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-rw-r--r--activerecord/test/cases/migration/foreign_key_test.rb35
1 files changed, 34 insertions, 1 deletions
diff --git a/activerecord/test/cases/migration/foreign_key_test.rb b/activerecord/test/cases/migration/foreign_key_test.rb
index c471dd1106..bb233fbf74 100644
--- a/activerecord/test/cases/migration/foreign_key_test.rb
+++ b/activerecord/test/cases/migration/foreign_key_test.rb
@@ -53,16 +53,49 @@ if ActiveRecord::Base.connection.supports_foreign_keys_in_create?
end
def test_change_column_of_parent_table
- foreign_keys = ActiveRecord::Base.connection.foreign_keys("astronauts")
rocket = Rocket.create!(name: "myrocket")
rocket.astronauts << Astronaut.create!
@connection.change_column_null :rockets, :name, false
+ foreign_keys = @connection.foreign_keys("astronauts")
+ assert_equal 1, foreign_keys.size
+
+ fk = foreign_keys.first
+ assert_equal "myrocket", Rocket.first.name
+ assert_equal "astronauts", fk.from_table
+ assert_equal "rockets", fk.to_table
+ end
+
+ def test_rename_column_of_child_table
+ rocket = Rocket.create!(name: "myrocket")
+ rocket.astronauts << Astronaut.create!
+
+ @connection.rename_column :astronauts, :name, :astronaut_name
+
+ foreign_keys = @connection.foreign_keys("astronauts")
+ assert_equal 1, foreign_keys.size
+
+ fk = foreign_keys.first
+ assert_equal "myrocket", Rocket.first.name
+ assert_equal "astronauts", fk.from_table
+ assert_equal "rockets", fk.to_table
+ end
+
+ def test_rename_reference_column_of_child_table
+ rocket = Rocket.create!(name: "myrocket")
+ rocket.astronauts << Astronaut.create!
+
+ @connection.rename_column :astronauts, :rocket_id, :new_rocket_id
+
+ foreign_keys = @connection.foreign_keys("astronauts")
+ assert_equal 1, foreign_keys.size
+
fk = foreign_keys.first
assert_equal "myrocket", Rocket.first.name
assert_equal "astronauts", fk.from_table
assert_equal "rockets", fk.to_table
+ assert_equal "new_rocket_id", fk.options[:column]
end
end
end