diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..a12e979
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,2 @@
+[run]
+omit = duetector/cli/*
diff --git a/duetector/analyzer/db.py b/duetector/analyzer/db.py
index 9450960..df9fdee 100644
--- a/duetector/analyzer/db.py
+++ b/duetector/analyzer/db.py
@@ -6,6 +6,7 @@
 from duetector.analyzer.base import Analyzer
 from duetector.analyzer.models import AnalyzerBrief, Brief, Tracking
 from duetector.db import SessionManager
+from duetector.log import logger
 
 
 class DBAnalyzer(Analyzer):
@@ -140,6 +141,7 @@ def query(
             if order_by_desc:
                 statm = statm.order_by(*[getattr(m, k).desc() for k in order_by_desc])
 
+            logger.debug(f"Querying {tracer}@{collector_id} with statm: {statm}")
             with self.sm.begin() as session:
                 r.extend(
                     [
@@ -192,6 +194,7 @@ def _table_brief(
         m = self.sm.get_tracking_model(tracer, collector_id)
 
         if not inspect:
+            logger.debug(f"Briefing {tracer}@{collector_id} without inspect")
             return Brief(
                 tracer=tracer,
                 collector_id=collector_id,
@@ -209,6 +212,7 @@ def _table_brief(
         start_statm = statm.order_by(m.dt.asc())
         end_statm = statm.order_by(m.dt.desc())
         count_statm = select(func.count()).select_from(statm.subquery())
+        logger.debug(f"Briefing {tracer}@{collector_id} with statm: {start_statm}")
         with self.sm.begin() as session:
             start_tracking = self._convert_row_to_tracking(
                 columns, session.execute(start_statm).first(), tracer
@@ -271,6 +275,7 @@ def brief(
         Returns:
             AnalyzerBrief: A brief of this analyzer.
         """
+
         tables = self.sm.inspect_all_tables()
         if tracers:
             tables = [t for t in tables if self.sm.table_name_to_tracer(t) in tracers]
diff --git a/duetector/service/query/routes.py b/duetector/service/query/routes.py
index e39f544..7700760 100644
--- a/duetector/service/query/routes.py
+++ b/duetector/service/query/routes.py
@@ -28,7 +28,7 @@ async def root(
 @r.post("/{analyzer_name}", response_model=QueryResult)
 async def query(
     analyzer_name: str,
-    query_param: QueryBody = Body(),
+    query_param: QueryBody = Body(default=QueryBody()),
     controller: AnalyzerController = Depends(get_controller(AnalyzerController)),
 ):
     """
diff --git a/tests/config.toml b/tests/config.toml
index 5c04b52..72129ac 100644
--- a/tests/config.toml
+++ b/tests/config.toml
@@ -7,7 +7,7 @@
 
 [filter]
 disabled = false
-
+include_extension = true
 
 [filter.patternfilter]
 disabled = false
@@ -31,6 +31,16 @@ re_exclude_gcustom = ["ignore_custom*"]
 
 [tracer]
 disabled = false
+include_extension = true
+
+[tracer.clonetracer]
+disabled = false
+attach_event = "__x64_sys_clone"
+poll_timeout = 10
+
+[tracer.tcpconnecttracer]
+disabled = false
+poll_timeout = 10
 
 [tracer.unametracer]
 disabled = false
@@ -38,14 +48,20 @@ enable_cache = true
 
 [tracer.opentracer]
 disabled = false
+attach_event = "do_sys_openat2"
+poll_timeout = 10
 
 [collector]
 disabled = false
+include_extension = true
 
 [collector.dbcollector]
 disabled = false
 id = "unittest"
 
+[collector.dbcollector.backend_args]
+max_workers = 10
+
 [collector.dbcollector.db]
 table_prefix = "duetector_tracking"
 
@@ -57,15 +73,31 @@ disabled = true
 id = "unittest"
 maxlen = 1024
 
+[collector.dequecollector.backend_args]
+max_workers = 10
+
 [monitor.bcc]
 disabled = false
 auto_init = true
+continue_on_exception = true
+
+[monitor.bcc.backend_args]
+max_workers = 10
+
+[monitor.bcc.poller]
+interval_ms = 500
 
 [monitor.sh]
 disabled = false
 auto_init = true
 timeout = 5
 
+[monitor.sh.backend_args]
+max_workers = 10
+
+[monitor.sh.poller]
+interval_ms = 500
+
 [db_analyzer.db]
 table_prefix = "duetector_tracking"
 
diff --git a/tests/service/test_query.py b/tests/service/test_query.py
new file mode 100644
index 0000000..48378a0
--- /dev/null
+++ b/tests/service/test_query.py
@@ -0,0 +1,40 @@
+import pytest
+from fastapi.testclient import TestClient
+
+from duetector.analyzer.db import DBAnalyzer
+from duetector.service.app import app
+from duetector.service.config import get_config
+
+
+@pytest.fixture
+def configed_app(full_config):
+    app.dependency_overrides = {get_config: lambda: full_config}
+    return app
+
+
+@pytest.fixture
+def client(configed_app):
+    with TestClient(configed_app) as client:
+        yield client
+
+
+def test_query(client: TestClient):
+    response = client.get(f"/query/")
+    assert response.status_code == 200
+    assert response.json() == {"analyzers": [DBAnalyzer.config_scope]}
+
+
+def test_query_brief(client: TestClient):
+    response = client.get(f"/query/{DBAnalyzer.config_scope}/brief")
+    assert response.status_code == 200
+    assert response.json()
+
+
+def test_query_analyzer(client: TestClient):
+    response = client.post(f"/query/{DBAnalyzer.config_scope}")
+    assert response.status_code == 200
+    assert response.json()
+
+
+if __name__ == "__main__":
+    pytest.main(["-vv", "-s", __file__])
diff --git a/tests/service/test_token.py b/tests/service/test_token.py
index 3bef7b9..bb43ec2 100644
--- a/tests/service/test_token.py
+++ b/tests/service/test_token.py
@@ -22,3 +22,7 @@ def client():
 def test_root(client: TestClient):
     response = client.get("/", params={"token": "test_token"})
     assert response.status_code == 200
+
+
+if __name__ == "__main__":
+    pytest.main(["-vv", "-s", __file__])
diff --git a/tests/test_service.py b/tests/test_service.py
deleted file mode 100644
index 15c51b9..0000000
--- a/tests/test_service.py
+++ /dev/null
@@ -1,5 +0,0 @@
-# TODO
-
-
-def test_service():
-    pass