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import { describe, expect } from "bun:test"
import { Effect, Layer } from "effect"
import { Catalog } from "@opencode-ai/core/catalog"
import { Integration } from "@opencode-ai/core/integration"
import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
import { LayerNode } from "@opencode-ai/core/effect/layer-node"
import { EventV2 } from "@opencode-ai/core/event"
import { Flag } from "@opencode-ai/core/flag/flag"
import { Location } from "@opencode-ai/core/location"
import { ModelV2 } from "@opencode-ai/core/model"
import { ModelsDev } from "@opencode-ai/core/models-dev"
import { ModelsDevPlugin } from "@opencode-ai/core/plugin/models-dev"
import { ProviderV2 } from "@opencode-ai/core/provider"
import { AbsolutePath } from "@opencode-ai/core/schema"
import { location } from "../fixture/location"
import { testEffect } from "../lib/effect"
import { catalogHost, host, integrationHost } from "./host"
const locationLayer = Layer.succeed(
Location.Service,
Location.Service.of(location({ directory: AbsolutePath.make(import.meta.dir) })),
)
const layer = AppNodeBuilder.build(LayerNode.group([Catalog.node, Integration.node, EventV2.node]), [
[Location.node, locationLayer],
])
const it = testEffect(layer)
describe("ModelsDevPlugin", () => {
it.effect("projects models.dev modes as separate models instead of variants", () =>
Effect.gen(function* () {
const integrations = yield* Integration.Service
const catalog = yield* Catalog.Service
const models = ModelsDev.Service.of({
get: () =>
Effect.succeed({
acme: {
id: "acme",
name: "Acme",
env: [],
npm: "@ai-sdk/openai-compatible",
api: "https://api.acme.test/v1",
models: {
"gpt-5.4": {
id: "gpt-5.4",
name: "GPT-5.4",
family: "gpt",
release_date: "2026-01-01",
attachment: false,
reasoning: true,
temperature: true,
tool_call: true,
cost: {
input: 2.5,
output: 15,
tiers: [
{
tier: { type: "context", size: 272_000 },
input: 3,
output: 18,
cache_read: 0.25,
},
],
context_over_200k: { input: 5, output: 22.5, cache_read: 0.5 },
},
limit: { context: 1_050_000, input: 922_000, output: 128_000 },
experimental: {
modes: {
fast: {
cost: { input: 5, output: 30, cache_read: 0.5 },
provider: {
headers: { "x-mode": "fast" },
body: { service_tier: "priority" },
},
},
},
},
},
},
},
} satisfies Record<string, ModelsDev.Provider>),
refresh: () => Effect.void,
})
yield* ModelsDevPlugin.effect(
host({
catalog: catalogHost(catalog),
integration: integrationHost(integrations),
}),
).pipe(Effect.provideService(ModelsDev.Service, models))
const providerID = ProviderV2.ID.make("acme")
const base = yield* catalog.model.get(providerID, ModelV2.ID.make("gpt-5.4"))
const fast = yield* catalog.model.get(providerID, ModelV2.ID.make("gpt-5.4-fast"))
expect(base?.variants).toEqual([])
expect(base?.request.body).toEqual({})
expect(fast).toMatchObject({
id: "gpt-5.4-fast",
providerID: "acme",
name: "GPT-5.4 Fast",
api: { id: "gpt-5.4" },
request: {
headers: { "x-mode": "fast" },
body: { service_tier: "priority" },
},
variants: [],
})
expect(fast?.cost).toEqual([
{ input: 5, output: 30, cache: { read: 0.5, write: 0 } },
{
tier: { type: "context", size: 272_000 },
input: 3,
output: 18,
cache: { read: 0.25, write: 0 },
},
{
tier: { type: "context", size: 200_000 },
input: 5,
output: 22.5,
cache: { read: 0.5, write: 0 },
},
])
}),
)
it.effect("registers key methods for providers with environment variables", () =>
Effect.acquireUseRelease(
Effect.sync(() => {
const previous = {
path: Flag.OPENCODE_MODELS_PATH,
disabled: Flag.OPENCODE_DISABLE_MODELS_FETCH,
}
Flag.OPENCODE_MODELS_PATH = path.join(import.meta.dir, "fixtures", "models-dev.json")
Flag.OPENCODE_DISABLE_MODELS_FETCH = true
return previous
}),
() =>
Effect.gen(function* () {
const integrations = yield* Integration.Service
const catalog = yield* Catalog.Service
yield* ModelsDevPlugin.effect(
host({
catalog: catalogHost(catalog),
integration: integrationHost(integrations),
}),
)
expect(yield* integrations.list()).toEqual([
new Integration.Info({
id: Integration.ID.make("acme"),
name: "Acme",
methods: [
{ type: "key" },
{
type: "env",
names: ["ACME_API_KEY"],
},
],
connections: [],
}),
])
}).pipe(Effect.provide(AppNodeBuilder.build(ModelsDev.node))),
(previous) =>
Effect.sync(() => {
Flag.OPENCODE_MODELS_PATH = previous.path
Flag.OPENCODE_DISABLE_MODELS_FETCH = previous.disabled
}),
),
)
})
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