diff --git a/tests/test_responder.py b/tests/test_responder.py
index 2c479f7..7048d1b 100644
--- a/tests/test_responder.py
+++ b/tests/test_responder.py
@@ -2,8 +2,10 @@ import concurrent
 
 import pytest
 import yaml
+import random
 import responder
 import requests
+import string
 import io
 
 from starlette.responses import PlainTextResponse
@@ -603,3 +605,78 @@ def test_allowed_hosts():
     api._session = None
     r = api.session(base_url="http://tenant2.;").get(api.url_for(get))
     assert r.status_code == 200
+
+
+def create_asset(static_dir, name=None, parent_dir=None):
+    if name is None:
+        name = random.choices(string.ascii_letters, k=6)
+        # :3
+        ext = random.choices(string.ascii_letters, k=2)
+        name = f"{name}.{ext}"
+
+    if parent_dir is None:
+        parent_dir = static_dir
+    else:
+        parent_dir = static_dir.mkdir(parent_dir)
+
+    asset = parent_dir.join(name)
+    asset.write("body { color: blue; }")
+    return asset
+
+
+def test_staticfiles(tmpdir):
+    static_dir = tmpdir.mkdir("static")
+
+    asset1 = create_asset(static_dir)
+    parent_dir = "css"
+    asset2 = create_asset(static_dir, name="asset2", parent_dir=parent_dir)
+
+    api = responder.API(static_dir=str(static_dir))
+    session = api.session()
+
+    static_route = api.static_route
+
+    # ok
+    r = session.get(f"{static_route}/{asset1.basename}")
+    assert r.status_code == api.status_codes.HTTP_200
+
+    r = session.get(f"{static_route}/{parent_dir}/{asset2.basename}")
+    assert r.status_code == api.status_codes.HTTP_200
+
+    # Asset not found
+    r = session.get(f"{static_route}/not_found.css")
+    assert r.status_code == api.status_codes.HTTP_404
+
+    # Not found on dir listing
+    r = session.get(f"{static_route}")
+    assert r.status_code == api.status_codes.HTTP_404
+
+    r = session.get(f"{static_route}/{parent_dir}")
+    assert r.status_code == api.status_codes.HTTP_404
+
+
+def test_staticfiles_custom_route(tmpdir):
+    static_dir = tmpdir.mkdir("static")
+    static_route = "custom/static/route/"
+
+    asset = create_asset(static_dir)
+
+    api = responder.API(static_dir=str(static_dir), static_route=static_route)
+    session = api.session()
+
+    # Check
+    assert api.static_route == "/custom/static/route"
+
+    static_route = api.static_route
+
+    # ok
+    r = session.get(f"{static_route}/{asset.basename}")
+    assert r.status_code == api.status_codes.HTTP_200
+
+    # Asset not found
+    r = session.get(f"{static_route}/not_found.css")
+    assert r.status_code == api.status_codes.HTTP_404
+
+    # Not found on dir listing
+    r = session.get(f"{static_route}")
+    assert r.status_code == api.status_codes.HTTP_404