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esp-idf/examples/wifi/iperf/iperf_test.py

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example test: add test case for iperf example
2018-01-07 07:28:09 -05:00
"""
Test case for iperf example.
This test case might have problem running on windows:
1. direct use of `make`
2. use `sudo killall iperf` to force kill iperf, didn't implement windows version
The test env Example_ShieldBox do need the following config::
Example_ShieldBox:
ap_list:
- ssid: "ssid"
password: "password"
outlet: 1
apc_ip: "192.168.1.88"
attenuator_port: "/dev/ttyUSB0"
iperf: "/dev/ttyUSB1"
apc_ip: "192.168.1.88"
pc_nic: "eth0"
"""
import re
import os
import sys
import time
import subprocess
# add current folder to system path for importing test_report
sys.path.append(os.path.dirname(__file__))
# this is a test case write with tiny-test-fw.
# to run test cases outside tiny-test-fw,
# we need to set environment variable `TEST_FW_PATH`,
# then get and insert `TEST_FW_PATH` to sys path before import FW module
test_fw_path = os.getenv("TEST_FW_PATH")
if test_fw_path and test_fw_path not in sys.path:
sys.path.insert(0, test_fw_path)
import IDF
import DUT
import Utility
from Utility import (Attenuator, PowerControl, LineChart)
from test_report import (ThroughputForConfigsReport, ThroughputVsRssiReport)
# configurations
TEST_TIME = TEST_TIMEOUT = 60
WAIT_AP_POWER_ON_TIMEOUT = 90
SCAN_TIMEOUT = 3
SCAN_RETRY_COUNT = 3
RETRY_COUNT_FOR_BEST_PERFORMANCE = 2
ATTEN_VALUE_LIST = range(0, 60, 2)
# constants
FAILED_TO_SCAN_RSSI = -97
INVALID_HEAP_SIZE = 0xFFFFFFFF
PC_IPERF_TEMP_LOG_FILE = ".tmp_iperf.log"
CONFIG_NAME_PATTERN = re.compile(r"sdkconfig\.defaults\.(.+)")
# We need to auto compare the difference between adjacent configs (01 -> 00, 02 -> 01, ...) and put them to reports.
# Using numbers for config will make this easy.
# Use default value `99` for config with best performance.
BEST_PERFORMANCE_CONFIG = "99"
class TestResult(object):
""" record, analysis test result and convert data to output format """
PC_BANDWIDTH_LOG_PATTERN = re.compile(r"(\d+).0\s*-\s*(\d+).0\s+sec\s+[\d.]+\s+MBytes\s+([\d.]+)\s+Mbits/sec")
DUT_BANDWIDTH_LOG_PATTERN = re.compile(r"(\d+)-\s+(\d+)\s+sec\s+([\d.]+)\s+Mbits/sec")
ZERO_POINT_THRESHOLD = -88 # RSSI, dbm
ZERO_THROUGHPUT_THRESHOLD = -92 # RSSI, dbm
BAD_POINT_RSSI_THRESHOLD = -85 # RSSI, dbm
BAD_POINT_MIN_THRESHOLD = 3 # Mbps
BAD_POINT_PERCENTAGE_THRESHOLD = 0.3
# we need at least 1/2 valid points to qualify the test result
THROUGHPUT_QUALIFY_COUNT = TEST_TIME / 2
def __init__(self, proto, direction, config_name):
self.proto = proto
self.direction = direction
self.config_name = config_name
self.throughput_by_rssi = dict()
self.throughput_by_att = dict()
self.att_rssi_map = dict()
self.heap_size = INVALID_HEAP_SIZE
self.error_list = []
def _save_result(self, throughput, ap_ssid, att, rssi, heap_size):
"""
save the test results:
* record the better throughput if att/rssi is the same.
* record the min heap size.
