opencode/packages/opencode/test/plugin/github-copilot-models.test.ts

import { afterEach, expect, mock, test } from "bun:test"
import { CopilotModels } from "@/plugin/github-copilot/models"

const originalFetch = globalThis.fetch

afterEach(() => {
  globalThis.fetch = originalFetch
})

test("preserves temperature support from existing provider models", async () => {
  globalThis.fetch = mock(() =>
    Promise.resolve(
      new Response(
        JSON.stringify({
          data: [
            {
              model_picker_enabled: true,
              id: "gpt-4o",
              name: "GPT-4o",
              version: "gpt-4o-2024-05-13",
              capabilities: {
                family: "gpt",
                limits: {
                  max_context_window_tokens: 64000,
                  max_output_tokens: 16384,
                  max_prompt_tokens: 64000,
                },
                supports: {
                  streaming: true,
                  tool_calls: true,
                },
              },
            },
            {
              model_picker_enabled: true,
              id: "brand-new",
              name: "Brand New",
              version: "brand-new-2026-04-01",
              capabilities: {
                family: "test",
                limits: {
                  max_context_window_tokens: 32000,
                  max_output_tokens: 8192,
                  max_prompt_tokens: 32000,
                },
                supports: {
                  streaming: true,
                  tool_calls: false,
                },
              },
            },
          ],
        }),
        { status: 200 },
      ),
    ),
  ) as unknown as typeof fetch

  const models = await CopilotModels.get(
    "https://api.githubcopilot.com",
    {},
    {
      "gpt-4o": {
        id: "gpt-4o",
        providerID: "github-copilot",
        api: {
          id: "gpt-4o",
          url: "https://api.githubcopilot.com",
          npm: "@ai-sdk/openai-compatible",
        },
        name: "GPT-4o",
        family: "gpt",
        capabilities: {
          temperature: true,
          reasoning: false,
          attachment: true,
          toolcall: true,
          input: {
            text: true,
            audio: false,
            image: true,
            video: false,
            pdf: false,
          },
          output: {
            text: true,
            audio: false,
            image: false,
            video: false,
            pdf: false,
          },
          interleaved: false,
        },
        cost: {
          input: 0,
          output: 0,
          cache: {
            read: 0,
            write: 0,
          },
        },
        limit: {
          context: 64000,
          output: 16384,
        },
        options: {},
        headers: {},
        release_date: "2024-05-13",
        variants: {},
        status: "active",
      },
    },
  )

  expect(models["gpt-4o"].capabilities.temperature).toBe(true)
  expect(models["brand-new"].capabilities.temperature).toBe(true)
})