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Sufia Development Guide

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Jonathan Rochkind edited this page Apr 13, 2017 · 35 revisions

The Sufia Development Guide is for people who want to modify Sufia itself. See the Sufia Management Guide for guidance on how to configure and set up a Sufia-based application.

Grab an issue

If you're interested in picking up an issue in Sufia, feel free to look over the issues marked "ready" in GitHub (or browse the "Ready" column in Sufia's waffle board). When you find an issue you'd like to work on, please do assign yourself the issue in GitHub. This is an important step that signals to other developers that you're working on the issue and that they shouldn't pick it up too.

Setup development environment

Since Sufia is a Rails engine, in order to develop/test new Sufia UI features you'll want to test/demo Rails application (based on Sufia). Luckily, Sufia comes with its own test application which can be used for this purpose. This section walks you through the basics of setting up that test application for development (and testing).

Development prerequisites

First off, you need to have Sufia installed (obviously):

  • Make sure all of Sufia's basic prerequisites are running.
  • Additional prerequisite for tests: PhantomJS.
  • Git clone the Sufia repo, use latest stable Ruby (2.3.1), run bundle install.

Generate test app

The test application (<sufia directory>/.internal_test_app) can be used both for UI development, as well as for running the test suite.

NOTE: Run this only once.

cd <sufia directory>
rake engine_cart:generate

This generates the test Sufia application in the <sufia directory>/.internal_test_app directory. You should not have to regenerate the test app unless you pull in code changes from the master branch, or start working on a new feature or bug.

Work with test app in the browser

In order to do UI development, you'll want to load the Sufia test app (<sufia directory>/.internal_test_app) in your browser.

This section assumes that you have generated the test app via rake engine_cart:generate.

  1. Only if you are using ActiveFedora earlier than 9.13, you need to copy some configuration files. Check your ActiveFedora version with cd .internal_test_app; bundle show active-fedora. If it's 9.13 or higher, you can skip these steps, go on to step 2.

    1. Verify that ActiveFedora has installed the development templates by looking for .internal_test_app/config/solr_wrapper_test.yml. (Note: ActiveFedora was first released with this change in version 9.13.10. If the file exists skip to step 3.)

    2. Copy the templates from ActiveFedora

      If you don't have the files you will need to copy them each time you regenerate the test application. This step is a bit hacky and the fixed was added to ActiveFedora in c8309ae.

    3. Get the following dev environment-related files from ActiveFedora and put them in .internal_test_app/: * .fcrepo_wrapper * .solr_wrapper

      Note: These two files are dot files and are not visible unless you add the -a flag to ls.

    4. Get the following test environment-related files from ActiveFedora and put them in .internal_test_app/config:

  2. Run SolrWrapper in development mode. SolrWrapper picks up configuration from the .solr_wrapper file. By default ActiveFedora installs a configuration file (to .internal_test_app/.solr_wrapper) that starts Solr on port 8983.

  3. Open a terminal

  4. cd <sufia directory>\.internal_test_app

  5. solr_wrapper

  6. Run FcrepoWrapper in development mode. FcrepoWrapper picks up configuration from the .fcrepo_wrapper file. By default ActiveFedora installs a configuration file (to .internal_test_app/.fcrepo_wrapper) that starts Fedora on port 8984.

  7. Open a terminal

  8. cd <sufia directory>\.internal_test_app

  9. fcrepo_wrapper

  10. Run the Rails server in development mode

  11. Open a terminal

  12. cd <sufia directory>\.internal_test_app

  13. rails server

  14. View the app by opening localhost:3000 in a web browser.

  15. Optionally, if you want to use Sufia's Administrative functionality, you'll need to make admin users in Sufia from within your test application directory (<sufia directory>\.internal_test_app)

  16. You can now begin develop new features in Sufia (by modifying/adding code in your <sufia directory>), and test them out immediately in your web browser. In many cases any changes you make will take immediate effect. But, on occasion, you may find you'll need to restart the Rails server (see step 5 above).

Cleaning up

  1. To stop the development Fedora and Solr servers, press CTRL-C in the terminal windows in which they are running
  2. To clean out the data in Solr & Fedora
  3. cd <sufia directory>\.internal_test_app
  4. fcrepo_wrapper clean
  5. solr_wrapper clean

Run the test suite

Test prerequisites

Before running the test suite, you need to be sure you've initialized your development environment using these instructions:

Run the wrappers

Note: DO NOT USE FOR PRODUCTION. Note: You'll need separate terminal windows/tabs for each wrapper.

