Format according to the Google format and PEP257, with slight
deviations.
Signed-off-by: Juraj Linkeš <juraj.lin...@pantheon.tech>
---
dts/tests/TestSuite_hello_world.py | 16 +++++---
dts/tests/TestSuite_os_udp.py | 20 ++++++----
dts/tests/TestSuite_smoke_tests.py | 61 ++++++++++++++++++++++++------
3 files changed, 72 insertions(+), 25 deletions(-)
diff --git a/dts/tests/TestSuite_hello_world.py
b/dts/tests/TestSuite_hello_world.py
index 768ba1cfa8..fd7ff1534d 100644
--- a/dts/tests/TestSuite_hello_world.py
+++ b/dts/tests/TestSuite_hello_world.py
@@ -1,7 +1,8 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2010-2014 Intel Corporation
-"""
+"""The DPDK hello world app test suite.
+
Run the helloworld example app and verify it prints a message for each used
core.
No other EAL parameters apart from cores are used.
"""
@@ -15,22 +16,25 @@
class TestHelloWorld(TestSuite):
+ """DPDK hello world app test suite."""
+
def set_up_suite(self) -> None:
- """
+ """Set up the test suite.
+
Setup:
Build the app we're about to test - helloworld.
"""
self.app_helloworld_path = self.sut_node.build_dpdk_app("helloworld")
def test_hello_world_single_core(self) -> None:
- """
+ """Single core test case.
+
Steps:
Run the helloworld app on the first usable logical core.
Verify:
The app prints a message from the used core:
"hello from core <core_id>"
"""
-
# get the first usable core
lcore_amount = LogicalCoreCount(1, 1, 1)
lcores = LogicalCoreCountFilter(self.sut_node.lcores,
lcore_amount).filter()
@@ -42,14 +46,14 @@ def test_hello_world_single_core(self) -> None:
)
def test_hello_world_all_cores(self) -> None:
- """
+ """All cores test case.
+
Steps:
Run the helloworld app on all usable logical cores.
Verify:
The app prints a message from all used cores:
"hello from core <core_id>"
"""
-
# get the maximum logical core number
eal_para = self.sut_node.create_eal_parameters(
lcore_filter_specifier=LogicalCoreList(self.sut_node.lcores)
diff --git a/dts/tests/TestSuite_os_udp.py b/dts/tests/TestSuite_os_udp.py
index bf6b93deb5..2cf29d37bb 100644
--- a/dts/tests/TestSuite_os_udp.py
+++ b/dts/tests/TestSuite_os_udp.py
@@ -1,7 +1,8 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2023 PANTHEON.tech s.r.o.
-"""
+"""Basic IPv4 OS routing test suite.
+
Configure SUT node to route traffic from if1 to if2.
Send a packet to the SUT node, verify it comes back on the second port on the
TG node.
"""
@@ -13,24 +14,26 @@
class TestOSUdp(TestSuite):
+ """IPv4 UDP OS routing test suite."""
+
def set_up_suite(self) -> None:
- """
+ """Set up the test suite.
+
Setup:
- Configure SUT ports and SUT to route traffic from if1 to if2.
+ Bind the SUT ports to the OS driver, configure the ports and
configure the SUT
+ to route traffic from if1 to if2.
"""
-
- # This test uses kernel drivers
self.sut_node.bind_ports_to_driver(for_dpdk=False)
self.configure_testbed_ipv4()
def test_os_udp(self) -> None:
- """
+ """Basic UDP IPv4 traffic test case.
+
Steps:
Send a UDP packet.
Verify:
The packet with proper addresses arrives at the other TG port.
"""
-
packet = Ether() / IP() / UDP()
received_packets = self.send_packet_and_capture(packet)
@@ -40,7 +43,8 @@ def test_os_udp(self) -> None:
self.verify_packets(expected_packet, received_packets)
def tear_down_suite(self) -> None:
- """
+ """Tear down the test suite.
+
Teardown:
Remove the SUT port configuration configured in setup.
