Module: AffectedTests::Differ

Defined in:
lib/affected_tests/differ.rb

Class Method Summary collapse

Class Method Details

.run(diff_file_path:, map_file_path:, test_dir_path:) ⇒ Object

target calculate policy: codes:

added: ignore(if user write test, which covers it)
modified: execute associated test
deleted: execute associated test

tests:

added: execute it
modified: execute it
deleted: ignore


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# File 'lib/affected_tests/differ.rb', line 19

def run(diff_file_path:, map_file_path:, test_dir_path:)
  diff = JSON.parse(File.read(diff_file_path))
  map_info = JSON.parse(File.read(map_file_path))
  map = map_info["map"]

  added_codes = []
  modified_codes = []
  deleted_codes = []

  added_tests = []
  modified_tests = []
  deleted_tests = []

  diff.each do |diff_info|
    path = diff_info["filename"]
    if path.start_with?(test_dir_path)
      case diff_info["status"]
      when "added"
        added_tests << path
      when "modified"
        modified_tests << path
      when "deleted"
        deleted_tests << path
      end
    else
      case diff_info["status"]
      when "added"
        added_codes << path
      when "modified"
        modified_codes << path
      when "deleted"
        deleted_codes << path
      end
    end
  end

  target_tests_set = Set.new

  (modified_codes + deleted_codes).each do |path|
    list = map[path] || []

    list.each do |suspect_test_path|
      target_tests_set << suspect_test_path
    end
  end

  (added_tests + modified_tests).each do |path|
    target_tests_set << path
  end

  target_tests_set.to_a - deleted_tests
end