diff --git a/tests/test_api.py b/tests/test_api.py
index 25c299c..9428f45 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -1,30 +1,65 @@
 #!/usr/bin/python
 # -*- coding: UTF-8 -*-
 
+import json
 import logging
 
 import pytest
 
-from stacosys.db import database
+from stacosys.db import database, dao
 from stacosys.interface import api
 from stacosys.interface import app
 
 
+def init_test_db():
+    c1 = dao.create_comment("/site1", "Bob", "/bob.site", "", "comment 1")
+    c2 = dao.create_comment("/site2", "Bill", "/bill.site", "", "comment 2")
+    c3 = dao.create_comment("/site3", "Jack", "/jack.site", "", "comment 3")
+    dao.publish_comment(c1)
+    dao.publish_comment(c3)
+
+
 @pytest.fixture
 def client():
     logger = logging.getLogger(__name__)
     db = database.Database()
     db.setup(":memory:")
+    init_test_db()
     app.config.update(SITE_TOKEN="ETC")
     logger.info(f"start interface {api}")
     return app.test_client()
 
 
 def test_api_ping(client):
-    rv = client.get('/ping')
-    assert rv.data == b"OK"
+    resp = client.get('/ping')
+    assert resp.data == b"OK"
+
+
+def test_api_count_global(client):
+    resp = client.get('/comments/count')
+    d = json.loads(resp.data)
+    assert d and d['count'] == 2
+
+
+def test_api_count_url(client):
+    resp = client.get('/comments/count?url=/site1')
+    d = json.loads(resp.data)
+    assert d and d['count'] == 1
+    resp = client.get('/comments/count?url=/site2')
+    d = json.loads(resp.data)
+    assert d and d['count'] == 0
+
+
+def test_api_comment(client):
+    resp = client.get('/comments?url=/site1')
+    d = json.loads(resp.data)
+    assert d and len(d['data']) == 1
+    comment = d['data'][0]
+    assert comment['author'] == 'Bob'
+    assert comment['content'] == 'comment 1'
 
 
-def test_api_count(client):
-    rv = client.get('/comments/count')
-    assert b'{"count":0}\n' in rv.data
+def test_api_comment_not_found(client):
+    resp = client.get('/comments?url=/site2')
+    d = json.loads(resp.data)
+    assert d and d['data'] == []