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import { isUnknownCapability } from '#/llm-adapter/contract/capability';
import { thinkingMetadataOf } from '#human/llm/thinking';
import type { Model } from '#/llm-adapter/model/catalog';
import { ProtocolAdapterRegistry } from '#/llm-adapter/protocol/protocolAdapterRegistry';
import {
getProviderDefinition,
getProviderDefinitions,
hasProviderDefinition,
registerProviderDefinition,
resolveProviderEndpoint,
} from '#/llm-adapter/provider/provider-definition';
const ENV_KEYS = [
'OPENAI_API_KEY',
'OPENAI_BASE_URL',
'KIMI_API_KEY',
'KIMI_BASE_URL',
'GOOGLE_API_KEY',
'VERTEXAI_API_KEY',
] as const;
let envSnapshot: Record<string, string | undefined>;
beforeEach(() => {
envSnapshot = {};
for (const key of ENV_KEYS) {
envSnapshot[key] = process.env[key];
delete process.env[key];
}
});
afterEach(() => {
for (const key of ENV_KEYS) {
const value = envSnapshot[key];
if (value === undefined) {
delete process.env[key];
} else {
process.env[key] = value;
}
}
});
registerProviderDefinition({
id: 'cap-vendor',
baseProtocol: 'openai',
capability: (modelName: string) =>
modelName === 'special-model'
? {
image_in: true,
video_in: false,
audio_in: false,
thinking: false,
tool_use: true,
}
: undefined,
});
const registry = new ProtocolAdapterRegistry();
function modelWith(spec: {
readonly protocol: Model['protocol'];
readonly providerType?: string;
readonly providerOptions?: Model['providerOptions'];
readonly reasoningKey?: string;
readonly supportEfforts?: readonly string[];
}): Model {
return {
id: 'm1',
name: 'wire-model',
aliases: [],
protocol: spec.protocol,
headers: {},
capabilities: {
image_in: false,
video_in: false,
audio_in: false,
thinking: false,
tool_use: true,
max_context_tokens: 128000,
},
maxContextSize: 128000,
alwaysThinking: false,
providerType: spec.providerType,
providerName: spec.providerType ?? spec.protocol,
reasoningKey: spec.reasoningKey,
supportEfforts: spec.supportEfforts,
providerOptions: spec.providerOptions,
};
}
describe('supportedProtocols', () => {
it('lists the four wire protocols and contains neither kimi nor vertexai', () => {
const protocols = registry.supportedProtocols();
expect(protocols).toHaveLength(4);
expect([...protocols].toSorted()).toEqual(
['anthropic', 'google-genai', 'openai', 'openai_responses'].toSorted(),
);
expect(protocols).not.toContain('kimi');
expect(protocols).not.toContain('vertexai');
});
});
describe('resolveAdapterIdentity', () => {
it('resolves the kimi pair registrations to their vendor traits', () => {
expect(registry.resolveAdapterIdentity('openai', 'kimi').baseId).toBe('openai');
expect(registry.resolveAdapterIdentity('openai', 'kimi').trait).toBeDefined();
expect(registry.resolveAdapterIdentity('anthropic', 'kimi').baseId).toBe('anthropic');
expect(registry.resolveAdapterIdentity('anthropic', 'kimi').trait).toBeDefined();
expect(registry.resolveAdapterIdentity('openai_responses', 'kimi').baseId).toBe(
'openai_responses',
);
expect(registry.resolveAdapterIdentity('openai_responses', 'kimi').trait).toBeUndefined();
});
it('resolves unregistered pairs to the protocol itself with no vendor trait', () => {
const google = registry.resolveAdapterIdentity('google-genai', 'kimi');
expect(google.baseId).toBe('google-genai');
expect(google.trait).toBeUndefined();
const unknown = registry.resolveAdapterIdentity('openai', 'no-such-vendor');
expect(unknown.baseId).toBe('openai');
expect(unknown.trait).toBeUndefined();
});
it('resolves the no-providerType branch identically', () => {
const identity = registry.resolveAdapterIdentity('openai');
expect(identity.baseId).toBe('openai');
expect(identity.trait).toBeUndefined();
});
});
describe('resolveProviderBaseId', () => {
it('returns the pair registration’s baseProtocol — the protocol itself by construction', () => {
expect(registry.resolveProviderBaseId('openai', 'kimi')).toBe('openai');
expect(registry.resolveProviderBaseId('anthropic', 'kimi')).toBe('anthropic');
});
it('returns the protocol itself otherwise', () => {
expect(registry.resolveProviderBaseId('google-genai', 'kimi')).toBe('google-genai');
expect(registry.resolveProviderBaseId('openai', 'no-such-vendor')).toBe('openai');
expect(registry.resolveProviderBaseId('openai')).toBe('openai');
});
});
describe('resolveCapability', () => {
it('falls back to trait capability hooks before the base catalog', () => {
const fromTrait = registry.resolveCapability('openai', 'special-model', 'cap-vendor');
expect(fromTrait.image_in).toBe(true);
const fromBase = registry.resolveCapability('openai', 'gpt-4o', 'cap-vendor');
expect(fromBase.image_in).toBe(true);
});
it('falls back to the base catalog and then to UNKNOWN', () => {
expect(registry.resolveCapability('openai', 'gpt-4o').image_in).toBe(true);
expect(isUnknownCapability(registry.resolveCapability('openai', 'mystery-model'))).toBe(true);
expect(registry.resolveCapability('anthropic', 'claude-opus-4-1').thinking).toBe(true);
});
it('kimi declares no vendor-level capability — the base catalog answers instead', () => {
expect(isUnknownCapability(registry.resolveCapability('openai', 'kimi-for-coding', 'kimi'))).toBe(
true,
);
expect(registry.resolveCapability('openai', 'gpt-4o', 'kimi').image_in).toBe(true);
});
});
describe('resolve gateway routes', () => {
it('routes kimi+openai to the kimi trait with the video upload media', () => {
const resolved = registry.resolve(modelWith({ protocol: 'openai', providerType: 'kimi' }));
expect(resolved.protocol).toBe('openai');
expect(resolved.model.provider).toBe('openai');
expect(resolved.model.model).toBe('wire-model');
expect(typeof resolved.media?.uploadVideo).toBe('function');
expect(typeof resolved.media?.uploadImage).toBe('function');
});
it('routes plain openai without the upload media', () => {
const resolved = registry.resolve(modelWith({ protocol: 'openai' }));
expect(resolved.protocol).toBe('openai');
expect(resolved.media?.uploadVideo).toBeUndefined();
expect(resolved.media?.uploadImage).toBeUndefined();
});
it('reports the wire protocol regardless of beta or vertex provider options', () => {
const beta = registry.resolve(
modelWith({ protocol: 'anthropic', providerOptions: { betaApi: true } }),
);
expect(beta.protocol).toBe('anthropic');
const vertex = registry.resolve(
modelWith({
protocol: 'google-genai',
providerOptions: { vertexai: true, project: 'p', location: 'l' },
}),
);
expect(vertex.protocol).toBe('google-genai');
});
it('routes kimi+anthropic through the kimi anthropic trait with media', () => {
const resolved = registry.resolve(modelWith({ protocol: 'anthropic', providerType: 'kimi' }));
expect(resolved.protocol).toBe('anthropic');
expect(typeof resolved.media?.uploadVideo).toBe('function');
expect(typeof resolved.media?.uploadImage).toBe('function');
});
it('carries thinking metadata and model limits onto the resolved LlmModel', () => {
const resolved = registry.resolve(
modelWith({
protocol: 'anthropic',
supportEfforts: ['low', 'high'],
providerOptions: { supportEfforts: ['low', 'high'], adaptiveThinking: true },
}),
);
