adding a "not" factory method for creating Not nodes

1 files changed, 20 insertions, 0 deletions

diff --git a/test/nodes/test_not.rb b/test/nodes/test_not.rb
new file mode 100644
index 0000000000..7dffdea0c8
--- /dev/null
+++ b/test/nodes/test_not.rb
@@ -0,0 +1,20 @@
+require 'helper'
+
+module Arel
+  module Nodes
+    describe 'not' do
+      describe '#not' do
+        it 'makes a NOT node' do
+          attr = Table.new(:users)[:id]
+          left  = attr.eq(10)
+          right = attr.eq(11)
+          node  = left.or right
+          node.expr.left.must_equal left
+          node.expr.right.must_equal right
+
+          knot = node.or(right).not
+        end
+      end
+    end
+  end
+end