513 lines
15 KiB
Ruby
513 lines
15 KiB
Ruby
require 'helper'
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describe "commands" do
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it 'should interpolate ruby code into commands' do
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klass = Pry::CommandSet.new do
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command "hello", "", :keep_retval => true do |arg|
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arg
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end
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end
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$test_interpolation = "bing"
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str_output = StringIO.new
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Pry.new(:input => StringIO.new('hello #{$test_interpolation}'), :output => str_output, :commands => klass).rep
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str_output.string.should =~ /bing/
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$test_interpolation = nil
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end
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# bug fix for https://github.com/pry/pry/issues/170
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it 'should not choke on complex string interpolation when checking if ruby code is a command' do
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redirect_pry_io(InputTester.new('/#{Regexp.escape(File.expand_path("."))}/'), str_output = StringIO.new) do
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pry
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end
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str_output.string.should.not =~ /SyntaxError/
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end
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it 'should NOT interpolate ruby code into commands if :interpolate => false' do
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klass = Pry::CommandSet.new do
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command "hello", "", :keep_retval => true, :interpolate => false do |arg|
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arg
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end
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end
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$test_interpolation = "bing"
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str_output = StringIO.new
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Pry.new(:input => StringIO.new('hello #{$test_interpolation}'), :output => str_output, :commands => klass).rep
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str_output.string.should =~ /test_interpolation/
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$test_interpolation = nil
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end
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it 'should NOT try to interpolate pure ruby code (no commands) ' do
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str_output = StringIO.new
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Pry.new(:input => StringIO.new('format \'#{aggy}\''), :output => str_output).rep
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str_output.string.should.not =~ /NameError/
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Pry.new(:input => StringIO.new('format #{aggy}'), :output => str_output).rep
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str_output.string.should.not =~ /NameError/
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$test_interpolation = "blah"
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Pry.new(:input => StringIO.new('format \'#{$test_interpolation}\''), :output => str_output).rep
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str_output.string.should.not =~ /blah/
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$test_interpolation = nil
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end
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it 'should create a command with a space in its name' do
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set = Pry::CommandSet.new do
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command "hello baby", "" do
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output.puts "hello baby command"
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end
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end
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str_output = StringIO.new
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redirect_pry_io(InputTester.new("hello baby", "exit-all"), str_output) do
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Pry.new(:commands => set).rep
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end
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str_output.string.should =~ /hello baby command/
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end
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it 'should create a command with a space in its name and pass an argument' do
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set = Pry::CommandSet.new do
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command "hello baby", "" do |arg|
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output.puts "hello baby command #{arg}"
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end
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end
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str_output = StringIO.new
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redirect_pry_io(InputTester.new("hello baby john"), str_output) do
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Pry.new(:commands => set).rep
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end
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str_output.string.should =~ /hello baby command john/
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end
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it 'should create a regex command and be able to invoke it' do
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set = Pry::CommandSet.new do
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command /hello(.)/, "" do
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c = captures.first
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output.puts "hello#{c}"
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end
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end
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str_output = StringIO.new
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redirect_pry_io(InputTester.new("hello1"), str_output) do
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Pry.new(:commands => set).rep
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end
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str_output.string.should =~ /hello1/
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end
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it 'should create a regex command and pass captures into the args list before regular arguments' do
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set = Pry::CommandSet.new do
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command /hello(.)/, "" do |c1, a1|
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output.puts "hello #{c1} #{a1}"
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end
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end
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str_output = StringIO.new
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redirect_pry_io(InputTester.new("hello1 baby"), str_output) do
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Pry.new(:commands => set).rep
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end
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str_output.string.should =~ /hello 1 baby/
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end
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it 'should create a regex command and interpolate the captures' do
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set = Pry::CommandSet.new do
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command /hello (.*)/, "" do |c1|
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output.puts "hello #{c1}"
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end
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end
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str_output = StringIO.new
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$obj = "bing"
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redirect_pry_io(InputTester.new('hello #{$obj}'), str_output) do
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Pry.new(:commands => set).rep
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end
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str_output.string.should =~ /hello bing/
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$obj = nil
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end
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it 'should create a regex command and arg_string should be interpolated' do
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set = Pry::CommandSet.new do
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command /hello(\w+)/, "" do |c1, a1, a2, a3|
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output.puts "hello #{c1} #{a1} #{a2} #{a3}"
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end
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end
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str_output = StringIO.new
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$a1 = "bing"
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$a2 = "bong"
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$a3 = "bang"
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redirect_pry_io(InputTester.new('hellojohn #{$a1} #{$a2} #{$a3}'), str_output) do
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Pry.new(:commands => set).rep
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end
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str_output.string.should =~ /hello john bing bong bang/
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$a1 = nil
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$a2 = nil
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$a3 = nil
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end
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it 'if a regex capture is missing it should be nil' do
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set = Pry::CommandSet.new do
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command /hello(.)?/, "" do |c1, a1|
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output.puts "hello #{c1.inspect} #{a1}"
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end
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end
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str_output = StringIO.new
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redirect_pry_io(InputTester.new("hello baby"), str_output) do
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Pry.new(:commands => set).rep
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end
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str_output.string.should =~ /hello nil baby/
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end
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it 'should create a command in a nested context and that command should be accessible from the parent' do
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str_output = StringIO.new
