Improve `SecurePasswordTest#test_authenticate`

- Ensure that execution of `authenticate`/`authenticate_XXX` returns
`self` if password is correct, otherwise `false` (as mentioned in the documentation).
- Test `authenticate_password`.

1 files changed, 7 insertions, 4 deletions

diff --git a/activemodel/test/cases/secure_password_test.rb b/activemodel/test/cases/secure_password_test.rb
index bc23316ad5..327661a9ca 100644
--- a/activemodel/test/cases/secure_password_test.rb
+++ b/activemodel/test/cases/secure_password_test.rb
@@ -188,11 +188,14 @@ class SecurePasswordTest < ActiveModel::TestCase
     @user.password = "secret"
     @user.activation_token = "new_token"
 
-    assert_not @user.authenticate("wrong")
-    assert @user.authenticate("secret")
+    assert_equal false, @user.authenticate("wrong")
+    assert_equal @user, @user.authenticate("secret")
 
-    assert !@user.authenticate_activation_token("wrong")
-    assert @user.authenticate_activation_token("new_token")
+    assert_equal false, @user.authenticate_password("wrong")
+    assert_equal @user, @user.authenticate_password("secret")
+
+    assert_equal false, @user.authenticate_activation_token("wrong")
+    assert_equal @user, @user.authenticate_activation_token("new_token")
   end
 
   test "Password digest cost defaults to bcrypt default cost when min_cost is false" do