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     variables = "variables.yaml"
  32     results = "results/"+testcase.get('layer')+"/"+what
  33     test_path = "tests/"+testcase.get('layer')+"/"+what
  34     args = ["robot", "-V", variables, "-d", results, test_path]
  35
  36     print('Executing testcase {}'.format(testcase['name']))
  37     print('          show_stopper {}'.format(show_stopper))
  38     print('Invoking {}'.format(args))
  39     try:
  40         status = subprocess.call(args, shell=False)
  41         if status != 0 and show_stopper:
  42             print('Show stopper testcase failed')
  43             return status
  44     except OSError:
  45         print('Error while executing {}'.format(args))
  46         return -1
  47     return status
  48
  49
  50 def validate_layer(blueprint, layer):
  51     """validates a layer by validating all testcases under that layer
  52     """
  53     print('## Layer {}'.format(layer))
  54     for testcase in blueprint[layer]:
  55         testcase['layer'] = layer
  56         run_testcase(testcase)
  57
  58
  59 def validate_blueprint(yaml_loc, layer):
  60     """Parse yaml file and validates given layer. If no layer given all layers
  61     validated
  62     """
  63     with open(yaml_loc) as yaml_file:
  64         yamldoc = yaml.safe_load(yaml_file)
  65     blueprint = yamldoc['blueprint']
  66     if layer is None:
  67         for each_layer in blueprint['layers']:
  68             validate_layer(blueprint, each_layer)
  69     else:
  70         validate_layer(blueprint, layer)
  71
  72
  73 @click.command()
  74 @click.argument('blueprint')
  75 @click.option('--layer', '-l')
  76 def main(blueprint, layer):
  77     """Takes blueprint name and optional layer. Validates inputs and derives
  78     yaml location from blueprint name. Invokes validate on blue print.
  79     """
  80     yaml_loc = 'bluval/bluval-{}.yaml'.format(blueprint)
  81     if layer is not None:
  82         layer = layer.lower()
  83     validate_blueprint(yaml_loc, layer)
  84
  85
  86 if __name__ == "__main__":
  87     # pylint: disable=no-value-for-parameter
  88     main()