Add Custom Operation Test in azure/core/basic (#625)

.changeset/chilly-dolphins-wash.md

@@ -0,0 +1,5 @@
+---
+"@azure-tools/cadl-ranch-specs": patch
+---
+
+Add ResourceCollectionAction operation and mockapi in azure/core/basic.

packages/cadl-ranch-specs/cadl-ranch-summary.md

@@ -285,6 +285,34 @@ Expected response body:
 }
 ```
 
+### Azure_Core_Basic_exportAllUsers
+
+- Endpoint: `post /azure/core/basic`
+
+Should generate a model named User.
+
+Expected query parameter: format=json
+Expected query parameter: api-version=2022-12-01-preview
+
+Expected response body:
+
+```json
+{
+  "users": [
+    {
+      "id": 1,
+      "name": "Madge",
+      "etag": "11bdc430-65e8-45ad-81d9-8ffa60d55b59"
+    },
+    {
+      "id": 2,
+      "name": "John",
+      "etag": "22bdc430-65e8-45ad-81d9-8ffa60d55b59"
+    }
+  ]
+}
+```
+
 ### Azure_Core_Basic_get
 
 - Endpoint: `get /azure/core/basic`

packages/cadl-ranch-specs/http/azure/core/basic/main.tsp

@@ -1,11 +1,13 @@
-import "@azure-tools/typespec-azure-core";
 import "@azure-tools/cadl-ranch-expect";
+import "@azure-tools/typespec-azure-core";
+import "@azure-tools/typespec-client-generator-core";
 import "@typespec/http";
 import "@typespec/rest";
 import "@typespec/versioning";
 
 using Azure.Core;
 using global.Azure.Core.Traits;
+using global.Azure.Core.Foundations;
 using TypeSpec.Http;
 using TypeSpec.Rest;
 using TypeSpec.Versioning;
@@ -214,3 +216,45 @@ op delete is ResourceOperations.ResourceDelete<User>;
   ```
   """)
 op export is ResourceOperations.ResourceAction<User, UserExportParams, User>;
+
+model UserList {
+  users: User[];
+}
+
+@scenario
+@doc("Exports all users")
+@summary("Exports all users.")
+@scenarioDoc("""
+  Should generate a model named User.
+  
+  Expected query parameter: format=json
+  Expected query parameter: api-version=2022-12-01-preview
+  
+  Expected response body:
+  ```json
+  {
+    "users":[
+      {
+        "id": 1,
+        "name": "Madge",
+        "etag": "11bdc430-65e8-45ad-81d9-8ffa60d55b59"
+      },
+      {
+        "id": 2,
+        "name": "John",
+        "etag": "22bdc430-65e8-45ad-81d9-8ffa60d55b59"
+      }
+    ]
+  }
+  ```
+  """)
+@collectionAction(User, "exportallusers")
+@post
+op exportAllUsers is ResourceOperations.ResourceCollectionAction<
+  User,
+  UserExportParams,
+  UserList,
+  {
+    apiVersion: "2022-12-01-preview";
+  }
+>;

packages/cadl-ranch-specs/http/azure/core/basic/mockapi.ts

@@ -3,6 +3,7 @@ import { ScenarioMockApi } from "@azure-tools/cadl-ranch-api";
 
 export const Scenarios: Record<string, ScenarioMockApi> = {};
 const validUser = { id: 1, name: "Madge", etag: "11bdc430-65e8-45ad-81d9-8ffa60d55b59" };
+const validUser2 = { id: 2, name: "John", etag: "22bdc430-65e8-45ad-81d9-8ffa60d55b59" };
 Scenarios.Azure_Core_Basic_createOrUpdate = passOnSuccess(
   mockapi.patch("/azure/core/basic/users/:id", (req) => {
     if (req.params.id !== "1") {
@@ -94,3 +95,12 @@ Scenarios.Azure_Core_Basic_export = passOnSuccess(
     return { status: 200, body: json(validUser) };
   }),
 );
+
+const expectBody = { users: [validUser, validUser2] };
+Scenarios.Azure_Core_Basic_exportAllUsers = passOnSuccess(
+  mockapi.post("/azure/core/basic/users:exportallusers", (req) => {
+    req.expect.containsQueryParam("api-version", "2022-12-01-preview");
+    req.expect.containsQueryParam("format", "json");
+    return { status: 200, body: json(expectBody) };
+  }),
+);