238 lines
9 KiB
Ruby
Executable file
238 lines
9 KiB
Ruby
Executable file
#!/usr/bin/env ruby
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require 'pathname'
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$:.unshift Pathname.new(__FILE__).dirname.dirname.join('lib').to_s
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require 'dencli'
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require 'shellwords'
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require 'stringio'
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cli = DenCli.new :example, "This is an example for generate a DenCli-API"
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class Capture
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def initialize cli, verbose:
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@cli, @counter, @verbose = cli, 0, verbose
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end
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def capture
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@args = NilClass
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@counter += 1
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stdout, stderr = $stdout, $stderr
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$stdout = $stderr = StringIO.new
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begin
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yield stdout, stderr
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ensure
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$stderr, $stdout = stderr, stdout
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end
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end
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def args= args
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@args = args
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end
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def logstart command
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STDERR.printf "[% 4d] \e[1;35m? \e[0m %s tests %s\r", @counter, $0.shellescape, command.shelljoin
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end
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def logok command
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STDERR.printf "[% 4d] \e[1;32mok\e[0m %s tests %s\e[J\n", @counter, $0.shellescape, command.shelljoin
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end
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def logfail command
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STDERR.printf "[% 4d] \e[1;31mer\e[0m %s tests %s\e[J\n", @counter, $0.shellescape, command.shelljoin
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end
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def loginfo text
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STDERR.printf " %s\n", text
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end
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def should_ok expect, *command
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logstart command
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$capture.capture { @cli.call 'tests', *command }
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if expect === @args
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logok command
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else
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logfail command
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loginfo "expected args: #{expect.inspect}"
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loginfo "given args: #{@args.inspect}"
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STDERR.puts
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end
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rescue SystemExit
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if 0 == $!.status
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logok command
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else
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logfail command
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end
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rescue Object
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logfail command
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loginfo "unexpected raise: (#{$!.class.name}) #$!"
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STDERR.puts
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end
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def should_fail exception, message, *command
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logstart command
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$capture.capture { @cli.call 'tests', *command }
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logfail command
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rescue exception
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if message === $!.message
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logok command
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if @verbose
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loginfo "raised: (#{$!.class.name}) #$!"
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STDERR.puts
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end
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else
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loginfo "unexpected message: (#{$!.class.name}) #$!"
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STDERR.puts
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end
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rescue Object
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logfail command
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loginfo "unexpected raised: (#{$!.class.name}) #$!"
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STDERR.puts
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end
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end
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cli.sub :tests, "Some tests", noshortaliases: true do |tcli|
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tcli.cmd( :'-', "No arguments no options expected", &lambda {|| $capture.args = [] })
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tcli.cmd( :'arg', "", &lambda {|one| $capture.args = [one] })
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tcli.cmd( :'oar', "", &lambda {|one=nil| $capture.args = [one] })
