rails/actionmailer/CHANGELOG.md

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* Mailer preview now uses `url_for` to fix links to emails for apps running on
a subdirectory.
*Remo Mueller*
* Mailer previews no longer crash when the `mail` method wasn't called
(`NullMail`).
Fixes #19849.
*Yves Senn*
* Make sure labels and values line up in mailer previews.
*Yves Senn*
* Add `assert_enqueued_emails` and `assert_no_enqueued_emails`.
Example:
def test_emails
assert_enqueued_emails 2 do
ContactMailer.welcome.deliver_later
ContactMailer.welcome.deliver_later
end
end
def test_no_emails
assert_no_enqueued_emails do
# No emails enqueued here
end
end
*George Claghorn*
* Add `_mailer` suffix to mailers created via generator, following the same
naming convention used in controllers and jobs.
*Carlos Souza*
* Remove deprecate `*_path` helpers in email views.
*Rafael Mendonça França*
* Remove deprecated `deliver` and `deliver!` methods.
*claudiob*
* Template lookup now respects default locale and I18n fallbacks.
Given the following templates:
mailer/demo.html.erb
mailer/demo.en.html.erb
mailer/demo.pt.html.erb
Before this change, for a locale that doesn't have its associated file, the
`mailer/demo.html.erb` would be rendered even if `en` was the default locale.
Now `mailer/demo.en.html.erb` has precedence over the file without locale.
Also, it is possible to give a fallback.
mailer/demo.pt.html.erb
mailer/demo.pt-BR.html.erb
So if the locale is `pt-PT`, `mailer/demo.pt.html.erb` will be rendered given
the right I18n fallback configuration.
*Rafael Mendonça França*
Please check [4-2-stable](https://github.com/rails/rails/blob/4-2-stable/actionmailer/CHANGELOG.md) for previous changes.