Pfc tests migration from abstract to snappi

tests/snappi/conftest.py

@@ -0,0 +1,74 @@
+import pytest
+import random
+from tests.common.ixia.common_helpers import enable_packet_aging, start_pfcwd
+from tests.conftest import generate_priority_lists
+
+@pytest.fixture(autouse=True, scope="module")
+def rand_lossless_prio(request):
+    """
+    Fixture that randomly selects a lossless priority
+
+    Args:
+        request (object): pytest request object
+
+    Yields:
+        lossless priority (str): string containing 'hostname|lossless priority'
+
+    """
+    lossless_prios = generate_priority_lists(request, "lossless")
+    if lossless_prios:
+        yield random.sample(lossless_prios, 1)[0]
+    else:
+        yield 'unknown|unknown'
+
+@pytest.fixture(autouse=True, scope="module")
+def rand_lossy_prio(request):
+    """
+    Fixture that randomly selects a lossy priority
+
+    Args:
+        request (object): pytest request object
+
+    Yields:
+        lossy priority (str): string containing 'hostname|lossy priority'
+
+    """
+    lossy_prios = generate_priority_lists(request, "lossy")
+    if lossy_prios:
+        yield random.sample(lossy_prios, 1)[0]
+    else:
+        yield 'unknown|unknown'
+
+@pytest.fixture(autouse=True, scope="module")
+def start_pfcwd_after_test(duthosts, rand_one_dut_hostname):
+    """
+    Ensure that PFC watchdog is enabled with default setting after tests
+
+    Args:
+        duthosts (pytest fixture) : list of DUTs
+        rand_one_dut_hostname (pytest fixture): DUT hostname
+
+    Yields:
+        N/A
+    """
+    yield
+
+    duthost = duthosts[rand_one_dut_hostname]
+    start_pfcwd(duthost)
+
+@pytest.fixture(autouse=True, scope="module")
+def enable_packet_aging_after_test(duthosts, rand_one_dut_hostname):
+    """
+    Ensure that packet aging is enabled after tests
+
+    Args:
+        duthosts (pytest fixture) : list of DUTs
+        rand_one_dut_hostname (pytest fixture): DUT hostname
+
+    Yields:
+        N/A
+    """
+    yield
+
+    duthost = duthosts[rand_one_dut_hostname]
+    enable_packet_aging(duthost)

tests/snappi/pfc/files/__init__.py

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+# Local library for PFC tests.