tidy-html5/regression_testing/test.rb

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#!/usr/bin/env ruby
###############################################################################
# test.rb
# Run this script with `help` for more information (or examine this file.)
#
# This script replaces the previous tools-cmd and tools-sh shell scripts,
# as a single, cross-platform means of providing regression testing support
# for HTML Tidy.
###############################################################################
require 'rubygems' # Ensure bundler is used.
require 'bundler/setup' # Make sure the Gemfile is recognized.
require 'logger' # Log output simplified.
require 'fileutils' # File utilities.
require 'thor' # Thor provides robust command line parameter parsing.
require 'tty-editor' # Cross-platform opening of files in default editor.
################################################################################
# module TidyRegressionTestModule
# This module encapsulates module-level variables, utilities, logging,
# and the CLI handling class.
###############################################################################
#noinspection RubyTooManyInstanceVariablesInspection
module TidyRegressionTestModule
###########################################################
# Setup
# Change these variables in case directories are changed.
# Note that DIR_TIDY can be changed with input options.
###########################################################
DIR_TEST_SETS = File.expand_path('cases')
EXE_TIDY = File.expand_path(File.join('..', 'build', 'cmake', 'tidy'))
VERSION_FILE = File.join(File.expand_path('..', File.dirname(__FILE__)), 'version.txt')
###########################################################
# The shared logger.
# This is a module-level logger, shared amongst everyone
# in a singleton-like fashion.
###########################################################
SHARED_LOGGER = Logger.new(STDOUT)
SHARED_LOGGER.level = Logger::ERROR
SHARED_LOGGER.datetime_format = '%Y-%m-%d %H:%M:%S'
WINDOWS_OS = (/cygwin|mswin|mingw|bccwin|wince|emx/ =~ RUBY_PLATFORM)
#############################################################################
# class TidyTestSet
# This class contains information a single test set.
#############################################################################
class TidyTestSet
attr_reader :test_set_name
attr_accessor :dir_test_set
attr_reader :dir_expects
attr_reader :dir_results
attr_reader :case_paths
attr_reader :case_names
attr_accessor :path_tidy_exe
#########################################################
# initialize
#########################################################
def initialize( with_directory:, path_to_tidy: )
@dir_expects = nil
@dir_results = nil
@case_paths = nil
self.dir_test_set = with_directory
self.path_tidy_exe = path_to_tidy
end
#########################################################
# property test_set_name
#########################################################
def test_set_name
@test_set_name
end
#########################################################
# property dir_test_set
#########################################################
def dir_test_set
@dir_test_set
end
def dir_test_set=( test_set_directory )
@test_set_name = File.basename(test_set_directory)[/(.*)-cases/,1]
candidate_expects = File.join(File.dirname(test_set_directory), "#{@test_set_name}-expects")
if File.exist?(candidate_expects)
@dir_test_set = test_set_directory
else
SHARED_LOGGER.warn("Skipping test set #{test_set_directory} because expectations directory #{candidate_expects} does not exist.")
@dir_test_set = nil
end
end
#########################################################
# property dir_expects
#########################################################
def dir_expects
unless @dir_expects
@dir_expects = File.join(File.dirname(self.dir_test_set), "#{@test_set_name}-expects")
end
@dir_expects
end
#########################################################
# property dir_results
#########################################################
def dir_results
unless @dir_results
@dir_results = File.join(File.dirname(self.dir_test_set), "#{@test_set_name}-results")
end
@dir_results
end
#########################################################
# property case_paths
#########################################################
def case_paths
unless @case_paths
@case_paths = []
Dir.glob("#{self.dir_test_set}/*.{html,xml,xhtml,htm}").sort.each do |html_file|
SHARED_LOGGER.info("Adding case path #{html_file}")
case_name = File.basename( html_file[/(.*)@/,1] )
candidate_expects_html = File.join( self.dir_expects, "#{case_name}#{File.extname(html_file)}" )
candidate_expects_output = File.join( self.dir_expects, "#{case_name}.txt" )
#noinspection RubyNilAnalysis -- this is a false positive, because we've explicitely made this an array.
