diff --git a/conftest.py b/conftest.py
new file mode 100644
index 0000000..d2a13ae
--- /dev/null
+++ b/conftest.py
@@ -0,0 +1,23 @@
+# flake8: noqa
+import sys
+
+import pytest
+
+
+@pytest.fixture
+def capture_stdpipe(monkeypatch):
+    stream_buf = {"stdout": "", "stderr": "", "writes": 0}
+
+    def mimic_stdout(chars):
+        stream_buf['stdout'] += chars
+        stream_buf['writes'] += 1
+    
+    def mimic_stderr(chars):
+        stream_buf['stderr'] += chars
+        stream_buf['writes'] += 1
+
+
+    monkeypatch.setattr(sys.stdout, 'write', mimic_stdout)
+    monkeypatch.setattr(sys.stderr, 'write', mimic_stderr)
+    
+    return stream_buf
\ No newline at end of file