Add missing CreateMultipartUpload in API

tests/test_api_multipart.py

@@ -0,0 +1,93 @@
+import io
+import pytest
+from xml.etree.ElementTree import fromstring
+
+@pytest.fixture
+def client(app):
+    return app.test_client()
+
+@pytest.fixture
+def auth_headers(app):
+    # Create a test user and return headers
+    # Using the user defined in conftest.py
+    return {
+        "X-Access-Key": "test",
+        "X-Secret-Key": "secret"
+    }
+
+def test_multipart_upload_flow(client, auth_headers):
+    # 1. Create bucket
+    client.put("/test-bucket", headers=auth_headers)
+
+    # 2. Initiate Multipart Upload
+    resp = client.post("/test-bucket/large-file.txt?uploads", headers=auth_headers)
+    assert resp.status_code == 200
+    root = fromstring(resp.data)
+    upload_id = root.find("UploadId").text
+    assert upload_id
+
+    # 3. Upload Part 1
+    resp = client.put(
+        f"/test-bucket/large-file.txt?partNumber=1&uploadId={upload_id}",
+        headers=auth_headers,
+        data=b"part1"
+    )
+    assert resp.status_code == 200
+    etag1 = resp.headers["ETag"]
+    assert etag1
+
+    # 4. Upload Part 2
+    resp = client.put(
+        f"/test-bucket/large-file.txt?partNumber=2&uploadId={upload_id}",
+        headers=auth_headers,
+        data=b"part2"
+    )
+    assert resp.status_code == 200
+    etag2 = resp.headers["ETag"]
+    assert etag2
+
+    # 5. Complete Multipart Upload
+    xml_body = f"""
+    <CompleteMultipartUpload>
+        <Part>
+            <PartNumber>1</PartNumber>
+            <ETag>{etag1}</ETag>
+        </Part>
+        <Part>
+            <PartNumber>2</PartNumber>
+            <ETag>{etag2}</ETag>
+        </Part>
+    </CompleteMultipartUpload>
+    """
+    resp = client.post(
+        f"/test-bucket/large-file.txt?uploadId={upload_id}",
+        headers=auth_headers,
+        data=xml_body
+    )
+    assert resp.status_code == 200
+    root = fromstring(resp.data)
+    assert root.find("Key").text == "large-file.txt"
+
+    # 6. Verify object content
+    resp = client.get("/test-bucket/large-file.txt", headers=auth_headers)
+    assert resp.status_code == 200
+    assert resp.data == b"part1part2"
+
+def test_abort_multipart_upload(client, auth_headers):
+    client.put("/abort-bucket", headers=auth_headers)
+    
+    # Initiate
+    resp = client.post("/abort-bucket/file.txt?uploads", headers=auth_headers)
+    upload_id = fromstring(resp.data).find("UploadId").text
+
+    # Abort
+    resp = client.delete(f"/abort-bucket/file.txt?uploadId={upload_id}", headers=auth_headers)
+    assert resp.status_code == 204
+
+    # Try to upload part (should fail)
+    resp = client.put(
+        f"/abort-bucket/file.txt?partNumber=1&uploadId={upload_id}",
+        headers=auth_headers,
+        data=b"data"
+    )
+    assert resp.status_code == 404  # NoSuchUpload