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# http://www.ruby-doc.org/stdlib/libdoc/optparse/rdoc/classes/OptionParser.html
require 'optparse'
module RSpec::Core
class Parser
def self.parse!(args)
new.parse!(args)
end
class << self
alias_method :parse, :parse!
end
def parse!(args)
return {} if args.empty?
if args.include?("--formatter")
RSpec.deprecate("the --formatter option", "-f or --format")
args[args.index("--formatter")] = "--format"
end
options = args.delete('--tty') ? {:tty => true} : {}
parser(options).parse!(args)
options
end
alias_method :parse, :parse!
def parser(options)
OptionParser.new do |parser|
parser.banner = "Usage: rspec [options] [files or directories]\n\n"
parser.on('-I PATH', 'Specify PATH to add to $LOAD_PATH (may be used more than once).') do |dir|
options[:libs] ||= []
options[:libs] << dir
end
parser.on('-r', '--require PATH', 'Require a file.') do |path|
options[:requires] ||= []
options[:requires] << path
end
parser.on('-O', '--options PATH', 'Specify the path to a custom options file.') do |path|
options[:custom_options_file] = path
end
parser.on('--order TYPE[:SEED]', 'Run examples by the specified order type.',
' [default] files are ordered based on the underlying file',
' system\'s order',
' [rand] randomize the order of files, groups and examples',
' [random] alias for rand',
' [random:SEED] e.g. --order random:123') do |o|
options[:order] = o
end
parser.on('--seed SEED', Integer, 'Equivalent of --order rand:SEED.') do |seed|
options[:order] = "rand:#{seed}"
end
parser.on('-d', '--debugger', 'Enable debugging.') do |o|
options[:debug] = true
end
parser.on('--fail-fast', 'Abort the run on first failure.') do |o|
options[:fail_fast] = true
end
parser.on('--failure-exit-code CODE', Integer, 'Override the exit code used when there are failing specs.') do |code|
options[:failure_exit_code] = code
end
parser.on('-X', '--[no-]drb', 'Run examples via DRb.') do |o|
options[:drb] = o
end
parser.on('--drb-port PORT', 'Port to connect to the DRb server.') do |o|
options[:drb_port] = o.to_i
end
parser.on('--init', 'Initialize your project with RSpec.') do |cmd|
ProjectInitializer.new(cmd).run
exit
end
parser.on('--configure', 'Deprecated. Use --init instead.') do |cmd|
warn "--configure is deprecated with no effect. Use --init instead."
exit
end
parser.separator("\n **** Output ****\n\n")
parser.on('-f', '--format FORMATTER', 'Choose a formatter.',
' [p]rogress (default - dots)',
' [d]ocumentation (group and example names)',
' [h]tml',
' [t]extmate',
' custom formatter class name') do |o|
options[:formatters] ||= []
options[:formatters] << [o]
end
parser.on('-o', '--out FILE',
'Write output to a file instead of STDOUT. This option applies',
' to the previously specified --format, or the default format',
' if no format is specified.'
) do |o|
options[:formatters] ||= [['progress']]
options[:formatters].last << o
end
parser.on('-b', '--backtrace', 'Enable full backtrace.') do |o|
options[:full_backtrace] = true
end
parser.on('-c', '--[no-]color', '--[no-]colour', 'Enable color in the output.') do |o|
options[:color] = o
end
parser.on('-p', '--profile', 'Enable profiling of examples and list 10 slowest examples.') do |o|
options[:profile_examples] = o
end
parser.separator <<-FILTERING
**** Filtering/tags ****
In addition to the following options for selecting specific files, groups,
or examples, you can select a single example by appending the line number to
the filename:
rspec path/to/a_spec.rb:37
FILTERING
parser.on('-P', '--pattern PATTERN', 'Load files matching pattern (default: "spec/**/*_spec.rb").') do |o|
options[:pattern] = o
end
parser.on('-e', '--example STRING', "Run examples whose full nested names include STRING (may be',
' used more than once)") do |o|
(options[:full_description] ||= []) << Regexp.compile(Regexp.escape(o))
end
parser.on('-l', '--line_number LINE', 'Specify line number of an example or group (may be',
' used more than once).') do |o|
(options[:line_numbers] ||= []) << o
end
parser.on('-t', '--tag TAG[:VALUE]',
'Run examples with the specified tag, or exclude examples',
'by adding ~ before the tag.',
' - e.g. ~slow',
' - TAG is always converted to a symbol') do |tag|
filter_type = tag =~ /^~/ ? :exclusion_filter : :inclusion_filter
name,value = tag.gsub(/^(~@|~|@)/, '').split(':')
name = name.to_sym
options[filter_type] ||= {}
options[filter_type][name] = value.nil? ? true : eval(value) rescue value
end
parser.on('--default_path PATH', 'Set the default path where RSpec looks for examples (can',
' be a path to a file or a directory).') do |path|
options[:default_path] = path
end
parser.separator("\n **** Utility ****\n\n")
parser.on('-v', '--version', 'Display the version.') do
puts RSpec::Core::Version::STRING
exit
end
parser.on_tail('-h', '--help', "You're looking at it.") do
puts parser
exit
end
end
end
end
end
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