Only run when docker running and on ubuntu on runners.

.github/workflows/code_test_and_deploy.yml

@@ -1,3 +1,6 @@
+"""
+"""
+
 name: tests
 
 on:
@@ -45,13 +48,14 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install .[dev]
-      - name: Shutdown Ubuntu MySQL (SUDO)  # free up port  3306 for ssh tests: https://github.com/orgs/community/discussions/25550
-        run: |
-             if [ "$RUNNER_OS" == "Linux" ]; then
-                sudo service mysql stop
-             fi
       - name: Test
-        run: pytest -k test_combinations_ssh_transfer
+        run: |
+          if [ "$RUNNER_OS" == "Linux" ]; then
+             sudo service mysql stop  # free up port  3306 for ssh tests: https://github.com/orgs/community/discussions/25550
+             pytest
+          else
+             pytest -k "not test_combinations_ssh_transfer and not test_ssh_setup"
+          fi
 
   build_sdist_wheels:
     name: Build source distribution

tests/ssh_test_utils.py

@@ -1,3 +1,7 @@
+"""
+
+"""
+
 import builtins
 import copy
 import os
@@ -93,8 +97,8 @@ def setup_ssh_connection(project, setup_ssh_key_pair=True):
 
 def setup_project_and_container_for_ssh(project):
     """"""
-    assert is_docker_installed(), (
-        "docker not installed, "
+    assert docker_is_running(), (
+        "docker is not running, "
         "this should be checked at the top of test script"
     )
 
@@ -171,21 +175,35 @@ def recursive_search_central(project):
 
 def get_test_ssh():
     """"""
-    docker_installed = is_docker_installed()
+    docker_installed = docker_is_running()
     if not docker_installed:
-        warnings.warn("SSH tests are not run as docker is not installed.")
+        warnings.warn(
+            "SSH tests are not run as docker either not installed or running."
+        )
     return docker_installed
 
 
+def docker_is_running():
+    """"""
+    if not is_docker_installed():
+        return False
+
+    is_running = check_sys_command_returns_0("docker stats --no-stream")
+    return is_running
+
+
 def is_docker_installed():
     """"""
-    check_install = (
-        lambda command: subprocess.run(
+    return check_sys_command_returns_0("docker -v")
+
+
+def check_sys_command_returns_0(command):
+    return (
+        subprocess.run(
             command,
             shell=True,
             stdout=subprocess.DEVNULL,
             stderr=subprocess.DEVNULL,
         ).returncode
         == 0
     )
-    return check_install("docker -v")