Premiere commit - Omika

tests/Omika.Tests/Mobile/Local/PlatformDeviceIdProviderTests.cs

@@ -0,0 +1,51 @@
+using Omika.App.Services;
+
+namespace Omika.Tests.Mobile.Local;
+
+/// <summary>
+/// Tests du PlatformDeviceIdProvider : génération d'un identifiant unique et
+/// stable entre les lancements. Ne contient aucune donnée personnelle.
+/// </summary>
+public class PlatformDeviceIdProviderTests
+{
+    [Fact]
+    public async Task GetDeviceId_RetourneIdentifiantNonVide()
+    {
+        // Arrange
+        var provider = new PlatformDeviceIdProvider();
+
+        // Act
+        string deviceId = await provider.GetDeviceIdAsync();
+
+        // Assert
+        Assert.False(string.IsNullOrWhiteSpace(deviceId));
+    }
+
+    [Fact]
+    public async Task GetDeviceId_StableEntreAppels()
+    {
+        // Arrange
+        var provider = new PlatformDeviceIdProvider();
+
+        // Act
+        string first = await provider.GetDeviceIdAsync();
+        string second = await provider.GetDeviceIdAsync();
+
+        // Assert : l'identifiant est stable.
+        Assert.Equal(first, second);
+    }
+
+    [Fact]
+    public async Task GetDeviceId_FormatGuid()
+    {
+        // Arrange
+        var provider = new PlatformDeviceIdProvider();
+
+        // Act
+        string deviceId = await provider.GetDeviceIdAsync();
+
+        // Assert : l'identifiant est un GUID (32 hex sans tirets).
+        Assert.Equal(32, deviceId.Length);
+        Assert.True(Guid.TryParseExact(deviceId, "N", out _));
+    }
+}