"""
diff --git a/dts/tests/TestSuite_smoke_tests.py
b/dts/tests/TestSuite_smoke_tests.py
index 8958f58dac..5e2bac14bd 100644
--- a/dts/tests/TestSuite_smoke_tests.py
+++ b/dts/tests/TestSuite_smoke_tests.py
@@ -1,6 +1,17 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2023 University of New Hampshire
+"""Smoke test suite.
+
+Smoke tests are a class of tests which are used for validating a minimal set
of important features.
+These are the most important features without which (or when they're faulty)
the software wouldn't
+work properly. Thus, if any failure occurs while testing these features,
+there isn't that much of a reason to continue testing, as the software is
fundamentally broken.
+
+These tests don't have to include only DPDK tests, as the reason for failures
could be
+in the infrastructure (a faulty link between NICs or a misconfiguration).
+"""
+
import re
from framework.config import PortConfig
@@ -11,23 +22,39 @@
class SmokeTests(TestSuite):
+ """DPDK and infrastructure smoke test suite.
+
+ The test cases validate the most basic DPDK functionality needed for all
other test suites.
+ The infrastructure also needs to be tested, as that is also used by all
other test suites.
+
+ Attributes:
+ is_blocking: This test suite will block the execution of all other
test suites
+ in the build target after it.
+ nics_in_node: The NICs present on the SUT node.
+ """
+
is_blocking = True
# dicts in this list are expected to have two keys:
# "pci_address" and "current_driver"
nics_in_node: list[PortConfig] = []
def set_up_suite(self) -> None:
- """
+ """Set up the test suite.
+
Setup:
- Set the build directory path and generate a list of NICs in the
SUT node.
+ Set the build directory path and a list of NICs in the SUT node.
"""
self.dpdk_build_dir_path = self.sut_node.remote_dpdk_build_dir
self.nics_in_node = self.sut_node.config.ports
def test_unit_tests(self) -> None:
- """
+ """DPDK meson ``fast-tests`` unit tests.
+
+ Test that all unit test from the ``fast-tests`` suite pass.
+ The suite is a subset with only the most basic tests.
+
Test:
- Run the fast-test unit-test suite through meson.
+ Run the ``fast-tests`` unit test suite through meson.
"""
self.sut_node.main_session.send_command(
f"meson test -C {self.dpdk_build_dir_path} --suite fast-tests -t
60",
@@ -37,9 +64,14 @@ def test_unit_tests(self) -> None:
)
def test_driver_tests(self) -> None:
- """
+ """DPDK meson ``driver-tests`` unit tests.
+
+ Test that all unit test from the ``driver-tests`` suite pass.
+ The suite is a subset with driver tests. This suite may be run with
virtual devices
+ configured in the test run configuration.
+
Test:
- Run the driver-test unit-test suite through meson.
+ Run the ``driver-tests`` unit test suite through meson.
"""
vdev_args = ""
for dev in self.sut_node.virtual_devices:
@@ -60,9 +92,12 @@ def test_driver_tests(self) -> None:
)
def test_devices_listed_in_testpmd(self) -> None:
- """
+ """Testpmd device discovery.
+
+ Test that the devices configured in the test run configuration are
found in testpmd.
+
Test:
- Uses testpmd driver to verify that devices have been found by
testpmd.
+ List all devices found in testpmd and verify the configured
devices are among them.
"""
testpmd_driver = self.sut_node.create_interactive_shell(TestPmdShell,
privileged=True)
dev_list = [str(x) for x in testpmd_driver.get_devices()]
@@ -74,10 +109,14 @@ def test_devices_listed_in_testpmd(self) -> None:
)
def test_device_bound_to_driver(self) -> None:
- """
+ """Device driver in OS.
+
+ Test that the devices configured in the test run configuration are
bound to
+ the proper driver.
+
Test:
- Ensure that all drivers listed in the config are bound to the
correct
- driver.
+ List all devices with the ``dpdk-devbind.py`` script and verify
that
+ the configured devices are bound to the proper driver.
"""
path_to_devbind = self.sut_node.path_to_devbind_script
--
2.34.1
