openstreetmap-website/vendor/gems/rspec-1.1.2/lib/spec/runner/option_parser.rb
2008-01-22 16:39:09 +00:00

229 lines
11 KiB
Ruby

require 'optparse'
require 'stringio'
module Spec
module Runner
class OptionParser < ::OptionParser
class << self
def parse(args, err, out)
parser = new(err, out)
parser.parse(args)
parser.options
end
end
attr_reader :options
OPTIONS = {
:diff => ["-D", "--diff [FORMAT]", "Show diff of objects that are expected to be equal when they are not",
"Builtin formats: unified|u|context|c",
"You can also specify a custom differ class",
"(in which case you should also specify --require)"],
:colour => ["-c", "--colour", "--color", "Show coloured (red/green) output"],
:example => ["-e", "--example [NAME|FILE_NAME]", "Execute example(s) with matching name(s). If the argument is",
"the path to an existing file (typically generated by a previous",
"run using --format failing_examples:file.txt), then the examples",
"on each line of thatfile will be executed. If the file is empty,",
"all examples will be run (as if --example was not specified).",
" ",
"If the argument is not an existing file, then it is treated as",
"an example name directly, causing RSpec to run just the example",
"matching that name"],
:specification => ["-s", "--specification [NAME]", "DEPRECATED - use -e instead", "(This will be removed when autotest works with -e)"],
:line => ["-l", "--line LINE_NUMBER", Integer, "Execute behaviout or specification at given line.",
"(does not work for dynamically generated specs)"],
:format => ["-f", "--format FORMAT[:WHERE]", "Specifies what format to use for output. Specify WHERE to tell",
"the formatter where to write the output. All built-in formats",
"expect WHERE to be a file name, and will write to STDOUT if it's",
"not specified. The --format option may be specified several times",
"if you want several outputs",
" ",
"Builtin formats for examples: ",
"progress|p : Text progress",
"profile|o : Text progress with profiling of 10 slowest examples",
"specdoc|s : Example doc as text",
"html|h : A nice HTML report",
"failing_examples|e : Write all failing examples - input for --example",
"failing_example_groups|g : Write all failing example groups - input for --example",
" ",
"Builtin formats for stories: ",
"plain|p : Plain Text",
"html|h : A nice HTML report",
" ",
"FORMAT can also be the name of a custom formatter class",
"(in which case you should also specify --require to load it)"],
:require => ["-r", "--require FILE", "Require FILE before running specs",
"Useful for loading custom formatters or other extensions.",
"If this option is used it must come before the others"],
:backtrace => ["-b", "--backtrace", "Output full backtrace"],
:loadby => ["-L", "--loadby STRATEGY", "Specify the strategy by which spec files should be loaded.",
"STRATEGY can currently only be 'mtime' (File modification time)",
"By default, spec files are loaded in alphabetical order if --loadby",
"is not specified."],
:reverse => ["-R", "--reverse", "Run examples in reverse order"],
:timeout => ["-t", "--timeout FLOAT", "Interrupt and fail each example that doesn't complete in the",
"specified time"],
:heckle => ["-H", "--heckle CODE", "If all examples pass, this will mutate the classes and methods",
"identified by CODE little by little and run all the examples again",
"for each mutation. The intent is that for each mutation, at least",
"one example *should* fail, and RSpec will tell you if this is not the",
"case. CODE should be either Some::Module, Some::Class or",
"Some::Fabulous#method}"],
:dry_run => ["-d", "--dry-run", "Invokes formatters without executing the examples."],
:options_file => ["-O", "--options PATH", "Read options from a file"],
:generate_options => ["-G", "--generate-options PATH", "Generate an options file for --options"],
:runner => ["-U", "--runner RUNNER", "Use a custom Runner."],
:drb => ["-X", "--drb", "Run examples via DRb. (For example against script/spec_server)"],