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tcli.cmd( :'arg-arg', "", &lambda {|one, two| $capture.args = [one, two] })
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tcli.cmd( :'oar-oar', "", &lambda {|one=nil, two=nil| $capture.args = [one, two] })
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tcli.cmd( :'arg-oar', "expected", &lambda {|one, two=nil| $capture.args = [one, two] })
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tcli.cmd( :'oar-arg', "expected", &lambda {|one=nil, two| $capture.args = [one, two] })
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tcli.cmd( :'bool', '', &lambda {|a:| $capture.args = [a] }).opt(:a, '-a', '')
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tcli.cmd( :'optbool', '', &lambda {|a: nil| $capture.args = [a] }).opt(:a, '-a', '')
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tcli.cmd( :'defbool', '', &lambda {|a:| $capture.args = [a] }).opt(:a, '-a', '', default: 'default')
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tcli.cmd( :'str', '', &lambda {|a:| $capture.args = [a] }).opt(:a, '-a=STR', '')
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tcli.cmd( :'lstr', '', &lambda {|a:| $capture.args = [a] }).opt(:a, '--astr=STR', '')
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tcli.cmd( :'bstr', '', &lambda {|a:| $capture.args = [a] }).opt(:a, '-a', '--astr=STR', '')
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tcli.cmd( :run, "Run all tests") do |verbose:|
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$capture = Capture.new cli, verbose: verbose
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$capture.should_fail DenCli::UnknownCommand, //, 'unknown-command'
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$capture.should_ok [], '-'
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$capture.should_fail DenCli::UsageError, //, '-', 'unexpected'
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$capture.should_ok %w[first], 'arg', 'first'
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$capture.should_fail DenCli::UsageError, //, 'arg'
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$capture.should_fail DenCli::UsageError, //, 'arg', 'first', 'unexpected'
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$capture.should_ok %w[first], 'oar', 'first'
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$capture.should_ok [nil], 'oar'
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$capture.should_fail DenCli::UsageError, //, 'oar', 'first', 'unexpected'
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$capture.should_ok %w[first two], 'oar-oar', 'first', 'two'
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$capture.should_ok ['first', nil], 'oar-oar', 'first'
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$capture.should_ok [nil,nil], 'oar-oar'
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$capture.should_fail DenCli::UsageError, //, 'oar-oar', 'first', 'two', 'unexpected'
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$capture.should_ok %w[first two], 'arg-oar', 'first', 'two'
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$capture.should_ok ['first', nil], 'arg-oar', 'first'
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$capture.should_fail DenCli::UsageError, //, 'arg-oar'
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$capture.should_ok [nil, 'first'], 'oar-arg', 'first'
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$capture.should_ok ['first', 'second'], 'oar-arg', 'first', 'second'
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$capture.should_fail DenCli::UsageError, //, 'oar-arg'
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$capture.should_fail DenCli::UsageError, //, 'oar-arg', 'first', 'two', 'unexpected'
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$capture.should_ok [true], 'bool', '-a'
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$capture.should_fail DenCli::UsageError, //, 'bool'
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$capture.should_fail DenCli::UsageError, //, 'bool', '-a', 'unexpected'
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$capture.should_fail OptionParser::InvalidOption, //, 'bool', '-b'
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$capture.should_fail OptionParser::InvalidOption, //, 'bool', '--unexpected'
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$capture.should_fail DenCli::UsageError, //, 'bool', 'unexpected'
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$capture.should_ok [true], 'optbool', '-a'
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$capture.should_ok [nil], 'optbool'
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$capture.should_fail DenCli::UsageError, //, 'optbool', '-a', 'unexpected'
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$capture.should_fail OptionParser::InvalidOption, //, 'optbool', '-b'
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$capture.should_fail OptionParser::InvalidOption, //, 'optbool', '--unexpected'
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$capture.should_fail DenCli::UsageError, //, 'optbool', 'unexpected'
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$capture.should_ok [true], 'defbool', '-a'
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$capture.should_ok ['default'], 'defbool'
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$capture.should_fail DenCli::UsageError, //, 'defbool', '-a', 'unexpected'
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$capture.should_fail OptionParser::InvalidOption, //, 'defbool', '-b'
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$capture.should_fail OptionParser::InvalidOption, //, 'defbool', '--unexpected'
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$capture.should_fail DenCli::UsageError, //, 'defbool', 'unexpected'
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$capture.should_ok %w[first], 'str', '-a', 'first'
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$capture.should_ok %w[first], 'str', '-afirst'
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$capture.should_fail OptionParser::MissingArgument, //, 'str', '-a'
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$capture.should_fail DenCli::UsageError, //, 'str'
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$capture.should_fail OptionParser::InvalidOption, //, 'str', '-b'
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$capture.should_fail OptionParser::InvalidOption, //, 'str', '--unexpected'
