updated cli.rb for new API and added tests for cli
This commit is contained in:
John Mair
parent
d438a2f037
commit
6a799a7fcd
2
bin/pry
2
bin/pry
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@ -13,4 +13,4 @@ rescue LoadError
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end
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# Process command line options and run Pry
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Pry::CLI.run
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Pry::CLI.parse_options
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240
lib/pry/cli.rb
240
lib/pry/cli.rb
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@ -1,124 +1,152 @@
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class Pry
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# Manage the processing of command line options
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class CLI
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NoOptionsError = Class.new(StandardError)
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class << self
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# @return [Proc] The Proc defining the valid command line options.
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attr_accessor :options
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# @return [Array] The Procs that process the parsed options.
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attr_accessor :option_processors
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# Add another set of CLI options
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def add_options(&block)
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if options
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old_options = options
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self.options = proc do
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instance_exec(&old_options)
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instance_exec(&block)
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end
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else
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self.options = block
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end
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self
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end
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# Bring in options defined in plugins
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def add_plugin_options
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Pry.plugins.values.each do |plugin|
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plugin.load_cli_options
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end
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self
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end
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# Add a block responsible for processing parsed options.
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def process_options(&block)
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self.option_processors ||= []
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option_processors << block
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self
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end
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# Clear `options` and `option_processors`
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def reset
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self.options = nil
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self.option_processors = nil
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end
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def parse_options(args=ARGV)
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raise NoOptionsError, "No command line options defined! Use Pry::CLI.add_options to add command line options." if !options
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opts = Slop.parse(args, :help => true, :multiple_switches => false, &options)
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option_processors.each { |processor| processor.call(opts) } if option_processors # option processors are optional
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self
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end
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end
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# The default Pry command line options (before plugin options are included)
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def self.default_options
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proc do
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banner %{Usage: pry [OPTIONS]
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reset
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end
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end
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# Bring in options defined by plugins
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Pry::CLI.add_plugin_options
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# The default Pry command line options (before plugin options are included)
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Pry::CLI.add_options do
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banner %{Usage: pry [OPTIONS]
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Start a Pry session.
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See: `https://github.com/pry` for more information.
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Copyright (c) 2011 John Mair (banisterfiend)
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--
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}
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on :e, :exec, "A line of code to execute in context before the session starts", true
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on :e, :exec, "A line of code to execute in context before the session starts", true
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on "no-pager", "Disable pager for long output" do
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Pry.config.pager = false
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end
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on "no-history", "Disable history loading" do
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Pry.config.history.should_load = false
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end
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on "no-color", "Disable syntax highlighting for session" do
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Pry.color = false
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end
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on :f, "Suppress loading of ~/.pryrc" do
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# load ~/.pryrc, if not suppressed with -f option
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Pry.config.should_load_rc = false
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end
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on "no-plugins", "Suppress loading of plugins." do
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# suppress plugins if given --no-plugins optino
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Pry.config.plugins.enabled = false
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end
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on "installed-plugins", "List installed plugins." do
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puts "Installed Plugins:"
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puts "--"
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Pry.locate_plugins.each do |plugin|
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puts "#{plugin.name}".ljust(18) + plugin.spec.summary
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end
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exit
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end
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on "simple-prompt", "Enable simple prompt mode" do
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Pry.config.prompt = Pry::SIMPLE_PROMPT
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end
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on :r, :require, "`require` a Ruby script at startup", true do |file|
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Pry.config.requires << file
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end
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on :I, "Add a path to the $LOAD_PATH", true do |path|
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$LOAD_PATH << path
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end
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on :v, :version, "Display the Pry version" do
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puts "Pry version #{Pry::VERSION} on Ruby #{RUBY_VERSION}"
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exit
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end
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on(:c, :context,
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"Start the session in the specified context. Equivalent to `context.pry` in a session.",
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true,
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:default => "TOPLEVEL_BINDING"
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)
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end
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end
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# initialize the options block to the default
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self.options = default_options
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# Bring in other options defined in a sister proc
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def self.add_options(&block)
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old_options = @options
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@options = proc do
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instance_exec(&old_options)
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instance_exec(&block)
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end
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end
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# Bring in options defined in plugins
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def self.add_plugin_options
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Pry.plugins.values.each do |plugin|
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plugin.load_cli_options
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end
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end
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# Process all options, including those from plugins.
