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import type { LanguageModelV3 } from "@ai-sdk/provider"
import { describe, expect } from "bun:test"
import { Effect } from "effect"
import { Catalog } from "@opencode-ai/core/catalog"
import { ModelV2 } from "@opencode-ai/core/model"
import { PluginV2 } from "@opencode-ai/core/plugin"
import { PluginHost } from "@opencode-ai/core/plugin/host"
import { GoogleVertexAnthropicPlugin, GoogleVertexPlugin } from "@opencode-ai/core/plugin/provider/google-vertex"
import { ProviderV2 } from "@opencode-ai/core/provider"
import { testEffect } from "../lib/effect"
import { PluginTestLayer } from "./fixture"
const it = testEffect(PluginTestLayer)
const addPlugin = Effect.fn(function* (definition: typeof GoogleVertexAnthropicPlugin | typeof GoogleVertexPlugin) {
const plugin = yield* PluginV2.Service
const aisdk = yield* AISDK.Service
const host = yield* PluginHost.make(plugin)
yield* definition.effect(host)
})
function withEnv<A, E, R>(vars: Record<string, string | undefined>, effect: () => Effect.Effect<A, E, R>) {
return Effect.acquireUseRelease(
Effect.sync(() => {
const previous = Object.fromEntries(Object.keys(vars).map((key) => [key, process.env[key]]))
Object.entries(vars).forEach(([key, value]) => {
if (value === undefined) delete process.env[key]
else process.env[key] = value
})
return previous
}),
effect,
(previous) =>
Effect.sync(() => {
Object.entries(previous).forEach(([key, value]) => {
if (value === undefined) delete process.env[key]
else process.env[key] = value
})
}),
)
}
function selector(calls: string[]) {
return (id: string) => {
calls.push(`languageModel:${id}`)
return { modelId: id, provider: "languageModel", specificationVersion: "v3" } as unknown as LanguageModelV3
}
}
describe("GoogleVertexAnthropicPlugin", () => {
it.effect("resolves legacy project and location env on provider update", () =>
withEnv(
{
GOOGLE_CLOUD_PROJECT: "cloud-project",
GCP_PROJECT: "gcp-project",
GCLOUD_PROJECT: "gcloud-project",
GOOGLE_CLOUD_LOCATION: "cloud-location",
VERTEX_LOCATION: "vertex-location",
GOOGLE_VERTEX_LOCATION: "google-vertex-location",
},
() =>
Effect.gen(function* () {
const catalog = yield* Catalog.Service
yield* catalog.transform((catalog) =>
catalog.provider.update(ProviderV2.ID.make("google-vertex-anthropic"), (provider) => {
provider.api = { type: "aisdk", package: "@ai-sdk/google-vertex/anthropic" }
}),
)
yield* addPlugin(GoogleVertexAnthropicPlugin)
expect(
(yield* catalog.provider.get(ProviderV2.ID.make("google-vertex-anthropic")))?.request.body.project,
).toBe("cloud-project")
expect(
(yield* catalog.provider.get(ProviderV2.ID.make("google-vertex-anthropic")))?.request.body.location,
).toBe("cloud-location")
}),
),
)
it.effect("keeps configured project and location over env fallback", () =>
withEnv({ GOOGLE_CLOUD_PROJECT: "env-project", GOOGLE_CLOUD_LOCATION: "env-location" }, () =>
Effect.gen(function* () {
const catalog = yield* Catalog.Service
yield* catalog.transform((catalog) =>
catalog.provider.update(ProviderV2.ID.make("google-vertex-anthropic"), (provider) => {
provider.api = { type: "aisdk", package: "@ai-sdk/google-vertex/anthropic" }
provider.request.body.project = "configured-project"