Wrapper Method 1

From <sufia directory>/.internal_test_app, if you have config/solr_wrapper_test.yml and config/fcrepo_wrapper_test.yml (see Work with test app in the browser for more info), run:

solr_wrapper -v --config config/solr_wrapper_test.yml
fcrepo_wrapper -v --config config/fcrepo_wrapper_test.yml # separate window/tab

Wrapper Method 2

From <sufia directory>/ (not .internal_test_app):

solr_wrapper -v -d solr/config/ -n hydra-test -p 8985
fcrepo_wrapper -v -p 8986 --no-jms # separate window/tab

Run tests

Run entire suite:

cd <sufia directory>
rake spec

Run a single spec:

rspec path/to/filel_spec.rb

Run jasmine server:

rake jasmine

Access the jasmine server at port 8888. Note rspec's jasmine spec won't run any jasmine file with syntax errors. It does report the the number of specs run; pay attention to that number if you're doing js tests. Insert debug into your test file to do browser debugging on the test itself. If you're working on a remote box, add

rack_options:
  Host: 0.0.0.0

in spec/javascripts/support/jasmine.yml

Run Rubocop style checker:

rubocop

If Rubocop finds style violations, you can ask it to try automatically fixing them. We recommend committing all work prior to running this command, though, as sometimes Rubocop will create breaking changes:

rubocop -a

Troubleshooting / Testing FAQ

The generated test app isn't doing what I expected after making (and/or pulling) changes to Sufia. What can I do?

Generally, engine_cart will pick up changes to Sufia. If not, try the following to regenerate a clean test app:

cd <sufia directory>
rm -rf .internal_test_app Gemfile.lock
bundle install
rake engine_cart:generate

Where is hydra-jetty/its rake tasks?

It was retired. Solr and Fedora now run individually; see Run the wrappers.

How do I verify that Solr is running?

In a web browser, check localhost:8985. You should see an instance of Solr with a Solr core name of hydra-test

How do I verify that that Fedora is running?

In a web browser, check localhost:8986. You should see the Fedora splash page.

Hey, those ports (8985/8986) look different from what I expected!

Only because they are! Now that we use solr_wrapper and fcrepo_wrapper instead of hydra-jetty, which bundled test and dev environments together and was occasionally problematic, test and dev instances of Solr and Fedora now run on separate ports. If you want to run the test suite, use the ports above (8985 for Solr and 8986 for Fedora). If you want to check out Sufia in your browser, use port 8983 for Solr and port 8984 for Fedora as stated in Solr and Fedora.

How do I run the test coverage report?

Just let Travis-CI handle this when you submit your PR. But if you really want to run it locally:

COVERAGE=true rspec

Can't you simplify this?

Yes. You can run everything (including the Fedora and Solr wrappers) using the default rake task, like so:

rake

(Note that the default task in Sufia is the ci task, so running the above command is the same as running rake ci.)

But note that if you're actively working on a feature or a bug fix, you will likely not want to use this task repeatedly because it's remarkably slower than rspec.

I've pushed my branch, which passed locally, to GitHub and the build failed on Travis-CI. What gives? I need to be able to reproduce this locally to get my branch merged.

The three most common situations here are:

  • Your test application is stale. Regenerate it.
  • Travis-CI picked up a newer version of a dependency than you have. Delete your local Gemfile.lock, run bundle install again, and regenerate the test application.
  • A new version of bundler came out. Upgrade the version of bundler via gem update bundler and then run bundle install and regenerate the test application.
  • A new version of Rubygems came out. Upgrade it via gem update --system and then run bundle install and regenerate the test application.

Start servers individually for development

Solr

If you already have an instance of Solr that you would like to use, you may skip this step. Open a new terminal window and type:

solr_wrapper -d solr/config/ --collection_name hydra-development

You can check to see if Solr is started by going to localhost:8983.

Fedora

If you already have an instance of Fedora that you would like to use, you may skip this step. Open a new terminal window and type:

fcrepo_wrapper -p 8984

You can check to see if Fedora is started by going to localhost:8984.

Rails

To test-drive your new Sufia application, spin up the web server that Rails provides:

rails server

Install problems

If installing Sufia results in errors that look like ERROR -- : fsevent: running worker failed: Resource temporarily unavailable, you may include --skip-listen among the arguments to rails new. That should get you past these errors. NOTE: we do not recommend passing this argument when generating your Sufia application unless you understand what the ramifications of this are.

Change validation behavior

To change what happens to files that fail validation add an after_validation hook:

after_validation :dump_infected_files

def dump_infected_files
  if Array(errors.get(:content)).any? { |msg| msg =~ /A virus was found/ }
    content.content = errors.get(:content)
    save
  end
end

Regenerating the README TOC

Install the gh-md-toc tool, then ensure your README changes are up on GitHub, and then run:

gh-md-toc https://github.com/USERNAME/sufia/blob/BRANCH/README.md

That will print to stdout the new TOC, which you can copy into README.md, commit, and push.

Learn more about Sufia!

Clone this wiki locally