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# @param [Array] args The array of options.
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def self.run(args=ARGV)
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add_plugin_options
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process_options(args)
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end
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# Process the current options block.
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# @param [Array] args The array of options.
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def self.process_options(args)
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opts = Slop.parse(args, :help => true, :multiple_switches => false, &options)
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# invoked via cli
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Pry.cli = true
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# create the actual context
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context = Pry.binding_for(eval(opts[:context]))
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if opts[:exec]
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exec_string = opts[:exec] + "\n"
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else
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exec_string = ""
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end
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# Start the session (running any code passed with -e, if there is any)
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Pry.start(context, :input => StringIO.new(exec_string))
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end
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on "no-pager", "Disable pager for long output" do
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Pry.config.pager = false
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end
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on "no-history", "Disable history loading" do
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Pry.config.history.should_load = false
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end
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on "no-color", "Disable syntax highlighting for session" do
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Pry.color = false
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end
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on :f, "Suppress loading of ~/.pryrc" do
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# load ~/.pryrc, if not suppressed with -f option
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Pry.config.should_load_rc = false
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end
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on "no-plugins", "Suppress loading of plugins." do
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# suppress plugins if given --no-plugins optino
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Pry.config.plugins.enabled = false
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end
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on "installed-plugins", "List installed plugins." do
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puts "Installed Plugins:"
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puts "--"
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Pry.locate_plugins.each do |plugin|
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puts "#{plugin.name}".ljust(18) + plugin.spec.summary
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end
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exit
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end
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on "simple-prompt", "Enable simple prompt mode" do
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Pry.config.prompt = Pry::SIMPLE_PROMPT
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end
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on :r, :require, "`require` a Ruby script at startup", true do |file|
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Pry.config.requires << file
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end
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on :I, "Add a path to the $LOAD_PATH", true do |path|
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$LOAD_PATH << path
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end
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on :v, :version, "Display the Pry version" do
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puts "Pry version #{Pry::VERSION} on Ruby #{RUBY_VERSION}"
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exit
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end
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on(:c, :context,
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"Start the session in the specified context. Equivalent to `context.pry` in a session.",
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true,
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:default => "TOPLEVEL_BINDING"
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)
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end.process_options do |opts|
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# invoked via cli
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Pry.cli = true
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# create the actual context
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context = Pry.binding_for(eval(opts[:context]))
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if opts[:exec]
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exec_string = opts[:exec] + "\n"
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else
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exec_string = ""
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end
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# Start the session (running any code passed with -e, if there is any)
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Pry.start(context, :input => StringIO.new(exec_string))
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end
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@ -0,0 +1,78 @@
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require 'helper'
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describe Pry::Hooks do
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before do
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Pry::CLI.reset
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end
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describe "parsing options" do
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it 'should raise if no options defined' do
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lambda { Pry::CLI.parse_options(["--nothing"]) }.should.raise Pry::CLI::NoOptionsError
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end
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end
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describe "adding options" do
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it "should be able to add an option" do
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run = false
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Pry::CLI.add_options do
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on :optiontest, "A test option" do
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run = true
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end
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end.parse_options(["--optiontest"])
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run.should == true
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end
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it "should be able to add multiple options" do
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run = false
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run2 = false
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Pry::CLI.add_options do
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on :optiontest, "A test option" do
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run = true
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end
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end.add_options do
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on :optiontest2, "Another test option" do
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run2 = true
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end
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end.parse_options(["--optiontest", "--optiontest2"])
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run.should == true
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run2.should == true
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end
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end
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describe "processing options" do
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it "should be able to process an option" do
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run = false
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Pry::CLI.add_options do
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on :optiontest, "A test option"
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end.process_options do |opts|
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run = true if opts.present?(:optiontest)
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end.parse_options(["--optiontest"])
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run.should == true
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end
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it "should be able to process multiple options" do
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run = false
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run2 = false
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Pry::CLI.add_options do
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on :optiontest, "A test option"
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on :optiontest2, "Another test option"
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end.process_options do |opts|
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run = true if opts.present?(:optiontest)
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end.process_options do |opts|
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run2 = true if opts.present?(:optiontest2)
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end.parse_options(["--optiontest", "--optiontest2"])
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run.should == true
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run2.should == true
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end
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end
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end
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