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Added pull request #151 by @21croissants.

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Ernesto Tagwerker 2014-10-14 09:33:47 -03:00
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@ -359,15 +359,26 @@ DatabaseCleaner[:mongoid].strategy = :truncation
### STDERR is being flooded when using Postgres
If you are using Postgres and have foreign key constraints, the truncation strategy will cause a lot of extra noise to appear on STDERR (in the form of "NOTICE truncate cascades" messages). To silence these warnings set the following log level in your `postgresql.conf` file:
If you are using Postgres and have foreign key constraints, the truncation strategy will cause a lot of extra noise to appear on STDERR (in the form of "NOTICE truncate cascades" messages).
To silence these warnings set the following log level in your `postgresql.conf` file:
```ruby
client_min_messages = warning
```
For ActiveRecord, you add the following parameter in your database.yml file:
<pre>
test:
adapter: postgresql
# ...
min_messages: WARNING
</pre>
### Nothing happens in JRuby with Sequel using transactions
Due to an inconsistency in JRuby's implementation of Fibers, Sequel gives a different connection to `DatabaseCleaner.start` than is used for tests run between `.start` and `.clean`. This can be worked around by running your tests in a block like `DatabaseCleaner.cleaning { run_my_tests }` instead, which does not use Fibers.
Due to an inconsistency in JRuby's implementation of Fibers, Sequel gives a different connection to `DatabaseCleaner.start` than is used for tests run between `.start` and `.clean`. This can be worked around by running your tests in a block like `DatabaseCleaner.cleaning { run_my_tests }` instead, which does not use Fibers.
## Debugging