fix acceptance tests to actually use default strategy, now that :truncation is no longer a safe default for all adapters.

examples/features/support/env.rb

@@ -47,16 +47,22 @@ if orm && strategy
 
     case orm_sym
     when :redis
-      DatabaseCleaner[orm_sym, db: ENV['REDIS_URL_ONE']].strategy = strategy.to_sym
-      DatabaseCleaner[orm_sym, db: ENV['REDIS_URL_TWO']].strategy = strategy.to_sym
+      cleaner = DatabaseCleaner[orm_sym, db: ENV['REDIS_URL_ONE']]
+      cleaner.strategy = strategy.to_sym unless strategy == "default"
+      cleaner = DatabaseCleaner[orm_sym, db: ENV['REDIS_URL_TWO']]
+      cleaner.strategy = strategy.to_sym unless strategy == "default"
     when :active_record
-      DatabaseCleaner[:active_record, db: ActiveRecordWidgetUsingDatabaseOne].strategy = strategy.to_sym
-      DatabaseCleaner[:active_record, db: ActiveRecordWidgetUsingDatabaseTwo].strategy = strategy.to_sym
+      cleaner = DatabaseCleaner[:active_record, db: ActiveRecordWidgetUsingDatabaseOne]
+      cleaner.strategy = strategy.to_sym unless strategy == "default"
+      cleaner = DatabaseCleaner[:active_record, db: ActiveRecordWidgetUsingDatabaseTwo]
+      cleaner.strategy = strategy.to_sym unless strategy == "default"
     end
 
   elsif another_orm
-    DatabaseCleaner[        orm.gsub(/(.)([A-Z]+)/,'\1_\2').downcase.to_sym].strategy = strategy.to_sym
-    DatabaseCleaner[another_orm.gsub(/(.)([A-Z]+)/,'\1_\2').downcase.to_sym].strategy = strategy.to_sym
+    cleaner = DatabaseCleaner[        orm.gsub(/(.)([A-Z]+)/,'\1_\2').downcase.to_sym]
+    cleaner.strategy = strategy.to_sym unless strategy == "default"
+    cleaner = DatabaseCleaner[another_orm.gsub(/(.)([A-Z]+)/,'\1_\2').downcase.to_sym]
+    cleaner.strategy = strategy.to_sym unless strategy == "default"
   else
     DatabaseCleaner.strategy = strategy.to_sym unless strategy == "default"
   end

features/cleaning.feature

@@ -15,4 +15,4 @@ Feature: database cleaning
     | ActiveRecord | transaction |
     | ActiveRecord | truncation  |
     | ActiveRecord | deletion    |
-    | Redis        | truncation  |
+    | Redis        | deletion    |

features/cleaning_multiple_dbs.feature

@@ -15,5 +15,5 @@ Feature: multiple database cleaning
     | ActiveRecord | truncation  |
     | ActiveRecord | deletion    |
     | ActiveRecord | transaction |
-    | Redis        | truncation  |
+    | Redis        | deletion    |
 

features/cleaning_multiple_orms.feature

@@ -5,7 +5,6 @@ Feature: database cleaning using multiple ORMs
 
   Scenario Outline: ruby app with adapter gems
     Given I am using <ORM1> and <ORM2> from their adapter gems
-
     When I run my scenarios that rely on clean databases using multiple orms
     Then I should see all green
 

features/support/env.rb

@@ -22,7 +22,7 @@ class FeatureRunner
   attr_accessor :output
 
   def strategy
-    @strategy || 'truncation'
+    @strategy ||= "default"
   end
 
   def go(feature)