diff --git a/backend-app/app/sql_db/file_crud.py b/backend-app/app/sql_db/file_crud.py
index 65332798..1d4c2e08 100644
--- a/backend-app/app/sql_db/file_crud.py
+++ b/backend-app/app/sql_db/file_crud.py
@@ -35,6 +35,8 @@ def create_update_table(df, engine, table_name):
 
 
 def insert_data(db: Session, df: pd.DataFrame, FileTable, update_column_name="id"):
+    # TODO: error handling
+
     # Ensure all numeric columns are correctly cast to numeric types
     numeric_cols = df.select_dtypes(include=["number"]).columns
     df[numeric_cols] = df[numeric_cols].apply(pd.to_numeric, errors="coerce")
diff --git a/backend-app/tests/unit/conftest.py b/backend-app/tests/unit/conftest.py
index 11e82e3a..b69b395c 100644
--- a/backend-app/tests/unit/conftest.py
+++ b/backend-app/tests/unit/conftest.py
@@ -1,18 +1,20 @@
-from fastapi.testclient import TestClient
+from io import BytesIO
+
 import pandas as pd
 import pytest
-from app.sql_db.database import Base
-from app.models.user import UserCreate
-from app.models.database import User as db_user
-from sqlalchemy.orm import Session
+from fastapi.testclient import TestClient
 from sqlalchemy import create_engine
-from io import BytesIO
+from sqlalchemy.orm import Session
 
+from app.api.auth import get_current_active_admin, get_current_active_user, get_user_by_email
 from app.main import app
-from app.api.auth import get_current_active_user, get_current_active_admin, get_user_by_email
+from app.models import user as api_m
+from app.models.database import User as db_user
+from app.models.file_db import create_file_table_class, update_schema
+from app.models.user import UserCreate
 from app.sql_db.crud import create_user, get_db, update_is_active, update_is_admin
+from app.sql_db.database import Base
 from app.sql_db.file_crud import create_update_table, insert_data
-from app.models import user as api_m
 
 
 @pytest.fixture(scope="session")
@@ -117,6 +119,18 @@ def files_good():
     return files
 
 
+@pytest.fixture(scope="function")
+def df_files_good(files_good):
+    df = pd.read_csv(BytesIO(files_good["file"][1].encode()))
+    return df
+
+
+@pytest.fixture(scope="function")
+def file_table_good(df_files_good, db_engine):
+    file_table, msg = create_update_table(df_files_good, db_engine, "file_table")
+    return file_table
+
+
 @pytest.fixture(scope="function")
 def files_good_updated():
     files = {
@@ -128,6 +142,12 @@ def files_good_updated():
     return files
 
 
+@pytest.fixture(scope="function")
+def df_files_good_updated(files_good_updated):
+    df = pd.read_csv(BytesIO(files_good_updated["file"][1].encode()))
+    return df
+
+
 @pytest.fixture(scope="function")
 def files_bad_type():
     files = {
diff --git a/backend-app/tests/unit/test_filedb_crud.py b/backend-app/tests/unit/test_filedb_crud.py
new file mode 100644
index 00000000..5d03618d
--- /dev/null
+++ b/backend-app/tests/unit/test_filedb_crud.py
@@ -0,0 +1,41 @@
+import logging
+
+import pytest
+
+from app.sql_db import file_crud
+
+
+# Test get_db
+def test_get_db(db):
+    session = db
+
+    gen = file_crud.get_db()
+    db = next(gen)
+
+    try:
+        assert type(db).__name__ == type(session).__name__
+
+    finally:
+        gen.close()
+
+
+def test_create_update_table_new_table(df_files_good, db_engine, caplog):
+    with caplog.at_level(logging.INFO):
+        filetable, msg = file_crud.create_update_table(df_files_good, db_engine, "file_table")
+        assert "Creating new table 'file_table'." in caplog.text
+        assert msg == "Table with name file_table created"
+        assert filetable.__tablename__ == "file_table"
+
+
+def test_creat_update_table_existing_table(df_files_good, db_engine, caplog):
+    with caplog.at_level(logging.INFO):
+        filetable, msg = file_crud.create_update_table(df_files_good, db_engine, "file_table")
+        assert "Table 'file_table' already exists. Using existing schema." in caplog.text
+        assert msg == "Table with name file_table updated"
+        assert filetable.__tablename__ == "file_table"
+
+
+def test_insert_data_new_table(db, df_files_good, file_table_good, caplog):
+    with caplog.at_level(logging.INFO):
+        file_crud.insert_data(db, df_files_good, file_table_good)
+        assert "Data inserted into file_table" in caplog.text.strip()