Add new Capybara/ClickLinkOrButtonStyle cop

Fix: #58

.simplecov

@@ -2,7 +2,7 @@
 
 SimpleCov.start do
   enable_coverage :branch
-  minimum_coverage line: 99.12, branch: 90.29
+  minimum_coverage line: 99.12, branch: 89.90
   add_filter '/spec/'
   add_filter '/vendor/bundle/'
 end

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Drop Ruby 2.6 support. ([@ydah])
 - Add new `Capybara/RSpec/PredicateMatcher` cop. ([@ydah])
+- Add new `Capybara/ClickLinkOrButtonStyle` cop. ([@ydah])
 
 ## 2.18.0 (2023-04-21)
 

config/default.yml

@@ -9,6 +9,16 @@ Capybara:
     - "**/*_steps.rb"
     - "**/features/step_definitions/**/*"
 
+Capybara/ClickLinkOrButtonStyle:
+  Description: Checks for click button or link style.
+  Enabled: pending
+  VersionAdded: "<<next>>"
+  EnforcedStyle: strict
+  SupportedStyles:
+    - strict
+    - link_or_button
+  Reference: https://www.rubydoc.info/gems/rubocop-capybara/RuboCop/Cop/Capybara/ClickLinkOrButtonStyle
+
 Capybara/CurrentPathExpectation:
   Description: Checks that no expectations are set on Capybara's `current_path`.
   Enabled: true

docs/modules/ROOT/pages/cops.adoc

@@ -2,6 +2,7 @@
 
 === Department xref:cops_capybara.adoc[Capybara]
 
+* xref:cops_capybara.adoc#capybaraclicklinkorbuttonstyle[Capybara/ClickLinkOrButtonStyle]
 * xref:cops_capybara.adoc#capybaracurrentpathexpectation[Capybara/CurrentPathExpectation]
 * xref:cops_capybara.adoc#capybaramatchstyle[Capybara/MatchStyle]
 * xref:cops_capybara.adoc#capybaranegationmatcher[Capybara/NegationMatcher]

docs/modules/ROOT/pages/cops_capybara.adoc

@@ -1,5 +1,61 @@
 = Capybara
 
+== Capybara/ClickLinkOrButtonStyle
+
+|===
+| Enabled by default | Safe | Supports autocorrection | Version Added | Version Changed
+
+| Pending
+| Yes
+| No
+| <<next>>
+| -
+|===
+
+Checks for click button or link style.
+
+=== Examples
+
+==== EnforcedStyle: strict (default)
+
+[source,ruby]
+----
+# bad
+click_link_or_button('foo')
+click_on('foo')
+
+# good
+click_link('foo')
+click_button('foo')
+----
+
+==== EnforcedStyle: link_or_button
+
+[source,ruby]
+----
+# bad
+click_link('foo')
+click_button('foo')
+
+# good
+click_link_or_button('foo')
+click_on('foo')
+----
+
+=== Configurable attributes
+
+|===
+| Name | Default value | Configurable values
+
+| EnforcedStyle
+| `strict`
+| `strict`, `link_or_button`
+|===
+
+=== References
+
+* https://www.rubydoc.info/gems/rubocop-capybara/RuboCop/Cop/Capybara/ClickLinkOrButtonStyle
+
 == Capybara/CurrentPathExpectation
 
