// Commands Unit Tests — isLspCommand(), listCommands().
import { describe, it } from "node:test";
import * as assert from "node:assert/strict";
import { isLspCommand, listCommands } from "../../src/commands.ts";

describe("listCommands", () => {
  it("returns all known commands", () => {
    const cmds = listCommands();
    assert.ok(Array.isArray(cmds));
    assert.ok(cmds.includes("hover"));
    assert.ok(cmds.includes("definition"));
    assert.ok(cmds.includes("references"));
    assert.ok(cmds.includes("completion"));
    assert.ok(cmds.includes("documentSymbol"));
    assert.ok(cmds.includes("diagnostics"));
  });
});

describe("isLspCommand", () => {
  it("returns true for known commands", () => {
    assert.strictEqual(isLspCommand("hover"), true);
    assert.strictEqual(isLspCommand("definition"), true);
    assert.strictEqual(isLspCommand("references"), true);
    assert.strictEqual(isLspCommand("completion"), true);
    assert.strictEqual(isLspCommand("documentSymbol"), true);
    assert.strictEqual(isLspCommand("diagnostics"), true);
  });

  it("returns false for unknown strings", () => {
    assert.strictEqual(isLspCommand("format"), false);
    assert.strictEqual(isLspCommand(""), false);
    assert.strictEqual(isLspCommand("hover "), false);
  });
});