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RSpec/SubjectStub. Add top level group callback #932

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merged 4 commits into from Jun 14, 2020

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andrykonchin
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@andrykonchin andrykonchin commented Jun 12, 2020

It's a followup of #925 and it addresses the following issue #925 (comment)

Changes:

  • added module TopLevelGroup (similar to TopLevelDescribe)
  • refactored SubjectStub to avoid manual caching and rely on TopLevelGroup

The goal of TopLevelGroup is to handle all the possible example and shared groups in a spec file. It calls on_top_level_group callback for every top-level describe, context, feature, shared context... group.


Before submitting the PR make sure the following are checked:

  • Feature branch is up-to-date with master (if not - rebase it).
  • Squashed related commits together.
  • Added tests.
  • Updated documentation.
  • Added an entry to the CHANGELOG.md if the new code introduces user-observable changes.
  • The build (bundle exec rake) passes (be sure to run this locally, since it may produce updated documentation that you will need to commit).

@andrykonchin andrykonchin marked this pull request as draft June 12, 2020 20:21
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Even more cleaner than the previous implementation 💯

spec/rubocop/cop/rspec/subject_stub_spec.rb Outdated Show resolved Hide resolved
lib/rubocop/rspec/top_level_group.rb Outdated Show resolved Hide resolved
lib/rubocop/rspec/top_level_group.rb Outdated Show resolved Hide resolved
spec/rubocop/cop/rspec/subject_stub_spec.rb Outdated Show resolved Hide resolved
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lib/rubocop/rspec/top_level_group.rb Outdated Show resolved Hide resolved
@andrykonchin andrykonchin marked this pull request as ready for review June 12, 2020 20:47
@andrykonchin andrykonchin requested a review from pirj June 13, 2020 09:58
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@pirj Fixed all the issues

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Perfect! 😗 👌

end

def top_level_nodes
@top_level_nodes ||=
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Minor: does it make sense to memoize it? It's only called once from a method that is also memoized.

@pirj pirj requested review from bquorning and Darhazer June 13, 2020 18:41
@andrykonchin andrykonchin requested a review from pirj June 13, 2020 20:10
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Perfect! Thank you.

top_level_nodes.select { |n| example_or_shared_group?(n) }
end

def top_level_nodes
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At some point, we may want to DRY this between the different modules.
Also, top_level_describe seems to be a special case on top_level_group.

For now I'm fine with keeping it as it is

@pirj pirj merged commit 3030ba8 into rubocop:master Jun 14, 2020
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pirj commented Jun 14, 2020

Merging without consensus, since this change has been discussed in the past, and only affects one cop.

Thank you again, @andrykonchin !

@andrykonchin andrykonchin deleted the add-top-level-group-callback branch June 14, 2020 20:17
pirj added a commit that referenced this pull request Jul 23, 2020
Why?

 - it was slow #925 (comment)
 - it ignored non-describe top-level example groups #925 (comment)

`TopLevelGroup` is a modern replacement for `TopLevelDescribe`.

Examples how to migrate cops from TopLevelDescribe to TopLevelGroup:

 - #932
 - #977
@pirj pirj mentioned this pull request Jul 23, 2020
7 tasks
(ExampleGroups::ALL + SharedGroups::ALL).block_pattern

def on_block(node)
return unless respond_to?(:on_top_level_group)
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An afterthought.

I understand that this guard statement is on the very top to avoid a quite expensive check done in top_level_group?.

But is it really necessary? If a cop includes TopLevelGroup, that means it defines a on_top_level_group method? Otherwise why would it include TopLevelGroup?
Or am I missing something?

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TBH I just copied this approach from TopLevelDescribe module. I don't see any benefit in having such condition here.

@pirj pirj mentioned this pull request Aug 2, 2020
6 tasks
pirj added a commit that referenced this pull request Oct 22, 2020
Why?

 - it was slow #925 (comment)
 - it ignored non-describe top-level example groups #925 (comment)

`TopLevelGroup` is a modern replacement for `TopLevelDescribe`.

Examples how to migrate cops from TopLevelDescribe to TopLevelGroup:

 - #932
 - #977
pirj added a commit that referenced this pull request Oct 22, 2020
Why?

 - it was slow #925 (comment)
 - it ignored non-describe top-level example groups #925 (comment)

`TopLevelGroup` is a modern replacement for `TopLevelDescribe`.

Examples how to migrate cops from TopLevelDescribe to TopLevelGroup:

 - #932
 - #977
pirj added a commit that referenced this pull request Oct 22, 2020
Why?

 - it was slow #925 (comment)
 - it ignored non-describe top-level example groups #925 (comment)

`TopLevelGroup` is a modern replacement for `TopLevelDescribe`.

Examples how to migrate cops from TopLevelDescribe to TopLevelGroup:

 - #932
 - #977
pirj added a commit that referenced this pull request Nov 2, 2020
Why?

 - it was slow #925 (comment)
 - it ignored non-describe top-level example groups #925 (comment)

`TopLevelGroup` is a modern replacement for `TopLevelDescribe`.

Examples how to migrate cops from TopLevelDescribe to TopLevelGroup:

 - #932
 - #977
pirj added a commit to rubocop/rubocop-capybara that referenced this pull request Dec 29, 2022
Why?

 - it was slow rubocop/rubocop-rspec#925 (comment)
 - it ignored non-describe top-level example groups rubocop/rubocop-rspec#925 (comment)

`TopLevelGroup` is a modern replacement for `TopLevelDescribe`.

Examples how to migrate cops from TopLevelDescribe to TopLevelGroup:

 - rubocop/rubocop-rspec#932
 - rubocop/rubocop-rspec#977
ydah pushed a commit to rubocop/rubocop-factory_bot that referenced this pull request Apr 13, 2023
Why?

 - it was slow rubocop/rubocop-rspec#925 (comment)
 - it ignored non-describe top-level example groups rubocop/rubocop-rspec#925 (comment)

`TopLevelGroup` is a modern replacement for `TopLevelDescribe`.

Examples how to migrate cops from TopLevelDescribe to TopLevelGroup:

 - rubocop/rubocop-rspec#932
 - rubocop/rubocop-rspec#977
ydah pushed a commit to rubocop/rubocop-rspec_rails that referenced this pull request Mar 27, 2024
Why?

 - it was slow rubocop/rubocop-rspec#925 (comment)
 - it ignored non-describe top-level example groups rubocop/rubocop-rspec#925 (comment)

`TopLevelGroup` is a modern replacement for `TopLevelDescribe`.

Examples how to migrate cops from TopLevelDescribe to TopLevelGroup:

 - rubocop/rubocop-rspec#932
 - rubocop/rubocop-rspec#977
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3 participants