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x = "@x=nil\ncd 7\n_pry_.commands.instance_eval {\ncommand('bing') { |arg| run arg }\n}\ncd ..\nbing ls\nexit-all"
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redirect_pry_io(StringIO.new("@x=nil\ncd 7\n_pry_.commands.instance_eval {\ncommand('bing') { |arg| run arg }\n}\ncd ..\nbing ls\nexit-all"), str_output) do
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Pry.new.repl(0)
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end
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str_output.string.should =~ /@x/
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end
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it 'should define a command that keeps its return value' do
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klass = Pry::CommandSet.new do
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command "hello", "", :keep_retval => true do
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:kept_hello
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end
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end
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str_output = StringIO.new
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Pry.new(:input => StringIO.new("hello\n"), :output => str_output, :commands => klass).rep
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str_output.string.should =~ /:kept_hello/
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str_output.string.should =~ /=>/
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end
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it 'should define a command that does NOT keep its return value' do
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klass = Pry::CommandSet.new do
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command "hello", "", :keep_retval => false do
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:kept_hello
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end
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end
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str_output = StringIO.new
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Pry.new(:input => StringIO.new("hello\n"), :output => str_output, :commands => klass).rep
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(str_output.string =~ /:kept_hello/).should == nil
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str_output.string !~ /=>/
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end
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it 'should define a command that keeps its return value even when nil' do
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klass = Pry::CommandSet.new do
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command "hello", "", :keep_retval => true do
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nil
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end
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end
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str_output = StringIO.new
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Pry.new(:input => StringIO.new("hello\n"), :output => str_output, :commands => klass).rep
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str_output.string.should =~ /nil/
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str_output.string.should =~ /=>/
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end
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it 'should define a command that keeps its return value but does not return when value is void' do
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klass = Pry::CommandSet.new do
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command "hello", "", :keep_retval => true do
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void
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end
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end
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str_output = StringIO.new
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Pry.new(:input => StringIO.new("hello\n"), :output => str_output, :commands => klass).rep
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str_output.string.empty?.should == true
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end
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it 'a command (with :keep_retval => false) that replaces eval_string with a valid expression should not have the expression value suppressed' do
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klass = Pry::CommandSet.new do
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command "hello", "" do
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eval_string.replace("6")
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end
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end
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str_output = StringIO.new
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Pry.new(:input => StringIO.new("def yo\nhello\n"), :output => str_output, :commands => klass).rep
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str_output.string.should =~ /6/
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end
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it 'a command (with :keep_retval => true) that replaces eval_string with a valid expression should overwrite the eval_string with the return value' do
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klass = Pry::CommandSet.new do
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command "hello", "", :keep_retval => true do
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eval_string.replace("6")
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7
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end
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end
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str_output = StringIO.new
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Pry.new(:input => StringIO.new("def yo\nhello\n"), :output => str_output, :commands => klass).rep
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str_output.string.should =~ /7/
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str_output.string.should.not =~ /6/
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end
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it 'a command that return a value in a multi-line expression should clear the expression and return the value' do
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klass = Pry::CommandSet.new do
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command "hello", "", :keep_retval => true do
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5
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end
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end
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str_output = StringIO.new
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Pry.new(:input => StringIO.new("def yo\nhello\n"), :output => str_output, :commands => klass).rep
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str_output.string.should =~ /5/
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end
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it 'should set the commands default, and the default should be overridable' do
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klass = Pry::CommandSet.new do
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command "hello" do
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output.puts "hello world"
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end
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end
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Pry.commands = klass
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str_output = StringIO.new
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Pry.new(:input => InputTester.new("hello"), :output => str_output).rep
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str_output.string.should =~ /hello world/
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other_klass = Pry::CommandSet.new do
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command "goodbye", "" do
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output.puts "goodbye world"
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end
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end
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str_output = StringIO.new
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Pry.new(:input => InputTester.new("goodbye"), :output => str_output, :commands => other_klass).rep
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str_output.string.should =~ /goodbye world/
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end
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it 'should inherit "help" command from Pry::CommandBase' do
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klass = Pry::CommandSet.new do
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command "h", "h command" do
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end
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end
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klass.commands.keys.size.should == 3
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klass.commands.keys.include?("help").should == true
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klass.commands.keys.include?("install-command").should == true
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klass.commands.keys.include?("h").should == true
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end
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it 'should inherit commands from Pry::Commands' do
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klass = Pry::CommandSet.new Pry::Commands do
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command "v" do
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end
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end
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klass.commands.include?("nesting").should == true
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klass.commands.include?("jump-to").should == true
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klass.commands.include?("cd").should == true
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klass.commands.include?("v").should == true
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end
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it 'should alias a command with another command' do
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klass = Pry::CommandSet.new do
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alias_command "help2", "help"
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end
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klass.commands["help2"].block.should == klass.commands["help"].block
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end
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it 'should change description of a command using desc' do
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klass = Pry::CommandSet.new do; end
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orig = klass.commands["help"].description
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klass.instance_eval do
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desc "help", "blah"
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end
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klass.commands["help"].description.should.not == orig
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klass.commands["help"].description.should == "blah"
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end
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it 'should run a command from within a command' do
