{
  lib,
  pkgs,
  ...
}: let
  cilib = import ./../lib {inherit lib pkgs;};
in {
  nixtest.suites."CI Lib" = {
    pos = __curPos;
    tests = let
      inherit (cilib.jobDeps) mkJobDeps;
      inherit (cilib.jobRun) mkJobRun;
      inherit (cilib.jobPatch) mkJobPatched;
      inherit (cilib.pipeline) mkPipeline;
      deps = mkJobDeps {
        key = "test";
        job = {
          nix.deps = [pkgs.hello];
          variables.TEST = "${pkgs.curl}";
        };
      };
    in [
      {
        name = "jobDeps";
        type = "script";
        script =
          # sh
          ''
            export PATH=${lib.makeBinPath [pkgs.gnugrep]}
            grep -q "/nix/store" ${deps}
            grep -q 'hello/bin:$PATH' ${deps}
            grep -q "export TEST=" ${deps}
            grep -q "curl" ${deps}
          '';
      }
      {
        name = "jobRun";
        type = "script";
        script = let
          run = mkJobRun {
            key = "test";
            job.script = ["hello"];
            jobDeps = deps;
          };
        in
          # sh
          ''
            export PATH=${lib.makeBinPath [pkgs.gnugrep]}
            grep -q "sandbox-helper" ${run}/bin/gitlab-ci-job:test
            grep -q "gitlab-ci-job-test-raw" ${run}/bin/gitlab-ci-job:test
            grep -q "gitlab-ci-job-deps-test" ${run.passthru.actualJobScript}
            grep -q "Running script..." ${run.passthru.actualJobScript}
            grep -q "hello" ${run.passthru.actualJobScript}
          '';
      }
      {
        name = "jobPatched nix disabled";
        expected = {};
        actual = mkJobPatched {
          key = "test";
          pipeline_name = "test";
          job.nix.enable = false;
        };
      }
      {
        name = "jobPatched without runner cache";
        expected = {
          after_script = ["finalize_nix_ci"];
          before_script = ["source setup_nix_ci \"gitlab-ci:pipeline:test:job-deps:test\""];
        };
        actual = mkJobPatched {
          key = "test";
          pipeline_name = "test";
          job.nix = {
            enable = true;
            enable-runner-cache = false;
          };
        };
      }
      {
        name = "jobPatched with runner cache";
        expected = {
          after_script = ["finalize_nix_ci"];
          before_script = ["source setup_nix_ci \"gitlab-ci:pipeline:test:job-deps:test\""];
          cache = [
            {
              key = "test";
              paths = [".nix-cache/"];
            }
          ];
          variables."NIX_CI_CACHE_STRATEGY" = "runner";
        };
        actual = mkJobPatched {
          key = "test";
          pipeline_name = "test";
          job.nix = {
            enable = true;
            enable-runner-cache = true;
            runner-cache-key = "test";
          };
        };
      }
      {
        name = "mkPipeline empty";
        expected = {};
        actual =
          (mkPipeline {
            name = "test";
            pipeline.jobs = {};
          }).finalConfig;
      }
      {
        name = "mkPipeline empty packages";
        type = "script";
        script = let
          pipeline = builtins.toFile "pipeline-test" (builtins.toJSON
            (mkPipeline {
              name = "test";
              pipeline.jobs = {};
            }).packages);
        in
          # sh
          ''
            set -euo pipefail
            export PATH=${lib.makeBinPath [pkgs.jq pkgs.gnugrep pkgs.coreutils]}
            # single key
            jq 'keys | length == 1' "${pipeline}" | grep -q true
            # key is exactly "gitlab-ci:pipeline:test"
            jq -r 'keys[0]' "${pipeline}" | grep -qx "gitlab-ci:pipeline:test"
            # value contains "/nix/store/"
            jq -r '.["gitlab-ci:pipeline:test"]' "${pipeline}" | grep -q "/nix/store/"
            # value contains "gitlab-ci-test.yml"
            jq -r '.["gitlab-ci:pipeline:test"]' "${pipeline}" | grep -q "gitlab-ci-test.yml"
            # file only contains "{}"
            [[ "$(cat $(jq -r '.["gitlab-ci:pipeline:test"]' "${pipeline}"))" == "{}" ]]
          '';
      }
    ];
  };
}