xref: /dpdk/dts/tests/TestSuite_hello_world.py (revision 039256daa8bfa9d258b57b5fd56c12df9891721f) 
1# SPDX-License-Identifier: BSD-3-Clause
2# Copyright(c) 2010-2014 Intel Corporation
3
4"""The DPDK hello world app test suite.
5
6Run the helloworld example app and verify it prints a message for each used core.
7No other EAL parameters apart from cores are used.
8"""
9
10from framework.remote_session.dpdk_shell import compute_eal_params
11from framework.test_suite import TestSuite, func_test
12from framework.testbed_model.capability import TopologyType, requires
13from framework.testbed_model.cpu import (
14    LogicalCoreCount,
15    LogicalCoreCountFilter,
16    LogicalCoreList,
17)
18
19
20@requires(topology_type=TopologyType.no_link)
21class TestHelloWorld(TestSuite):
22    """DPDK hello world app test suite."""
23
24    def set_up_suite(self) -> None:
25        """Set up the test suite.
26
27        Setup:
28            Build the app we're about to test - helloworld.
29        """
30        self.app_helloworld_path = self.sut_node.build_dpdk_app("helloworld")
31
32    @func_test
33    def hello_world_single_core(self) -> None:
34        """Single core test case.
35
36        Steps:
37            Run the helloworld app on the first usable logical core.
38        Verify:
39            The app prints a message from the used core:
40            "hello from core <core_id>"
41        """
42        # get the first usable core
43        lcore_amount = LogicalCoreCount(1, 1, 1)
44        lcores = LogicalCoreCountFilter(self.sut_node.lcores, lcore_amount).filter()
45        eal_para = compute_eal_params(self.sut_node, lcore_filter_specifier=lcore_amount)
46        result = self.sut_node.run_dpdk_app(self.app_helloworld_path, eal_para)
47        self.verify(
48            f"hello from core {int(lcores[0])}" in result.stdout,
49            f"helloworld didn't start on lcore{lcores[0]}",
50        )
51
52    @func_test
53    def hello_world_all_cores(self) -> None:
54        """All cores test case.
55
56        Steps:
57            Run the helloworld app on all usable logical cores.
58        Verify:
59            The app prints a message from all used cores:
60            "hello from core <core_id>"
61        """
62        # get the maximum logical core number
63        eal_para = compute_eal_params(
64            self.sut_node, lcore_filter_specifier=LogicalCoreList(self.sut_node.lcores)
65        )
66        result = self.sut_node.run_dpdk_app(self.app_helloworld_path, eal_para, 50)
67        for lcore in self.sut_node.lcores:
68            self.verify(
69                f"hello from core {int(lcore)}" in result.stdout,
70                f"helloworld didn't start on lcore{lcore}",
71            )
72