Synnefo » snf-ganeti

  def testParseDfOutputValidInput(self):

    """Tests that parsing of the output of 'df' works correctly.

    """

    valid_df_output = \

      "Filesystem             1M-blocks   Used Available Use% Mounted on\n" \

      "/dev/mapper/sysvg-root   161002M 58421M    94403M  39% /"

    expected_size = 161002

    expected_free = 94403

    (size, free) = filestorage._ParseDfResult(valid_df_output)

    self.assertEqual(expected_size, size,

                     "Calculation of total size is incorrect.")

    self.assertEqual(expected_free, free,

                     "Calculation of free space is incorrect.")

  def testParseDfOutputInvalidInput(self):

    """Tests that parsing of the output of 'df' works correctly when invalid

       input is given.

    """

    invalid_output_header_missing = \

      "/dev/mapper/sysvg-root   161002M 58421M    94403M  39% /"

    invalid_output_dataline_missing = \

      "Filesystem             1M-blocks   Used Available Use% Mounted on\n"

    invalid_output_wrong_num_columns = \

      "Filesystem             1M-blocks Available\n" \

      "/dev/mapper/sysvg-root   161002M    94403M"

    invalid_output_units_wrong = \

      "Filesystem             1M-blocks   Used Available Use% Mounted on\n" \

      "/dev/mapper/sysvg-root   161002G 58421G    94403G  39% /"

    invalid_output_units_missing = \

      "Filesystem             1M-blocks   Used Available Use% Mounted on\n" \

      "/dev/mapper/sysvg-root    161002  58421     94403  39% /"

    invalid_outputs = [invalid_output_header_missing,

                       invalid_output_dataline_missing,

                       invalid_output_wrong_num_columns,

                       invalid_output_units_wrong,

                       invalid_output_units_missing]

    for output in invalid_outputs:

      self.assertRaises(errors.CommandError, filestorage._ParseDfResult, output)