Updated PTF use-case. Enabled PTF TCs run from CI/CD (opencomputeproj…

…ect#189)

Signed-off-by: Andriy Kokhan <andriy.kokhan@gmail.com>
Signed-off-by: selldinesh <dinesh.sellappan@keysight.com>

.github/workflows/sc-standalone-deb10.yml

@@ -102,3 +102,6 @@ jobs:
       run: ./exec.sh --no-tty -s thrift pytest --testbed=saivs_thrift_standalone -v -k "test_sairec"
     - name: Run thrift API tests
       run: ./exec.sh --no-tty -s thrift pytest --testbed=saivs_thrift_standalone -v -k "api/test"
+
+    - name: Run PTF tests
+      run: ./exec.sh --no-tty -s thrift pytest --testbed=saivs_thrift_standalone -v ../usecases/sai-ptf/SAI/ptf/saifdb.py -k FdbAttributeTest

.github/workflows/sc-standalone-deb11.yml

@@ -102,3 +102,6 @@ jobs:
       run: ./exec.sh --no-tty -s thrift pytest --testbed=saivs_thrift_standalone -v -k "test_sairec"
     - name: Run thrift API tests
       run: ./exec.sh --no-tty -s thrift pytest --testbed=saivs_thrift_standalone -v -k "api/test"
+
+    - name: Run PTF tests
+      run: ./exec.sh --no-tty -s thrift pytest --testbed=saivs_thrift_standalone -v ../usecases/sai-ptf/SAI/ptf/saifdb.py -k FdbAttributeTest

usecases/sai-ptf/README.md

@@ -6,29 +6,22 @@ SAI Challenger has capability to run these tests by setting up proper test envir
 
 # Steps to run tests
 
-0. Setup the environment
+1. Setup the environment
 ```
 git submodule update --init
-cp usecases/sai-ptf/ptf-conftest.py usecases/sai-ptf/SAI/ptf/conftest.py
-cp usecases/sai-ptf/patches/0001-sai-base-test.patch usecases/sai-ptf/SAI/
-cd usecases/sai-ptf/SAI/ && patch -p1 < 0001-sai-base-test.patch && cd -
 ```
 
-1. Build a Docker image with required test env
+2. Build a Docker image with a required test environment.
+   This step is optional. The image can be implicitly pulled from DockerHub by `run.sh`.
 ```
 ./build.sh -s thrift
 ```
 
-2. Start a container based on newly built image
+3. Start a Docker container
 ```
 ./run.sh -s thrift
 ```
 
-3. Login into the container
-```
-docker exec -ti sc-thrift-trident2-saivs-run bash
-```
-
 4. Run a test
 
 
@@ -39,11 +32,6 @@ To run PTF test case:
 pytest --testbed=saivs_thrift_standalone ../usecases/sai-ptf/SAI/ptf/saifdb.py -k FdbAttributeTest -v
 ```
 
-To clean-up `saiserver` for `saivs` target after test case execution:
-```
-supervisorctl restart saiserver
-```
-
 To run SAI Challenger test case using Thrift RPC:
 ```
 pytest --testbed=saivs_thrift_standalone -k "access_to_access" -v

usecases/sai-ptf/ptf-conftest.py → usecases/sai-ptf/conftest.py

@@ -1,18 +1,42 @@
 import sys
 import pytest
+import subprocess
 from saichallenger.common.sai_testbed import SaiTestbedMeta
 
+sys.path.insert(0, '/sai-challenger/ptf/src')
 
-def import_base_modules():
-    sys.path.insert(0, '/sai-challenger/ptf/src')
 
-import_base_modules()
+@pytest.hookimpl(tryfirst=True)
+def pytest_sessionstart(session):
+    patch_file = "/sai-challenger/usecases/sai-ptf/patches/0001-sai-base-test.patch"
+    target_directory = "/sai-challenger/usecases/sai-ptf/SAI/"
+
+    try:
+        command = ["patch", "--dry-run", "--silent", "-N", "-p1", "-i", patch_file, "-d", target_directory]
+        result = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
+        if result.returncode == 0:
+            subprocess.run(["patch", "-p1", "-i", patch_file, "-d", target_directory], check=True)
+        elif result.returncode == 1:
+            # The patch is already applied
+            return
+        else:
+            raise RuntimeError(f"Failed to check whether the patch is already applied: {result}")
+    except Exception as e:
+        raise RuntimeError(f"Failed to apply the patch: {e}")
 
 
 @pytest.fixture(scope="session", autouse=True)
 def set_ptf_params(request):
     if request.config.option.testbed:
         tb_params = SaiTestbedMeta("/sai-challenger", request.config.option.testbed)
+        if tb_params.config['npu'][0]['target'] == 'saivs' and \
+           tb_params.config['npu'][0]['client']['config']['ip'] in ['localhost', '127.0.0.1']:
+            try:
+                # Clean-up saiserver after previous test session
+                subprocess.run(["supervisorctl", "restart", "saiserver"], check=True)
+            except Exception as e:
+                raise RuntimeError(f"Failed to apply the patch: {e}")
+
         tb_params.generate_sai_ptf_config_files()
         ports = to_ptf_int_list(tb_params.config['dataplane'][0]['port_groups'])
     else: