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This patch adds a new step to services named `try`.
It’s useful to rescue exceptions that some steps could raise. That way,
if an exception is caught, the service will stop its execution and can
be inspected like with any other steps.
Just wrap the steps that can raise with a `try` block:
```ruby
try do
step :step_that_can_raise
step :another_step_that_can_raise
end
```
By default, `try` will catch any exception inheriting from
`StandardError`, but we can specify what exceptions to catch:
```ruby
try(ArgumentError, RuntimeError) do
step :will_raise
end
```
An outcome matcher has been added: `on_exceptions`. By default it will
be executed for any exception caught by the `try` step.
Here also, we can specify what exceptions to catch:
```ruby
on_exceptions(ArgumentError, RuntimeError) do |exception|
…
end
```
Finally, an RSpec matcher has been added:
```ruby
it { is_expected.to fail_with_exception }
# or
it { is_expected.to fail_with_exception(ArgumentError) }
```
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|---|---|---|
| .. | ||
| locales | ||
| versioning | ||
| backups_helpers.rb | ||
| bookmarkable_helper.rb | ||
| common_basic_reviewable_serializer.rb | ||
| concurrency.rb | ||
| diagnostics_helper.rb | ||
| discourse_event_helper.rb | ||
| dom_matcher.rb | ||
| fake_bookmark_hashtag_data_source.rb | ||
| fake_logger.rb | ||
| fake_s3.rb | ||
| fast_image_helpers.rb | ||
| final_destination_helper.rb | ||
| helpers.rb | ||
| i18n_helpers.rb | ||
| imap_helper.rb | ||
| integration_helpers.rb | ||
| match_html_matcher.rb | ||
| mock_git_importer.rb | ||
| negated_matcher.rb | ||
| omniauth_helpers.rb | ||
| onebox_helpers.rb | ||
| problem_check_matcher.rb | ||
| rate_limit_matcher.rb | ||
| sample_plugin_site_settings.yml | ||
| service_matchers.rb | ||
| shared_examples_for_custom_fields.rb | ||
| shared_examples_for_stats_cacheable.rb | ||
| sidekiq_helpers.rb | ||
| site_settings_helpers.rb | ||
| system_helpers.rb | ||
| test_second_factor_action.rb | ||
| time_matcher.rb | ||
| topic_guardian_can_see_consistency_check.rb | ||
| ts_vector_matcher.rb | ||
| uploads_helpers.rb | ||
| user_sidebar_serializer_attributes.rb | ||
| webauthn_integration_helpers.rb | ||