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Fix: Fix false negative for RSpec/Dialect when specified Capybara-specific methods #1952

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Fix: Fix false negative for RSpec/Dialect when specified Capybara-specific methods #1952

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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
## Master (Unreleased)

- Fix false-negative and error for `RSpec/MetadataStyle` when non-literal args are used in metadata in `EnforceStyle: hash`. ([@cbliard])
- Fix false negative for `RSpec/Dialect` when specified Capybara-specific methods. ([@sanfrecce-osaka])

## 3.0.4 (2024-08-05)

Expand Down Expand Up @@ -1004,6 +1005,7 @@ Compatibility release so users can upgrade RuboCop to 0.51.0. No new features.
[@rspeicher]: https://github.com/rspeicher
[@rst-j]: https://github.com/RST-J
[@samrjenkins]: https://github.com/samrjenkins
[@sanfrecce-osaka]: https://github.com/sanfrecce-osaka
[@schmijos]: https://github.com/schmijos
[@seanpdoyle]: https://github.com/seanpdoyle
[@sl4vr]: https://github.com/sl4vr
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6 changes: 2 additions & 4 deletions lib/rubocop/cop/rspec/dialect.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -58,14 +58,12 @@ module RSpec
class Dialect < Base
extend AutoCorrector
include MethodPreference
include InsideExampleGroup

MSG = 'Prefer `%<prefer>s` over `%<current>s`.'

# @!method rspec_method?(node)
def_node_matcher :rspec_method?, '(send #rspec? #ALL.all ...)'

def on_send(node)
return unless rspec_method?(node)
return unless inside_example_group?(node)
return unless preferred_methods[node.method_name]

msg = format(MSG, prefer: preferred_method(node.method_name),
Expand Down
217 changes: 173 additions & 44 deletions spec/rubocop/cop/rspec/dialect_spec.rb
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Original file line number Diff line number Diff line change
@@ -1,59 +1,186 @@
# frozen_string_literal: true

RSpec.describe RuboCop::Cop::RSpec::Dialect do
let(:cop_config) do
{
'PreferredMethods' => {
'context' => 'describe'
}
}
end
context 'with preferred methods' do
context 'when `describe` is preferred to `context`' do
let(:cop_config) do
{
'PreferredMethods' => {
'context' => 'describe'
}
}
end

it 'allows describe blocks' do
expect_no_offenses(<<~RUBY)
describe 'display name presence' do
it 'allows describe blocks' do
expect_no_offenses(<<~RUBY)
RSpec.describe 'context' do
describe 'display name presence' do
end
end
RUBY
end
RUBY
end

it 'allows calling methods named context in examples' do
expect_no_offenses(<<~RUBY)
it 'tests common context invocations' do
expect(request.context).to be_empty?
it 'registers an offense for context blocks' do
expect_offense(<<~RUBY)
RSpec.describe 'context' do
context 'display name presence' do
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Prefer `describe` over `context`.
end
end
RUBY

expect_correction(<<~RUBY)
RSpec.describe 'context' do
describe 'display name presence' do
end
end
RUBY
end
RUBY
end
end

it 'registers an offense for context blocks' do
expect_offense(<<~RUBY)
context 'display name presence' do
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Prefer `describe` over `context`.
context 'when `describe` is preferred to `feature`' do
let(:cop_config) do
{
'PreferredMethods' => {
'feature' => 'describe'
}
}
end
RUBY

expect_correction(<<~RUBY)
describe 'display name presence' do
it 'allows describe blocks' do
expect_no_offenses(<<~RUBY)
RSpec.describe 'context' do
describe 'display name presence' do
end
end
RUBY
end
RUBY
end

it 'registers an offense for RSpec.context blocks' do
expect_offense(<<~RUBY)
RSpec.context 'context' do
^^^^^^^^^^^^^^^^^^^^^^^ Prefer `describe` over `context`.
it 'tests common context invocations' do
expect(request.context).to be_empty?
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Those ones were here to ensure that context with an explicit receiver is not detected. Can you keep it in some way?

end
it 'registers an offense for feature blocks' do
expect_offense(<<~RUBY)
RSpec.describe 'context' do
feature 'display name presence' do
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Prefer `describe` over `feature`.
end
end
RUBY

expect_correction(<<~RUBY)
RSpec.describe 'context' do
describe 'display name presence' do
end
end
RUBY
end
RUBY
end

expect_correction(<<~RUBY)
RSpec.describe 'context' do
it 'tests common context invocations' do
expect(request.context).to be_empty?
end
context 'when `let` is preferred to `given`' do
let(:cop_config) do
{
'PreferredMethods' => {
'given' => 'let'
}
}
end

it 'allows let blocks' do
expect_no_offenses(<<~RUBY)
RSpec.describe 'context' do
let do
end
end
RUBY
end
RUBY

it 'registers an offense for given blocks' do
expect_offense(<<~RUBY)
RSpec.describe 'context' do
given do
^^^^^ Prefer `let` over `given`.
end
end
RUBY

expect_correction(<<~RUBY)
RSpec.describe 'context' do
let do
end
end
RUBY
end
end

context 'when `let!` is preferred to `given!`' do
let(:cop_config) do
{
'PreferredMethods' => {
'given!' => 'let!'
}
}
end

it 'allows let! blocks' do
expect_no_offenses(<<~RUBY)
RSpec.describe 'context' do
let! do
end
end
RUBY
end

it 'registers an offense for given! blocks' do
expect_offense(<<~RUBY)
RSpec.describe 'context' do
given! do
^^^^^^ Prefer `let!` over `given!`.
end
end
RUBY

expect_correction(<<~RUBY)
RSpec.describe 'context' do
let! do
end
end
RUBY
end
end

context 'when `before` is preferred to `background`' do
let(:cop_config) do
{
'PreferredMethods' => {
'background' => 'before'
}
}
end

it 'allows before blocks' do
expect_no_offenses(<<~RUBY)
RSpec.describe 'context' do
before do
end
end
RUBY
end

it 'registers an offense for background blocks' do
expect_offense(<<~RUBY)
RSpec.describe 'context' do
background do
^^^^^^^^^^ Prefer `before` over `background`.
end
end
RUBY

expect_correction(<<~RUBY)
RSpec.describe 'context' do
before do
end
end
RUBY
end
end
end

context 'without preferred methods' do
Expand All @@ -65,9 +192,11 @@

it 'allows all methods blocks' do
expect_no_offenses(<<~RUBY)
context 'is important' do
specify 'for someone to work' do
everyone.should have_some_leeway
RSpec.describe 'context' do
context 'is important' do
specify 'for someone to work' do
everyone.should have_some_leeway
end
end
end
RUBY
Expand Down