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Merge pull request #10601 from Ichimonji10/fix-docs

Rewrite  `activerecord/RUNNING_UNIT_TESTS.rdoc`
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2 parents e2f3e50 + 87ac19e commit 5db56659f3145400fdfcde62e94394941a0a3d5e @rafaelfranca rafaelfranca committed May 15, 2013
Showing with 27 additions and 15 deletions.
  1. +27 −15 activerecord/RUNNING_UNIT_TESTS.rdoc
@@ -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:
- $ ARCONN=postgresql ruby -Itest test/cases/base_test.rb
+ $ bundle exec rake test_mysql
+ $ bundle exec rake test_mysql2
+ $ bundle exec rake test_postgresql
+ $ bundle exec rake test_sqlite3
-You can run all the tests for a given database via rake:
+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+)
- $ rake test_mysql
+== Config File
-The 'rake test' task will run all the tests for mysql, mysql2, sqlite3 and postgresql.
+If +test/config.yml+ is present, it's parameters are obeyed. Otherwise, the
+parameters in +test/config.example.yml+ are obeyed.
-== Custom Config file
+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
-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.

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