provider.request.body.location = "configured-location"
}),
)
yield* addPlugin(GoogleVertexAnthropicPlugin)
expect((yield* catalog.provider.get(ProviderV2.ID.make("google-vertex-anthropic")))?.request.body.project).toBe(
"configured-project",
)
expect(
(yield* catalog.provider.get(ProviderV2.ID.make("google-vertex-anthropic")))?.request.body.location,
).toBe("configured-location")
}),
),
)
it.effect("creates SDKs from legacy env fallback and default location", () =>
withEnv(
{
GOOGLE_CLOUD_PROJECT: undefined,
GCP_PROJECT: "gcp-project",
GCLOUD_PROJECT: "gcloud-project",
GOOGLE_CLOUD_LOCATION: undefined,
VERTEX_LOCATION: undefined,
GOOGLE_VERTEX_LOCATION: "ignored-location",
},
() =>
Effect.gen(function* () {
const plugin = yield* PluginV2.Service
const aisdk = yield* AISDK.Service
yield* addPlugin(GoogleVertexAnthropicPlugin)
const result = yield* aisdk.runSDK({
model: ModelV2.Info.make({
...ModelV2.Info.empty(
ProviderV2.ID.make("google-vertex-anthropic"),
ModelV2.ID.make("claude-sonnet-4-5"),
),
api: { id: ModelV2.ID.make("claude-sonnet-4-5"), type: "aisdk", package: "test-provider" },
}),
package: "@ai-sdk/google-vertex/anthropic",
options: { name: "google-vertex-anthropic" },
})
expect(result.sdk.languageModel("claude-sonnet-4-5").config.baseURL).toBe(
"https://aiplatform.googleapis.com/v1/projects/gcp-project/locations/global/publishers/anthropic/models",
)
}),
),
)
it.effect("uses GOOGLE_CLOUD_LOCATION before VERTEX_LOCATION when creating SDKs", () =>
withEnv(
{ GOOGLE_CLOUD_PROJECT: "project", GOOGLE_CLOUD_LOCATION: "cloud-location", VERTEX_LOCATION: "vertex-location" },
() =>
Effect.gen(function* () {
const plugin = yield* PluginV2.Service
const aisdk = yield* AISDK.Service
yield* addPlugin(GoogleVertexAnthropicPlugin)
const result = yield* aisdk.runSDK({
model: ModelV2.Info.make({
...ModelV2.Info.empty(
ProviderV2.ID.make("google-vertex-anthropic"),
ModelV2.ID.make("claude-sonnet-4-5"),
),
api: { id: ModelV2.ID.make("claude-sonnet-4-5"), type: "aisdk", package: "test-provider" },
}),
package: "@ai-sdk/google-vertex/anthropic",
options: { name: "google-vertex-anthropic" },
})
expect(result.sdk.languageModel("claude-sonnet-4-5").config.baseURL).toBe(
"https://cloud-location-aiplatform.googleapis.com/v1/projects/project/locations/cloud-location/publishers/anthropic/models",
)
}),
),
)
it.effect("creates SDKs for google-vertex Anthropic models with multi-region endpoints", () =>
Effect.gen(function* () {
const plugin = yield* PluginV2.Service
const aisdk = yield* AISDK.Service
yield* addPlugin(GoogleVertexAnthropicPlugin)
const result = yield* aisdk.runSDK({
model: ModelV2.Info.make({
...ModelV2.Info.empty(ProviderV2.ID.make("google-vertex"), ModelV2.ID.make("claude-sonnet-4-5")),
api: { id: ModelV2.ID.make("claude-sonnet-4-5"), type: "aisdk", package: "test-provider" },
}),
package: "@ai-sdk/google-vertex/anthropic",
options: { name: "google-vertex", project: "project", location: "eu" },
})
expect(result.sdk.languageModel("claude-sonnet-4-5").config.baseURL).toBe(
"https://aiplatform.eu.rep.googleapis.com/v1/projects/project/locations/eu/publishers/anthropic/models",
)
}),
)
it.effect("keeps configured baseURL for google-vertex Anthropic models", () =>
Effect.gen(function* () {