"""
if ap_ssid not in self.att_rssi_map:
# for new ap, create empty dict()
self.throughput_by_att[ap_ssid] = dict()
self.throughput_by_rssi[ap_ssid] = dict()
self.att_rssi_map[ap_ssid] = dict()
self.att_rssi_map[ap_ssid][att] = rssi
def record_throughput(database, key_value):
try:
# we save the larger value for same att
if throughput > database[ap_ssid][key_value]:
database[ap_ssid][key_value] = throughput
except KeyError:
database[ap_ssid][key_value] = throughput
record_throughput(self.throughput_by_att, att)
record_throughput(self.throughput_by_rssi, rssi)
if int(heap_size) < self.heap_size:
self.heap_size = int(heap_size)
def add_result(self, raw_data, ap_ssid, att, rssi, heap_size):
"""
add result for one test
:param raw_data: iperf raw data
:param ap_ssid: ap ssid that tested
:param att: attenuate value
:param rssi: AP RSSI
:param heap_size: min heap size during test
:return: throughput
"""
fall_to_0_recorded = 0
throughput_list = []
result_list = self.PC_BANDWIDTH_LOG_PATTERN.findall(raw_data)
if not result_list:
# failed to find raw data by PC pattern, it might be DUT pattern
result_list = self.DUT_BANDWIDTH_LOG_PATTERN.findall(raw_data)
for result in result_list:
if int(result[1]) - int(result[0]) != 1:
# this could be summary, ignore this
continue
throughput_list.append(float(result[2]))
if float(result[2]) == 0 and rssi > self.ZERO_POINT_THRESHOLD \
and fall_to_0_recorded < 1:
# throughput fall to 0 error. we only record 1 records for one test
self.error_list.append("[Error][fall to 0][{}][att: {}][rssi: {}]: 0 throughput interval: {}-{}"
.format(ap_ssid, att, rssi, result[0], result[1]))
fall_to_0_recorded += 1
if len(throughput_list) > self.THROUGHPUT_QUALIFY_COUNT:
throughput = sum(throughput_list) / len(throughput_list)
else:
throughput = 0.0
if throughput == 0 and rssi > self.ZERO_THROUGHPUT_THRESHOLD:
self.error_list.append("[Error][Fatal][{}][att: {}][rssi: {}]: No throughput data found"
.format(ap_ssid, att, rssi))
self._save_result(throughput, ap_ssid, att, rssi, heap_size)
return throughput
def post_analysis(self):
"""
some rules need to be checked after we collected all test raw data:
1. throughput value 30% worse than the next point with lower RSSI
2. throughput value 30% worse than the next point with larger attenuate
"""
def analysis_bad_point(data, index_type):
for ap_ssid in data:
result_dict = data[ap_ssid]
index_list = result_dict.keys()
index_list.sort()
if index_type == "att":
index_list.reverse()
for i, index_value in enumerate(index_list[1:]):
if index_value < self.BAD_POINT_RSSI_THRESHOLD or \
result_dict[index_list[i]] < self.BAD_POINT_MIN_THRESHOLD:
continue
_percentage = result_dict[index_value] / result_dict[index_list[i]]
if _percentage < 1 - self.BAD_POINT_PERCENTAGE_THRESHOLD:
self.error_list.append("[Error][Bad point][{}][{}: {}]: drop {:.02f}%"
.format(ap_ssid, index_type, index_value,
(1 - _percentage) * 100))
analysis_bad_point(self.throughput_by_rssi, "rssi")
analysis_bad_point(self.throughput_by_att, "att")
@staticmethod
def _convert_to_draw_format(data, label):
keys = data.keys()
keys.sort()
return {
"x-axis": keys,
"y-axis": [data[x] for x in keys],
"label": label,
}
def draw_throughput_figure(self, path, ap_ssid, draw_type):
"""
:param path: folder to save figure. make sure the folder is already created.
:param ap_ssid: ap ssid string or a list of ap ssid string
:param draw_type: "att" or "rssi"
:return: file_name
"""
if draw_type == "rssi":
type_name = "RSSI"
data = self.throughput_by_rssi
elif draw_type == "att":
type_name = "Att"
data = self.throughput_by_att
else:
raise AssertionError("draw type not supported")
if isinstance(ap_ssid, list):
file_name = "ThroughputVs{}_{}_{}_{}.png".format(type_name, self.proto, self.direction,
hash(ap_ssid)[:6])
data_list = [self._convert_to_draw_format(data[_ap_ssid], _ap_ssid)
for _ap_ssid in ap_ssid]
else:
file_name = "ThroughputVs{}_{}_{}_{}.png".format(type_name, self.proto, self.direction, ap_ssid)
data_list = [self._convert_to_draw_format(data[ap_ssid], ap_ssid)]
LineChart.draw_line_chart(os.path.join(path, file_name),
"Throughput Vs {} ({} {})".format(type_name, self.proto, self.direction),
"Throughput (Mbps)",
"{} (dbm)".format(type_name),
data_list)
return file_name
def draw_rssi_vs_att_figure(self, path, ap_ssid):
"""
:param path: folder to save figure. make sure the folder is already created.
