test: add a script to run test servers

Instead of trying to use bash directly, run the test servers using a
script. This works around quoting and path resolution issues.

Author: apotterri

_appmap/test/bin/runner

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -ex
+
+cd "$1"; shift
+
+exec $@

_appmap/test/test_django.py

@@ -233,13 +233,12 @@ def startup_check(self):
                 pass
             return False
 
+        terminate_on_interrupt = True
         pattern = f"server at http://{host}:{port}"
         args = [
-            "bash",
-            "-ec",
-            f"cd {Path(__file__).parent / 'data'/ 'django'};"
-            + f" {sys.executable} manage.py runserver"
-            + f" {host}:{port}",
+            Path(__file__).parent / "bin" / "runner",
+            (Path(__file__).parent / "data" / "django").as_posix(),
+            f"{Path(sys.executable).as_posix()} manage.py runserver {host}:{port}",
         ]
         env = {
             "DJANGO_SETTINGS_MODULE": f"djangoapp.{settings}",

_appmap/test/test_fastapi.py

@@ -88,14 +88,15 @@ def startup_check(self):
                 pass
             return False
 
+        timeout = 10
+        terminate_on_interrupt = True
         pattern = f"Uvicorn running on http://{host}:{port}"
         # Can't set popen_kwargs["cwd"] until
         # https://github.com/pytest-dev/pytest-xprocess/issues/89 is fixed.
         args = [
-            "bash",
-            "-ec",
-            f"cd {Path(__file__).parent / 'data'/ 'fastapi'};"
-            + f" {sys.executable} -m uvicorn fastapiapp.main:app"
+            Path(__file__).parent / "bin" / "runner",
+            (Path(__file__).parent / "data" / "fastapi").as_posix(),
+            f"{Path(sys.executable).as_posix()} -m uvicorn fastapiapp.main:app"
             + f" {reload} --host {host} --port {port}",
         ]
         env = {

_appmap/test/test_flask.py

@@ -125,16 +125,16 @@ def startup_check(self):
                 pass
             return False
 
+        terminate_on_interrupt = True
         pattern = f"Running on http://{host}:{port}"
         args = [
-            "bash",
-            "-ec",
-            f"cd {Path(__file__).parent / 'data'/ 'flask'};"
-            + f" {sys.executable} -m flask run"
-            + f" -p {port}",
+            Path(__file__).parent / "bin" / "runner",
+            (Path(__file__).parent / "data" / "flask").as_posix(),
+            f" {Path(sys.executable).as_posix()} -m flask run -p {port}",
         ]
         print(args)
         env = {
+            "APPMAP_DISABLE_LOG_FILE": "false",
             "FLASK_APP": "flaskapp.py",
             "FLASK_DEBUG": flask_debug,
             "PYTHONUNBUFFERED": "1",