Setup load testing It's minimal, but useful for future additions. Considering the current trend of malcious crawlers, I believe this is necessary.

Changes

8 changed files (+213/-0)

• DEVELOPMENT.md (new)
  • @@ -0,0 +1,25 @@
    + <!-- + Copyright 2026 Shota FUJI <pockawoooh@gmail.com> + SPDX-License-Identifier: MIT + --> + + # Development + + Commands and tips for developing legit. + + ## Load Testing + + `tests/k6` directory contains `*.js` for [k6](https://grafana.com/oss/k6/), an OSS load testing tool. + + These test files access a test server on localhost:8080. + Run `nix run .#testing` (you need Nix Flakes) or follow steps described in `tests/k6/.gitignore` manually (you need bash, git, and built `legit` binary) to launch the test server. + + Once the test server is ready, pass your desired test file to `k6 run` command. + Nix user can use `nix run .#k6 -- run` without installing k6 manually. + + ## Code Formatting + + This project use [dprint](https://dprint.dev/). + You have to install [`nixfmt`](https://github.com/NixOS/nixfmt) and Go toolchain as well. + + Nix user can run `nix fmt` without installing or configuring anything.
• flake.nix
  • @@ -47,6 +47,25 @@
    default = legit; + testing = + let + repos = pkgs.callPackage ./tests/k6/repos.nix { }; + in + pkgs.writeShellApplication { + name = "legit-testing"; + + text = '' + ${pkgs.lib.getExe legit} -config ${repos}/tests/k6/config.yaml + ''; + + runtimeInputs = with pkgs; [ + git + legit + + repos + ]; + }; + docker = pkgs.dockerTools.buildLayeredImage { name = "sini:5000/legit"; tag = "latest";
  • @@ -65,6 +84,15 @@
    } ); + apps = forAllSystems ( + { system, pkgs }: { + k6 = { + type = "app"; + program = pkgs.lib.getExe pkgs.k6; + }; + } + ); + formatter = forAllSystems ( { system, pkgs }: pkgs.buildFHSEnv {
• tests/k6/.gitignore (new)
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    + # Copyright 2026 Shota FUJI <pockawoooh@gmail.com> + # SPDX-License-Identifier: MIT + + # Test repositories. To manually run test server, run below: + # mkdir repos + # cd repos + # bash ../create_repos.bash + # cd .. + # ../../legit -config config.yaml + /repos
• tests/k6/config.yaml (new)
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    + # Copyright 2026 Shota FUJI <pockawoooh@gmail.com> + # SPDX-License-Identifier: MIT + + repo: + scanPath: repos + readme: + - README.md + mainBranch: + - trunk + + dirs: + templates: ../../templates + static: ../../static + + meta: + title: Legit Load Testing + syntaxHighlight: true + + server: + name: example.com + host: localhost + port: 8080
• tests/k6/create_repos.bash (new)
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    + # create_repos.bash + # Bash script to create sample repos in the current directory. + # + # Copyright 2026 Shota FUJI <pockawoooh@gmail.com> + # SPDX-License-Identifier: MIT + + # Usage + # cd test_dir + # bash /path/to/create_repos.bash + + set -e + + # To get deterministic output. + export GIT_CONFIG_GLOBAL=/dev/null + export GIT_CONFIG_SYSTEM=/dev/null + export GIT_COMMITTER_DATE="2026-06-30T09:00:00+09:00" + + GIT_FLAGS=( + "-c" "user.name=Alice" + "-c" "user.email=alice@example.com" + "-c" "init.defaultBranch=trunk" + ) + + # foo - basic sample + git ${GIT_FLAGS[@]} init foo + + cat <<EOF > foo/README.md + # Foo + + This is foo. + I'm [Markdown](https://commonmark.org/) file for *load* **testing**. + + ``` + This file is to test Markdown rendering performance of summary page. + ``` + + * longer + * the + * contents + * and + * more + + readable + + comparable + * output + EOF + git ${GIT_FLAGS[@]} -C foo add README.md + git ${GIT_FLAGS[@]} -C foo commit \ + -m "Add README" \ + --date "2026-06-06T12:00:00+09:00" + + cat <<EOF > foo/main.go + package main + + import ( + "fmt" + ) + + func main() { + fmt.Println("Hello, World!") + } + EOF + git ${GIT_FLAGS[@]} -C foo add main.go + git ${GIT_FLAGS[@]} -C foo commit \ + -m "Create Go application entrypoint" \ + --date "2026-06-06T12:01:00+09:00" + + git clone --bare foo foo.git + rm -rf foo
• tests/k6/repos.nix (new)
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    + # Copyright 2026 Shota FUJI <pockawoooh@gmail.com> + # SPDX-License-Identifier: MIT + + { + lib, + stdenv, + bash, + git, + }: + stdenv.mkDerivation { + name = "legit-test-repos"; + + src = lib.fileset.toSource { + root = ../../.; + fileset = lib.fileset.unions [ + ./create_repos.bash + ./config.yaml + ../../static + ../../templates + ]; + }; + + postInstall = '' + mkdir -p $out/tests/k6/repos + cd $out/tests/k6/repos + bash $src/tests/k6/create_repos.bash + ln -s $src/tests/k6/config.yaml $out/tests/k6/config.yaml + ln -s $src/static $out/static + ln -s $src/templates $out/templates + ''; + + nativeBuildInputs = [ + bash + git + ]; + }
• tests/k6/spam_repo_list.js (new)
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    + // Copyright 2026 Shota FUJI <pockawoooh@gmail.com> + // SPDX-License-Identifier: MIT + + import http from "k6/http"; + + export const options = { + iterations: 10, + }; + + export default function() { + http.get("http://localhost:8080"); + }
• tests/k6/spam_repo_summary.js (new)
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    + // Copyright 2026 Shota FUJI <pockawoooh@gmail.com> + // SPDX-License-Identifier: MIT + + import http from "k6/http"; + + export const options = { + iterations: 10, + }; + + export default function() { + http.get("http://localhost:8080/foo.git"); + }