test(api): cover service tier fallbacks

Author: WebMad

src/api/providers/__tests__/openai-native.spec.ts

@@ -501,6 +501,28 @@ describe("OpenAiNativeHandler", () => {
 			expect(result.totalCost).toBeCloseTo(0.22, 6)
 		})
 
+		it("should retain standard pricing when no service tier is selected", () => {
+			const model = handler.getModel()
+			const applyServiceTierPricing = Reflect.get(handler, "applyServiceTierPricing")
+
+			const result = Reflect.apply(applyServiceTierPricing, handler, [model.info])
+
+			expect(result).toBe(model.info)
+		})
+
+		it("should retain standard pricing when the resolved service tier has no pricing entry", () => {
+			const model = handler.getModel()
+			const infoWithoutTiers = { ...model.info, tiers: undefined }
+			const applyServiceTierPricing = Reflect.get(handler, "applyServiceTierPricing")
+
+			const result = Reflect.apply(applyServiceTierPricing, handler, [
+				infoWithoutTiers,
+				OpenAiServiceTier.Priority,
+			])
+
+			expect(result).toBe(infoWithoutTiers)
+		})
+
 		it("should return GPT-5.3 Chat model info when selected", () => {
 			const chatHandler = new OpenAiNativeHandler({
 				...mockOptions,

webview-ui/src/components/settings/__tests__/ModelInfoView.spec.tsx

@@ -94,4 +94,16 @@ describe("ModelInfoView service tier pricing", () => {
 
 		expect(screen.queryByText("Service tier pricing")).not.toBeInTheDocument()
 	})
+
+	it("does not show the tier pricing table when model info has no tiers", () => {
+		render(
+			<ModelInfoView
+				{...defaultProps}
+				apiProvider={providerIdentifiers.openaiNative}
+				modelInfo={baseModelInfo}
+			/>,
+		)
+
+		expect(screen.queryByText("Service tier pricing")).not.toBeInTheDocument()
+	})
 })