:param ap_ssid: ap to use
:return: file_name
"""
if isinstance(ap_ssid, list):
file_name = "AttVsRSSI_{}.png".format(hash(ap_ssid)[:6])
data_list = [self._convert_to_draw_format(self.att_rssi_map[_ap_ssid], _ap_ssid)
for _ap_ssid in ap_ssid]
else:
file_name = "AttVsRSSI_{}.png".format(ap_ssid)
data_list = [self._convert_to_draw_format(self.att_rssi_map[ap_ssid], ap_ssid)]
LineChart.draw_line_chart(os.path.join(path, file_name),
"Att Vs RSSI",
"Att (dbm)",
"RSSI (dbm)",
data_list)
return file_name
def get_best_throughput(self):
""" get the best throughput during test """
best_for_aps = [max(self.throughput_by_att[ap_ssid].values())
for ap_ssid in self.throughput_by_att]
return max(best_for_aps)
def __str__(self):
"""
returns summary for this test:
1. test result (success or fail)
2. best performance for each AP
3. min free heap size during test
"""
if self.throughput_by_att:
ret = "[{}_{}][{}]: {}\r\n\r\n".format(self.proto, self.direction, self.config_name,
"Fail" if self.error_list else "Success")
ret += "Performance for each AP:\r\n"
for ap_ssid in self.throughput_by_att:
ret += "[{}]: {:.02f} Mbps\r\n".format(ap_ssid, max(self.throughput_by_att[ap_ssid].values()))
if self.heap_size != INVALID_HEAP_SIZE:
ret += "Minimum heap size: {}".format(self.heap_size)
else:
ret = ""
return ret
class IperfTestUtility(object):
""" iperf test implementation """
def __init__(self, dut, config_name, ap_ssid, ap_password,
pc_nic_ip, pc_iperf_log_file, test_result=None):
self.config_name = config_name
self.dut = dut
self.pc_iperf_log_file = pc_iperf_log_file
self.ap_ssid = ap_ssid
self.ap_password = ap_password
self.pc_nic_ip = pc_nic_ip
if test_result:
self.test_result = test_result
else:
self.test_result = {
"tcp_tx": TestResult("tcp", "tx", config_name),
"tcp_rx": TestResult("tcp", "rx", config_name),
"udp_tx": TestResult("udp", "tx", config_name),
"udp_rx": TestResult("udp", "rx", config_name),
}
def setup(self):
"""
setup iperf test:
1. kill current iperf process
2. reboot DUT (currently iperf is not very robust, need to reboot DUT)
3. scan to get AP RSSI
4. connect to AP
"""
try:
subprocess.check_output("sudo killall iperf 2>&1 > /dev/null", shell=True)
except subprocess.CalledProcessError:
pass
self.dut.write("restart")
self.dut.expect("esp32>")
self.dut.write("scan {}".format(self.ap_ssid))
for _ in range(SCAN_RETRY_COUNT):
try:
rssi = int(self.dut.expect(re.compile(r"\[{}]\[rssi=(-\d+)]".format(self.ap_ssid)),
timeout=SCAN_TIMEOUT)[0])
break
except DUT.ExpectTimeout:
continue
else:
raise AssertionError("Failed to scan AP")
self.dut.write("sta {} {}".format(self.ap_ssid, self.ap_password))
dut_ip = self.dut.expect(re.compile(r"event: sta ip: ([\d.]+), mask: ([\d.]+), gw: ([\d.]+)"))[0]
return dut_ip, rssi
def _save_test_result(self, test_case, raw_data, att, rssi, heap_size):
return self.test_result[test_case].add_result(raw_data, self.ap_ssid, att, rssi, heap_size)
def _test_once(self, proto, direction):
""" do measure once for one type """
# connect and scan to get RSSI
dut_ip, rssi = self.setup()
assert direction in ["rx", "tx"]
assert proto in ["tcp", "udp"]
# run iperf test
if direction == "tx":
with open(PC_IPERF_TEMP_LOG_FILE, "w") as f:
if proto == "tcp":
process = subprocess.Popen(["iperf", "-s", "-B", self.pc_nic_ip,
"-t", str(TEST_TIME), "-i", "1", "-f", "m"],
