1 files changed, 6 insertions, 1 deletions
diff --git a/activerecord/test/cases/relation_test.rb b/activerecord/test/cases/relation_test.rb
index 8a7a2441d4..89f818a689 100644
--- a/activerecord/test/cases/relation_test.rb
+++ b/activerecord/test/cases/relation_test.rb
@@ -203,13 +203,18 @@ module ActiveRecord
       assert_equal [], relation.extending_values
     end
 
-    (Relation::SINGLE_VALUE_METHODS - [:lock, :reordering, :reverse_order, :create_with]).each do |method|
+    (Relation::SINGLE_VALUE_METHODS - [:from, :lock, :reordering, :reverse_order, :create_with]).each do |method|
       test "##{method}!" do
         assert relation.public_send("#{method}!", :foo).equal?(relation)
         assert_equal :foo, relation.public_send("#{method}_value")
       end
     end
 
+    test '#from!' do
+      assert relation.from!('foo').equal?(relation)
+      assert_equal ['foo', nil], relation.from_value
+    end
+
     test '#lock!' do
       assert relation.lock!('foo').equal?(relation)
       assert_equal 'foo', relation.lock_value