Add tests for custom distance and bearing columns.

test/near_test.rb

@@ -35,6 +35,24 @@ class NearTest < Test::Unit::TestCase
     assert_no_consecutive_comma(result[:select])
   end
 
+  def test_near_scope_options_with_custom_distance_column
+    result = Event.send(:near_scope_options, 1.0, 2.0, 5, :distance_column => 'calculated_distance')
+
+    assert_no_match /AS distance/, result[:select]
+    assert_match /AS calculated_distance/, result[:select]
+    assert_no_match /\bdistance\b/, result[:order]
+    assert_match /calculated_distance/, result[:order]
+    assert_no_consecutive_comma(result[:select])
+  end
+
+  def test_near_scope_options_with_custom_bearing_column
+    result = Event.send(:near_scope_options, 1.0, 2.0, 5, :bearing_column => 'calculated_bearing')
+
+    assert_no_match /AS bearing/, result[:select]
+    assert_match /AS calculated_bearing/, result[:select]
+    assert_no_consecutive_comma(result[:select])
+  end
+
   private
 
   def assert_no_consecutive_comma(string)