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Diffstat (limited to 'guides/source/contributing_to_ruby_on_rails.md')
| -rw-r--r-- | guides/source/contributing_to_ruby_on_rails.md | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/guides/source/contributing_to_ruby_on_rails.md b/guides/source/contributing_to_ruby_on_rails.md index 01848bdc11..1beadd78d6 100644 --- a/guides/source/contributing_to_ruby_on_rails.md +++ b/guides/source/contributing_to_ruby_on_rails.md @@ -336,6 +336,26 @@ $ bundle exec ruby -w -Itest test/mail_layout_test.rb -n test_explicit_class_lay The `-n` option allows you to run a single method instead of the whole file. +#### Running tests with a specific seed + +Test execution is randomized with a randomization seed. If you are experiencing random +test failures you can more accurately reproduce a failing test scenario by specifically +setting the randomization seed. + +Running all tests for a component: + +```bash +$ cd actionmailer +$ SEED=15002 bundle exec rake test +``` + +Running a single test file: + +```bash +$ cd actionmailer +$ SEED=15002 bundle exec ruby -w -Itest test/mail_layout_test.rb +``` + #### Testing Active Record First, create the databases you'll need. You can find a list of the required |