spec/unit/intersection_spec.rb in lhm-2.1.0 vs spec/unit/intersection_spec.rb in lhm-2.2.0

@@ -7,33 +7,45 @@
 require 'lhm/migrator'
 
 describe Lhm::Intersection do
   include UnitHelper
 
-  it "should not have dropped changes" do
-    origin = Lhm::Table.new("origin")
-    origin.columns["dropped"]  = varchar
-    origin.columns["retained"] = varchar
+  it 'should not have dropped changes' do
+    origin = Lhm::Table.new('origin')
+    origin.columns['dropped']  = varchar
+    origin.columns['retained'] = varchar
 
-    destination = Lhm::Table.new("destination")
-    destination.columns["retained"] = varchar
+    destination = Lhm::Table.new('destination')
+    destination.columns['retained'] = varchar
 
     intersection = Lhm::Intersection.new(origin, destination)
-    intersection.common.include?("dropped").must_equal(false)
+    intersection.destination.include?('dropped').must_equal(false)
   end
 
-  it "should have unchanged columns" do
-    origin = Lhm::Table.new("origin")
-    origin.columns["dropped"]  = varchar
-    origin.columns["retained"] = varchar
+  it 'should have unchanged columns' do
+    origin = Lhm::Table.new('origin')
+    origin.columns['dropped']  = varchar
+    origin.columns['retained'] = varchar
 
-    destination = Lhm::Table.new("destination")
-    destination.columns["retained"] = varchar
+    destination = Lhm::Table.new('destination')
+    destination.columns['retained'] = varchar
 
     intersection = Lhm::Intersection.new(origin, destination)
-    intersection.common.must_equal(["retained"])
+    intersection.destination.must_equal(['retained'])
   end
 
+  it 'should have renamed columns' do
+    origin = Lhm::Table.new('origin')
+    origin.columns['old_name']  = varchar
+
+    destination = Lhm::Table.new('destination')
+    destination.columns['new_name'] = varchar
+
+    intersection = Lhm::Intersection.new(origin, destination, { 'old_name' => 'new_name' })
+    intersection.origin.must_equal(['old_name'])
+    intersection.destination.must_equal(['new_name'])
+  end
+
   def varchar
-    { :metadata => "VARCHAR(255)"}
+    { :metadata => 'VARCHAR(255)' }
   end
 end