/**
 * Tests the rollout command builder without touching a remote host.
 * The guard is a shell command, so these checks pin the safety-critical text.
 */

import { expect, test } from "bun:test";

import { buildRolloutCommand } from "./rollout";

/** Builds the smallest complete rollout input for command rendering tests. */
function rolloutInput(allowEmptyRepositories: boolean) {
  return {
    allowEmptyRepositories,
    composeEnvFilePath: "compose.env",
    composeFilePath: "compose.yaml",
    dockerhubPullTokenFilePath: "dockerhub.pull.token",
    dockerhubUsername: "kaychaks",
    knotEnvFilePath: "knot.env",
  };
}

test("rollout guard refuses an unexpected empty repository directory", () => {
  const command = buildRolloutCommand(rolloutInput(false));

  expect(command).toContain("allow_empty_repositories=0");
  expect(command).toContain("repository_count=$(find /opt/knot/repositories");
  expect(command).toContain(
    "Refusing rollout: /opt/knot/repositories is empty while /opt/knot/server/knotserver.db exists.",
  );
  expect(command).toContain("KNOT_ROLLOUT_ALLOW_EMPTY_REPOSITORIES=1");
});

test("rollout guard renders the explicit empty-repository override", () => {
  const command = buildRolloutCommand(rolloutInput(true));

  expect(command).toContain("allow_empty_repositories=1");
});