Update ToolsTab tests to require JSON fields and adjust default value generation for optional types

client/src/components/__tests__/ToolsTab.test.tsx

@@ -644,6 +644,7 @@ describe("ToolsTab", () => {
       description: "Tool with JSON parameters",
       inputSchema: {
         type: "object" as const,
+        required: ["config", "data"], // Make them required so they render as form fields
         properties: {
           config: {
             type: "object" as const,
@@ -693,15 +694,16 @@ describe("ToolsTab", () => {
         callTool: mockCallTool,
       });
 
-      // Find JSON editor textareas
+      // Find JSON editor textareas (should have one for each required field: config and data)
       const textareas = screen.getAllByRole("textbox");
+      expect(textareas.length).toBe(2);
 
-      // Enter valid JSON in the first textarea
+      // Enter valid JSON in each textarea
       fireEvent.change(textareas[0], {
-        target: {
-          value:
-            '{ "config": { "setting": "value" }, "data": ["item1", "item2"] }',
-        },
+        target: { value: '{ "setting": "value" }' },
+      });
+      fireEvent.change(textareas[1], {
+        target: { value: '["item1", "item2"]' },
       });
 
       // Wait for debounced updates
@@ -799,9 +801,16 @@ describe("ToolsTab", () => {
       });
 
       const textareas = screen.getAllByRole("textbox");
+      expect(textareas.length).toBe(2);
 
-      // Clear the textarea (empty JSON should be valid)
-      fireEvent.change(textareas[0], { target: { value: "" } });
+      // Clear both textareas (empty JSON should be valid)
+      fireEvent.change(textareas[0], { target: { value: "{}" } });
+      fireEvent.change(textareas[1], { target: { value: "[]" } });
+
+      // Wait for debounced updates
+      await act(async () => {
+        await new Promise((resolve) => setTimeout(resolve, 350));
+      });
 
       // Try to run the tool
       const runButton = screen.getByRole("button", { name: /run tool/i });

client/src/utils/__tests__/schemaUtils.test.ts

@@ -39,12 +39,12 @@ describe("generateDefaultValue", () => {
     ).toBe(false);
   });
 
-  test("generates default array", () => {
-    expect(generateDefaultValue({ type: "array" })).toEqual([]);
+  test("generates undefined for optional array", () => {
+    expect(generateDefaultValue({ type: "array" })).toBe(undefined);
   });
 
-  test("generates default empty object", () => {
-    expect(generateDefaultValue({ type: "object" })).toEqual({});
+  test("generates undefined for optional object", () => {
+    expect(generateDefaultValue({ type: "object" })).toBe(undefined);
   });
 
   test("generates default null for unknown types", () => {
@@ -52,12 +52,32 @@ describe("generateDefaultValue", () => {
     expect(generateDefaultValue({ type: "unknown" })).toBe(undefined);
   });
 
-  test("generates empty array for non-required array", () => {
-    expect(generateDefaultValue({ type: "array" })).toEqual([]);
+  test("generates empty array for required array", () => {
+    const parentSchema = { required: ["testArray"] };
+    expect(
+      generateDefaultValue({ type: "array" }, "testArray", parentSchema),
+    ).toEqual([]);
   });
 
-  test("generates empty object for non-required object", () => {
-    expect(generateDefaultValue({ type: "object" })).toEqual({});
+  test("generates undefined for non-required array", () => {
+    const parentSchema = { required: ["otherField"] };
+    expect(
+      generateDefaultValue({ type: "array" }, "testArray", parentSchema),
+    ).toBe(undefined);
+  });
+
+  test("generates empty object for required object", () => {
+    const parentSchema = { required: ["testObject"] };
+    expect(
+      generateDefaultValue({ type: "object" }, "testObject", parentSchema),
+    ).toEqual({});
+  });
+
+  test("generates undefined for non-required object", () => {
+    const parentSchema = { required: ["otherField"] };
+    expect(
+      generateDefaultValue({ type: "object" }, "testObject", parentSchema),
+    ).toBe(undefined);
   });
 
   test("generates undefined for non-required primitive types", () => {

client/src/utils/schemaUtils.ts

@@ -109,9 +109,9 @@ export function generateDefaultValue(
     case "boolean":
       return isRequired ? false : undefined;
     case "array":
-      return [];
+      return isRequired ? [] : undefined;
     case "object": {
-      if (!schema.properties) return {};
+      if (!schema.properties) return isRequired ? {} : undefined;
 
       const obj: JsonObject = {};
       // Only include properties that are required according to the schema's required array
@@ -123,7 +123,7 @@ export function generateDefaultValue(
           }
         }
       });
-      return obj;
+      return isRequired ? obj : Object.keys(obj).length > 0 ? obj : undefined;
     }
     case "null":
       return null;