@case_paths.push(html_file)
unless File.exist?(candidate_expects_html) && File.exist?(candidate_expects_output)
SHARED_LOGGER.warn("Note: #{html_file} is missing some expectations files in #{self.dir_expects}.")
end
end
end
@case_paths
end
#########################################################
# property case_names
#########################################################
def case_names
#noinspection RubyNilAnalysis -- cannot be nil at this point.
self.case_paths.map { |case_path| File.basename(case_path)[/^case-(.*)@.*$/,1] }
end
#########################################################
# property path_tidy_exe
#########################################################
def path_tidy_exe
@path_tidy_exe
end
def path_tidy_exe=( value )
unless File.exist?( value )
raise StandardError.new "The path #{value} to tidy doesnt exist."
end
unless File.executable?( value )
raise StandardError.new "The path #{value} to tidy is there, but isnt executable."
end
@path_tidy_exe = value
end
end # class TidyTestSet
#############################################################################
# class TidyTestCase
# This class contains information a single test case.
#############################################################################
class TidyTestCase
attr_accessor :path_file
attr_reader :name_test_set
attr_reader :name_case
attr_reader :path_config
attr_reader :expects_exit_code
attr_reader :dir_test_sets
attr_reader :dir_expects
attr_reader :dir_results
attr_reader :path_expects_html
attr_reader :path_expects_output
attr_reader :path_result_html
attr_reader :path_result_output
attr_accessor :path_tidy_exe
attr_reader :test_passed
attr_reader :test_report
attr_reader :test_exit_status
#########################################################
# initialize
#########################################################
def initialize( with_file:, path_to_tidy: )
@path_file = nil
@name_test_set = nil
@name_case = nil
@path_config = nil
@expects_exit_code = nil
@dir_test_sets = nil
@dir_expects = nil
@dir_results = nil
@path_expects_html = nil
@path_expects_output = nil
@path_result_html = nil
@path_result_output = nil
@path_tidy_exe = nil
@test_report = nil
@test_exit_status = nil
@test_complete = false
@test_diff_html = nil
@test_diff_html_status = nil
@test_diff_output = nil
@test_diff_output_status = nil
self.path_file = with_file
self.path_tidy_exe = path_to_tidy
end # initialize
#############################################################################
# Property Accessors
#############################################################################
#########################################################
# property path_file
#########################################################
def path_file
@path_file
end
def path_file=( value )
if File.exist?(File.expand_path(value))
@path_file = value
else
raise StandardError.new "File #{value} doesnt exist."
end
valid_extensions = %w(.html .xhtml .htm .xml)
unless valid_extensions.include?(File.extname(value).downcase)
raise StandardError.new "File #{value} doesnt have a correct extension (one of #{valid_extensions})."
end
@path_file = value
end
#########################################################
# property name_test_set
# This is the enclosing directory name, without the
# -cases suffix.
#########################################################
def name_test_set
unless @name_test_set
@name_test_set = File.basename( File.dirname(self.path_file)[/(.*)-cases/,1] )
end
@name_test_set
end
#########################################################
# property name_case
#########################################################
def name_case
unless @name_case
@name_case = File.basename(self.path_file)[/case-(.*)@/, 1]
end
@name_case
end
#########################################################
# property path_config
# The config file is either the same as the test case
# file (without the exit code metadata) and the .conf
# extension, or the config_default.conf if not found.
#########################################################
def path_config
unless @path_config
directory = File.dirname(self.path_file)
candidate = File.join( directory, "case-#{name_case}.conf" )
unless File.exist?(candidate)
candidate = File.join( directory, 'config_default.conf')
unless File.exist?(candidate)
raise StandardError.new "Case #{name_case} doesnt have a configuration file."
end
end
@path_config = candidate
end
@path_config
end
#########################################################
# property expects_exit_code
# This is the metadata between the @ and extension.
#########################################################
def expects_exit_code
unless @expects_exit_code
@expects_exit_code = File.basename(self.path_file)[/case-.*@(.)./, 1]
end
@expects_exit_code
end
#########################################################
# property dir_test_sets
# This is the directory containing the test sets.
#########################################################
def dir_test_sets
unless @dir_test_sets
@dir_test_sets = File.dirname( File.dirname(self.path_file) )
end
@dir_test_sets
end
#########################################################
# property dir_expects
# This is the directory within the test sets that
# contains the expectations files.
#########################################################
def dir_expects
unless @dir_expects
@dir_expects = File.join( self.dir_test_sets, "#{self.name_test_set}-expects" )
unless File.exist?(@dir_expects)
raise StandardError.new "The expectations directory #{dir_expects} doesnt seem to exist."
