[Bugfinder] Add integration test for bugfinder script

tests/util/test_bugfinder.py

@@ -0,0 +1,40 @@
+import sqlite3
+from pathlib import Path
+
+import pytest
+from decompiler.util.bugfinder.bugfinder import DBConnector, store_reports_from_sample
+
+
+@pytest.fixture
+def temp_sqlite_db(tmp_path):
+    """Fixture for creating a temporary SQLite database."""
+    db_file = tmp_path / "temp.db"
+    return db_file
+
+
+@pytest.fixture
+def test_sample():
+    """Fixture for providing a test sample."""
+    return Path("tests/samples/others/hello-world")
+
+
+def verify_database_contents(db_file):
+    """Check if bugfinder did write into SQLite file."""
+    conn = sqlite3.connect(db_file)
+    cursor = conn.cursor()
+    cursor.execute("SELECT * FROM dewolf")
+    results = cursor.fetchall()
+    assert len(results) > 0, "bugfinder did not write into database"
+    assert "Hello, World!" in str(results)  # maybe this check is too brittle...
+    conn.close()
+
+
+def test_store_reports_from_sample(test_sample, temp_sqlite_db):
+    """
+    Integration test for bugfinder.py:
+    Call bugfinder script on hello-world sample, and see
+    if decompilation (attempts) are written to a temp database file.
+    """
+    with DBConnector(temp_sqlite_db) as db_reports:
+        store_reports_from_sample(test_sample, db_reports, max_size=5)
+    verify_database_contents(temp_sqlite_db)