class RSpec::Support::VersionChecker

@private

Public Class Methods

new(library_name, library_version, min_patch_level) click to toggle source
# File lib/rspec/support/version_checker.rb, line 7
def initialize(library_name, library_version, min_patch_level)
  @library_name, @library_version = library_name, library_version
  @min_patch_level = min_patch_level

  @major,     @minor,     @patch     = parse_version(library_version)
  @min_major, @min_minor, @min_patch = parse_version(min_patch_level)

  @comparison_result = compare_version
end

Public Instance Methods

check_version!() click to toggle source
# File lib/rspec/support/version_checker.rb, line 17
def check_version!
  raise_too_low_error if too_low?
end

Private Instance Methods

compare_version() click to toggle source
# File lib/rspec/support/version_checker.rb, line 33
def compare_version
  case
  when @major < @min_major then :too_low
  when @major > @min_major then :ok
  when @minor < @min_minor then :too_low
  when @minor > @min_minor then :ok
  when @patch < @min_patch then :too_low
  else :ok
  end
end
parse_version(version) click to toggle source
# File lib/rspec/support/version_checker.rb, line 48
def parse_version(version)
  version.split('.').map { |v| v.to_i }
end
raise_too_low_error() click to toggle source
# File lib/rspec/support/version_checker.rb, line 27
def raise_too_low_error
  raise LibraryVersionTooLowError,
        "You are using #{@library_name} #{@library_version}. "                "RSpec requires version #{version_requirement}."
end
too_low?() click to toggle source
# File lib/rspec/support/version_checker.rb, line 23
def too_low?
  @comparison_result == :too_low
end
version_requirement() click to toggle source
# File lib/rspec/support/version_checker.rb, line 44
def version_requirement
  ">= #{@min_patch_level}"
end