end
end
@dir_expects
end
#########################################################
# property dir_results
# This is the in-source directory where results will
# be generated.
#########################################################
def dir_results
unless @dir_results
@dir_results = File.join( self.dir_test_sets, "#{self.name_test_set}-results" )
unless File.exist?(@dir_results)
FileUtils.mkdir_p(@dir_results)
unless File.exist?(@dir_results)
raise StandardError.new "The expectations directory #{@dir_results} doesnt seem to exist and couldnt be created."
end
end
end
@dir_results
end
#########################################################
# property path_expects_html
# A file in the expectations directory with the same
# name as the HTML file (without @ metadata).
#########################################################
def path_expects_html
unless @path_expects_html
basename = File.basename(self.path_file)[/(.*)@/,1] + File.extname(self.path_file)
@path_expects_html = File.join( self.dir_expects, basename )
unless File.exist?(@path_expects_html)
SHARED_LOGGER.warn("The expectations file #{@path_expects_html} doesnt seem to exist.")
end
end
@path_expects_html
end
#########################################################
# property path_expects_output
# A file in the expectations directory with the same
# name as the HTML file (without @ metadata), but
# of type .txt.
#########################################################
def path_expects_output
unless @path_expects_output
basename = File.basename(self.path_file)[/(.*)@/,1] + '.txt'
@path_expects_output = File.join( self.dir_expects, basename )
unless File.exist?(@path_expects_output)
SHARED_LOGGER.warn("The expectations file #{@path_expects_output} doesnt seem to exist.")
end
end
@path_expects_output
end
#########################################################
# property path_result_html
# A file in the results directory with the same
# name as the HTML file (without @ metadata). This
# file doesn't necessarily exist until the test is
# executed.
#########################################################
def path_result_html
unless @path_result_html
basename = File.basename(self.path_file)[/(.*)@/,1] + File.extname(self.path_file)
@path_result_html = File.join( self.dir_results, basename )
end
@path_result_html
end
#########################################################
# property path_result_output
# A file in the results directory with the same
# name as the HTML file (without @ metadata), but
# of type .txt. This file doesn't necessarily exist
# until the test is executed.
#########################################################
def path_result_output
unless @path_result_output
basename = File.basename(self.path_file)[/(.*)@/,1] + '.txt'
@path_result_output = File.join( self.dir_results, basename )
end
@path_result_output
end
#########################################################
# property path_tidy_exe
#########################################################
def path_tidy_exe
@path_tidy_exe
end
def path_tidy_exe=( value )
unless File.exist?( value )
raise StandardError.new "The path #{value} to tidy doesnt exist."
end
unless File.executable?( value )
raise StandardError.new "The path #{value} to tidy is there, but isnt executable."
end
@path_tidy_exe = value
end
#########################################################
# property @test_passed
#########################################################
def test_passed
unless @test_complete
self.perform_test
end
@test_exit_status == self.expects_exit_code.to_i &&
@test_diff_html_status == 0 &&
@test_diff_output_status == 0
end
#########################################################
# property @test_report
#########################################################
def test_report
unless @test_complete
self.perform_test
end
if self.test_passed
result = "PASSED | status #{@test_exit_status} expected #{self.expects_exit_code} | #{self.path_file}\n"
else
result = WINDOWS_OS ? "\n++++++++++++++++++++\n" : "\n⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓⇓\n"
result += "FAILED | status #{@test_exit_status} expected #{self.expects_exit_code} | #{self.path_file}\n"
result += "\n#{@test_diff_html}" unless @test_diff_html_status == 0
result += "\n#{@test_diff_output}" unless @test_diff_output_status == 0
result += WINDOWS_OS ? "^^^^^^^^^^^^^^^^^^^^\n\n" : "⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑⇑\n\n"
