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Rewrite `activerecord/RUNNING_UNIT_TESTS` 

`RUNNING_UNIT_TESTS` is written in an unclear and confusing manner. This commit
attempts to correct that.

Thanks to zzak and vipulnsward for feedback.
This commit is contained in:
Jeremy Audet 2013-05-13 13:26:39 -04:00
parent 37ca5b0966
commit 87ac19ebbe
1 changed files with 30 additions and 18 deletions
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48
activerecord/RUNNING_UNIT_TESTS.rdoc
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@ -1,31 +1,43 @@
== Setup
If you don't have the environment set make sure to read
http://edgeguides.rubyonrails.org/contributing_to_ruby_on_rails.html#testing-active-record
If you don't have an environment for running tests, read
http://edgeguides.rubyonrails.org/contributing_to_ruby_on_rails.html#setting-up-a-development-environment
== Running the Tests
You can run a particular test file from the command line, e.g.
To run a specific test:
$ ruby -Itest test/cases/base_test.rb -n method_name
To run a set of tests:
$ ruby -Itest test/cases/base_test.rb
To run a specific test:
You can also run tests that depend upon a specific database backend. For
example:
$ ruby -Itest test/cases/base_test.rb -n test_something_works
$ bundle exec rake test_sqlite3
You can run with a database other than the default you set in test/config.yml, using the ARCONN
environment variable:
Simply executing <tt>bundle exec rake test</tt> is equivalent to the following:
$ bundle exec rake test_mysql
$ bundle exec rake test_mysql2
$ bundle exec rake test_postgresql
$ bundle exec rake test_sqlite3
There should be tests available for each database backend listed in the {Config
File}[rdoc-label:label-Config+File]. (the exact set of available tests is
defined in +Rakefile+)
== Config File
If +test/config.yml+ is present, it's parameters are obeyed. Otherwise, the
parameters in +test/config.example.yml+ are obeyed.
You can override the +connections:+ parameter in either file using the +ARCONN+
(Active Record CONNection) environment variable:
$ ARCONN=postgresql ruby -Itest test/cases/base_test.rb
You can run all the tests for a given database via rake:
$ rake test_mysql
The 'rake test' task will run all the tests for mysql, mysql2, sqlite3 and postgresql.
== Custom Config file
By default, the config file is expected to be at the path test/config.yml. You can specify a
custom location with the ARCONFIG environment variable.
You can specify a custom location for the config file using the +ARCONFIG+
environment variable.