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require "ostruct"
require "optparse"
require "rake/file_list"
require "method_source"
module Rails
class TestRunner
class Options
def self.parse(args)
options = { backtrace: false, name: nil }
opt_parser = ::OptionParser.new do |opts|
opts.banner = "Usage: bin/rails test [options]"
opts.separator ""
opts.separator "Filter options:"
opts.on("-n", "--name [NAME]",
"Only run tests matching NAME") do |name|
options[:name] = name
end
opts.separator ""
opts.separator "Output options:"
opts.on("-b", "--backtrace",
"show the complte backtrace") do
options[:backtrace] = true
end
opts.separator ""
opts.separator "Common options:"
opts.on_tail("-h", "--help", "Show this message") do
puts opts
exit
end
end
opt_parser.order!(args)
options[:pattern] = ARGV.shift
options
end
end
def initialize(options = {})
@options = options
end
def run
enable_backtrace if @options[:backtrace]
run_tests
end
def find_method
return @options[:name] if @options[:name]
return if @line.blank?
method = test_methods.find do |test_method, start_line, end_line|
(start_line..end_line).include?(@line.to_i)
end
method.first if method
end
private
def run_tests
test_files.to_a.each do |file|
require File.expand_path file
end
end
NAMED_PATTERNS = {
"models" => "test/models/**/*_test.rb"
}
def test_files
if @options[:pattern]
pattern = NAMED_PATTERNS[@options[:pattern]]
unless pattern
filename, @line = @options[:pattern].split(':')
return [filename] if filename
end
else
pattern = "test/**/*_test.rb"
end
Rake::FileList[pattern]
end
def enable_backtrace
ENV["BACKTRACE"] = "1"
end
def test_methods
methods_map = []
suites = Minitest::Runnable.runnables.shuffle
suites.each do |suite_class|
suite_class.runnable_methods.each do |test_method|
method = suite_class.instance_method(test_method)
start_line = method.source_location.last
end_line = method.source.split("\n").size + start_line - 1
methods_map << [test_method, start_line, end_line]
end
end
methods_map
end
end
end
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