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-rw-r--r--activerecord/test/models/electron.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/activerecord/test/models/electron.rb b/activerecord/test/models/electron.rb
new file mode 100644
index 0000000000..902006b314
--- /dev/null
+++ b/activerecord/test/models/electron.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class Electron < ActiveRecord::Base
+ belongs_to :molecule
+
+ validates_presence_of :name
+end