Allow running integration/adapter specs with split_values plugin using SEQUEL_SPLIT_VALUES

Author: jeremyevans

doc/testing.rdoc

@@ -203,6 +203,7 @@ SEQUEL_QUERY_PER_ASSOCIATION_DB_1_URL :: Run query-per-association integration t
 SEQUEL_QUERY_PER_ASSOCIATION_DB_2_URL :: Run query-per-association integration tests with multiple databases (all 4 must be set to run)
 SEQUEL_QUERY_PER_ASSOCIATION_DB_3_URL :: Run query-per-association integration tests with multiple databases (all 4 must be set to run)
 SEQUEL_SPLIT_SYMBOLS :: Turn on symbol splitting when running the adapter and integration specs
+SEQUEL_SPLIT_VALUES :: Use the split_values plugin when running the specs
 SEQUEL_SYNCHRONIZE_SQL :: Use the synchronize_sql extension when running the specs
 SEQUEL_TRANSACTION_CONNECTION_VALIDATOR :: Use the transaction_connection_validator extension when running the adapter/integration specs
 SEQUEL_TZINFO_VERSION :: Force the given tzinfo version when running the specs (e.g. '>=2')

spec/adapters/spec_helper.rb

@@ -22,6 +22,7 @@
 Sequel::Model.plugin :prepared_statements if ENV['SEQUEL_MODEL_PREPARED_STATEMENTS']
 Sequel::Model.plugin :throw_failures if ENV['SEQUEL_MODEL_THROW_FAILURES']
 Sequel::Model.plugin :primary_key_lookup_check_values if ENV['SEQUEL_PRIMARY_KEY_LOOKUP_CHECK_VALUES']
+Sequel::Model.plugin :split_values if ENV["SEQUEL_SPLIT_VALUES"]
 Sequel::Model.use_transactions = false
 Sequel::Model.cache_anonymous_models = false