Add a script to do all the work of running tests.

readme.md

@@ -24,6 +24,4 @@ docker-compose up
 
 # Run the E2E tests:
 
-(after `docker-compose up`)
-`docker exec themotte bash -c "cd service && python3 -m pytest -s"`
-
+`./run_tests.py`

run_tests.py

@@ -0,0 +1,52 @@
+#!/usr/bin/python3
+
+import subprocess
+import sys
+
+# we want to leave the container in whatever state it currently is, so check to see if it's running
+docker_inspect = subprocess.run([
+            "docker",
+            "container",
+            "inspect",
+            "-f", "{{.State.Status}}",
+            "themotte",
+        ],
+        capture_output = True,
+    ).stdout.decode("utf-8").strip()
+
+was_running = docker_inspect == "running"
+
+# update containers, just in case they're out of date
+if was_running:
+    print("Updating containers . . .")
+else:
+    print("Starting containers . . .")
+subprocess.run([
+            "docker-compose",
+            "up",
+            "--build",
+            "-d",
+        ],
+        check = True,
+    )
+
+# run the test
+print("Running test . . .")
+result = subprocess.run([
+        "docker",
+        "exec",
+        "themotte",
+        "bash", "-c", "cd service && python3 -m pytest -s"
+    ])
+
+if not was_running:
+    # shut down, if we weren't running in the first place
+    print("Shutting down containers . . .")
+    subprocess.run([
+            "docker-compose",
+            "stop",
+        ],
+        check = True,
+    )
+
+sys.exit(result.returncode)