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feat(api): abort signal support for gemini, mistral, lite-llm (completePrompt + createMessage) #1303

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feat(api): abort signal support for gemini, mistral, lite-llm (completePrompt + createMessage) #1303

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2a58311
feat(api): abort signal support for gemini, mistral, lite-llm (comple…
easonliang28 Aug 20, 2026
f6eba43
fix(api): unify timeoutMs:0 handling across gemini/mistral/lite-llm +…
easonliang28 Aug 20, 2026
4a13072
test(api): close changed-line coverage gaps in gemini, mistral, lite-llm
easonliang28 Aug 20, 2026
068e1fe
Merge branch 'main' into feat/abort-r1-gemini-mistral-lite
easonLiangWorldedtech Aug 30, 2026
73af57e
test(api): use provider identifiers in gemini-handler spec
easonliang28 Sep 2, 2026
4b2b027
Merge remote-tracking branch 'upstream/main' into feat/abort-r1-gemin…
easonliang28 Sep 2, 2026
fefffcd
fix(api): harden gemini/mistral abort, timeout and base-url handling
easonliang28 Sep 2, 2026
9b8033a
chore: retrigger CodeRabbit review (no-op)
easonliang28 Sep 3, 2026
1f4b56b
Merge branch 'main' into feat/abort-r1-gemini-mistral-lite
easonLiangWorldedtech Sep 3, 2026
a0ed34f
Merge branch main into feat/abort-r1-gemini-mistral-lite
easonliang28 Sep 6, 2026
6c2d6bf
fix(api): allow IPv6 loopback host and strengthen abort-signal spec k…
easonliang28 Sep 6, 2026
1b205a3
test(api): kill remaining abort-signal mutation survivors in gemini a…
easonliang28 Sep 6, 2026
018edc1
fix(api): address review findings on abort-bridge listener assertions…
easonliang28 Sep 7, 2026
8505c9f
fix(api): restrict Gemini loopback HTTP exception to literal 127.0.0.0/8
easonliang28 Sep 7, 2026
2f8b228
test(api): restructure Gemini loopback octet check for mutation obser…
easonliang28 Sep 7, 2026
4e9a602
test(api): collapse duplicated Gemini base-URL rejection tests into a…
easonliang28 Sep 7, 2026
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107 changes: 50 additions & 57 deletions src/api/providers/__tests__/gemini-handler.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,7 @@ vi.mock("@roo-code/telemetry", () => ({
}))

import { GeminiHandler } from "../gemini"
import type { ApiHandlerOptions } from "../../../shared/api"
import { providerIdentifiers } from "@roo-code/types/provider-identifiers"
import { makeApiHandlerOptions } from "../../../test-utils/api"

describe("GeminiHandler backend support", () => {
beforeEach(() => {
Expand All @@ -24,11 +23,7 @@ describe("GeminiHandler backend support", () => {
// URL context and grounding are mutually exclusive with function declarations
// in Gemini API, so createMessage only uses function declarations.
// URL context/grounding are only added in completePrompt.
const options = {
apiProvider: providerIdentifiers.gemini,
enableUrlContext: true,
enableGrounding: true,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand All @@ -41,11 +36,7 @@ describe("GeminiHandler backend support", () => {
})

it("completePrompt passes config overrides without tools when URL context and grounding disabled", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
enableUrlContext: false,
enableGrounding: false,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockResolvedValue({ text: "ok" })
// @ts-ignore access private client
Expand All @@ -56,12 +47,39 @@ describe("GeminiHandler backend support", () => {
expect(promptConfig.tools).toBeUndefined()
})

it("completePrompt should pass abort signal through to client via config.abortSignal", async () => {
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)

const controller = new AbortController()
const stub = vi.fn().mockResolvedValue({ text: "response" })
handler["client"].models.generateContent = stub

await handler.completePrompt("test prompt", { abortSignal: controller.signal })

expect(stub).toHaveBeenCalledWith(
expect.objectContaining({
config: expect.objectContaining({
abortSignal: controller.signal,
}),
}),
)
})

