See stuff about a Rails app.
There were a few things missing to the included rake stats
RailsStats mainly adds the ability to be run from outside the project in question. This can be helpful if the app you are interested in can not be booted for some reason.
Once the gem is installed you can point the rails-stats executable at any
directory, without setting up a Rakefile. It accepts both absolute and
relative paths:
$ rails-stats /path/to/app $ rails-stats path/to/app
When no path is given it defaults to the current directory:
$ rails-stats
You can also request JSON output by passing json as a second argument:
$ rails-stats path/to/app json
If you prefer rake, there are two ways to reach the same code:
-
From any directory, add a
Rakefilethat requiresrails_statsand call the task with a path:# Rakefile require "rails_stats"
$ rake stats\[/path/to/app/\]
-
Inside your own Rails app, add
rails_statsto yourGemfileto replace the defaultrake statsimplementation (you might need torequire "rails_stats"in yourRakefile), then run:$ bundle exec rake stats
The quickest way is the rails-stats executable, which does not require a
Rakefile:
$ rails-stats /path/to/app Directory: /path/to/app +-----------------------|------------|----------------+ | Name | Total Deps | 1st Level Deps | +-----------------------|------------|----------------+ | simplecov-console | 7 | 3 | | codecov | 5 | 2 | | rails_stats | 4 | 2 | | simplecov | 3 | 3 | | minitest-around | 1 | 1 | | bundler | 0 | 0 | | byebug | 0 | 0 | | minitest | 0 | 0 | | minitest-spec-context | 0 | 0 | +-----------------------|------------|----------------+ Declared Gems 9 Total Gems 18 Unpinned Versions 8 Github Refs 0 +----------------------+---------+---------+---------+---------+---------+-----+-------+ | Name | Files | Lines | LOC | Classes | Methods | M/C | LOC/M | +----------------------+---------+---------+---------+---------+---------+-----+-------+ | Channels | 2 | 8 | 8 | 2 | 0 | 0 | 0 | | Configuration | 19 | 417 | 111 | 1 | 0 | 0 | 0 | | Controllers | 1 | 7 | 6 | 1 | 1 | 1 | 4 | | Helpers | 1 | 3 | 3 | 0 | 0 | 0 | 0 | | Javascripts | 3 | 27 | 7 | 0 | 0 | 0 | 0 | | Jobs | 1 | 7 | 2 | 1 | 0 | 0 | 0 | | Libraries | 1 | 1 | 1 | 0 | 0 | 0 | 0 | | Mailers | 1 | 4 | 4 | 1 | 0 | 0 | 0 | | Model Tests | 2 | 5 | 4 | 2 | 0 | 0 | 0 | | Models | 1 | 3 | 3 | 1 | 0 | 0 | 0 | | Spec Support | 1 | 1 | 1 | 0 | 0 | 0 | 0 | | Test Support | 1 | 1 | 1 | 0 | 0 | 0 | 0 | +----------------------+---------+---------+---------+---------+---------+-----+-------+ | Code | 30 | 477 | 145 | 7 | 1 | 0 | 143 | | Tests | 4 | 7 | 6 | 2 | 0 | 0 | 0 | | Total | 34 | 484 | 151 | 9 | 1 | 0 | 149 | +----------------------+---------+---------+---------+---------+---------+-----+-------+ Code LOC: 145 Test LOC: 6 Code to Test Ratio: 1:0.0 Files: 34
$ for dir in /path/to/many/engines/*/; do rails-stats "$dir"; done
RailsStats understands large Rails monoliths that are organized into packs (via packs-rails) or components (component-based Rails).
