186 lines
6.6 KiB
Python
186 lines
6.6 KiB
Python
# Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http:#www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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""" Test Env, manages DUT, App and EnvConfig, interface for test cases to access these components """
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import os
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import threading
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import functools
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import netifaces
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import EnvConfig
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def _synced(func):
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@functools.wraps(func)
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def decorator(self, *args, **kwargs):
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with self.lock:
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ret = func(self, *args, **kwargs)
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return ret
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decorator.__doc__ = func.__doc__
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return decorator
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class Env(object):
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"""
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test env, manages DUTs and env configs.
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:keyword app: class for default application
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:keyword dut: class for default DUT
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:keyword env_tag: test env tag, used to select configs from env config file
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:keyword env_config_file: test env config file path
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:keyword test_name: test suite name, used when generate log folder name
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"""
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def __init__(self,
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app=None,
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dut=None,
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env_tag=None,
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env_config_file=None,
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test_suite_name=None,
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**kwargs):
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self.app_cls = app
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self.default_dut_cls = dut
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self.config = EnvConfig.Config(env_config_file, env_tag)
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self.log_path = self.app_cls.get_log_folder(test_suite_name)
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if not os.path.exists(self.log_path):
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os.makedirs(self.log_path)
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self.allocated_duts = dict()
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self.lock = threading.RLock()
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@_synced
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def get_dut(self, dut_name, app_path, dut_class=None, app_class=None, **dut_init_args):
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"""
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get_dut(dut_name, app_path, dut_class=None, app_class=None)
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:param dut_name: user defined name for DUT
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:param app_path: application path, app instance will use this path to process application info
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:param dut_class: dut class, if not specified will use default dut class of env
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:param app_class: app class, if not specified will use default app of env
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:keyword dut_init_args: extra kwargs used when creating DUT instance
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:return: dut instance
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"""
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if dut_name in self.allocated_duts:
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dut = self.allocated_duts[dut_name]["dut"]
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else:
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if dut_class is None:
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dut_class = self.default_dut_cls
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if app_class is None:
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app_class = self.app_cls
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app_inst = app_class(app_path)
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try:
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port = self.config.get_variable(dut_name)
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except ValueError:
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# try to auto detect ports
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allocated_ports = [self.allocated_duts[x]["port"] for x in self.allocated_duts]
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available_ports = dut_class.list_available_ports()
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for port in available_ports:
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if port not in allocated_ports:
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if dut_class.confirm_dut(port, app_inst):
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break
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else:
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port = None
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if port:
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try:
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dut_config = self.get_variable(dut_name + "_port_config")
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except ValueError:
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dut_config = dict()
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dut_config.update(dut_init_args)
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dut = self.default_dut_cls(dut_name, port,
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os.path.join(self.log_path, dut_name + ".log"),
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app_inst,
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**dut_config)
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self.allocated_duts[dut_name] = {"port": port, "dut": dut}
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else:
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raise ValueError("Failed to get DUT")
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return dut
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@_synced
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def close_dut(self, dut_name):
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"""
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close_dut(dut_name)
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close one DUT by name if DUT name is valid (the name used by ``get_dut``). otherwise will do nothing.
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:param dut_name: user defined name for DUT
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:return: None
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"""
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try:
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dut = self.allocated_duts.pop(dut_name)["dut"]
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dut.close()
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except KeyError:
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pass
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@_synced
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def get_variable(self, variable_name):
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"""
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get_variable(variable_name)
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get variable from config file. If failed then try to auto-detected it.
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:param variable_name: name of the variable
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:return: value of variable if successfully found. otherwise None.
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"""
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return self.config.get_variable(variable_name)
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PROTO_MAP = {
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"ipv4": netifaces.AF_INET,
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"ipv6": netifaces.AF_INET6,
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"mac": netifaces.AF_LINK,
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}
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@_synced
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def get_pc_nic_info(self, nic_name="pc_nic", proto="ipv4"):
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"""
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get_pc_nic_info(nic_name="pc_nic")
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try to get info of a specified NIC and protocol.
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:param nic_name: pc nic name. allows passing variable name, nic name value.
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:param proto: "ipv4", "ipv6" or "mac"
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:return: a dict of nic info if successfully found. otherwise None.
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nic info keys could be different for different protocols.
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key "addr" is available for both mac, ipv4 and ipv6 pic info.
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"""
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interfaces = netifaces.interfaces()
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if nic_name in interfaces:
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# the name is in the interface list, we regard it as NIC name
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if_addr = netifaces.ifaddresses(nic_name)
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else:
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# it's not in interface name list, we assume it's variable name
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_nic_name = self.get_variable(nic_name)
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if_addr = netifaces.ifaddresses(_nic_name)
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return if_addr[self.PROTO_MAP[proto]][0]
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@_synced
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def close(self, dut_debug=False):
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"""
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close()
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close all DUTs of the Env.
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:param dut_debug: if dut_debug is True, then print all dut expect failures before close it
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:return: exceptions during close DUT
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"""
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dut_close_errors = []
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for dut_name in self.allocated_duts:
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dut = self.allocated_duts[dut_name]["dut"]
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if dut_debug:
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dut.print_debug_info()
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try:
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dut.close()
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except Exception as e:
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dut_close_errors.append(e)
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self.allocated_duts = dict()
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return dut_close_errors
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