end
result
end
#########################################################
# property @test_exit_status
#########################################################
def test_exit_status
@test_exit_status
end
#############################################################################
# Protected Methods
#############################################################################
protected
#########################################################
# perform_test
#########################################################
def perform_test
#--------------------------------------------------
# Remove existing output files, if any.
#--------------------------------------------------
File.delete(self.path_result_html) if File.exist?(self.path_result_html)
File.delete(self.path_result_output) if File.exist?(self.path_result_output)
#--------------------------------------------------
# Run HTML Tidy on the input file.
#--------------------------------------------------
shell_command = %Q<"#{self.path_tidy_exe}" -lang en_us -f "#{self.path_result_output}" -config "#{self.path_config}" --tidy-mark no -o "#{self.path_result_html}" "#{self.path_file}">
SHARED_LOGGER.info("Performing: #{shell_command}")
%x(#{shell_command})
@test_exit_status = $?.exitstatus
SHARED_LOGGER.info("Tidy exited with status: #{@test_exit_status}")
#--------------------------------------------------
# Get the diffs for the html files.
#--------------------------------------------------
diff_cmd = WINDOWS_OS ? 'fc /l' : 'diff -ua'
if File.exist?(self.path_expects_html)
shell_command = %Q<#{diff_cmd} "#{possible_windows_shell_path(self.path_expects_html)}" "#{possible_windows_shell_path(self.path_result_html)}">
SHARED_LOGGER.info("Performing: #{shell_command}")
@test_diff_html = %x( #{shell_command} )
@test_diff_html_status = $?.exitstatus
SHARED_LOGGER.info("diff/fc exited with status: #{@test_diff_html_status}")
else
# Although the HTML -expects file is missing, that might be by design, because
# some cases are Tidy failures and don't produce output. If the HTML -results
# is also missing, then this is actually a match, so we'll give it a pass.
if File.exist?(self.path_result_html)
@test_diff_html = "diff: Expectations file #{self.path_expects_html} is missing!"
else
@test_diff_html = ""
@test_diff_html_status = 0
end
end
#--------------------------------------------------
# Get the diffs for the output files.
#--------------------------------------------------
if File.exist?(self.path_expects_output)
shell_command = %Q<#{diff_cmd} "#{possible_windows_shell_path(self.path_expects_output)}" "#{possible_windows_shell_path(self.path_result_output)}">
SHARED_LOGGER.info("Performing: #{shell_command}")
@test_diff_output = %x( #{shell_command} )
@test_diff_output_status = $?.exitstatus
SHARED_LOGGER.info("diff/fc exited with status: #{@test_diff_output_status}")
else
@test_diff_output = "diff: Expectations file #{self.path_expects_output} is missing!"
end
@test_complete = true
end
###########################################################
# Sometimes Windows still rejects normal file path
# specifiers, such as the fc command, which thinks that
# the file isn't found when using forward slashes.
###########################################################
def possible_windows_shell_path(unix_path)
if WINDOWS_OS
unix_path.gsub(File::SEPARATOR, File::ALT_SEPARATOR || File::SEPARATOR)
else
unix_path
end
end
end # class TidyTestCase
#############################################################################
# class TidyRegressionTestCLI
# This class provides handlers for CLI parameters. Because it's such a
# simple application, it also serves as our Application.
#############################################################################
class TidyRegressionTestCLI < Thor
class_option :verbose,
:type => :boolean,
:desc => 'Provides verbose debug output.',
:aliases => '-v'
class_option :debug,
:type => :boolean,
:desc => 'Provides really verbose debug output.',
:aliases => '-d'
class_option :tidy,
:type => :string,
:desc => "Specify an alternate HTML Tidy binary instead of the default at #{EXE_TIDY}.",
:aliases => '-t'
#########################################################
# Property declarations
#########################################################
attr_accessor :tidy_path
attr_reader :all_test_sets # array of all test sets.
#########################################################
# Initialize
#########################################################
def initialize(args = nil, options = nil, config = nil)
super
set_options
end
#########################################################
# exit_on_failure?
#########################################################
def self.exit_on_failure?
true
end
#########################################################
# help
# Override the default help in order to better describe
# what we're doing.
#########################################################
def help(*args)
if args.count == 0
puts <<~HEREDOC
This script (#{File.basename($0)}) runs HTML Tidys regression tests. You can instruct
it to run all test sets, a single test set, or even a single case.