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klass = Pry::CommandSet.new do
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command "v" do
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output.puts "v command"
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end
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command "run_v" do
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run "v"
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end
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end
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str_output = StringIO.new
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Pry.new(:input => InputTester.new("run_v"), :output => str_output, :commands => klass).rep
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str_output.string.should =~ /v command/
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end
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it 'should run a regex command from within a command' do
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klass = Pry::CommandSet.new do
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command /v(.*)?/ do |arg|
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output.puts "v #{arg}"
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end
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command "run_v" do
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run "vbaby"
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end
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end
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str_output = StringIO.new
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redirect_pry_io(InputTester.new("run_v"), str_output) do
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Pry.new(:commands => klass).rep
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end
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str_output.string.should =~ /v baby/
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end
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it 'should run a command from within a command with arguments' do
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klass = Pry::CommandSet.new do
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command /v(\w+)/ do |arg1, arg2|
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output.puts "v #{arg1} #{arg2}"
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end
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command "run_v_explicit_parameter" do
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run "vbaby", "param"
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end
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command "run_v_embedded_parameter" do
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run "vbaby param"
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end
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end
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["run_v_explicit_parameter", "run_v_embedded_parameter"].each do |cmd|
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str_output = StringIO.new
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redirect_pry_io(InputTester.new(cmd), str_output) do
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Pry.new(:commands => klass).rep
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end
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str_output.string.should =~ /v baby param/
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end
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end
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it 'should enable an inherited method to access opts and output and target, due to instance_exec' do
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klass = Pry::CommandSet.new do
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command "v" do
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output.puts "#{target.eval('self')}"
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end
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end
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child_klass = Pry::CommandSet.new klass do
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end
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str_output = StringIO.new
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Pry.new(:print => proc {}, :input => InputTester.new("v"),
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:output => str_output, :commands => child_klass).rep("john")
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str_output.string.rstrip.should == "john"
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end
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it 'should import commands from another command object' do
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klass = Pry::CommandSet.new do
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import_from Pry::Commands, "ls", "jump-to"
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end
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klass.commands.include?("ls").should == true
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klass.commands.include?("jump-to").should == true
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end
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it 'should delete some inherited commands when using delete method' do
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klass = Pry::CommandSet.new Pry::Commands do
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command "v" do
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end
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delete "show-doc", "show-method"
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delete "ls"
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end
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klass.commands.include?("nesting").should == true
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klass.commands.include?("jump-to").should == true
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klass.commands.include?("cd").should == true
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klass.commands.include?("v").should == true
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klass.commands.include?("show-doc").should == false
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klass.commands.include?("show-method").should == false
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klass.commands.include?("ls").should == false
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end
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it 'should override some inherited commands' do
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klass = Pry::CommandSet.new Pry::Commands do
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command "jump-to" do
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output.puts "jump-to the music"
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end
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command "help" do
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output.puts "help to the music"
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end
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end
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# suppress evaluation output
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Pry.print = proc {}
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str_output = StringIO.new
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Pry.new(:input => InputTester.new("jump-to"), :output => str_output, :commands => klass).rep
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str_output.string.rstrip.should == "jump-to the music"
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str_output = StringIO.new
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Pry.new(:input => InputTester.new("help"), :output => str_output, :commands => klass).rep
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str_output.string.should == "help to the music\n"
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Pry.reset_defaults
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Pry.color = false
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end
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it 'should run a command with no parameter' do
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pry_tester = Pry.new
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pry_tester.commands = CommandTester
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pry_tester.input = InputTester.new("command1", "exit-all")
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pry_tester.commands = CommandTester
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str_output = StringIO.new
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pry_tester.output = str_output
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pry_tester.rep
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str_output.string.should =~ /command1/
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end
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it 'should run a command with one parameter' do
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pry_tester = Pry.new
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pry_tester.commands = CommandTester
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pry_tester.input = InputTester.new("command2 horsey", "exit-all")
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pry_tester.commands = CommandTester
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str_output = StringIO.new
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pry_tester.output = str_output
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pry_tester.rep
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str_output.string.should =~ /horsey/
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end
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end
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describe "Pry#run_command" do
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it 'should run a command in a specified context' do
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b = Pry.binding_for(7)
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p = Pry.new(:output => StringIO.new)
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p.run_command("ls -m", "", b)
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p.output.string.should =~ /divmod/
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end
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it 'should run a command that modifies the passed in eval_string' do
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b = Pry.binding_for(7)
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p = Pry.new(:output => StringIO.new)
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eval_string = "def hello\npeter pan\n"
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p.run_command("amend-line !", eval_string, b)
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eval_string.should =~ /def hello/
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eval_string.should.not =~ /peter pan/
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end
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it 'should run a command in the context of a session' do
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mock_pry("@session_ivar = 10", "_pry_.run_command('ls')").should =~ /@session_ivar/
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end
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end
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