Add auto-model mock API scenario (#2684)

Author: charisk

extensions/ql-vscode/src/variant-analysis/gh-api/mocks/gh-api-request.ts

@@ -91,11 +91,14 @@ interface CodeSearchRequest {
 interface AutoModelRequest {
   request: {
     kind: RequestKind.AutoModel;
+    body?: {
+      candidates: string;
+    };
   };
   response: {
     status: number;
     body?: {
-      candidates: string;
+      models: string;
     };
     message?: string;
   };

extensions/ql-vscode/src/variant-analysis/gh-api/mocks/request-handlers.ts

@@ -231,8 +231,8 @@ function createAutoModelRequestHandler(
   // During automodeling there can be multiple API requests for each batch
   // of candidates we want to model. We need to return different responses for each request,
   // so keep an index of the request and return the appropriate response.
-  return rest.get(
-    `${baseUrl}/code-scanning/codeql/auto-model`,
+  return rest.post(
+    `${baseUrl}/repos/github/codeql/code-scanning/codeql/auto-model`,
     (_req, res, ctx) => {
       const request = autoModelRequests[requestIndex];
 

extensions/ql-vscode/src/variant-analysis/gh-api/mocks/scenarios/auto-model-success/0-autoModel.json

@@ -0,0 +1,11 @@
+{
+  "request": {
+    "kind": "autoModel"
+  },
+  "response": {
+    "status": 200,
+    "body": {
+      "models": "extensions:\n- addsTo: {extensible: sinkModel, pack: codeql/java-all}\n  data:\n  - [javax.servlet.http, HttpServletResponse, true, sendRedirect, (String), '', 'Argument[this]',\n    request-forgery, ai-generated]\n  - [javax.servlet.http, HttpServletResponse, true, sendRedirect, (String), '', 'Argument[0]',\n    request-forgery, ai-generated]\n"
+    }
+  }
+}

extensions/ql-vscode/src/variant-analysis/gh-api/mocks/scenarios/auto-model-success/1-autoModel.json

@@ -0,0 +1,11 @@
+{
+  "request": {
+    "kind": "autoModel"
+  },
+  "response": {
+    "status": 200,
+    "body": {
+      "models": "extensions:\n- addsTo: {extensible: sinkModel, pack: codeql/java-all}\n  data:\n  - [javax.servlet, MultipartConfigElement, true, MultipartConfigElement, (String),\n    '', 'Argument[0]', request-forgery, ai-generated]\n"
+    }
+  }
+}

extensions/ql-vscode/src/variant-analysis/gh-api/mocks/scenarios/auto-model-success/README.md

@@ -0,0 +1 @@
+This scenario is best when modeling the `javax.servlet-api` package.