Remove `engine` from `TreeManager` and subclasses

This constructor parameter was unused for everything except the
convenience methods `to_sql` and `where_sql`. We can pass the engine
into those methods directly.

1 files changed, 5 insertions, 5 deletions

diff --git a/test/test_delete_manager.rb b/test/test_delete_manager.rb
index fd12c5acd2..b16b52cb9e 100644
--- a/test/test_delete_manager.rb
+++ b/test/test_delete_manager.rb
@@ -4,21 +4,21 @@ module Arel
   describe 'delete manager' do
     describe 'new' do
       it 'takes an engine' do
-        Arel::DeleteManager.new Table.engine
+        Arel::DeleteManager.new
       end
     end
 
     describe 'from' do
       it 'uses from' do
         table = Table.new(:users)
-        dm = Arel::DeleteManager.new Table.engine
+        dm = Arel::DeleteManager.new
         dm.from table
         dm.to_sql.must_be_like %{ DELETE FROM "users" }
       end
 
       it 'chains' do
         table = Table.new(:users)
-        dm = Arel::DeleteManager.new Table.engine
+        dm = Arel::DeleteManager.new
         dm.from(table).must_equal dm
       end
     end
@@ -26,7 +26,7 @@ module Arel
     describe 'where' do
       it 'uses where values' do
         table = Table.new(:users)
-        dm = Arel::DeleteManager.new Table.engine
+        dm = Arel::DeleteManager.new
         dm.from table
         dm.where table[:id].eq(10)
         dm.to_sql.must_be_like %{ DELETE FROM "users" WHERE "users"."id" = 10}
@@ -34,7 +34,7 @@ module Arel
 
       it 'chains' do
         table = Table.new(:users)
-        dm = Arel::DeleteManager.new Table.engine
+        dm = Arel::DeleteManager.new
         dm.where(table[:id].eq(10)).must_equal dm
       end
     end