119 lines
4.2 KiB
Ruby
119 lines
4.2 KiB
Ruby
# frozen_string_literal: true
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module Tooling
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module Danger
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module Specs
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SPEC_FILES_REGEX = 'spec/'
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EE_PREFIX = 'ee/'
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MATCH_WITH_ARRAY_REGEX = /(?<to>to\(?\s*)(?<matcher>match|eq)(?<expectation>[( ]?\[[^\]]+)/.freeze
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MATCH_WITH_ARRAY_REPLACEMENT = '\k<to>match_array\k<expectation>'
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PROJECT_FACTORIES = %w[
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:project
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:project_empty_repo
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:forked_project_with_submodules
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:project_with_design
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].freeze
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PROJECT_FACTORY_REGEX = /
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^\+? # Start of the line, which may or may not have a `+`
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(?<head>\s*) # 0-many leading whitespace captured in a group named head
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let!? # Literal `let` which may or may not end in `!`
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(?<tail> # capture group named tail
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\([^)]+\) # Two parenthesis with any non-parenthesis characters between them
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\s*\{\s* # Opening curly brace surrounded by 0-many whitespace characters
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create\( # literal
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(?:#{PROJECT_FACTORIES.join('|')}) # Any of the project factory names
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\W # Non-word character, avoid matching factories like :project_authorization
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) # end capture group named tail
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/x.freeze
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PROJECT_FACTORY_REPLACEMENT = '\k<head>let_it_be\k<tail>'
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SUGGESTION_MARKDOWN = <<~SUGGESTION_MARKDOWN
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```suggestion
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%<suggested_line>s
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```
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SUGGESTION_MARKDOWN
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MATCH_WITH_ARRAY_SUGGESTION = <<~SUGGEST_COMMENT
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If order of the result is not important, please consider using `match_array` to avoid flakiness.
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SUGGEST_COMMENT
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PROJECT_FACTORY_SUGGESTION = <<~SUGGEST_COMMENT
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Project creations are very slow. Use `let_it_be`, `build` or `build_stubbed` if possible.
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See [testing best practices](https://docs.gitlab.com/ee/development/testing_guide/best_practices.html#optimize-factory-usage)
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for background information and alternative options.
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SUGGEST_COMMENT
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def changed_specs_files(ee: :include)
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changed_files = helper.all_changed_files
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folder_prefix =
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case ee
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when :include
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"(#{EE_PREFIX})?"
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when :only
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EE_PREFIX
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when :exclude
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nil
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end
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changed_files.grep(%r{\A#{folder_prefix}#{SPEC_FILES_REGEX}})
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end
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def add_suggestions_for_match_with_array(filename)
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add_suggestion(
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filename,
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MATCH_WITH_ARRAY_REGEX,
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MATCH_WITH_ARRAY_REPLACEMENT,
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MATCH_WITH_ARRAY_SUGGESTION
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)
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end
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def add_suggestions_for_project_factory_usage(filename)
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add_suggestion(
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filename,
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PROJECT_FACTORY_REGEX,
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PROJECT_FACTORY_REPLACEMENT,
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PROJECT_FACTORY_SUGGESTION
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)
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end
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private
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def added_lines_matching(filename, regex)
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helper.changed_lines(filename).grep(/\A\+ /).grep(regex)
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end
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def add_suggestion(filename, regex, replacement, comment_text)
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added_lines = added_lines_matching(filename, regex)
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return if added_lines.empty?
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spec_file_lines = project_helper.file_lines(filename)
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added_lines.each_with_object([]) do |added_line, processed_line_numbers|
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line_number = find_line_number(spec_file_lines, added_line.delete_prefix('+'), exclude_indexes: processed_line_numbers)
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next unless line_number
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processed_line_numbers << line_number
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text = format(comment(comment_text), suggested_line: spec_file_lines[line_number].gsub(regex, replacement))
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markdown(text, file: filename, line: line_number.succ)
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end
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end
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def comment(comment_text)
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<<~COMMENT_BODY.chomp
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#{SUGGESTION_MARKDOWN}
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#{comment_text}
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COMMENT_BODY
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end
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def find_line_number(file_lines, searched_line, exclude_indexes: [])
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_, index = file_lines.each_with_index.find do |file_line, index|
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file_line == searched_line && !exclude_indexes.include?(index)
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end
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index
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end
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end
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end
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end
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