M6.5: enroll n8n (recipe #6, workflow automation) — tests authored (single-service, .n8n volume)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/n8n/recipe_meta.py

@@ -0,0 +1,7 @@
+# Per-recipe harness config for n8n (recipe #6 — workflow automation; single-service, stateful via
+# the /home/node/.n8n volume, sqlite by default). Normal terminate-at-Traefik (no passthrough).
+# n8n exposes /healthz (200 {"status":"ok"}) once up.
+HEALTH_PATH = "/healthz"
+HEALTH_OK = (200,)
+DEPLOY_TIMEOUT = 600
+HTTP_TIMEOUT = 300

tests/n8n/test_backup.py

@@ -0,0 +1,29 @@
+"""n8n — backup/restore stage (D2): write a marker into the backed-up /home/node/.n8n path, backup,
+mutate, restore, assert the restored state matches the pre-mutation state.
+
+The n8n `app` service is labelled `backupbot.backup=true` with `backupbot.backup.path=/home/node/.n8n`,
+so a marker file there is backed up; checked via `exec_in_app`."""
+import os
+import sys
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "runner"))
+from harness import lifecycle  # noqa: E402
+
+MARKER = "/home/node/.n8n/ci-marker.txt"
+
+
+def test_backup_mutate_restore(deployed, meta):
+    domain = deployed
+
+    lifecycle.exec_in_app(domain, ["sh", "-c", f"echo original > {MARKER}"])
+    assert lifecycle.exec_in_app(domain, ["cat", MARKER]).strip() == "original"
+    lifecycle.backup_app(domain)
+
+    lifecycle.exec_in_app(domain, ["sh", "-c", f"echo mutated > {MARKER}"])
+    assert lifecycle.exec_in_app(domain, ["cat", MARKER]).strip() == "mutated"
+
+    lifecycle.restore_app(domain)
+    lifecycle.wait_healthy(domain, ok_codes=tuple(meta["HEALTH_OK"]), path=meta["HEALTH_PATH"],
+                           deploy_timeout=meta["DEPLOY_TIMEOUT"], http_timeout=meta["HTTP_TIMEOUT"])
+    assert lifecycle.exec_in_app(domain, ["cat", MARKER]).strip() == "original", \
+        "restore did not return the pre-mutation state"

tests/n8n/test_install.py

@@ -0,0 +1,29 @@
+"""n8n — install stage (recipe #6, workflow automation). D2 install + D3 Playwright."""
+import os
+import sys
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "runner"))
+from harness import lifecycle  # noqa: E402
+
+
+def test_healthz(deployed_app):
+    status = lifecycle.http_get(deployed_app, "/healthz")
+    assert status == 200, f"expected 200 from {deployed_app}/healthz, got {status}"
+
+
+def test_playwright_loads_editor(deployed_app):
+    """A real browser loads the live n8n editor SPA over HTTPS."""
+    from playwright.sync_api import sync_playwright
+
+    url = f"https://{deployed_app}/"
+    with sync_playwright() as p:
+        browser = p.chromium.launch(args=["--no-sandbox"])
+        try:
+            ctx = browser.new_context(ignore_https_errors=True)
+            page = ctx.new_page()
+            resp = page.goto(url, wait_until="domcontentloaded", timeout=60000)
+            assert resp is not None and resp.status in (200, 304), f"page status {resp and resp.status}"
+            body = page.content().lower()
+            assert "n8n" in body or "<html" in body, "no n8n content served"
+        finally:
+            browser.close()

tests/n8n/test_upgrade.py

@@ -0,0 +1,41 @@
+"""n8n — upgrade stage (D2): deploy the previous published version, write a data marker into the
+persistent /home/node/.n8n volume, upgrade to current/$REF, assert health + data survival.
+
+n8n state lives in the .n8n volume (sqlite + config); the marker is a file there, read back via
+`exec_in_app` (not HTTP-served)."""
+import os
+import sys
+
+import pytest
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "runner"))
+from harness import lifecycle  # noqa: E402
+
+MARKER = "/home/node/.n8n/ci-marker.txt"
+
+
+@pytest.fixture
+def old_app(recipe, app_domain, meta, request):
+    prev = lifecycle.previous_version(recipe)
+    if not prev:
+        pytest.skip(f"{recipe}: no previous published version to upgrade from")
+    lifecycle.janitor()
+    request.addfinalizer(lambda: lifecycle.teardown_app(app_domain))
+    lifecycle.deploy_app(recipe, app_domain, version=prev)
+    lifecycle.wait_healthy(app_domain, ok_codes=tuple(meta["HEALTH_OK"]), path=meta["HEALTH_PATH"],
+                           deploy_timeout=meta["DEPLOY_TIMEOUT"], http_timeout=meta["HTTP_TIMEOUT"])
+    return app_domain, prev
+
+
+def test_upgrade_preserves_data(old_app, meta):
+    domain, prev = old_app
+    lifecycle.exec_in_app(domain, ["sh", "-c", f"echo upgrade-survives > {MARKER}"])
+    assert lifecycle.exec_in_app(domain, ["cat", MARKER]).strip() == "upgrade-survives"
+
+    lifecycle.upgrade_app(domain, version=os.environ.get("VERSION") or None)
+    lifecycle.wait_healthy(domain, ok_codes=tuple(meta["HEALTH_OK"]), path=meta["HEALTH_PATH"],
+                           deploy_timeout=meta["DEPLOY_TIMEOUT"], http_timeout=meta["HTTP_TIMEOUT"])
+
+    assert lifecycle.http_get(domain, meta["HEALTH_PATH"]) == 200
+    assert lifecycle.exec_in_app(domain, ["cat", MARKER]).strip() == "upgrade-survives", \
+        "data did not survive the upgrade"