Class: TC_testTerminal

Inherits:
Test::Unit::TestCase
  • Object
show all
Defined in:
lib/bbcloud/vendor/gli/test/tc_terminal.rb

Instance Method Summary collapse

Instance Method Details

#setup ⇒ Object 



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# File 'lib/bbcloud/vendor/gli/test/tc_terminal.rb', line 10

def setup
  @old_columns = ENV['COLUMNS']
  @old_lines = ENV['LINES']
end

#teardown ⇒ Object 



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# File 'lib/bbcloud/vendor/gli/test/tc_terminal.rb', line 15

def teardown
  ENV['COLUMNS'] = @old_columns 
  ENV['LINES'] = @old_lines
  Terminal.default_size = [80,24]
end

#test_command_exists ⇒ Object 



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# File 'lib/bbcloud/vendor/gli/test/tc_terminal.rb', line 5

def test_command_exists
  assert Terminal.instance.command_exists?('ls')
  assert !Terminal.instance.command_exists?('asdfasfasdf')
end

#test_shared_instance_is_same ⇒ Object 



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# File 'lib/bbcloud/vendor/gli/test/tc_terminal.rb', line 21

def test_shared_instance_is_same
  assert_equal Terminal.instance,Terminal.instance
end

#test_size_based_on_columns ⇒ Object 



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# File 'lib/bbcloud/vendor/gli/test/tc_terminal.rb', line 25

def test_size_based_on_columns
  ENV['COLUMNS'] = '666'
  ENV['LINES'] = '777'
  assert_equal [666,777],Terminal.instance.size
end

#test_size_using_default ⇒ Object 



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# File 'lib/bbcloud/vendor/gli/test/tc_terminal.rb', line 69

def test_size_using_default
  terminal = Terminal.new
  terminal.make_unsafe!
  terminal.instance_eval do
    def command_exists?(command); false; end
    def jruby?; false; end
  end
  ENV['COLUMNS'] = 'foo'
  assert_equal [80,24],terminal.size
  # While we have this set up, lets make sure the default change falls through
  Terminal.default_size = [90,45]
  assert_equal [90,45],terminal.size
end

#test_size_using_default_when_exception ⇒ Object 



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# File 'lib/bbcloud/vendor/gli/test/tc_terminal.rb', line 83

def test_size_using_default_when_exception
  terminal = Terminal.new
  terminal.instance_eval do
    def jruby?; raise "Problem"; end
  end
  ENV['COLUMNS'] = 'foo'
  assert_equal [80,24],terminal.size
end

#test_size_using_stty ⇒ Object 



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# File 'lib/bbcloud/vendor/gli/test/tc_terminal.rb', line 51

def test_size_using_stty
  terminal = Terminal.new
  terminal.make_unsafe!
  terminal.instance_eval do
    def run_command(command)
      if command == 'stty size'
        return '1234 5678'
      else
        raise "Unexpected command called: #{command}"
      end
    end
    def command_exists?(command); true; end
    def jruby?; false; end
  end
  ENV['COLUMNS'] = 'foo'
  assert_equal [5678,1234],terminal.size
end

#test_size_using_tput ⇒ Object 



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# File 'lib/bbcloud/vendor/gli/test/tc_terminal.rb', line 31

def test_size_using_tput
  terminal = Terminal.new
  terminal.make_unsafe!
  terminal.instance_eval do
    def run_command(command)
      if command == 'tput cols'
        return '888'
      elsif command == 'tput lines'
        return '999'
      else
        raise "Unexpected command called: #{command}"
      end
    end
    def command_exists?(command); true; end
    def jruby?; true; end
  end
  ENV['COLUMNS'] = 'foo'
  assert_equal [888,999],terminal.size
end