debian-mirror-gitlab/tooling/lib/tooling/test_file_finder.rb
2020-08-09 17:41:57 +05:30

94 lines
3 KiB
Ruby

# frozen_string_literal: true
require 'set'
module Tooling
class TestFileFinder
EE_PREFIX = 'ee/'
def initialize(file, foss_test_only: false)
@file = file
@foss_test_only = foss_test_only
end
def test_files
impacted_tests = ee_impact | non_ee_impact | either_impact
impacted_tests.impact(@file)
end
private
attr_reader :file, :foss_test_only, :result
class ImpactedTestFile
attr_reader :pattern_matchers
def initialize(prefix: nil)
@pattern_matchers = {}
@prefix = prefix
yield self if block_given?
end
def associate(pattern, &block)
@pattern_matchers[%r{^#{@prefix}#{pattern}}] = block
end
def impact(file)
@pattern_matchers.each_with_object(Set.new) do |(pattern, block), result|
if (match = pattern.match(file))
test_files = block.call(match)
result.merge(Array(test_files))
end
end.to_a
end
def |(other)
self.class.new do |combined_matcher|
self.pattern_matchers.each do |pattern, block|
combined_matcher.associate(pattern, &block)
end
other.pattern_matchers.each do |pattern, block|
combined_matcher.associate(pattern, &block)
end
end
end
end
def ee_impact
ImpactedTestFile.new(prefix: EE_PREFIX) do |impact|
unless foss_test_only
impact.associate(%r{app/(.+)\.rb$}) { |match| "#{EE_PREFIX}spec/#{match[1]}_spec.rb" }
impact.associate(%r{app/(.*/)ee/(.+)\.rb$}) { |match| "#{EE_PREFIX}spec/#{match[1]}#{match[2]}_spec.rb" }
impact.associate(%r{lib/(.+)\.rb$}) { |match| "#{EE_PREFIX}spec/lib/#{match[1]}_spec.rb" }
end
impact.associate(%r{(?!spec)(.*/)ee/(.+)\.rb$}) { |match| "spec/#{match[1]}#{match[2]}_spec.rb" }
impact.associate(%r{spec/(.*/)ee/(.+)\.rb$}) { |match| "spec/#{match[1]}#{match[2]}.rb" }
end
end
def non_ee_impact
ImpactedTestFile.new do |impact|
impact.associate(%r{app/(.+)\.rb$}) { |match| "spec/#{match[1]}_spec.rb" }
impact.associate(%r{(tooling/)?lib/(.+)\.rb$}) { |match| "spec/#{match[1]}lib/#{match[2]}_spec.rb" }
impact.associate(%r{config/initializers/(.+)\.rb$}) { |match| "spec/initializers/#{match[1]}_spec.rb" }
impact.associate('db/structure.sql') { 'spec/db/schema_spec.rb' }
impact.associate(%r{db/(?:post_)?migrate/([0-9]+)_(.+)\.rb$}) do |match|
[
"spec/migrations/#{match[2]}_spec.rb",
"spec/migrations/#{match[1]}_#{match[2]}_spec.rb"
]
end
end
end
def either_impact
ImpactedTestFile.new(prefix: %r{^(?<prefix>#{EE_PREFIX})?}) do |impact|
impact.associate(%r{app/views/(?<view>.+)\.haml$}) { |match| "#{match[:prefix]}spec/views/#{match[:view]}.haml_spec.rb" }
impact.associate(%r{spec/(.+)_spec\.rb$}) { |match| match[0] }
impact.associate(%r{spec/factories/.+\.rb$}) { 'spec/factories_spec.rb' }
end
end
end
end