test/pluck_test.rb in hario-0.3.0 vs test/pluck_test.rb in hario-0.3.1

@@ -14,6 +14,25 @@
     products = Product.search(nil, ["name", "brand.name"])
 
     assert_equal ["id", "name", "brands.name"], products.flat_map(&:keys).uniq,
         "Pluck not returning correct attributes with association pluck"
   end
-end
\ No newline at end of file
+
+  def test_hidden_column_pluck
+    assert_raises Hario::PluckParser::InvalidAttributeError do
+      Product.search(nil, %w( hidden_column ))
+    end
+  end
+
+  def test_hidden_column_pluck_with_join
+    assert_raises Hario::PluckParser::InvalidAttributeError do
+      Brand.search(nil, %w( products.hidden_column ))
+    end
+  end
+
+  def test_empty_string_ignored
+    Product.search(nil, [""])
+
+    # no exception
+    assert true
+  end
+end