Restructure solution layout by module

src/Notify/__Tests/StellaOps.Notify.Connectors.Email.Tests/EmailChannelHealthProviderTests.cs

@@ -0,0 +1,100 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using StellaOps.Notify.Engine;
+using StellaOps.Notify.Models;
+using Xunit;
+
+namespace StellaOps.Notify.Connectors.Email.Tests;
+
+public sealed class EmailChannelHealthProviderTests
+{
+    private static readonly EmailChannelHealthProvider Provider = new();
+
+    [Fact]
+    public async Task CheckAsync_ReturnsHealthy()
+    {
+        var channel = CreateChannel(enabled: true, target: "ops@example.com");
+
+        var context = new ChannelHealthContext(
+            channel.TenantId,
+            channel,
+            channel.Config.Target!,
+            new DateTimeOffset(2025, 10, 20, 15, 0, 0, TimeSpan.Zero),
+            "trace-email-001");
+
+        var result = await Provider.CheckAsync(context, CancellationToken.None);
+
+        Assert.Equal(ChannelHealthStatus.Healthy, result.Status);
+        Assert.Equal("true", result.Metadata["email.channel.enabled"]);
+        Assert.Equal("true", result.Metadata["email.validation.targetPresent"]);
+        Assert.Equal("ops@example.com", result.Metadata["email.target"]);
+    }
+
+    [Fact]
+    public async Task CheckAsync_ReturnsDegradedWhenDisabled()
+    {
+        var channel = CreateChannel(enabled: false, target: "ops@example.com");
+
+        var context = new ChannelHealthContext(
+            channel.TenantId,
+            channel,
+            channel.Config.Target!,
+            DateTimeOffset.UtcNow,
+            "trace-email-002");
+
+        var result = await Provider.CheckAsync(context, CancellationToken.None);
+
+        Assert.Equal(ChannelHealthStatus.Degraded, result.Status);
+        Assert.Equal("false", result.Metadata["email.channel.enabled"]);
+    }
+
+    [Fact]
+    public async Task CheckAsync_ReturnsUnhealthyWhenTargetMissing()
+    {
+        var channel = NotifyChannel.Create(
+            channelId: "channel-email-ops",
+            tenantId: "tenant-sec",
+            name: "email:ops",
+            type: NotifyChannelType.Email,
+            config: NotifyChannelConfig.Create(
+                secretRef: "ref://notify/channels/email/ops",
+                target: null,
+                properties: new Dictionary<string, string>
+                {
+                    ["smtpHost"] = "smtp.ops.example.com"
+                }),
+            enabled: true);
+
+        var context = new ChannelHealthContext(
+            channel.TenantId,
+            channel,
+            channel.Name,
+            DateTimeOffset.UtcNow,
+            "trace-email-003");
+
+        var result = await Provider.CheckAsync(context, CancellationToken.None);
+
+        Assert.Equal(ChannelHealthStatus.Unhealthy, result.Status);
+        Assert.Equal("false", result.Metadata["email.validation.targetPresent"]);
+    }
+
+    private static NotifyChannel CreateChannel(bool enabled, string? target)
+    {
+        return NotifyChannel.Create(
+            channelId: "channel-email-ops",
+            tenantId: "tenant-sec",
+            name: "email:ops",
+            type: NotifyChannelType.Email,
+            config: NotifyChannelConfig.Create(
+                secretRef: "ref://notify/channels/email/ops",
+                target: target,
+                properties: new Dictionary<string, string>
+                {
+                    ["smtpHost"] = "smtp.ops.example.com",
+                    ["password"] = "super-secret"
+                }),
+            enabled: enabled);
+    }
+}