Modularized the integration tests

tests/integration/test_streaming.py

@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+from wrenn.client import WrennClient
+
+from .conftest import requires_auth
+
+
+@requires_auth
+class TestStreamUploadDownload:
+    def test_stream_upload_and_download(self, client: WrennClient):
+        with client.capsules.create(template="minimal", timeout_sec=120) as cap:
+            cap.wait_ready(timeout=60, interval=1)
+            chunks = [b"chunk0_", b"chunk1_", b"chunk2"]
+
+            def data_gen():
+                yield from chunks
+
+            cap.stream_upload("/tmp/stream_test.bin", data_gen())
+            downloaded = cap.download("/tmp/stream_test.bin")
+            assert downloaded == b"chunk0_chunk1_chunk2"
+
+    def test_stream_download_large(self, client: WrennClient):
+        with client.capsules.create(template="minimal", timeout_sec=120) as cap:
+            cap.wait_ready(timeout=60, interval=1)
+            content = b"x" * 65536 * 3
+            cap.upload("/tmp/large.bin", content)
+            collected = b""
+            for chunk in cap.stream_download("/tmp/large.bin"):
+                collected += chunk
+            assert collected == content