opencode

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189import { test } from "node:test";
import assert from "node:assert/strict";
import { inventory, parseAgents, parseModels, parseSkills } from "./cli.ts";
import { fakeApi } from "../sdk/testing.ts";
import { testRuntime } from "./testing.test.ts";
import { obj } from "./map.ts";

/// Captured from `opencode models --verbose` on 1.18.29, shortened to the
/// fields the plugin reads.
const MODELS = `opencode/big-pickle
{
  "id": "big-pickle",
  "providerID": "opencode",
  "name": "Big Pickle",
  "limit": {
    "context": 200000,
    "input": 160000
  },
  "release_date": "2025-10-17",
  "variants": {}
}
openai/gpt-5.1-codex
{
  "id": "gpt-5.1-codex",
  "providerID": "openai",
  "name": "GPT-5.1 Codex",
  "limit": {
    "context": 400000
  },
  "release_date": "2026-01-04",
  "variants": {
    "high": {},
    "low": {},
    "medium": {}
  }
}
openrouter/qwen/qwen3-coder
{
  "id": "qwen/qwen3-coder",
  "providerID": "openrouter",
  "name": "Qwen3 Coder",
  "variants": {}
}
`;

test("models are grouped by the provider of their header", () => {
  const catalog = parseModels(MODELS);
  assert.deepEqual(
    catalog.providers.map((provider) => provider.id),
    ["opencode", "openai", "openrouter"],
  );
  const openai = catalog.providers[1];
  assert.ok(openai);
  const raw = openai.models["gpt-5.1-codex"];
  assert.ok(raw);
  const model = obj(raw);
  assert.equal(model["name"], "GPT-5.1 Codex");
  assert.equal(obj(model["limit"])["context"], 400000);
  assert.equal(model["release_date"], "2026-01-04");
  const variants = model["variants"];
  assert.deepEqual(Object.keys(variants && typeof variants === "object" ? variants : {}).sort(), [
    "high",
    "low",
    "medium",
  ]);
  // The CLI has no display name for a provider, so the id stands in.
  assert.equal(openai.name, "openai");
});

test("a model id with a slash survives, and so does its JSON", () => {
  const openrouter = parseModels(MODELS).providers.find((provider) => provider.id === "openrouter");
  assert.deepEqual(Object.keys(openrouter?.models ?? {}), ["qwen/qwen3-coder"]);
});

test("single-line model bodies parse too; empty or unreadable output yields no models", () => {
  const catalog = parseModels('anthropic/claude\n{"id":"claude","providerID":"anthropic","name":"Claude"}\n');
  assert.equal(catalog.providers.length, 1);
  assert.ok(catalog.providers[0]?.models["claude"]);
  assert.deepEqual(parseModels("").providers, []);
  assert.deepEqual(parseModels("opencode/broken\n{not json}\n").providers, []);
});

/// Captured from `opencode agent list` on 1.18.29: a header line, then the
/// agent's permission rules, whose closing bracket sits in column 0.
const AGENTS = `build (primary)
  [
  {
    "permission": "*",
    "action": "allow",
    "pattern": "*"
  }
]
explore (subagent)
  [
  {
    "permission": "read",
    "action": "allow",
    "pattern": "*"
  }
]
code reviewer (subagent)
  []
`;

test("agents come from the header lines only", () => {
  const agents = parseAgents(AGENTS);
  // A name may contain a space, and the rule bodies are not agents.
  assert.deepEqual(
    agents.map((agent) => [agent.name, agent.mode]),
    [
      ["build", "primary"],
      ["explore", "subagent"],
      ["code reviewer", "subagent"],
    ],
  );
  assert.ok(
    agents.every((agent) => !agent.hidden),
    "the command line does not report hidden agents",
  );
});

test("skill entries drop the body, and output cut at a pipe buffer is named as such", () => {
  const skills = parseSkills(
    JSON.stringify([
      {
        name: "review",
        description: "Review a change.",
        location: "/w/.opencode/skills/review/SKILL.md",
        content: "---\nname: review\n---\n",
      },
      {
        name: "customize-opencode",
        description: "Edit opencode configuration.",
        location: "<built-in>",
        content: "...",
      },
    ]),
  );
  assert.deepEqual(skills, [
    { name: "review", description: "Review a change.", location: "/w/.opencode/skills/review/SKILL.md" },
    { name: "customize-opencode", description: "Edit opencode configuration.", location: "<built-in>" },
  ]);
  // Bun flushes exactly one 64 KiB buffer to a pipe: `debug skill` arrives
  // as 65536 bytes of a longer document.
  const cut = `[${JSON.stringify({ name: "x", content: "y".repeat(70_000) })}]`.slice(0, 65_536);
  assert.throws(() => parseSkills(cut), /cut at 65536 bytes/);
  assert.throws(() => parseSkills("[{"), /decoding the output/);
});

test("the inventory runs the commands one at a time, in the workspace, and reports an empty catalog", async () => {
  const runs: [string, string, string | undefined][] = [];
  const api = fakeApi({
    onSpawn: (program, args, options) => {
      runs.push([program, args.join(" "), options.cwd]);
      return undefined;
    },
  });
  const spawn = api.process.spawn;
  api.process.spawn = async (program, args = [], options = {}) => {
    const child = await spawn(program, args, options);
    const peer = api.peers.at(-1);
    assert.ok(peer);
    queueMicrotask(() => {
      peer.stdout.push(args[0] === "models" ? MODELS : AGENTS);
      peer.exit(0);
    });
    return child;
  };
  const { run } = testRuntime(api);
  const found = await run(inventory("opencode", "/w"));
  assert.deepEqual(runs, [
    ["opencode", "models --verbose", "/w"],
    ["opencode", "agent list", "/w"],
  ]);
  assert.equal(found.providers.providers.length, 3);
  assert.equal(found.agents[0]?.name, "build");

  api.process.spawn = async (program, args = [], options = {}) => {
    const child = await spawn(program, args, options);
    const peer = api.peers.at(-1);
    assert.ok(peer);
    queueMicrotask(() => {
      peer.stdout.push("no models here\n");
      peer.exit(0);
    });
    return child;
  };
  await assert.rejects(run(inventory("opencode", "/w")), /listed no models; run `opencode auth login` first/);
});