expect(resolved.model.maxContextSize).toBe(128000);
expect(thinkingMetadataOf(resolved.model)).toMatchObject({
supportEfforts: ['low', 'high'],
adaptiveThinking: true,
});
});
});
describe('resolveProviderEndpoint', () => {
it('resolves the kimi endpoint chain from process.env', () => {
process.env['KIMI_API_KEY'] = 'sk-kimi-env';
expect(resolveProviderEndpoint('kimi')).toEqual({
apiKey: 'sk-kimi-env',
baseUrl: 'https://api.moonshot.ai/v1',
});
});
it('reads a caller-supplied env bag instead of process.env', () => {
process.env['KIMI_API_KEY'] = 'sk-kimi-env';
expect(resolveProviderEndpoint('kimi', { KIMI_BASE_URL: 'https://example.com/v1' })).toEqual({
baseUrl: 'https://example.com/v1',
});
});
it('aggregates the google-genai chain with the legacy vertex precedence', () => {
expect(
resolveProviderEndpoint('google-genai', {
VERTEXAI_API_KEY: 'vertex-env-key',
GOOGLE_API_KEY: 'google-env-key',
}),
).toEqual({ apiKey: 'vertex-env-key' });
expect(resolveProviderEndpoint('google-genai', { GOOGLE_API_KEY: 'google-env-key' })).toEqual({
apiKey: 'google-env-key',
});
expect(
resolveProviderEndpoint('google-genai', {
GOOGLE_VERTEX_BASE_URL: 'https://vertex.example.test',
GOOGLE_GEMINI_BASE_URL: 'https://gemini.example.test',
}),
).toEqual({ baseUrl: 'https://vertex.example.test' });
expect(
resolveProviderEndpoint('google-genai', {
GOOGLE_GEMINI_BASE_URL: 'https://gemini.example.test',
}),
).toEqual({ baseUrl: 'https://gemini.example.test' });
});
it('returns {} for unregistered vendors', () => {
expect(resolveProviderEndpoint('no-such-vendor')).toEqual({});
});
});
describe('kimi provider definitions', () => {
it('registers one definition per transport, with shared vendor-level facts', () => {
const native = getProviderDefinition('kimi', 'openai');
const anthropic = getProviderDefinition('kimi', 'anthropic');
const responses = getProviderDefinition('kimi', 'openai_responses');
expect(native?.baseProtocol).toBe('openai');
expect(native?.trait).toBeDefined();
expect(anthropic?.baseProtocol).toBe('anthropic');
expect(anthropic?.trait).toBeDefined();
expect(responses?.baseProtocol).toBe('openai_responses');
expect(responses?.trait).toBeUndefined();
for (const definition of [native, anthropic, responses]) {
expect(definition?.endpoint).toEqual({
apiKeyEnv: 'KIMI_API_KEY',
baseUrlEnv: 'KIMI_BASE_URL',
defaultBaseUrl: 'https://api.moonshot.ai/v1',
});
expect(definition?.hostHeaders).toBe('full');
expect(definition?.modelSource).toBe('oauth-catalog');
}
});
it('answers id-level queries and reports unregistered pairs', () => {
expect(getProviderDefinition('kimi')?.baseProtocol).toBe('openai');
expect(getProviderDefinitions('kimi')).toHaveLength(3);
expect(hasProviderDefinition('kimi')).toBe(true);
expect(hasProviderDefinition('no-such-vendor')).toBe(false);
expect(getProviderDefinition('kimi', 'google-genai')).toBeUndefined();
});
it('allows the same id on several protocols but rejects a duplicate (id, baseProtocol) pair', () => {
registerProviderDefinition({
id: 'pair-vendor',
baseProtocol: 'openai',
});
registerProviderDefinition({
id: 'pair-vendor',
baseProtocol: 'anthropic',
});
expect(getProviderDefinition('pair-vendor', 'openai')).toBeDefined();
expect(getProviderDefinition('pair-vendor', 'anthropic')).toBeDefined();
expect(() =>
registerProviderDefinition({
id: 'pair-vendor',
baseProtocol: 'openai',
}),
).toThrow(/already registered/);
expect(() =>
registerProviderDefinition({
id: 'kimi',
baseProtocol: 'openai',
}),
).toThrow(/already registered/);
});
});
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