it("completePrompt should work without options (backward compatible)", async () => {
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)

const stub = vi.fn().mockResolvedValue({ text: "response" })
handler["client"].models.generateContent = stub

const result = await handler.completePrompt("test prompt")
expect(result).toBe("response")
})

describe("error scenarios", () => {
it("should handle grounding metadata extraction failure gracefully", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
enableGrounding: true,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)

const mockStream = async function* () {
Expand Down Expand Up @@ -93,10 +111,7 @@ describe("GeminiHandler backend support", () => {
})

it("should handle malformed grounding metadata", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
enableGrounding: true,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)

const mockStream = async function* () {
Expand Down Expand Up @@ -144,11 +159,7 @@ describe("GeminiHandler backend support", () => {
})

it("should handle API errors when tools are enabled", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
enableUrlContext: true,
enableGrounding: true,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)

const mockError = new Error("API rate limit exceeded")
Expand Down Expand Up @@ -192,9 +203,7 @@ describe("GeminiHandler backend support", () => {
]

it("should ignore allowedFunctionNames because Gemini rejects larger restriction lists", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand All @@ -213,9 +222,7 @@ describe("GeminiHandler backend support", () => {
})

it("should include all tools when allowedFunctionNames is provided", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand All @@ -236,9 +243,7 @@ describe("GeminiHandler backend support", () => {
})

it("should not pass large allowedFunctionNames lists to Gemini", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand Down Expand Up @@ -267,9 +272,7 @@ describe("GeminiHandler backend support", () => {
})

it("should not pass allowedFunctionNames even when history includes tool calls", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand Down Expand Up @@ -304,9 +307,7 @@ describe("GeminiHandler backend support", () => {
})

it("should fall back to tool_choice when allowedFunctionNames is provided", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand All @@ -327,9 +328,7 @@ describe("GeminiHandler backend support", () => {
})

it("should fall back to tool_choice when allowedFunctionNames is empty", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand All @@ -351,9 +350,7 @@ describe("GeminiHandler backend support", () => {
})

it("should not set toolConfig when allowedFunctionNames is undefined and no tool_choice", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand All @@ -374,9 +371,7 @@ describe("GeminiHandler backend support", () => {

describe("Gemini schema compatibility", () => {
it("should strip broad JSON Schema metadata from function declarations", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand Down Expand Up @@ -435,9 +430,7 @@ describe("GeminiHandler backend support", () => {
})

it("should collapse composition and type arrays in function declaration schemas", async () => {
const options = {
apiProvider: providerIdentifiers.gemini,
} as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand Down Expand Up @@ -496,7 +489,7 @@ describe("GeminiHandler backend support", () => {
})

it("should deep-merge allOf fragments instead of overwriting earlier properties", async () => {
const options = { apiProvider: providerIdentifiers.gemini } as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand Down Expand Up @@ -541,7 +534,7 @@ describe("GeminiHandler backend support", () => {
})

it("should resolve $ref entries before dropping $defs", async () => {
const options = { apiProvider: providerIdentifiers.gemini } as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand Down Expand Up @@ -590,7 +583,7 @@ describe("GeminiHandler backend support", () => {
})

it("should preserve top-level properties and required entries when allOf is also present", async () => {
const options = { apiProvider: providerIdentifiers.gemini } as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand Down Expand Up @@ -632,7 +625,7 @@ describe("GeminiHandler backend support", () => {
})

it("should stop recursive $ref expansion before the sanitized schema becomes cyclic", async () => {
const options = { apiProvider: providerIdentifiers.gemini } as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand Down Expand Up @@ -684,7 +677,7 @@ describe("GeminiHandler backend support", () => {
})

it("should preserve parameter names that collide with stripped schema keywords", async () => {
const options = { apiProvider: providerIdentifiers.gemini } as ApiHandlerOptions
const options = makeApiHandlerOptions()
const handler = new GeminiHandler(options)
const stub = vi.fn().mockReturnValue((async function* () {})())
// @ts-ignore access private client
Expand Down
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