From 73f8d385971cf8244aec73d526bf9e7d17955a47 Mon Sep 17 00:00:00 2001
From: Roel van der Hoorn <vanderhoorn@gmail.com>
Date: Fri, 7 Feb 2014 19:41:11 +0100
Subject: Add tests for Nodes::Equality and Nodes::NotEqual to the ToSql class.

---
 test/visitors/test_to_sql.rb | 35 +++++++++++++++++++++++++----------
 1 file changed, 25 insertions(+), 10 deletions(-)

(limited to 'test')

diff --git a/test/visitors/test_to_sql.rb b/test/visitors/test_to_sql.rb
index 34d3459a27..35effd4105 100644
--- a/test/visitors/test_to_sql.rb
+++ b/test/visitors/test_to_sql.rb
@@ -92,7 +92,14 @@ module Arel
         assert_equal 'omg(*, *)', @visitor.accept(function)
       end
 
-      describe 'equality' do
+      describe 'Nodes::Equality' do
+        it "should escape strings" do
+          test = Table.new(:users)[:name].eq 'Aaron Patterson'
+          @visitor.accept(test).must_be_like %{
+            "users"."name" = 'Aaron Patterson'
+          }
+        end
+
         it 'should handle false' do
           sql = @visitor.accept Nodes::Equality.new(false, false)
           sql.must_be_like %{ 'f' = 'f' }
@@ -103,6 +110,23 @@ module Arel
           sql = @visitor.accept Nodes::Equality.new(table[:id], '1-fooo')
           sql.must_be_like %{ "users"."id" = 1 }
         end
+
+        it 'should handle nil' do
+          sql = @visitor.accept Nodes::Equality.new(@table[:name], nil)
+          sql.must_be_like %{ "users"."name" IS NULL }
+        end
+      end
+
+      describe 'Nodes::NotEqual' do
+        it 'should handle false' do
+          sql = @visitor.accept Nodes::NotEqual.new(@table[:active], false)
+          sql.must_be_like %{ "users"."active" != 'f' }
+        end
+
+        it 'should handle nil' do
+          sql = @visitor.accept Nodes::NotEqual.new(@table[:name], nil)
+          sql.must_be_like %{ "users"."name" IS NOT NULL }
+        end
       end
 
       it "should visit string subclass" do
@@ -412,15 +436,6 @@ module Arel
         end
       end
 
-      describe 'Equality' do
-        it "should escape strings" do
-          test = Table.new(:users)[:name].eq 'Aaron Patterson'
-          @visitor.accept(test).must_be_like %{
-            "users"."name" = 'Aaron Patterson'
-          }
-        end
-      end
-
       describe 'Constants' do
         it "should handle true" do
           test = Table.new(:users).create_true
-- 
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