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$capture.should_fail DenCli::UsageError, //, 'str', 'unexpected'
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$capture.should_ok %w[first], 'lstr', '--astr', 'first'
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$capture.should_ok %w[first], 'lstr', '--astr=first'
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$capture.should_fail OptionParser::MissingArgument, //, 'lstr', '--astr'
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$capture.should_fail DenCli::UsageError, //, 'lstr'
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$capture.should_fail OptionParser::InvalidOption, //, 'lstr', '-b'
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$capture.should_fail OptionParser::InvalidOption, //, 'lstr', '--unexpected'
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$capture.should_fail DenCli::UsageError, //, 'lstr', 'unexpected'
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$capture.should_ok %w[first], 'bstr', '-a', 'first'
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$capture.should_ok %w[first], 'bstr', '-afirst'
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$capture.should_ok %w[first], 'bstr', '--astr', 'first'
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$capture.should_ok %w[first], 'bstr', '--astr=first'
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$capture.should_fail OptionParser::MissingArgument, //, 'bstr', '--astr'
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$capture.should_fail OptionParser::MissingArgument, //, 'bstr', '-a'
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$capture.should_fail DenCli::UsageError, //, 'bstr'
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$capture.should_fail OptionParser::InvalidOption, //, 'bstr', '-b'
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$capture.should_fail OptionParser::InvalidOption, //, 'bstr', '--unexpected'
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$capture.should_fail DenCli::UsageError, //, 'bstr', 'unexpected'
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end.opt( :verbose, '-v', 'Prints additional information per test', default: false)
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end
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cli.cmd( :args, "Expects and prints given arguments",
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&lambda {|a, b, c:, d:, e:, f:, g:|
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p a: a, b: b, c: c, d: d, e: e
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}).
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opt( :c, '-c=ForC', "Option c").
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opt( :d, '-dForD', "Option d", default: "something").
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opt( :e, '-e', "Toggle e", default: false).
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opt( :f, '--[no-]f', "Toggle f", default: false).
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opt( :g, '--long-option=sth', "Long option, no short option", default: "nothing").
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opt( :h, '-hsth', "No long option, only short option", default: "nothing")
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cli.cmd( :example, "I have an example command") { $stderr.puts "This is an example" }
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cli.cmd( :help, "An example for help", aliases: [nil, '-h', '--help'], &lambda {|*commands, full:|
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if full
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cli.help_full *commands, output: $stderr
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else
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cli.help *commands, output: $stderr
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end
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}).
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opt( :full, '-f', '--[no-]full', "Print all commands and sub-commands.", default: false)
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cli.sub( :more, "Sub-Commands are also possible with a new cli") do |sub|
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sub.cmd( :help, "", aliases: [nil, '-h', '--help']) {|*args| $stderr.puts sub.help(*args) }
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sub.cmd( :example, "Here is an example, too") { $stderr.puts "This is an other example" }
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sub.cmd( :foo, "BAR") { $stderr.puts "FOO bar"}
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sub.cmd( :args, "Expects and prints given arguments", &lambda {|a, b=1, c:, d: 5, e:|
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p a: a, b: b, c: c, d: d, e: e
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}).
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opt( :c, '-c=ForC', "Option c").
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opt( :d, '-d=ForD', "Option d (implicit default)").
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opt( :e, '-e', "Toggle e")
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sub.sub( :deeper, "You want to have Sub-Sub-Commands?") do |sub2|
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sub2.cmd( :help, "", aliases: [nil, '-h', '--help'], &lambda {|*commands| sub2.help( *commands, output: $stderr) })
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sub2.cmd( :last, "The last example", &lambda { $stderr.puts "The last example" })
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sub2.sub( :'sub-commands', "Endless Sub-Sub- ...") do |sub3|
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sub3.cmd( :help, "") {|*args| $stderr.puts sub3.help( sub3, *args) }
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sub3.cmd( :hehe, "The real last example", min: 2) { $stderr.puts "Trust me!" }
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end
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end
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end
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begin
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cli.call *ARGV
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rescue DenCli::UsageError
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$stderr.puts $!
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exit 1
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end
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