(capturing.Events);
+        Assert.Equal(TelemetryEventCodes.MobileScreenView, evt.EventCode);
+        Assert.Equal(DiagnosticScreenCodes.Agenda, evt.ScreenCode);
+        Assert.Null(evt.FeatureCode);
+    }
+
+    [Fact]
+    public void Navigate_EmitsExactlyOneScreenView_ForTarget()
+    {
+        var navigation = new NavigationService();
+        var capturing = new CapturingTelemetry();
+        var tracker = new ScreenUsageTelemetry(navigation, capturing, null);
+        tracker.TrackInitialScreen();
+        capturing.Clear();
+
+        navigation.NavigateTo(AppPage.SiteDetail);
+
+        OmikaEvent evt = Assert.Single(capturing.Events);
+        Assert.Equal(TelemetryEventCodes.MobileScreenView, evt.EventCode);
+        Assert.Equal(DiagnosticScreenCodes.SiteDetail, evt.ScreenCode);
+    }
+
+    [Fact]
+    public void Return_IsANewScreenView()
+    {
+        var navigation = new NavigationService();
+        var capturing = new CapturingTelemetry();
+        var tracker = new ScreenUsageTelemetry(navigation, capturing, null);
+        tracker.TrackInitialScreen(); // AGENDA (1)
+        navigation.NavigateTo(AppPage.SiteDetail); // SITE_DETAIL (2)
+        navigation.GoBack(); // AGENDA (3)
+
+        Assert.Equal(3, capturing.Events.Count);
+        Assert.Equal(DiagnosticScreenCodes.Agenda, capturing.Events[0].ScreenCode);
+        Assert.Equal(DiagnosticScreenCodes.SiteDetail, capturing.Events[1].ScreenCode);
+        Assert.Equal(DiagnosticScreenCodes.Agenda, capturing.Events[2].ScreenCode);
+    }
+
+    [Fact]
+    public void Refresh_OrSamePage_DoesNotEmitAnotherScreenView()
+    {
+        var navigation = new NavigationService();
+        var capturing = new CapturingTelemetry();
+        var tracker = new ScreenUsageTelemetry(navigation, capturing, null);
+        tracker.TrackInitialScreen(); // AGENDA (1)
+        navigation.NavigateTo(AppPage.SiteDetail); // SITE_DETAIL (2)
+
+        // Même page (paramètre identique ou différent) : NavigationService ne lève
+        // pas PageChanged (seulement ParameterChanged) → aucun ScreenView.
+        navigation.NavigateTo(AppPage.SiteDetail);
+        navigation.NavigateTo(AppPage.SiteDetail, new object());
+
+        Assert.Equal(2, capturing.Events.Count);
+    }
+
+    [Fact]
+    public void Navigate_SetsCurrentScreenOnDiagnosticContext()
+    {
+        var navigation = new NavigationService();
+        var capturing = new CapturingTelemetry();
+        var context = new DiagnosticContext(new DiagnosticSession(), new DeviceInfoSnapshot());
+        var tracker = new ScreenUsageTelemetry(navigation, capturing, context);
+        tracker.TrackInitialScreen();
+
+        navigation.NavigateTo(AppPage.InterventionDetail);
+
+        Assert.Equal(DiagnosticScreenCodes.InterventionDetail, context.ScreenCode);
+    }
+
+    [Fact]
+    public void UnknownPage_DoesNotEmit()
+    {
+        var navigation = new NavigationService();
+        var capturing = new CapturingTelemetry();
+        var tracker = new ScreenUsageTelemetry(navigation, capturing, null);
+
+        // Aucune page inconnue n'est navigable, mais le tracker reste fail-open :
+        // la navigation vers une page non résolue n'émet rien.
+        tracker.TrackInitialScreen();
+        capturing.Clear();
+
+        navigation.NavigateTo(AppPage.Parametres);
+        Assert.Single(capturing.Events);
+        Assert.Equal(DiagnosticScreenCodes.Settings, capturing.Events[0].ScreenCode);
+    }
+
+    private sealed class CapturingTelemetry : IOmikaTelemetry
+    {
+        public List<OmikaEvent> Events { get; } = [];
+
+        public void Track(TelemetryEvent telemetryEvent) => Events.Add(telemetryEvent);
+
+        public void Log(DiagnosticEvent diagnosticEvent) => Events.Add(diagnosticEvent);
+
+        public void Clear() => Events.Clear();
+    }
+}