When packs or components are detected, rails-stats automatically prints a
breakdown per pack/component, a Core Application section for everything that
lives in the main app, and a Total (all packs) section that aggregates the
whole monolith:
$ rails-stats /path/to/monolith == Core Application == +----------------------+---------+---------+---------+---------+---------+-----+-------+ | Name | Files | Lines | LOC | Classes | Methods | M/C | LOC/M | +----------------------+---------+---------+---------+---------+---------+-----+-------+ | ... | +----------------------+---------+---------+---------+---------+---------+-----+-------+ == Pack: packs/pack1 == +----------------------+---------+---------+---------+---------+---------+-----+-------+ | ... | +----------------------+---------+---------+---------+---------+---------+-----+-------+ == Total (all packs) == +----------------------+---------+---------+---------+---------+---------+-----+-------+ | ... | +----------------------+---------+---------+---------+---------+---------+-----+-------+
A directory is treated as a pack when it contains a package.yml file (the
Packwerk marker) or when it lives directly under a packs/ or components/
directory and holds any of the usual code folders (app, lib, spec,
test). Nested packs (packs/a/packs/b) are supported.
You can also scope stats to a single pack:
$ rails-stats packs/pack1
The same breakdown is available in JSON under a "packs" key:
$ rails-stats . jsonRailsStats adds more coverage than the default.
- Any concepts you've added within an
appdirectory - Configuration files
- Library files
- Gems that you've created and embedded in the project
- Engines and their code
- RSpec/Unit/Cucumber Tests
Here are some open source Rails projects and their output.
$ rails-stats /users/brian/examples/redmine/ +-----------------------|------------|----------------+ | Name | Total Deps | 1st Level Deps | +-----------------------|------------|----------------+ | rails | 62 | 13 | | roadie-rails | 45 | 2 | | actionpack-xml_parser | 41 | 2 | | importmap-rails | 41 | 3 | | propshaft | 41 | 4 | | stimulus-rails | 41 | 1 | | rubocop-rails | 28 | 5 | | rubocop-performance | 15 | 3 | | html-pipeline | 14 | 2 | | rails-dom-testing | 14 | 3 | | rubocop | 14 | 10 | | bullet | 13 | 2 | | capybara | 10 | 8 | | debug | 10 | 2 | | mail | 7 | 4 | | selenium-webdriver | 5 | 5 | | rails_stats | 4 | 2 | | svg_sprite | 4 | 3 | | bundle-audit | 3 | 1 | | listen | 3 | 2 | | net-imap | 3 | 2 | | sanitize | 3 | 2 | | simplecov | 3 | 3 | | mini_magick | 2 | 2 | | net-pop | 2 | 1 | | net-smtp | 2 | 1 | | rbpdf | 2 | 2 | | rqrcode | 2 | 2 | | addressable | 1 | 1 | | i18n | 1 | 1 | | mocha | 1 | 1 | | nokogiri | 1 | 1 | | puma | 1 | 1 | | commonmarker | 0 | 0 | | csv | 0 | 0 | | ffi | 0 | 0 | | marcel | 0 | 0 | | mini_mime | 0 | 0 | | net-ldap | 0 | 0 | | rack | 0 | 0 | | rotp | 0 | 0 | | rouge | 0 | 0 | | rubyzip | 0 | 0 | | tzinfo-data | 0 | 0 | | yard | 0 | 0 | +-----------------------|------------|----------------+ Declared Gems 45 Total Gems 144 Unpinned Versions 19 Github Refs 0 +----------------------+---------+---------+---------+---------+---------+-----+-------+ | Name | Files | Lines | LOC | Classes | Methods | M/C | LOC/M | +----------------------+---------+---------+---------+---------+---------+-----+-------+ | Configuration | 17 | 1090 | 666 | 7 | 14 | 2 | 45 | | Controllers | 57 | 9042 | 6746 | 60 | 554 | 9 | 10 | | Functional Tests | 65 | 35754 | 30234 | 65 | 2104 | 32 | 12 | | Helper Tests | 27 | 5369 | 4090 | 28 | 302 | 10 | 11 | | Helpers | 49 | 7068 | 5168 | 1 | 413 | 413 | 10 | | Integration Tests | 98 | 10349 | 7237 | 104 | 297 | 2 | 22 | | Javascripts | 117 | 6930 | 5362 | 0 | 446 | 0 | 10 | | Job Tests | 2 | 142 | 94 | 2 | 2 | 1 | 45 | | Jobs | 3 | 115 | 90 | 3 | 9 | 3 | 8 | | Libraries | 134 | 18922 | 13178 | 128 | 1167 | 9 | 9 | | Models | 88 | 20110 | 14528 | 110 | 1532 | 13 | 7 | | Other Tests | 19 | 2339 | 1525 | 19 | 98 | 5 | 13 | | Test Support | 16 | 1637 | 1229 | 20 | 142 | 7 | 6 | | Unit Tests | 147 | 37173 | 28642 | 161 | 2778 | 17 | 8 | | Validators | 1 | 29 | 10 | 1 | 1 | 1 | 8 | +----------------------+---------+---------+---------+---------+---------+-----+-------+ | Code | 466 | 63306 | 45748 | 310 | 4136 | 13 | 9 | | Tests | 374 | 92763 | 73051 | 399 | 5723 | 14 | 10 | | Total | 840 | 156069 | 118799 | 709 | 9859 | 13 | 10 | +----------------------+---------+---------+---------+---------+---------+-----+-------+ Code LOC: 45748 Test LOC: 73051 Code to Test Ratio: 1:1.6 Files: 840
If you want to export the details using JSON, you can use this command:
$ rails-stats test/dummy json
Directory: /Users/etagwerker/Projects/redmine
[{"summary":{"declared":45,"unpinned":19,"total":144,"github":0},"gems":[{"name":"rails","total_dependencies":62,"first_level_dependencies":13,"top_level_dependencies":{},"transitive_dependencies":["actioncable (= 7.2.2.1)","actionmailbox (= 7.2.2.1)","actionmailer (= 7.2.2.1)","actionpack (= 7.2.2.1)","actiontext (= 7.2.2.1)","actionview (= 7.2.2.1)","activejob (= 7.2.2.1)","activemodel (= 7.2.2.1)","activerecord (= 7.2.2.1)","activestorage (= 7.2.2.1)","activesupport (= 7.2.2.1)","bundler (>= 1.15.0)","railties (= 7.2.2.1)","nio4r (~> 2.0)","websocket-driver (>= 0.6.1)","zeitwerk (~> 2.6)","nokogiri (>= 1.8.5)","racc (>= 0)","rack (>= 2.2.4, < 3.2)","rack-session (>= 1.0.1)","rack-test (>= 0.6.3)","rails-dom-testing (~> 2.2)","rails-html-sanitizer (~> 1.6)","useragent (~> 0.16)","builder (~> 3.1)","erubi (~> 1.11)","base64 (>= 0)","benchmark (>= 0.3)","bigdecimal (>= 0)","concurrent-ruby (~> 1.0, >= 1.3.1)","connection_pool (>= 2.2.5)","drb (>= 0)","i18n (>= 1.6, < 2)","logger (>= 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(>= 1.0.1)","rack-test (>= 0.6.3)","rails-dom-testing (~> 2.2)","rails-html-sanitizer (~> 1.6)","useragent (~> 0.16)","builder (~> 3.1)","erubi (~> 1.11)","base64 (>= 0)","benchmark (>= 0.3)","bigdecimal (>= 0)","concurrent-ruby (~> 1.0, >= 1.3.1)","connection_pool (>= 2.2.5)","drb (>= 0)","i18n (>= 1.6, < 2)","logger (>= 1.4.2)","minitest (>= 5.1)","securerandom (>= 0.3)","tzinfo (~> 2.0, >= 2.0.5)","loofah (~> 2.21)","crass (~> 1.0.2)","pp (>= 0.6.0)","rdoc (>= 4.0.0)","reline (>= 0.4.2)","prettyprint (>= 0)","erb (>= 0)","psych (>= 4.0.0)","date (>= 0)","stringio (>= 0)","io-console (~> 0.5)","css_parser (~> 1.4)","addressable (>= 0)","public_suffix (>= 2.0.2, < 7.0)"]},{"name":"actionpack-xml_parser","total_dependencies":41,"first_level_dependencies":2,"top_level_dependencies":{},"transitive_dependencies":["actionpack (>= 5.0)","railties (>= 5.0)","actionview (= 7.2.2.1)","activesupport (= 7.2.2.1)","nokogiri (>= 1.8.5)","racc (>= 0)","rack (>= 2.2.4, < 3.2)","rack-session (>= 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(7.2.2.1)","importmap-rails":"importmap-rails (2.1.0)","propshaft":"propshaft (1.1.0)","rails":"rails (7.2.2.1)","railties":"railties (7.2.2.1)","roadie-rails":"roadie-rails (3.3.0)","stimulus-rails":"stimulus-rails (1.3.4)"},"transitive_dependencies":["activesupport (>= 5.0.0)","minitest (>= 0)","nokogiri (>= 1.6)","base64 (>= 0)","benchmark (>= 0.3)","bigdecimal (>= 0)","concurrent-ruby (~> 1.0, >= 1.3.1)","connection_pool (>= 2.2.5)","drb (>= 0)","i18n (>= 1.6, < 2)","logger (>= 1.4.2)","securerandom (>= 0.3)","tzinfo (~> 2.0, >= 2.0.5)","racc (~> 1.4)"]},{"name":"rubocop","total_dependencies":14,"first_level_dependencies":10,"top_level_dependencies":{"rubocop-performance":"rubocop-performance (1.25.0)","rubocop-rails":"rubocop-rails (2.31.0)"},"transitive_dependencies":["json (~> 2.3)","language_server-protocol (~> 3.17.0.2)","lint_roller (~> 1.1.0)","parallel (~> 1.10)","parser (>= 3.3.0.2)","rainbow (>= 2.2.2, < 4.0)","regexp_parser (>= 2.9.3, < 3.0)","rubocop-ast (>= 1.44.0, < 2.0)","ruby-progressbar (~> 1.7)","unicode-display_width (>= 2.4.0, < 4.0)","ast (~> 2.4.1)","racc (>= 0)","prism (~> 1.4)","unicode-emoji (~> 4.0, >= 4.0.4)"]},{"name":"bullet","total_dependencies":13,"first_level_dependencies":2,"top_level_dependencies":{},"transitive_dependencies":["activesupport (>= 3.0.0)","uniform_notifier (~> 1.11)","base64 (>= 0)","benchmark (>= 0.3)","bigdecimal (>= 0)","concurrent-ruby (~> 1.0, >= 1.3.1)","connection_pool (>= 2.2.5)","drb (>= 0)","i18n (>= 1.6, < 2)","logger (>= 1.4.2)","minitest (>= 5.1)","securerandom (>= 0.3)","tzinfo (~> 2.0, >= 2.0.5)"]},{"name":"capybara","total_dependencies":10,"first_level_dependencies":8,"top_level_dependencies":{},"transitive_dependencies":["addressable (>= 0)","matrix (>= 0)","mini_mime (>= 0.1.3)","nokogiri (~> 1.11)","rack (>= 1.6.0)","rack-test (>= 0.6.3)","regexp_parser (>= 1.5, < 3.0)","xpath (~> 3.2)","public_suffix (>= 2.0.2, < 7.0)","racc (~> 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In order to run the tests for this gem:
bundle exec rake test # Running: .. Fabulous run in 0.097903s, 20.4284 runs/s, 142.9987 assertions/s. 2 runs, 14 assertions, 0 failures, 0 errors, 0 skips
- Option to print out by app directory (stats per engine)
- Add views (jbuilder, erb, haml) but don't count towards ratios
- Support JS for projects that have it in public (but not compiled)
- Add CSS but don't count towards ratios
- Output other metrics like number of tables and columns
- Different output formatters