Gracefully degrade when ActionMailer::Base#params is nil
#47101
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Prior to this change, access to `params` on `ActionMailer::Base`
instances prior to being decorated by `ActionMailer::Parameterized.with`
calls results in a `NoMethodError`:
```
Error:
ParameterizedTest#test_degrade_gracefully_when_.with_is_not_called:
NoMethodError: undefined method `[]' for nil:NilClass
before_action { @Inviter, @invitee = params[:inviter], params[:invitee] }
^^^^^^^^^^
```
This change modifies the `attr_accessor :params` to be an `attr_writer`
paired with a `params` method that assigns `@params` to an empty `Hash`
whenever it's accessed without being otherwise initialized.
seanpdoyle
force-pushed
the
action-mailer-params-default
branch
from
3d6a424
to
6fea9a0
Compare
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Motivation / Background
Prior to this change, access to
paramsonActionMailer::Baseinstances prior to being decorated byActionMailer::Parameterized.withcalls results in aNoMethodError:Detail
This change modifies the
attr_accessor :paramsto be anattr_writerpaired with aparamsmethod that assigns@paramsto an emptyHashwhenever it's accessed without being otherwise initialized.Checklist
Before submitting the PR make sure the following are checked:
[Fix #issue-number]