const plugin = yield* PluginV2.Service
const aisdk = yield* AISDK.Service
yield* addPlugin(GoogleVertexAnthropicPlugin)
const result = yield* aisdk.runSDK({
model: ModelV2.Info.make({
...ModelV2.Info.empty(ProviderV2.ID.make("google-vertex"), ModelV2.ID.make("claude-sonnet-4-5")),
api: { id: ModelV2.ID.make("claude-sonnet-4-5"), type: "aisdk", package: "test-provider" },
}),
package: "@ai-sdk/google-vertex/anthropic",
options: { name: "google-vertex", project: "project", location: "eu", baseURL: "https://proxy.example/v1" },
})
expect(result.sdk.languageModel("claude-sonnet-4-5").config.baseURL).toBe("https://proxy.example/v1")
}),
)
it.effect("selects google-vertex Anthropic language models through V2 plugins", () =>
Effect.gen(function* () {
const plugin = yield* PluginV2.Service
const aisdk = yield* AISDK.Service
yield* addPlugin(GoogleVertexPlugin)
yield* addPlugin(GoogleVertexAnthropicPlugin)
const sdkResult = yield* aisdk.runSDK({
model: ModelV2.Info.make({
...ModelV2.Info.empty(ProviderV2.ID.make("google-vertex"), ModelV2.ID.make(" claude-sonnet-4-5 ")),
api: { id: ModelV2.ID.make(" claude-sonnet-4-5 "), type: "aisdk", package: "test-provider" },
}),
package: "@ai-sdk/google-vertex/anthropic",
options: { name: "google-vertex", project: "project", location: "us" },
})
const languageResult = yield* aisdk.runLanguage({
model: ModelV2.Info.make({
...ModelV2.Info.empty(ProviderV2.ID.make("google-vertex"), ModelV2.ID.make(" claude-sonnet-4-5 ")),
api: { id: ModelV2.ID.make(" claude-sonnet-4-5 "), type: "aisdk", package: "test-provider" },
}),
sdk: sdkResult.sdk,
options: {},
})
const language = languageResult.language as unknown as { config: { baseURL: string }; modelId: string }
expect(language.config.baseURL).toBe(
"https://aiplatform.us.rep.googleapis.com/v1/projects/project/locations/us/publishers/anthropic/models",
)
expect(language.modelId).toBe("claude-sonnet-4-5")
}),
)
it.effect("trims model IDs before selecting language models", () =>
Effect.gen(function* () {
const plugin = yield* PluginV2.Service
const aisdk = yield* AISDK.Service
const calls: string[] = []
yield* addPlugin(GoogleVertexAnthropicPlugin)
yield* aisdk.runLanguage({
model: ModelV2.Info.make({
...ModelV2.Info.empty(ProviderV2.ID.make("google-vertex-anthropic"), ModelV2.ID.make(" claude-sonnet-4-5 ")),
api: { id: ModelV2.ID.make(" claude-sonnet-4-5 "), type: "aisdk", package: "test-provider" },
}),
sdk: { languageModel: selector(calls) },
options: {},
})
expect(calls).toEqual(["languageModel:claude-sonnet-4-5"])
}),
)
it.effect("ignores non Vertex Anthropic providers for language selection", () =>
Effect.gen(function* () {
const plugin = yield* PluginV2.Service
const aisdk = yield* AISDK.Service
const calls: string[] = []
yield* addPlugin(GoogleVertexAnthropicPlugin)
const result = yield* aisdk.runLanguage({
model: ModelV2.Info.make({
...ModelV2.Info.empty(ProviderV2.ID.make("google-vertex"), ModelV2.ID.make("claude-sonnet-4-5")),
api: { id: ModelV2.ID.make("claude-sonnet-4-5"), type: "aisdk", package: "test-provider" },
}),
sdk: { languageModel: selector(calls) },
options: {},
})
expect(calls).toEqual([])
expect(result.language).toBeUndefined()
}),
)
})
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