diff options
Diffstat (limited to 'rubocop')
-rw-r--r-- | rubocop/cop/line_break_after_guard_clauses.rb | 100 | ||||
-rw-r--r-- | rubocop/cop/migration/update_large_table.rb (renamed from rubocop/cop/migration/add_column_with_default_to_large_table.rb) | 22 | ||||
-rw-r--r-- | rubocop/rubocop.rb | 3 |
3 files changed, 114 insertions, 11 deletions
diff --git a/rubocop/cop/line_break_after_guard_clauses.rb b/rubocop/cop/line_break_after_guard_clauses.rb new file mode 100644 index 00000000000..67477f064ab --- /dev/null +++ b/rubocop/cop/line_break_after_guard_clauses.rb @@ -0,0 +1,100 @@ +# frozen_string_literal: true + +module RuboCop + module Cop + # Ensures a line break after guard clauses. + # + # @example + # # bad + # return unless condition + # do_stuff + # + # # good + # return unless condition + # + # do_stuff + # + # # bad + # raise if condition + # do_stuff + # + # # good + # raise if condition + # + # do_stuff + # + # Multiple guard clauses are allowed without + # line break. + # + # # good + # return unless condition_a + # return unless condition_b + # + # do_stuff + # + # Guard clauses in case statement are allowed without + # line break. + # + # # good + # case model + # when condition_a + # return true unless condition_b + # when + # ... + # end + # + # Guard clauses before end are allowed without + # line break. + # + # # good + # if condition_a + # do_something + # else + # do_something_else + # return unless condition + # end + # + # do_something_more + class LineBreakAfterGuardClauses < RuboCop::Cop::Cop + MSG = 'Add a line break after guard clauses' + + def_node_matcher :guard_clause_node?, <<-PATTERN + [{(send nil? {:raise :fail :throw} ...) return break next} single_line?] + PATTERN + + def on_if(node) + return unless node.single_line? + return unless guard_clause?(node) + return if next_line(node).blank? || clause_last_line?(next_line(node)) || guard_clause?(next_sibling(node)) + + add_offense(node, :expression, MSG) + end + + def autocorrect(node) + lambda do |corrector| + corrector.insert_after(node.loc.expression, "\n") + end + end + + private + + def guard_clause?(node) + return false unless node.if_type? + + guard_clause_node?(node.if_branch) + end + + def next_sibling(node) + node.parent.children[node.sibling_index + 1] + end + + def next_line(node) + processed_source[node.loc.line] + end + + def clause_last_line?(line) + line =~ /^\s*(?:end|elsif|else|when|rescue|ensure)/ + end + end + end +end diff --git a/rubocop/cop/migration/add_column_with_default_to_large_table.rb b/rubocop/cop/migration/update_large_table.rb index fb363f95b56..3ae3fb1b68e 100644 --- a/rubocop/cop/migration/add_column_with_default_to_large_table.rb +++ b/rubocop/cop/migration/update_large_table.rb @@ -12,12 +12,12 @@ module RuboCop # # See https://gitlab.com/gitlab-com/infrastructure/issues/1602 for more # information. - class AddColumnWithDefaultToLargeTable < RuboCop::Cop::Cop + class UpdateLargeTable < RuboCop::Cop::Cop include MigrationHelpers - MSG = 'Using `add_column_with_default` on the `%s` table will take a ' \ - 'long time to complete, and should be avoided unless absolutely ' \ - 'necessary'.freeze + MSG = 'Using `%s` on the `%s` table will take a long time to ' \ + 'complete, and should be avoided unless absolutely ' \ + 'necessary'.freeze LARGE_TABLES = %i[ ci_pipelines @@ -34,20 +34,22 @@ module RuboCop users ].freeze - def_node_matcher :add_column_with_default?, <<~PATTERN - (send nil :add_column_with_default $(sym ...) ...) + def_node_matcher :batch_update?, <<~PATTERN + (send nil ${:add_column_with_default :update_column_in_batches} $(sym ...) ...) PATTERN def on_send(node) return unless in_migration?(node) - matched = add_column_with_default?(node) - return unless matched + matches = batch_update?(node) + return unless matches + + update_method = matches.first + table = matches.last.to_a.first - table = matched.to_a.first return unless LARGE_TABLES.include?(table) - add_offense(node, :expression, format(MSG, table)) + add_offense(node, :expression, format(MSG, update_method, table)) end end end diff --git a/rubocop/rubocop.rb b/rubocop/rubocop.rb index c4bab18faee..3b29da37ad4 100644 --- a/rubocop/rubocop.rb +++ b/rubocop/rubocop.rb @@ -3,12 +3,12 @@ require_relative 'cop/active_record_serialize' require_relative 'cop/custom_error_class' require_relative 'cop/gem_fetcher' require_relative 'cop/in_batches' +require_relative 'cop/line_break_after_guard_clauses' require_relative 'cop/polymorphic_associations' require_relative 'cop/project_path_helper' require_relative 'cop/redirect_with_status' require_relative 'cop/gitlab/module_with_instance_variables' require_relative 'cop/migration/add_column' -require_relative 'cop/migration/add_column_with_default_to_large_table' require_relative 'cop/migration/add_concurrent_foreign_key' require_relative 'cop/migration/add_concurrent_index' require_relative 'cop/migration/add_index' @@ -21,6 +21,7 @@ require_relative 'cop/migration/reversible_add_column_with_default' require_relative 'cop/migration/safer_boolean_column' require_relative 'cop/migration/timestamps' require_relative 'cop/migration/update_column_in_batches' +require_relative 'cop/migration/update_large_table' require_relative 'cop/rspec/env_assignment' require_relative 'cop/rspec/single_line_hook' require_relative 'cop/rspec/verbose_include_metadata' |