stdout=f, stderr=f)
self.dut.write("iperf -c {} -i 1 -t {}".format(self.pc_nic_ip, TEST_TIME))
else:
process = subprocess.Popen(["iperf", "-s", "-u", "-B", self.pc_nic_ip,
"-t", str(TEST_TIME), "-i", "1", "-f", "m"],
stdout=f, stderr=f)
self.dut.write("iperf -c {} -u -i 1 -t {}".format(self.pc_nic_ip, TEST_TIME))
for _ in range(TEST_TIMEOUT):
if process.poll() is not None:
break
time.sleep(1)
else:
process.terminate()
with open(PC_IPERF_TEMP_LOG_FILE, "r") as f:
pc_raw_data = server_raw_data = f.read()
else:
with open(PC_IPERF_TEMP_LOG_FILE, "w") as f:
if proto == "tcp":
self.dut.write("iperf -s -i 1 -t {}".format(TEST_TIME))
process = subprocess.Popen(["iperf", "-c", dut_ip,
"-t", str(TEST_TIME), "-f", "m"],
stdout=f, stderr=f)
else:
self.dut.write("iperf -s -u -i 1 -t {}".format(TEST_TIME))
process = subprocess.Popen(["iperf", "-c", dut_ip, "-u", "-b", "100M",
"-t", str(TEST_TIME), "-f", "m"],
stdout=f, stderr=f)
for _ in range(TEST_TIMEOUT):
if process.poll() is not None:
break
time.sleep(1)
else:
process.terminate()
server_raw_data = self.dut.read()
with open(PC_IPERF_TEMP_LOG_FILE, "r") as f:
pc_raw_data = f.read()
# save PC iperf logs to console
with open(self.pc_iperf_log_file, "a+") as f:
f.write("## [{}] `{}`\r\n##### {}"
.format(self.config_name,
"{}_{}".format(proto, direction),
time.strftime("%m-%d %H:%M:%S", time.localtime(time.time()))))
f.write('\r\n```\r\n\r\n' + pc_raw_data + '\r\n```\r\n')
self.dut.write("heap")
heap_size = self.dut.expect(re.compile(r"min heap size: (\d+)\D"))[0]
# return server raw data (for parsing test results) and RSSI
return server_raw_data, rssi, heap_size
def run_test(self, proto, direction, atten_val):
"""
run test for one type, with specified atten_value and save the test result
:param proto: tcp or udp
:param direction: tx or rx
:param atten_val: attenuate value
"""
rssi = FAILED_TO_SCAN_RSSI
heap_size = INVALID_HEAP_SIZE
try:
server_raw_data, rssi, heap_size = self._test_once(proto, direction)
throughput = self._save_test_result("{}_{}".format(proto, direction),
server_raw_data, atten_val,
rssi, heap_size)
Utility.console_log("[{}][{}_{}][{}][{}]: {:.02f}"
.format(self.config_name, proto, direction, rssi, self.ap_ssid, throughput))
except Exception as e:
self._save_test_result("{}_{}".format(proto, direction), "", atten_val, rssi, heap_size)
Utility.console_log("Failed during test: {}".format(e))
def run_all_cases(self, atten_val):
"""
run test for all types (udp_tx, udp_rx, tcp_tx, tcp_rx).
:param atten_val: attenuate value
"""
self.run_test("tcp", "tx", atten_val)
self.run_test("tcp", "rx", atten_val)
self.run_test("udp", "tx", atten_val)
self.run_test("udp", "rx", atten_val)
def wait_ap_power_on(self):
"""
AP need to take sometime to power on. It changes for different APs.
This method will scan to check if the AP powers on.
:return: True or False
"""
self.dut.write("restart")
self.dut.expect("esp32>")
for _ in range(WAIT_AP_POWER_ON_TIMEOUT // SCAN_TIMEOUT):
try:
self.dut.write("scan {}".format(self.ap_ssid))
self.dut.expect(re.compile(r"\[{}]\[rssi=(-\d+)]".format(self.ap_ssid)),
timeout=SCAN_TIMEOUT)
ret = True
break
except DUT.ExpectTimeout:
pass
else:
ret = False
return ret
def build_iperf_with_config(config_name):
"""
we need to build iperf example with different configurations.
