Add playwright inv task.

Author: jzohrab

.pytest.ini

@@ -4,7 +4,7 @@ testpaths =
 
 # Acceptance tests are ignored because they are
 # slow.  Run them using "inv accept".
-addopts = --ignore=tests/acceptance/
+addopts = --ignore=tests/acceptance/ --ignore=tests/playwright/
 
 # Acceptance tests were raising FutureWarning:
 # FutureWarning: Deleting all cookies via CookieManager.delete()

docs/development.md

@@ -63,7 +63,7 @@ Shut down your dev instance of Lute if it's running, and then run
 inv full
 ```
 
-to do a full pylint, test, and acceptance test run.  This should complete without errors, as lute master and develop branch are always kept passing in CI.
+to do a full pylint, test, acceptance, and playwright test run.  This should complete without errors, as lute master and develop branch are always kept passing in CI.
 
 # Development
 
@@ -88,6 +88,7 @@ Some useful tasks:
 | inv start | start the app on a development Flask server in dev/debug mode |
 | inv lint | lint |
 | inv accept | start a running instance of the app server if needed, and run acceptance tests |
+| inv playwright | start a running instance of the app server if needed, and run playwright tests |
 
 ## Database changes
 

tasks.py

@@ -147,6 +147,31 @@ def accept(  # pylint: disable=too-many-arguments
             app_process.terminate()
 
 
+@task(pre=[_ensure_test_db])
+def playwright(c):
+    """
+    Start lute, run playwright tests.
+
+    Only uses port 5000.
+
+    If Lute's not running on specified port, start a server.
+    """
+    run_test = [
+        "python",
+        "-m",
+        "tests.playwright.playwright",
+    ]
+
+    port = 5000
+    if _site_is_running(port):
+        c.run(" ".join(run_test))
+    else:
+        cmd = ["python", "-m", "tests.acceptance.start_acceptance_app", f"{port}"]
+        with subprocess.Popen(cmd) as app_process:
+            subprocess.run(run_test, check=True)
+            app_process.terminate()
+
+
 @task(pre=[_ensure_test_db], help={"html": "open html report"})
 def coverage(c, html=False):
     """
@@ -170,7 +195,7 @@ def black(c):
     c.run("python -m black .")
 
 
-@task(pre=[test, accept, black, lint])
+@task(pre=[test, accept, playwright, black, lint])
 def full(c):  # pylint: disable=unused-argument
     """
     Run full check and lint.
@@ -183,6 +208,7 @@ def full(c):  # pylint: disable=unused-argument
 ns.add_task(lint)
 ns.add_task(test)
 ns.add_task(accept)
+ns.add_task(playwright)
 ns.add_task(coverage)
 ns.add_task(todos)
 ns.add_task(start)