 |===

lib/rubocop/cop/capybara/click_link_or_button_style.rb

@@ -0,0 +1,68 @@
+# frozen_string_literal: true
+
+module RuboCop
+  module Cop
+    module Capybara
+      # Checks for click button or link style.
+      #
+      # @example EnforcedStyle: strict (default)
+      #   # bad
+      #   click_link_or_button('foo')
+      #   click_on('foo')
+      #
+      #   # good
+      #   click_link('foo')
+      #   click_button('foo')
+      #
+      # @example EnforcedStyle: link_or_button
+      #   # bad
+      #   click_link('foo')
+      #   click_button('foo')
+      #
+      #   # good
+      #   click_link_or_button('foo')
+      #   click_on('foo')
+      #
+      class ClickLinkOrButtonStyle < ::RuboCop::Cop::Base
+        include ConfigurableEnforcedStyle
+
+        MSG_STRICT =
+          'Use `click_link` or `click_button` instead of `%<method>s`.'
+        MSG_CLICK_LINK_OR_BUTTON =
+          'Use `click_link_or_button` or `click_on` instead of `%<method>s`.'
+        STRICT_METHODS = %i[click_link click_button].freeze
+        CLICK_LINK_OR_BUTTON = %i[click_link_or_button click_on].freeze
+        RESTRICT_ON_SEND = (STRICT_METHODS + CLICK_LINK_OR_BUTTON).freeze
+
+        def on_send(node)
+          return unless offense?(node)
+
+          add_offense(node, message: offense_message(node))
+        end
+
+        private
+
+        def offense?(node)
+          style == :strict && !strict_method?(node) ||
+            style == :link_or_button && !link_or_button_method?(node)
+        end
+
+        def offense_message(node)
+          if style == :strict
+            format(MSG_STRICT, method: node.method_name)
+          elsif style == :link_or_button
+            format(MSG_CLICK_LINK_OR_BUTTON, method: node.method_name)
+          end
+        end
+
+        def strict_method?(node)
+          STRICT_METHODS.include?(node.method_name)
+        end
+
+        def link_or_button_method?(node)
+          CLICK_LINK_OR_BUTTON.include?(node.method_name)
+        end
+      end
+    end
+  end
+end

lib/rubocop/cop/capybara_cops.rb

@@ -2,6 +2,7 @@
 
 require_relative 'capybara/rspec/predicate_matcher'
 
+require_relative 'capybara/click_link_or_button_style'
 require_relative 'capybara/current_path_expectation'
 require_relative 'capybara/match_style'
 require_relative 'capybara/negation_matcher'

spec/rubocop/cop/capybara/click_link_or_button_style_spec.rb

@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+RSpec.describe RuboCop::Cop::Capybara::ClickLinkOrButtonStyle do
+  let(:cop_config) { { 'EnforcedStyle' => enforced_style } }
+  let(:enforced_style) { 'strict' }
+
+  context 'when EnforcedStyle is `strict`' do
+    let(:enforced_style) { 'strict' }
+
+    it 'registers an offense when using `click_link_or_button`' do
+      expect_offense(<<~RUBY)
+        click_link_or_button('foo')
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Use `click_link` or `click_button` instead of `click_link_or_button`.
+      RUBY
+    end
+
+    it 'registers an offense when using `click_on`' do
+      expect_offense(<<~RUBY)
+        click_on('foo')
+        ^^^^^^^^^^^^^^^ Use `click_link` or `click_button` instead of `click_on`.
+      RUBY
+    end
+
+    it 'does not register an offense when using `click_link`' do
+      expect_no_offenses(<<~RUBY)
+        click_link('foo')
+      RUBY
+    end
+
+    it 'does not register an offense when using `click_button`' do
+      expect_no_offenses(<<~RUBY)
+        click_button('foo')
+      RUBY
+    end
+  end
+
+  context 'when EnforcedStyle is `link_or_button`' do
+    let(:enforced_style) { 'link_or_button' }
+
+    it 'registers an offense when using `click_link`' do
+      expect_offense(<<~RUBY)
+        click_link('foo')
+        ^^^^^^^^^^^^^^^^^ Use `click_link_or_button` or `click_on` instead of `click_link`.
+      RUBY
+    end
+
+    it 'registers an offense when using `click_button`' do
+      expect_offense(<<~RUBY)
+        click_button('foo')
+        ^^^^^^^^^^^^^^^^^^^ Use `click_link_or_button` or `click_on` instead of `click_button`.
+      RUBY
+    end
+
+    it 'does not register an offense when using `click_link_or_button`' do
+      expect_no_offenses(<<~RUBY)
+        click_link_or_button('foo')
+      RUBY
+    end
+
+    it 'does not register an offense when using `click_on`' do
+      expect_no_offenses(<<~RUBY)
+        click_on('foo')
+      RUBY
+    end
+  end
+end