test(zoo-gateway): cover dynamic default model picker for codecov patch

Exports pickZooGatewayDefaultModelId so the helper is unit-testable and adds
component tests for the auto-default useEffect (no-op while catalog loads,
auto-pick on empty profile, repair stale id, no-op when valid).

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: James Mtendamema

webview-ui/src/components/settings/providers/ZooGateway.tsx

@@ -25,7 +25,8 @@ function isSonnet45ModelId(id: string) {
 	return /sonnet-4[.-]5|sonnet-4\.5/i.test(id)
 }
 
-function pickZooGatewayDefaultModelId(modelIds: string[]) {
+// Exported for unit tests.
+export function pickZooGatewayDefaultModelId(modelIds: string[]) {
 	if (modelIds.length === 0) {
 		return zooGatewayDefaultModelId
 	}

webview-ui/src/components/settings/providers/__tests__/ZooGateway.spec.tsx

@@ -0,0 +1,168 @@
+import React from "react"
+import { render, waitFor } from "@/utils/test-utils"
+import type { ModelInfo, ProviderSettings, RouterModels } from "@roo-code/types"
+
+import { ZooGateway, pickZooGatewayDefaultModelId } from "../ZooGateway"
+
+vi.mock("@src/i18n/TranslationContext", () => ({
+	useAppTranslation: () => ({
+		t: (key: string) => key,
+	}),
+}))
+
+vi.mock("@src/context/ExtensionStateContext", () => ({
+	useExtensionState: () => ({
+		zooCodeIsAuthenticated: true,
+		zooCodeUserEmail: "user@example.com",
+		zooCodeUserName: "User",
+		zooCodeBaseUrl: "https://www.zoocode.dev",
+		uriScheme: "vscode",
+		deviceName: "Test Device",
+	}),
+}))
+
+vi.mock("@src/oauth/urls", () => ({
+	getZooCodeAuthUrl: () => "https://www.zoocode.dev/dashboard/connect",
+}))
+
+vi.mock("../../ModelPicker", () => ({
+	ModelPicker: ({ defaultModelId }: { defaultModelId: string }) => (
+		<div data-testid="model-picker" data-default-model={defaultModelId} />
+	),
+}))
+
+const baseInfo: ModelInfo = {
+	maxTokens: 8192,
+	contextWindow: 200000,
+	supportsImages: false,
+	supportsPromptCache: false,
+	inputPrice: 1,
+	outputPrice: 2,
+}
+
+function buildRouterModels(modelIds: string[]): RouterModels {
+	const models = Object.fromEntries(modelIds.map((id) => [id, baseInfo]))
+	return { "zoo-gateway": models } as unknown as RouterModels
+}
+
+describe("pickZooGatewayDefaultModelId", () => {
+	it("falls back to the static default when the catalog is empty", () => {
+		expect(pickZooGatewayDefaultModelId([])).toBe("anthropic/claude-sonnet-4")
+	})
+
+	it("prefers an exact anthropic/claude-sonnet-4.5 match", () => {
+		const result = pickZooGatewayDefaultModelId([
+			"anthropic/claude-sonnet-4",
+			"anthropic/claude-sonnet-4.5",
+			"openai/gpt-4o",
+		])
+		expect(result).toBe("anthropic/claude-sonnet-4.5")
+	})
+
+	it("matches a Bedrock-style claude-sonnet-4-5 id", () => {
+		const result = pickZooGatewayDefaultModelId([
+			"anthropic.claude-sonnet-4-20250514-v1:0",
+			"anthropic.claude-sonnet-4-5-20250929-v1:0",
+		])
+		expect(result).toBe("anthropic.claude-sonnet-4-5-20250929-v1:0")
+	})
+
+	it("falls back to claude sonnet 4 when 4.5 is not in the catalog", () => {
+		const result = pickZooGatewayDefaultModelId(["openai/gpt-4o", "anthropic/claude-sonnet-4"])
+		expect(result).toBe("anthropic/claude-sonnet-4")
+	})
+
+	it("falls back to the first available id when no claude sonnet is present", () => {
+		const result = pickZooGatewayDefaultModelId(["openai/gpt-4o", "google/gemini-2.5-pro"])
+		expect(result).toBe("openai/gpt-4o")
+	})
+})
+
+describe("ZooGateway component", () => {
+	const baseProps = {
+		organizationAllowList: { allowAll: true, providers: {} } as ProviderSettings extends never ? never : any,
+		setApiConfigurationField: vi.fn(),
+	}
+
+	beforeEach(() => {
+		vi.clearAllMocks()
+	})
+
+	it("auto-selects the resolved default model when the profile has no model id", async () => {
+		const setApiConfigurationField = vi.fn()
+		render(
+			<ZooGateway
+				apiConfiguration={{ apiProvider: "zoo-gateway" } as ProviderSettings}
+				setApiConfigurationField={setApiConfigurationField}
+				routerModels={buildRouterModels(["anthropic/claude-sonnet-4", "anthropic/claude-sonnet-4.5"])}
+				organizationAllowList={baseProps.organizationAllowList}
+			/>,
+		)
+
+		await waitFor(() => {
+			expect(setApiConfigurationField).toHaveBeenCalledWith("zooGatewayModelId", "anthropic/claude-sonnet-4.5")
+		})
+	})
+
+	it("reassigns a stale model id that is not in the catalog", async () => {
+		const setApiConfigurationField = vi.fn()
+		render(
+			<ZooGateway
+				apiConfiguration={
+					{
+						apiProvider: "zoo-gateway",
+						zooGatewayModelId: "anthropic/claude-sonnet-4",
+					} as ProviderSettings
+				}
+				setApiConfigurationField={setApiConfigurationField}
+				routerModels={buildRouterModels([
+					"anthropic.claude-sonnet-4-5-20250929-v1:0",
+					"anthropic.claude-sonnet-4-20250514-v1:0",
+				])}
+				organizationAllowList={baseProps.organizationAllowList}
+			/>,
+		)
+
+		await waitFor(() => {
+			expect(setApiConfigurationField).toHaveBeenCalledWith(
+				"zooGatewayModelId",
+				"anthropic.claude-sonnet-4-5-20250929-v1:0",
+			)
+		})
+	})
+
+	it("does not overwrite a model id that is already valid for the catalog", async () => {
+		const setApiConfigurationField = vi.fn()
+		render(
+			<ZooGateway
+				apiConfiguration={
+					{
+						apiProvider: "zoo-gateway",
+						zooGatewayModelId: "anthropic/claude-sonnet-4.5",
+					} as ProviderSettings
+				}
+				setApiConfigurationField={setApiConfigurationField}
+				routerModels={buildRouterModels(["anthropic/claude-sonnet-4", "anthropic/claude-sonnet-4.5"])}
+				organizationAllowList={baseProps.organizationAllowList}
+			/>,
+		)
+
+		await waitFor(() => {
+			expect(setApiConfigurationField).not.toHaveBeenCalled()
+		})
+	})
+
+	it("does nothing while the catalog is still empty (router models loading)", () => {
+		const setApiConfigurationField = vi.fn()
+		render(
+			<ZooGateway
+				apiConfiguration={{ apiProvider: "zoo-gateway" } as ProviderSettings}
+				setApiConfigurationField={setApiConfigurationField}
+				routerModels={undefined}
+				organizationAllowList={baseProps.organizationAllowList}
+			/>,
+		)
+
+		expect(setApiConfigurationField).not.toHaveBeenCalled()
+	})
+})