:param config_name: sdkconfig we want to build
"""
# switch to iperf example path before build when we're running test with Runner
example_path = os.path.dirname(__file__)
cwd = os.getcwd()
if cwd != example_path and example_path:
os.chdir(example_path)
try:
subprocess.check_call("make clean > /dev/null", shell=True)
subprocess.check_call(["cp", "sdkconfig.defaults.{}".format(config_name), "sdkconfig.defaults"])
subprocess.check_call(["rm", "-f", "sdkconfig"])
subprocess.check_call("make defconfig > /dev/null", shell=True)
# save sdkconfig to generate config comparision report
subprocess.check_call(["cp", "sdkconfig", "sdkconfig.{}".format(config_name)])
subprocess.check_call("make -j5 > /dev/null", shell=True)
subprocess.check_call("make print_flash_cmd | tail -n 1 > build/download.config", shell=True)
finally:
os.chdir(cwd)
def get_configs(env):
att_port = env.get_variable("attenuator_port")
ap_list = env.get_variable("ap_list")
pc_nic_ip = env.get_pc_nic_info("pc_nic", "ipv4")["addr"]
apc_ip = env.get_variable("apc_ip")
pc_iperf_log_file = os.path.join(env.log_path, "pc_iperf_log.md")
return att_port, ap_list, pc_nic_ip, apc_ip, pc_iperf_log_file
@IDF.idf_example_test(env_tag="Example_ShieldBox", category="stress")
def test_wifi_throughput_with_different_configs(env, extra_data):
"""
steps: |
1. build iperf with specified configs
2. test throughput for all routers
"""
att_port, ap_list, pc_nic_ip, apc_ip, pc_iperf_log_file = get_configs(env)
ap_info = ap_list[0]
config_names_raw = subprocess.check_output(["ls", os.path.dirname(os.path.abspath(__file__))])
test_result = dict()
sdkconfig_files = dict()
for config_name in CONFIG_NAME_PATTERN.findall(config_names_raw):
# 1. build config
build_iperf_with_config(config_name)
sdkconfig_files[config_name] = os.path.join(os.path.dirname(__file__),
"sdkconfig.{}".format(config_name))
# 2. get DUT and download
dut = env.get_dut("iperf", "examples/wifi/iperf")
dut.start_app()
dut.expect("esp32>")
# 3. run test for each required att value
test_result[config_name] = {
"tcp_tx": TestResult("tcp", "tx", config_name),
"tcp_rx": TestResult("tcp", "rx", config_name),
"udp_tx": TestResult("udp", "tx", config_name),
"udp_rx": TestResult("udp", "rx", config_name),
}
test_utility = IperfTestUtility(dut, config_name, ap_info["ssid"],
ap_info["password"], pc_nic_ip, pc_iperf_log_file, test_result[config_name])
PowerControl.Control.control_rest(apc_ip, ap_info["outlet"], "OFF")
PowerControl.Control.control(apc_ip, {ap_info["outlet"]: "ON"})
assert Attenuator.set_att(att_port, 0) is True
if not test_utility.wait_ap_power_on():
Utility.console_log("[{}] failed to power on, skip testing this AP"
.format(ap_info["ssid"]), color="red")
for _ in range(RETRY_COUNT_FOR_BEST_PERFORMANCE):
test_utility.run_all_cases(0)
for result_type in test_result[config_name]:
summary = str(test_result[config_name][result_type])
if summary:
Utility.console_log(summary, color="orange")
# 4. check test results
env.close_dut("iperf")
# 5. generate report
report = ThroughputForConfigsReport(os.path.join(env.log_path, "ThroughputForConfigsReport"),
ap_info["ssid"], test_result, sdkconfig_files)
report.generate_report()
@IDF.idf_example_test(env_tag="Example_ShieldBox", category="stress")
def test_wifi_throughput_vs_rssi(env, extra_data):
"""
steps: |
1. build with best performance config
2. switch on one router
3. set attenuator value from 0-60 for each router
4. test TCP tx rx and UDP tx rx throughput
"""
att_port, ap_list, pc_nic_ip, apc_ip, pc_iperf_log_file = get_configs(env)
