diff --git a/tests/test_app.py b/tests/test_app.py
index adf6f9c..ae9cde0 100644
--- a/tests/test_app.py
+++ b/tests/test_app.py
@@ -901,6 +901,90 @@ def test_uptime_monitor_remove_rejects_invalid_expected_name_before_ssh(monkeypa
     assert response.status_code == 400
 
 
+def test_media_verify_returns_duration_and_not_suspect_when_within_tolerance(monkeypatch):
+    monkeypatch.setattr(app, "_find_inventory_host", lambda host: {"user": "sascha", "ip": "10.2.1.100"})
+    calls = []
+
+    def fake_ssh(host, command, timeout=30):
+        calls.append((host, command, timeout))
+        return 0, "2967.355000\n", ""
+
+    monkeypatch.setattr(app, "_ssh", fake_ssh)
+    with TestClient(app.app) as client:
+        response = client.post(
+            "/media/verify",
+            headers={"Authorization": "Bearer test-token"},
+            json={"host": "arrapps", "path": "/data/UHD/serien/Show/ep.mkv", "expected_minutes": 49.5},
+        )
+    assert response.status_code == 200
+    body = response.json()
+    assert body["duration_minutes"] == 49.46
+    assert body["suspect"] is False
+    assert calls[0][0] == "sascha@10.2.1.100"
+    assert "bazarrUHD" in calls[0][1]
+    assert "ffprobe" in calls[0][1]
+
+
+def test_media_verify_flags_truncated_file_as_suspect(monkeypatch):
+    monkeypatch.setattr(app, "_find_inventory_host", lambda host: {"user": "sascha", "ip": "10.2.1.100"})
+    monkeypatch.setattr(app, "_ssh", lambda *_args, **_kwargs: (0, "1836.0\n", ""))
+    with TestClient(app.app) as client:
+        response = client.post(
+            "/media/verify",
+            headers={"Authorization": "Bearer test-token"},
+            json={"host": "arrapps", "path": "/data/UHD/serien/Show/ep.mkv", "expected_minutes": 49.5},
+        )
+    assert response.status_code == 200
+    body = response.json()
+    assert body["suspect"] is True
+    assert body["deviation_pct"] > 20
+
+
+def test_media_verify_rejects_path_outside_data_before_ssh(monkeypatch):
+    monkeypatch.setattr(app, "_ssh", lambda *_args, **_kwargs: (_ for _ in ()).throw(AssertionError("must not SSH")))
+    with TestClient(app.app) as client:
+        response = client.post(
+            "/media/verify",
+            headers={"Authorization": "Bearer test-token"},
+            json={"host": "arrapps", "path": "/etc/passwd"},
+        )
+    assert response.status_code == 400
+
+
+def test_media_verify_rejects_shell_metacharacters_before_ssh(monkeypatch):
+    monkeypatch.setattr(app, "_ssh", lambda *_args, **_kwargs: (_ for _ in ()).throw(AssertionError("must not SSH")))
+    with TestClient(app.app) as client:
+        response = client.post(
+            "/media/verify",
+            headers={"Authorization": "Bearer test-token"},
+            json={"host": "arrapps", "path": "/data/UHD/serien/a'; rm -rf /'.mkv"},
+        )
+    assert response.status_code == 400
+
+
+def test_media_verify_rejects_unknown_host_before_ssh(monkeypatch):
+    monkeypatch.setattr(app, "_ssh", lambda *_args, **_kwargs: (_ for _ in ()).throw(AssertionError("must not SSH")))
+    with TestClient(app.app) as client:
+        response = client.post(
+            "/media/verify",
+            headers={"Authorization": "Bearer test-token"},
+            json={"host": "unknown-host", "path": "/data/UHD/serien/ep.mkv"},
+        )
+    assert response.status_code == 400
+
+
+def test_media_verify_returns_502_on_unparsable_ffprobe_output(monkeypatch):
+    monkeypatch.setattr(app, "_find_inventory_host", lambda host: {"user": "sascha", "ip": "10.2.1.100"})
+    monkeypatch.setattr(app, "_ssh", lambda *_args, **_kwargs: (0, "N/A\n", ""))
+    with TestClient(app.app) as client:
+        response = client.post(
+            "/media/verify",
+            headers={"Authorization": "Bearer test-token"},
+            json={"host": "arrapps", "path": "/data/UHD/serien/ep.mkv"},
+        )
+    assert response.status_code == 502
+
+
 def test_invalid_log_target_is_rejected_before_ssh():
     with TestClient(app.app) as client:
         response = client.get(