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 | 19 +++++++---- dts/tests/TestSuite_smoke_tests.py | 53 +++++++++++++++++++++++++++--- 3 files changed, 70 insertions(+), 18 deletions(-)
diff --git a/dts/tests/TestSuite_hello_world.py b/dts/tests/TestSuite_hello_world.py index 7e3d95c0cf..662a8f8726 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() @@ -44,14 +48,14 @@ 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..e0c5239612 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 +14,27 @@ 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 +44,8 @@ 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 e8016d1b54..6fae099a0e 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 @@ -11,13 +22,25 @@ 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. """ @@ -25,7 +48,13 @@ def set_up_suite(self) -> None: self.nics_in_node = self.sut_node.config.ports def test_unit_tests(self) -> None: - """ + """DPDK meson fast-tests unit tests. + + The DPDK unit tests are basic tests that indicate regressions and other critical failures. + These need to be addressed before other testing. + + The fast-tests unit tests are a subset with only the most basic tests. + Test: Run the fast-test unit-test suite through meson. """ @@ -37,7 +66,14 @@ def test_unit_tests(self) -> None: ) def test_driver_tests(self) -> None: - """ + """DPDK meson driver-tests unit tests. + + The DPDK unit tests are basic tests that indicate regressions and other critical failures. + These need to be addressed before other testing. + + The driver-tests unit tests are a subset that test only drivers. These may be run + with virtual devices as well. + Test: Run the driver-test unit-test suite through meson. """ @@ -63,7 +99,10 @@ def test_driver_tests(self) -> None: ) def test_devices_listed_in_testpmd(self) -> None: - """ + """Testpmd device discovery. + + If the configured devices can't be found in testpmd, they can't be tested. + Test: Uses testpmd driver to verify that devices have been found by testpmd. """ @@ -79,7 +118,11 @@ def test_devices_listed_in_testpmd(self) -> None: ) def test_device_bound_to_driver(self) -> None: - """ + """Device driver in OS. + + The devices must be bound to the proper driver, otherwise they can't be used by DPDK + or the traffic generators. + Test: Ensure that all drivers listed in the config are bound to the correct driver. -- 2.34.1