Class: ResizeTerminalTest

Inherits:
Minitest::Test
  • Object
show all
Defined in:
lib/resize_terminal.rb

Instance Method Summary collapse

Instance Method Details

#setup ⇒ Object 



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# File 'lib/resize_terminal.rb', line 96

def setup
  # Backup original ARGV and environment variables
  @original_argv = ARGV.dup
  @original_columns = ENV.fetch('COLUMNS', nil)
  @original_lines = ENV.fetch('LINES', nil)
end

#teardown ⇒ Object 



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# File 'lib/resize_terminal.rb', line 103

def teardown
  # Restore original ARGV and environment variables
  ARGV.replace(@original_argv)
  EnvInterface.set('COLUMNS', @original_columns)
  EnvInterface.set('LINES', @original_lines)
end

#test_resize_terminal_invalid_response ⇒ Object 



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# File 'lib/resize_terminal.rb', line 139

def test_resize_terminal_invalid_response
  # Simulate interactive terminal with invalid response
  $stdin.stub(:tty?, true) do
    ARGV.replace([])
    response = "\e[999;999H\e[6n\e[InvalidResponse".dup
    $stdin.stub(:getch, -> { response.slice!(0) || '' }) do
      error = assert_raises(StandardError) do
        resize_terminal(require_stdout: false, debug: true)
      end
      assert_match /Error: Failed to match terminal response pattern/, error.message

    end
  end
end

#test_resize_terminal_no_response ⇒ Object 



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# File 'lib/resize_terminal.rb', line 126

def test_resize_terminal_no_response
  # Simulate interactive terminal with no response
  $stdin.stub(:tty?, true) do
    ARGV.replace([])
    $stdin.stub(:getch, -> { '' }) do
      error = assert_raises(StandardError) do
        resize_terminal(require_stdout: false, debug: true)
      end
      assert_equal 'Error: Timeout while reading terminal response. Unsupported terminal emulator.', error.message
    end
  end
end

#test_resize_terminal_non_interactive ⇒ Object 



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# File 'lib/resize_terminal.rb', line 168

def test_resize_terminal_non_interactive
  # Simulate non-interactive terminal
  $stdin.stub(:tty?, false) do
    assert_output(nil, /Usage: resize_terminal/) do
      resize_terminal
    end
  end
end

#test_resize_terminal_successful ⇒ Object 



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# File 'lib/resize_terminal.rb', line 110

def test_resize_terminal_successful
  # Simulate interactive terminal
  $stdin.stub(:tty?, true) do
    ARGV.replace([])
    columns = 40 + (2 * rand(10))
    EnvInterface.set('COLUMNS', columns.to_s)
    EnvInterface.set('LINES', '24')
    response = "\e[999;999H\e[6n\e[24;#{columns}R".dup
    $stdin.stub(:getch, -> { response.slice!(0) || '' }) do
      assert_output(/xterm(-256color)? #{columns}x24$/) do
        resize_terminal(require_stdout: false)
      end
    end
  end
end

#test_resize_terminal_timeout ⇒ Object 



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# File 'lib/resize_terminal.rb', line 154

def test_resize_terminal_timeout
  # Simulate interactive terminal with timeout
  $stdin.stub(:tty?, true) do
    ARGV.replace([])
    Timeout.stub(:timeout, ->(_) { raise Timeout::Error }) do
      error = assert_raises(StandardError) do
        resize_terminal(require_stdout: false, debug: true)
      end
      assert_match /Error: Timeout while reading terminal response/, error.message

    end
  end
end