opencode/packages/ai/test/provider/google-vertex.test.ts

230 lines
8.9 KiB
TypeScript

import { describe, expect } from "bun:test"
import { Effect } from "effect"
import { HttpClientRequest } from "effect/unstable/http"
import { LLM } from "../../src"
import { GoogleVertex, GoogleVertexChat, GoogleVertexMessages, GoogleVertexResponses } from "../../src/providers"
import { LLMClient } from "../../src/route"
import { compileRequest } from "../../src/route/client"
import { it } from "../lib/effect"
import { dynamicResponse } from "../lib/http"
import { deltaChunk, finishChunk } from "../lib/openai-chunks"
import { sseEvents } from "../lib/sse"
describe("Google Vertex providers", () => {
it.effect("sends Gemini requests to the global Vertex endpoint", () =>
Effect.gen(function* () {
const response = yield* LLMClient.generate(
LLM.request({
model: GoogleVertex.configure({
accessToken: "vertex-token",
location: "global",
project: "vertex-project",
}).model("gemini-3.5-flash"),
prompt: "Say hello.",
}),
).pipe(
Effect.provide(
dynamicResponse((input) =>
Effect.gen(function* () {
const request = yield* HttpClientRequest.toWeb(input.request).pipe(Effect.orDie)
expect(request.url).toBe(
"https://aiplatform.googleapis.com/v1beta1/projects/vertex-project/locations/global/publishers/google/models/gemini-3.5-flash:streamGenerateContent?alt=sse",
)
expect(request.headers.get("authorization")).toBe("Bearer vertex-token")
expect(yield* Effect.promise(() => request.json())).toMatchObject({
contents: [{ role: "user", parts: [{ text: "Say hello." }] }],
})
return input.respond(
sseEvents({
candidates: [
{
content: { role: "model", parts: [{ text: "Hello." }] },
finishReason: "STOP",
},
],
}),
{ headers: { "content-type": "text/event-stream" } },
)
}),
),
),
)
expect(response.text).toBe("Hello.")
}),
)
it.effect("projects Anthropic Messages onto the Vertex raw-predict API", () =>
Effect.gen(function* () {
const response = yield* LLMClient.generate(
LLM.request({
model: GoogleVertexMessages.configure({
accessToken: "vertex-token",
location: "eu",
project: "vertex-project",
}).model("claude-sonnet-4-6"),
prompt: "Say hello.",
}),
).pipe(
Effect.provide(
dynamicResponse((input) =>
Effect.gen(function* () {
const request = yield* HttpClientRequest.toWeb(input.request).pipe(Effect.orDie)
expect(request.url).toBe(
"https://aiplatform.eu.rep.googleapis.com/v1/projects/vertex-project/locations/eu/publishers/anthropic/models/claude-sonnet-4-6:streamRawPredict",
)
expect(request.headers.get("authorization")).toBe("Bearer vertex-token")
expect(request.headers.get("anthropic-version")).toBeNull()
const body = yield* Effect.promise(() => request.json())
expect(body).toMatchObject({
anthropic_version: "vertex-2023-10-16",
messages: [{ role: "user", content: [{ type: "text", text: "Say hello." }] }],
stream: true,
})
expect(body).not.toHaveProperty("model")
return input.respond(
sseEvents(
{ type: "content_block_start", index: 0, content_block: { type: "text", text: "" } },
{ type: "content_block_delta", index: 0, delta: { type: "text_delta", text: "Hello." } },
{ type: "content_block_stop", index: 0 },
{ type: "message_delta", delta: { stop_reason: "end_turn" }, usage: { output_tokens: 2 } },
{ type: "message_stop" },
),
{ headers: { "content-type": "text/event-stream" } },
)
}),
),
),
)
expect(response.text).toBe("Hello.")