:version => ["-v", "--version", "Show version"],
:help => ["-h", "--help", "You're looking at it"]
}
def initialize(err, out)
super()
@error_stream = err
@out_stream = out
@options = Options.new(@error_stream, @out_stream)
@spec_parser = SpecParser.new
@file_factory = File
self.banner = "Usage: spec (FILE|DIRECTORY|GLOB)+ [options]"
self.separator ""
on(*OPTIONS[:diff]) {|diff| @options.parse_diff(diff)}
on(*OPTIONS[:colour]) {@options.colour = true}
on(*OPTIONS[:example]) {|example| @options.parse_example(example)}
on(*OPTIONS[:specification]) {|example| @options.parse_example(example)}
on(*OPTIONS[:line]) {|line_number| @options.line_number = line_number.to_i}
on(*OPTIONS[:format]) {|format| @options.parse_format(format)}
on(*OPTIONS[:require]) {|requires| invoke_requires(requires)}
on(*OPTIONS[:backtrace]) {@options.backtrace_tweaker = NoisyBacktraceTweaker.new}
on(*OPTIONS[:loadby]) {|loadby| @options.loadby = loadby}
on(*OPTIONS[:reverse]) {@options.reverse = true}
on(*OPTIONS[:timeout]) {|timeout| @options.timeout = timeout.to_f}
on(*OPTIONS[:heckle]) {|heckle| @options.load_heckle_runner(heckle)}
on(*OPTIONS[:dry_run]) {@options.dry_run = true}
on(*OPTIONS[:options_file]) {|options_file| parse_options_file(options_file)}
on(*OPTIONS[:generate_options]) do |options_file|
end
on(*OPTIONS[:runner]) do |runner|
@options.user_input_for_runner = runner
end
on(*OPTIONS[:drb]) {}
on(*OPTIONS[:version]) {parse_version}
on_tail(*OPTIONS[:help]) {parse_help}
end
def order!(argv, &blk)
@argv = argv
@options.argv = @argv.dup
return if parse_generate_options
return if parse_drb
super(@argv) do |file|
@options.files << file
blk.call(file) if blk
end
if @options.line_number
set_spec_from_line_number
end
@options
end
protected
def invoke_requires(requires)
requires.split(",").each do |file|
require file
end
end
def parse_options_file(options_file)
option_file_args = IO.readlines(options_file).map {|l| l.chomp.split " "}.flatten
@argv.push(*option_file_args)
end
def parse_generate_options
# Remove the --generate-options option and the argument before writing to file
options_file = nil
['-G', '--generate-options'].each do |option|
if index = @argv.index(option)
@argv.delete_at(index)
options_file = @argv.delete_at(index)
end
end
if options_file
write_generated_options(options_file)
return true
else
return false
end
end
def write_generated_options(options_file)
File.open(options_file, 'w') do |io|
io.puts @argv.join("\n")
end
@out_stream.puts "\nOptions written to #{options_file}. You can now use these options with:"
@out_stream.puts "spec --options #{options_file}"
@options.examples_should_not_be_run
end
def parse_drb
is_drb = false
argv = @options.argv
is_drb ||= argv.delete(OPTIONS[:drb][0])
is_drb ||= argv.delete(OPTIONS[:drb][1])
return nil unless is_drb
@options.examples_should_not_be_run
DrbCommandLine.run(
self.class.parse(argv, @error_stream, @out_stream)
)
true
end
def parse_version
@out_stream.puts ::Spec::VERSION::DESCRIPTION
exit if stdout?
end
def parse_help
@out_stream.puts self
exit if stdout?
end
def set_spec_from_line_number
if @options.examples.empty?
if @options.files.length == 1
if @file_factory.file?(@options.files[0])
source = @file_factory.open(@options.files[0])
example = @spec_parser.spec_name_for(source, @options.line_number)
@options.parse_example(example)
elsif @file_factory.directory?(@options.files[0])
@error_stream.puts "You must specify one file, not a directory when using the --line option"
exit(1) if stderr?
else
@error_stream.puts "#{@options.files[0]} does not exist"
exit(2) if stderr?
end
else
@error_stream.puts "Only one file can be specified when using the --line option: #{@options.files.inspect}"
exit(3) if stderr?
end
else
@error_stream.puts "You cannot use both --line and --example"
exit(4) if stderr?
end
end
def stdout?
@out_stream == $stdout
end
def stderr?
@error_stream == $stderr
end
end
end
end