[PATCH 2/2] dts: add blocklist test suite

[Luca Vizzarro <luca.vizzarro@arm.com>]

This test suite tests the port blocklisting functionality built in
testpmd.

Signed-off-by: Luca Vizzarro <luca.vizzarro@arm.com>
Reviewed-by: Paul Szczepanek <paul.szczepanek@arm.com>
---
 dts/framework/config/conf_yaml_schema.json |  3 +-
 dts/tests/TestSuite_blocklist.py           | 68 ++++++++++++++++++++++
 2 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 dts/tests/TestSuite_blocklist.py

diff --git a/dts/framework/config/conf_yaml_schema.json b/dts/framework/config/conf_yaml_schema.json
index f02a310bb5..e9414ebff1 100644
--- a/dts/framework/config/conf_yaml_schema.json
+++ b/dts/framework/config/conf_yaml_schema.json
@@ -187,7 +187,8 @@
       "enum": [
         "hello_world",
         "os_udp",
-        "pmd_buffer_scatter"
+        "pmd_buffer_scatter",
+        "blocklist"
       ]
     },
     "test_target": {
diff --git a/dts/tests/TestSuite_blocklist.py b/dts/tests/TestSuite_blocklist.py
new file mode 100644
index 0000000000..7d7f323e36
--- /dev/null
+++ b/dts/tests/TestSuite_blocklist.py
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2024 Arm Limited
+
+"""The DPDK device blocklisting test suite.
+
+This testing suite ensures tests the port blocklisting functionality of testpmd.
+"""
+
+from framework.remote_session.testpmd_shell import TestPmdShell
+from framework.test_suite import TestSuite
+from framework.testbed_model.port import Port
+
+
+class TestBlocklist(TestSuite):
+    """DPDK device blocklisting test suite.
+
+    For this test suite to work at least 2 ports need to be configured for the SUT node.
+    """
+
+    def set_up_suite(self) -> None:
+        """Verify setup."""
+        self.verify(len(self.sut_node.ports) >= 2, "At least two ports are required for this test")
+
+    def verify_blocklisted_ports(self, ports_to_block: list[Port]):
+        """Runs testpmd with the given ports blocklisted and verifies the ports."""
+        testpmd = TestPmdShell(self.sut_node, allowed_ports=[], blocked_ports=ports_to_block)
+
+        allowlisted_ports = {port.device_name for port in testpmd.show_port_info_all()}
+        blocklisted_ports = {port.pci for port in ports_to_block}
+
+        # sanity check
+        allowed_len = len(allowlisted_ports - blocklisted_ports)
+        self.verify(allowed_len > 0, "At least one port should have been allowed")
+
+        blocked = not allowlisted_ports & blocklisted_ports
+        self.verify(blocked, "At least one port was not blocklisted")
+
+        testpmd.close()
+
+    def test_bl_no_blocklisted(self):
+        """Run testpmd with no blocklisted device.
+
+        Steps:
+            Run testpmd without specifying allowed or blocked ports.
+        Verify:
+            That no ports were blocked.
+        """
+        self.verify_blocklisted_ports([])
+
+    def test_bl_one_port_blocklisted(self):
+        """Run testpmd with one blocklisted port.
+
+        Steps:
+            Run testpmd with one only one blocklisted port and allowing all the other ones.
+        Verify:
+            That the port was successfully blocklisted.
+        """
+        self.verify_blocklisted_ports(self.sut_node.ports[:1])
+
+    def test_bl_all_but_one_port_blocklisted(self):
+        """Run testpmd with all but one blocklisted port.
+
+        Steps:
+            Run testpmd with only one allowed port, blocking all the other ones.
+        Verify:
+            That all specified ports were successfully blocklisted.
+        """
+        self.verify_blocklisted_ports(self.sut_node.ports[:-1])
-- 
2.34.1