}),
)
it.effect("sends MaaS requests through Vertex Chat Completions", () =>
Effect.gen(function* () {
const response = yield* LLMClient.generate(
LLM.request({
model: GoogleVertexChat.configure({
accessToken: "vertex-token",
location: "global",
project: "vertex-project",
}).model("deepseek-ai/deepseek-v3.2-maas"),
prompt: "Say hello.",
}),
).pipe(
Effect.provide(
dynamicResponse((input) =>
Effect.gen(function* () {
const request = yield* HttpClientRequest.toWeb(input.request).pipe(Effect.orDie)
expect(request.url).toBe(
"https://aiplatform.googleapis.com/v1/projects/vertex-project/locations/global/endpoints/openapi/chat/completions",
)
expect(request.headers.get("authorization")).toBe("Bearer vertex-token")
expect(yield* Effect.promise(() => request.json())).toMatchObject({
model: "deepseek-ai/deepseek-v3.2-maas",
messages: [{ role: "user", content: "Say hello." }],
stream: true,
stream_options: { include_usage: true },
})
return input.respond(sseEvents(deltaChunk({ content: "Hello." }), finishChunk("stop")), {
headers: { "content-type": "text/event-stream" },
})
}),
),
),
)
expect(response.text).toBe("Hello.")
}),
)
it.effect("sends Grok requests through Vertex Responses", () =>
Effect.gen(function* () {
const response = yield* LLMClient.generate(
LLM.request({
model: GoogleVertexResponses.configure({
accessToken: "vertex-token",
location: "global",
project: "vertex-project",
}).model("xai/grok-4.20-reasoning"),
prompt: "Say hello.",
}),
).pipe(
Effect.provide(
dynamicResponse((input) =>
Effect.gen(function* () {
const request = yield* HttpClientRequest.toWeb(input.request).pipe(Effect.orDie)
expect(request.url).toBe(
"https://aiplatform.googleapis.com/v1/projects/vertex-project/locations/global/endpoints/openapi/responses",
)
expect(request.headers.get("authorization")).toBe("Bearer vertex-token")
expect(yield* Effect.promise(() => request.json())).toMatchObject({
model: "xai/grok-4.20-reasoning",
input: [{ role: "user", content: [{ type: "input_text", text: "Say hello." }] }],
store: false,
stream: true,
})
return input.respond(
sseEvents(
{ type: "response.output_text.delta", item_id: "msg_1", delta: "Hello." },
{ type: "response.completed", response: { id: "resp_1" } },
),
{ headers: { "content-type": "text/event-stream" } },
)
}),
),
),
)
expect(response.text).toBe("Hello.")
}),
)
it.effect("routes tuned Gemini models through their deployed endpoint", () =>
Effect.gen(function* () {
const response = yield* LLMClient.generate(
LLM.request({
model: GoogleVertex.configure({
accessToken: "vertex-token",
location: "us-central1",
project: "vertex-project",
}).model("endpoints/1234567890"),
prompt: "Say hello.",
}),
).pipe(
Effect.provide(
dynamicResponse((input) =>
Effect.gen(function* () {
const request = yield* HttpClientRequest.toWeb(input.request).pipe(Effect.orDie)
expect(request.url).toBe(
"https://us-central1-aiplatform.googleapis.com/v1beta1/projects/vertex-project/locations/us-central1/endpoints/1234567890:streamGenerateContent?alt=sse",
)
return input.respond(
sseEvents({
candidates: [
{
content: { role: "model", parts: [{ text: "Hello." }] },
finishReason: "STOP",
},
],
}),
{ headers: { "content-type": "text/event-stream" } },
)
}),
),
),
)
expect(response.text).toBe("Hello.")
}),
)
it.effect("rejects tuned Gemini models in express mode", () =>
Effect.sync(() => {
expect(() => GoogleVertex.configure({ apiKey: "fixture" }).model("endpoints/1234567890")).toThrow(
"Google Vertex tuned models do not support Express Mode API keys",
)
}),
)
})