pc_iperf_log_file = os.path.join(env.log_path, "pc_iperf_log.md")
test_result = {
"tcp_tx": TestResult("tcp", "tx", BEST_PERFORMANCE_CONFIG),
"tcp_rx": TestResult("tcp", "rx", BEST_PERFORMANCE_CONFIG),
"udp_tx": TestResult("udp", "tx", BEST_PERFORMANCE_CONFIG),
"udp_rx": TestResult("udp", "rx", BEST_PERFORMANCE_CONFIG),
}
# 1. build config
build_iperf_with_config(BEST_PERFORMANCE_CONFIG)
# 2. get DUT and download
dut = env.get_dut("iperf", "examples/wifi/iperf")
dut.start_app()
dut.expect("esp32>")
# 3. run test for each required att value
for ap_info in ap_list:
test_utility = IperfTestUtility(dut, BEST_PERFORMANCE_CONFIG, ap_info["ssid"], ap_info["password"],
pc_nic_ip, pc_iperf_log_file, test_result)
PowerControl.Control.control_rest(apc_ip, ap_info["outlet"], "OFF")
PowerControl.Control.control(apc_ip, {ap_info["outlet"]: "ON"})
Attenuator.set_att(att_port, 0)
if not test_utility.wait_ap_power_on():
Utility.console_log("[{}] failed to power on, skip testing this AP"
.format(ap_info["ssid"]), color="red")
continue
for atten_val in ATTEN_VALUE_LIST:
assert Attenuator.set_att(att_port, atten_val) is True
test_utility.run_all_cases(atten_val)
# 4. check test results
env.close_dut("iperf")
# 5. generate report
report = ThroughputVsRssiReport(os.path.join(env.log_path, "ThroughputVsRssiReport"),
test_result)
report.generate_report()
@IDF.idf_example_test(env_tag="Example_ShieldBox")
def test_wifi_throughput_basic(env, extra_data):
"""
steps: |
1. test TCP tx rx and UDP tx rx throughput
2. compare with the pre-defined pass standard
"""
att_port, ap_list, pc_nic_ip, apc_ip, pc_iperf_log_file = get_configs(env)
ap_info = ap_list[0]
# 1. build iperf with best config
build_iperf_with_config(BEST_PERFORMANCE_CONFIG)
# 2. get DUT
dut = env.get_dut("iperf", "examples/wifi/iperf")
dut.start_app()
dut.expect("esp32>")
# 3. preparing
test_result = {
"tcp_tx": TestResult("tcp", "tx", BEST_PERFORMANCE_CONFIG),
"tcp_rx": TestResult("tcp", "rx", BEST_PERFORMANCE_CONFIG),
"udp_tx": TestResult("udp", "tx", BEST_PERFORMANCE_CONFIG),
"udp_rx": TestResult("udp", "rx", BEST_PERFORMANCE_CONFIG),
}
test_utility = IperfTestUtility(dut, BEST_PERFORMANCE_CONFIG, ap_info["ssid"],
ap_info["password"], pc_nic_ip, pc_iperf_log_file, test_result)
PowerControl.Control.control_rest(apc_ip, ap_info["outlet"], "OFF")
PowerControl.Control.control(apc_ip, {ap_info["outlet"]: "ON"})
assert Attenuator.set_att(att_port, 0) is True
if not test_utility.wait_ap_power_on():
Utility.console_log("[{}] failed to power on, skip testing this AP"
.format(ap_info["ssid"]), color="red")
# 4. run test for TCP Tx, Rx and UDP Tx, Rx
for _ in range(RETRY_COUNT_FOR_BEST_PERFORMANCE):
test_utility.run_all_cases(0)
# 5. log performance and compare with pass standard
for throughput_type in test_result:
IDF.log_performance("{}_throughput".format(throughput_type),
"{:.02f} Mbps".format(test_result[throughput_type].get_best_throughput()))
# do check after logging, otherwise test will exit immediately if check fail, some performance can't be logged.
for throughput_type in test_result:
IDF.check_performance("{}_throughput".format(throughput_type),
test_result[throughput_type].get_best_throughput())
env.close_dut("iperf")
if __name__ == '__main__':
test_wifi_throughput_basic(env_config_file="EnvConfig.yml")
test_wifi_throughput_with_different_configs(env_config_file="EnvConfig.yml")
test_wifi_throughput_vs_rssi(env_config_file="EnvConfig.yml")
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