Complete Help:
--------------
HEREDOC
end
super
end # help
#########################################################
# test
# See long_desc
#########################################################
desc 'test', 'Runs all test cases in all test sets.'
option :omitpassed,
:type => :boolean,
:desc => 'Omits PASSED test cases to keep output quieter.',
:aliases => '-q'
long_desc <<-LONG_DESC
Runs all test cases in all test sets. Any directory in
#{DIR_TEST_SETS}
ending with '-cases' and having a matching '-expects' counterpart is
assumed to be a test set.
This command will exit with a non-zero exit code if any of tests
do no exit with the expected exit code, or if any of the output
produced does not match the expectation in '-expects'. It will
also fail if no test cases can be found.
Summary data will be printed to stdout, as well as any diffs in
the event of a regression test failure.
Use case: this is the general test you should perform when
deciding whether or not to accept changes to Tidy's source code.
LONG_DESC
def test
total_tested = 0
total_passed = 0
self.all_test_sets.each do |test_set|
test_set.case_paths.each do |case_file|
test_run = TidyTestCase.new(with_file: case_file, path_to_tidy: self.tidy_path)
puts test_run.test_report unless test_run.test_passed && options[:omitpassed]
total_tested += 1
total_passed += 1 if test_run.test_passed
end
end
self.print_report_footer( total_tested, total_passed )
raise Thor::Error, "Automated Testing Failed." if total_passed < total_tested
end # test
#########################################################
# only
# See long_desc
#########################################################
desc 'only <test_set_name>', 'Only runs all of the test cases in the test set given.'
option :omitpassed,
:type => :boolean,
:desc => 'Omits PASSED test cases to keep output quieter.',
:aliases => '-q'
long_desc <<-LONG_DESC
Runs all test cases in the given test set. Any directory in
#{DIR_TEST_SETS}
ending with '-cases' and having a matching '-expects' counterpart is
assumed to be a test set. The name of the test set does not include
the '-cases' suffix, and so do not provide it.
This command will exit with a non-zero exit code if any of tests
do no exit with the expected exit code, or if any of the output
produced does not match the expectation in '-expects'. It will
also fail if no test cases can be found.
Summary data will be printed to stdout, as well as any diffs in
the event of a regression test failure.
Use case: Use this command if you want to speed up testing, especially
if you already know that other test sets have already been tested
successfully.
LONG_DESC
def only( test_set_name )
total_tested = 0
total_passed = 0
test_set = all_test_sets.select { |test_case| test_case.test_set_name == test_set_name }.first
if test_set
test_set.case_paths.each do |case_file|
test_run = TidyTestCase.new(with_file: case_file, path_to_tidy: self.tidy_path)
puts test_run.test_report unless test_run.test_passed && options[:omitpassed]
total_tested += 1
total_passed += 1 if test_run.test_passed
end
self.print_report_footer( total_tested, total_passed )
else
puts "Test set #{test_set_name} could not be used, found, or does not meet conventions correctly."
end
raise Thor::Error, "Automated Testing Failed." if total_passed < total_tested
end # only
#########################################################
# case
# See long_desc
#########################################################
desc 'case <case_name>', 'Only tests a single case.'
long_desc <<-LONG_DESC
Run only the specific test case. If the same case name exists in
multiple test sets, then they will be tested in the order that
they are found. Dont give your cases the same name if you do not
wish to experience this behavior. Any directory in
#{DIR_TEST_SETS}
ending with '-cases' and having a matching '-expects' counterpart is
assumed to be a test set. Do not provide any prefix or suffix parts
of the case name.
This command will exit with a non-zero exit code if the test
does not exit with the expected exit code, or if any of the output
produced does not match the expectation in '-expects'. It will
also fail if the test cases cannot be found.
Summary data will be printed to stdout, as well as any diffs in
the event of a regression test failure.
Use case: Use this command if you want to speed up testing, especially
if you're adding a new test case.
