[test] Adding platform.json configuration file test (#13)

* [test] Adding platform.json configuration file test

Signed-off-by: Sangita Maity <sangitamaity0211@gmail.com>

* Addressed review comments

Signed-off-by: Sangita Maity <sangitamaity0211@gmail.com>

src/sonic-device-data/src/Makefile

@@ -11,4 +11,7 @@ test:
  for f in $$(find ../../../device -name media_settings.json); do
  ./media_checker $$f
  done
+ for f in $$(find ../../../device -name platform.json); do
+ ./platformJson_checker $$f
+ done
  popd

src/sonic-device-data/tests/media_checker

@@ -138,7 +138,7 @@ def main(argv):
 
  # Load target file
  if len(argv) == 0:
- files = glob.glob('*.json')
+ files = glob.glob('*media_settings.json')
  else:
  files = argv
 

src/sonic-device-data/tests/platformJson_checker

@@ -0,0 +1,101 @@
+#!/usr/bin/env python
+try:
+ import re
+ import sys
+ import glob
+ import json
+except ImportError as e:
+ raise ImportError (str(e) + "- required module not found")
+try:
+ basestring
+except NameError:
+ basestring = str
+
+# Global variable
+PORT_ATTRIBUTES = ["index", "lanes", "alias_at_lanes", "breakout_modes", "default_brkout_mode"]
+ATTR_LEN = len(PORT_ATTRIBUTES)
+PORT_REG = "Ethernet(\d+)"
+PLATFORM_JSON = '*platform.json'
+
+def usage():
+ print "Usage: " + sys.argv[0] + " <platform_json_file>"
+ sys.exit(1)
+
+
+def check_port_attr(port_attr):
+ for each_key in port_attr:
+ if each_key not in PORT_ATTRIBUTES:
+ print "Error: "+ each_key + " is not the correct Port attribute."
+ return False
+ if not port_attr[each_key]:
+ print "Error: "+ each_key + " has no value."
+ return False
+ if not isinstance(port_attr[each_key], basestring):
+ print "Error:value type of "+ each_key + " must be string."
+ return False
+ return True
+
+def check_file(platform_json_file):
+ try:
+ platform_cap_file = open(platform_json_file,"r")
+ platform_file_data = platform_cap_file.read()
+ port_dict = json.loads(platform_file_data)
+
+ for each_port in port_dict:
+
+ # Validate port at top level
+ port_id = re.search(PORT_REG, each_port)
+ if port_id is None:
+ print "Error: Unknown Interface " + str(each_port) + " at top level"
+ return False
+
+ total_attr = len(port_dict[each_port].keys())
+ port_attr = port_dict[each_port]
+
+ if total_attr != ATTR_LEN:
+ missing_attr = ', '.join(set(PORT_ATTRIBUTES).difference(list(port_attr)))
+ print "Error: " + missing_attr + " of " + each_port + " is/are missing"
+ return False
+
+ #Validate port attributes for each port
+ if not check_port_attr(port_attr):
+ return False
+
+ except IOError:
+ print "Error: Cannot open file " + platform_json_file
+ return False
+ except ValueError,e:
+ print "Error in parsing json file " + platform_json_file + " "
+ print str(e)
+ return False
+
+ return True
+
+
+def main(argv):
+
+ if len(argv) > 0 and argv[0] == "-h":
+ usage()
+
+ # Load target file
+ if len(argv) == 0:
+ files = glob.glob(PLATFORM_JSON)
+ else:
+ files = argv
+
+ all_good = True
+
+ for f in files:
+ good = check_file(f)
+ if good:
+ print "File " + f + " passed validity check"
+ else:
+ print "File " + f + " failed validity check"
+
+ all_good = all_good and good
+
+ if not all_good:
+ sys.exit(-1)
+
+if __name__ == "__main__":
+ main(sys.argv[1:])