diff options
Diffstat (limited to 'test/visitors')
-rw-r--r-- | test/visitors/test_informix.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/visitors/test_informix.rb b/test/visitors/test_informix.rb new file mode 100644 index 0000000000..a8a52a0160 --- /dev/null +++ b/test/visitors/test_informix.rb @@ -0,0 +1,42 @@ +require 'helper' + +module Arel + module Visitors + describe 'the informix visitor' do + before do + @visitor = Informix.new Table.engine + end + + it 'uses LIMIT n to limit results' do + stmt = Nodes::SelectStatement.new + stmt.limit = Nodes::Limit.new(1) + sql = @visitor.accept(stmt) + sql.must_be_like "SELECT LIMIT 1" + end + + it 'uses LIMIT n in updates with a limit' do + stmt = Nodes::UpdateStatement.new + stmt.limit = Nodes::Limit.new(1) + stmt.key = 'id' + sql = @visitor.accept(stmt) + sql.must_be_like "UPDATE NULL WHERE 'id' IN (SELECT LIMIT 1 'id')" + end + + it 'uses SKIP n to jump results' do + stmt = Nodes::SelectStatement.new + stmt.offset = Nodes::Offset.new(10) + sql = @visitor.accept(stmt) + sql.must_be_like "SELECT SKIP 10" + end + + it 'uses SKIP before LIMIT' do + stmt = Nodes::SelectStatement.new + stmt.limit = Nodes::Limit.new(1) + stmt.offset = Nodes::Offset.new(1) + sql = @visitor.accept(stmt) + sql.must_be_like "SELECT SKIP 1 LIMIT 1" + end + + end + end +end |