xref: /dpdk/dts/tests/TestSuite_hello_world.py (revision 3da59f30a23f2e795d2315f3d949e1b3e0ce0c3d) 
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.test_suite import TestSuite
11from framework.testbed_model import (
12    LogicalCoreCount,
13    LogicalCoreCountFilter,
14    LogicalCoreList,
15)
16
17
18class TestHelloWorld(TestSuite):
19    """DPDK hello world app test suite."""
20
21    def set_up_suite(self) -> None:
22        """Set up the test suite.
23
24        Setup:
25            Build the app we're about to test - helloworld.
26        """
27        self.app_helloworld_path = self.sut_node.build_dpdk_app("helloworld")
28
29    def test_hello_world_single_core(self) -> None:
30        """Single core test case.
31
32        Steps:
33            Run the helloworld app on the first usable logical core.
34        Verify:
35            The app prints a message from the used core:
36            "hello from core <core_id>"
37        """
38        # get the first usable core
39        lcore_amount = LogicalCoreCount(1, 1, 1)
40        lcores = LogicalCoreCountFilter(self.sut_node.lcores, lcore_amount).filter()
41        eal_para = self.sut_node.create_eal_parameters(lcore_filter_specifier=lcore_amount)
42        result = self.sut_node.run_dpdk_app(self.app_helloworld_path, eal_para)
43        self.verify(
44            f"hello from core {int(lcores[0])}" in result.stdout,
45            f"helloworld didn't start on lcore{lcores[0]}",
46        )
47
48    def test_hello_world_all_cores(self) -> None:
49        """All cores test case.
50
51        Steps:
52            Run the helloworld app on all usable logical cores.
53        Verify:
54            The app prints a message from all used cores:
55            "hello from core <core_id>"
56        """
57        # get the maximum logical core number
58        eal_para = self.sut_node.create_eal_parameters(
59            lcore_filter_specifier=LogicalCoreList(self.sut_node.lcores)
60        )
61        result = self.sut_node.run_dpdk_app(self.app_helloworld_path, eal_para, 50)
62        for lcore in self.sut_node.lcores:
63            self.verify(
64                f"hello from core {int(lcore)}" in result.stdout,
65                f"helloworld didn't start on lcore{lcore}",
66            )
67