diff --git a/src/utils/__tests__/channels/channels.spec.ts b/src/utils/__tests__/channels/channels.spec.ts
new file mode 100644
index 00000000..685cac1a
--- /dev/null
+++ b/src/utils/__tests__/channels/channels.spec.ts
@@ -0,0 +1,83 @@
+import type { ContentCollectionKey } from 'astro:content';
+import { expect, describe, it, vi } from 'vitest';
+import { mockCommands, mockEvents, mockQueries, mockServices, mockChannels } from './mocks';
+import { getChannels } from '@utils/channels';
+
+vi.mock('astro:content', async (importOriginal) => {
+  return {
+    ...(await importOriginal<typeof import('astro:content')>()),
+    // this will only affect "foo" outside of the original module
+    getCollection: (key: ContentCollectionKey) => {
+      switch (key) {
+        case 'services':
+          return Promise.resolve(mockServices);
+        case 'events':
+          return Promise.resolve(mockEvents);
+        case 'commands':
+          return Promise.resolve(mockCommands);
+        case 'channels':
+          return Promise.resolve(mockChannels);
+        case 'queries':
+          return Promise.resolve(mockQueries);
+      }
+    },
+  };
+});
+
+describe('channels', () => {
+  describe('getChannels', () => {
+    it('returns an array of channels', async () => {
+      const channels = await getChannels();
+
+      expect(channels).toEqual(
+        expect.arrayContaining([
+          expect.objectContaining({
+            collection: 'channels',
+            data: expect.objectContaining({
+              id: 'orders.{env}.events',
+              version: '1.0.0',
+            }),
+          }),
+          expect.objectContaining({
+            collection: 'channels',
+            data: expect.objectContaining({
+              id: 'inventory.{env}.events',
+              version: '1.0.0',
+            }),
+          }),
+        ])
+      );
+    });
+
+    it('should returns an array of channels with messages', async () => {
+      const channels = await getChannels();
+
+      expect(channels).toEqual(
+        expect.arrayContaining([
+          /** OrderService */
+          expect.objectContaining({
+            id: 'orders.{env}.events',
+            slug: 'orders.{env}.events',
+            collection: 'channels',
+            data: expect.objectContaining({
+              messages: [
+                {
+                  id: 'OrderCreatedEvent',
+                  name: 'Order Created',
+                  version: '0.0.1',
+                  collection: 'events',
+                },
+                {
+                  id: 'GetOrder',
+                  name: 'Get Order',
+                  version: '0.0.1',
+                  collection: 'queries',
+                },
+              ],
+            }),
+          }),
+        ])
+      );
+    });
+  });
+});
diff --git a/src/utils/__tests__/channels/mocks.ts b/src/utils/__tests__/channels/mocks.ts
new file mode 100644
index 00000000..fe06b68c
--- /dev/null
+++ b/src/utils/__tests__/channels/mocks.ts
@@ -0,0 +1,165 @@
+export const mockServices = [
+  {
+    id: 'services/Order/OrderService/index.mdx',
+    slug: 'services/Order/OrderService',
+    collection: 'services',
+    data: {
+      id: 'OrderService',
+      version: '1.0.0',
+      sends: [
+        {
+          id: 'OrderCreatedEvent',
+          name: 'Order Created',
+          version: '0.0.1',
+        },
+      ],
+      receives: [
+        {
+          id: 'PaymentProcessed',
+          name: 'Payment Processed',
+          version: '0.0.1',
+        },
+      ],
+    },
+  },
+  {
+    id: 'services/Inventory/InventoryService/index.mdx',
+    slug: 'services/Inventory/InventoryService',
+    collection: 'services',
+    data: {
+      id: 'InventoryService',
+      version: '1.0.0',
+      receives: [
+        {
+          id: 'OrderCreatedEvent',
+          name: 'Order Created',
+          version: '^1.3.0',
+        },
+      ],
+      sends: [
+        {
+          id: 'InventoryAdjusted',
+          version: '~2',
+        },
+      ],
+    },
+  },
+  {
+    id: 'services/Payment/PaymentService/index.mdx',
+    slug: 'services/Payment/PaymentService',
+    collection: 'services',
+    data: {
+      id: 'PaymentService',
+      version: '1.0.0',
+      receives: [
+        {
+          id: 'OrderCreatedEvent',
+        },
+        {
+          id: 'OrderDeletedEvent',
+        },
+      ],
+      sends: [
+        {
+          id: 'PaymentPaid',
+        },
+        {
+          id: 'PaymentFailed',
+          version: 'latest',
+        },
+        {
+          id: 'EmailVerified',
+        },
+      ],
+    },
+  },
+  {
+    id: 'services/Notifications/NotificationsService/index.mdx',
+    slug: 'services/Notifications/NotificationsService',
+    collection: 'services',
+    data: {
+      id: 'NotificationsService',
+      version: '1.0.0',
+      receives: [
+        {
+          id: 'OrderCreatedEvent',
+        },
+      ],
+      sends: [
+        {
+          id: 'OrderCreatedEvent',
+        },
+      ],
+    },
+  },
+];
+
+export const mockEvents = [
+  {
+    id: 'OrderCreatedEvent',
+    slug: 'OrderCreatedEvent',
+    collection: 'events',
+    data: {
+      id: 'OrderCreatedEvent',
+      version: '0.0.1',
+      name: 'Order Created',
+      channels: [
+        {
+          id: 'orders.{env}.events',
+          version: '1.0.0',
+        },
+      ],
+    },
+  },
+];
+
+export const mockCommands = [
+  {
+    id: 'PaymentProcessed',
+    slug: 'PaymentProcessed',
+    collection: 'commands',
+    data: {
+      id: 'PaymentProcessed',
+      version: '0.0.1',
+    },
+  },
+];
+export const mockQueries = [
+  {
+    id: 'GetOrder',
+    slug: 'GetOrder',
+    collection: 'queries',
+    data: {
+      id: 'GetOrder',
+      version: '0.0.1',
+      name: 'Get Order',
+      channels: [
+        {
+          id: 'orders.{env}.events',
+          version: '1.0.0',
+        },
+      ],
+    },
+  },
+];
+
+export const mockChannels = [
+  {
+    id: 'orders.{env}.events',
+    slug: 'orders.{env}.events',
+    collection: 'channels',
+    data: {
+      id: 'orders.{env}.events',
+      version: '1.0.0',
+    },
+  },
+  {
+    id: 'inventory.{env}.events',
+    slug: 'inventory.{env}.events',
+    collection: 'channels',
+    data: {
+      id: 'inventory.{env}.events',
+      version: '1.0.0',
+    },
+  },
+];