LONG_DESC
def case( case_name )
total_tested = 0
total_passed = 0
self.all_test_sets.each do |test_set|
test_set.case_paths.select {|case_path| File.basename(case_path)[/^case-(.*)@.*$/,1] == case_name }.each do |case_file|
test_run = TidyTestCase.new(with_file: case_file, path_to_tidy: self.tidy_path)
puts test_run.test_report unless test_run.test_passed && options[:omitpassed]
total_tested += 1
total_passed += 1 if test_run.test_passed
end
end
self.print_report_footer( total_tested, total_passed )
raise Thor::Error, "Automated Testing Failed." if total_passed < total_tested
end # case
#########################################################
# qo
# See long_desc
#########################################################
desc 'qo <case_name>', 'Quick-Opens the case file, the -expects, and -results files.'
long_desc <<-LONG_DESC
Quick-Opens the specific test case in your environments default
text editor, as well as the corresponding -expects file and -results
files if present. Additionally, it will print the diff commands for your
operating system pointing to the html files and the output files,
respectively. This makes it easy to copy and paste if you would like
to see a diff view.
Use case: Use this command if a test case fails, and you want to view all of the
relevant files in your text editor for comparison.
LONG_DESC
def qo( case_name )
if WINDOWS_OS
diff_cmd = 'fc -l'
editor = TTY::Editor.new
else
diff_cmd = 'diff -ua'
# This means of instantiation is temporary until
# tty-editor is patched to trust the
program = File.basename(ENV['EDITOR'])
editor = TTY::Editor.new(command: program )
end
self.all_test_sets.each do |test_set|
test_set.case_paths.select {|case_path| File.basename(case_path)[/^case-(.*)@.*$/,1] == case_name }.each do |case_file|
# This will *not* run the tests and overwrite the files; that would only occur
# if we try to pull a test report. This makes it simple to get our paths.
test_run = TidyTestCase.new(with_file: case_file, path_to_tidy: self.tidy_path)
editor.open("#{test_run.path_file}") if File.exist?(test_run.path_file)
editor.open("#{test_run.path_config}") if File.exist?(test_run.path_config)
editor.open("#{test_run.path_expects_html}") if File.exist?(test_run.path_expects_html)
editor.open("#{test_run.path_expects_output}") if File.exist?(test_run.path_expects_output)
editor.open("#{test_run.path_result_html}") if File.exist?(test_run.path_result_html)
editor.open("#{test_run.path_result_output}") if File.exist?(test_run.path_result_output)
puts <<~HEREDOC
#{diff_cmd} #{test_run.path_expects_html} #{test_run.path_result_html}
#{diff_cmd} #{test_run.path_expects_output} #{test_run.path_result_output}
HEREDOC
end
end
end # qo
protected
#########################################################
# set_options
# Handles command line options.
#########################################################
def set_options
SHARED_LOGGER.level = Logger::WARN if options[:verbose]
SHARED_LOGGER.level = Logger::DEBUG if options[:debug]
self.tidy_path = options[:tidy] ? File.expand_path(options[:tidy]) : EXE_TIDY
end # set_options
#########################################################
# print_report_footer
#########################################################
def print_report_footer( total_tested, total_passed )
tidy_version = %x( #{self.tidy_path} --version )
tidy_version = tidy_version[/^.*(\d+\.\d+\.\d+).*/,1]
cases_version = File.open(VERSION_FILE).first.chomp
puts
puts "Note that no valid cases were found." if total_tested < 1
puts "Ran #{total_tested} tests, of which #{total_passed} passed and #{total_tested - total_passed} failed."
puts "Test conducted with HTML Tidy #{tidy_version} using test sets for version #{cases_version}."
end
#########################################################
# property tidy_path
#########################################################
def tidy_path
@tidy_path
end
def tidy_path=( value )
value += '.exe' if WINDOWS_OS && File.extname(value) != '.exe'
unless File.exist?( value )
raise StandardError.new "The path #{value} to tidy doesnt exist."
end
@tidy_path = value
end
#########################################################
# property all_test_sets
#########################################################
def all_test_sets
unless @all_test_sets
@all_test_sets = []
Dir.glob("#{DIR_TEST_SETS}/*-cases").select { |entry| File.directory? entry }.sort.each do |test_set_directory|
new_test_set = TidyTestSet.new(with_directory: test_set_directory, path_to_tidy: self.tidy_path)
unless new_test_set.dir_test_set.nil?
@all_test_sets.push(new_test_set)
end
end
end
@all_test_sets
end
end # TidyRegressionTestCLI
end # TidyRegressionTestModule
###########################################################
# Main
###########################################################
TidyRegressionTestModule::TidyRegressionTestCLI.start(ARGV)