Add test case to test enum in has_many

There is test in has_one to test enum, but there is no for has_many.

[Rich Chen]

1 files changed, 22 insertions, 0 deletions

diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index 5e6bea17ea..47b24a0b46 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -12,6 +12,7 @@ require "models/category"
 require "models/image"
 require "models/post"
 require "models/author"
+require "models/book"
 require "models/essay"
 require "models/comment"
 require "models/person"
@@ -377,6 +378,27 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     assert_equal invoice.id, line_item.invoice_id
   end
 
+  class SpecialAuthor < ActiveRecord::Base
+    self.table_name = "authors"
+    has_many :books, class_name: "SpecialBook", foreign_key: :author_id
+  end
+
+  class SpecialBook < ActiveRecord::Base
+    self.table_name = "books"
+
+    belongs_to :author
+    enum read_status: { unread: 0, reading: 2, read: 3, forgotten: nil }
+  end
+
+  def test_association_enum_works_properly
+    author = SpecialAuthor.create!(name: "Test")
+    book = SpecialBook.create!(read_status: "reading")
+    author.books << book
+
+    assert_equal "reading", book.read_status
+    assert_not_equal 0, SpecialAuthor.joins(:books).where(books: { read_status: "reading" }).count
+  end
+
   # When creating objects on the association, we must not do it within a scope (even though it
   # would be convenient), because this would cause that scope to be applied to any callbacks etc.
   def test_build_and_create_should_not_happen_within_scope