bluval/bluval.py

   1 #!/usr/bin/python3
   2 ##############################################################################
   3 # Copyright (c) 2019 AT&T Intellectual Property.                             #
   4 # Copyright (c) 2019 Nokia.                                                  #
   5 #                                                                            #
   6 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
   7 # not use this file except in compliance with the License.                   #
   8 #                                                                            #
   9 # You may obtain a copy of the License at                                    #
  10 #       http://www.apache.org/licenses/LICENSE-2.0                           #
  11 #                                                                            #
  12 # Unless required by applicable law or agreed to in writing, software        #
  13 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT  #
  14 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.           #
  15 # See the License for the specific language governing permissions and        #
  16 # limitations under the License.                                             #
  17 ##############################################################################
  18 """This module parses yaml file, reads layers, testcases and executes each
  19 testcase
  20 """
  21
  22 import subprocess
  23 import click
  24 import yaml
  25
  26 def run_testcase(testcase):
  27     """Runs a single testcase
  28     """
  29     show_stopper = testcase.get('show_stopper', False)
  30     what = testcase.get('what')
  31     results = "results/"+what
  32     command = '{} {} {} {}'.format("robot", "-d", results, what)
  33
  34     print('Executing testcase {}'.format(testcase['name']))
  35     print('          show_stopper {}'.format(show_stopper))
  36     print('Invoking {}'.format(command))
  37     try:
  38         status = subprocess.call(command, shell=True)
  39         if status != 0 and show_stopper:
  40             print('Show stopper testcase failed')
  41             return status
  42     except OSError:
  43         print('Error while executing {}'.format(command))
  44         return -1
  45     return status
  46
  47
  48 def validate_layer(blueprint, layer):
  49     """validates a layer by validating all testcases under that layer
  50     """
  51     print('## Layer {}'.format(layer))
  52     for testcase in blueprint[layer]:
  53         run_testcase(testcase)
  54
  55
  56 def validate_blueprint(yaml_loc, layer):
  57     """Parse yaml file and validates given layer. If no layer given all layers
  58     validated
  59     """
  60     with open(yaml_loc) as yaml_file:
  61         yamldoc = yaml.safe_load(yaml_file)
  62     blueprint = yamldoc['blueprint']
  63     if layer is None:
  64         for each_layer in blueprint['layers']:
  65             validate_layer(blueprint, each_layer)
  66     else:
  67         validate_layer(blueprint, layer)
  68
  69
  70 @click.command()
  71 @click.argument('blueprint')
  72 @click.option('--layer', '-l')
  73 def main(blueprint, layer):
  74     """Takes blueprint name and optional layer. Validates inputs and derives
  75     yaml location from blueprint name. Invokes validate on blue print.
  76     """
  77     yaml_loc = 'bluval/bluval-{}.yaml'.format(blueprint)
  78     layer = layer.lower()
  79     validate_blueprint(yaml_loc, layer)
  80
  81
  82 if __name__ == "__main__":
  83     # pylint: disable=no-value-for-parameter
  84     main()