From 33a2605d2e5ba257f8842812aa1a3d347736a2ce Mon Sep 17 00:00:00 2001
From: Kirill Reshke <reshke@double.cloud>
Date: Tue, 18 Aug 2026 21:07:21 +0500
Subject: [PATCH 1/4] Test for yproxy multipart read

---
 test/regress/expected/20_multipart_small_chunk.txt | 3 +++
 test/regress/tests/20_multipart_small_chunk.sh     | 7 +++++++
 2 files changed, 10 insertions(+)
 create mode 100644 test/regress/expected/20_multipart_small_chunk.txt
 create mode 100755 test/regress/tests/20_multipart_small_chunk.sh

diff --git a/test/regress/expected/20_multipart_small_chunk.txt b/test/regress/expected/20_multipart_small_chunk.txt
new file mode 100644
index 0000000..b284d94
--- /dev/null
+++ b/test/regress/expected/20_multipart_small_chunk.txt
@@ -0,0 +1,3 @@
+1
+Object: {Name: "/multipart_file", size: 30}
+multipart chunk test data here
diff --git a/test/regress/tests/20_multipart_small_chunk.sh b/test/regress/tests/20_multipart_small_chunk.sh
new file mode 100755
index 0000000..d1cb199
--- /dev/null
+++ b/test/regress/tests/20_multipart_small_chunk.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+set -ex
+
+# Force multipart upload with a tiny chunk size so 30 bytes split into multiple parts
+printf 'multipart chunk test data here' | yp-client --config test/regress/conf/yproxy.yaml -l fatal put --multipart-chunk-size 8 'multipart_file'
+yp-client --config test/regress/conf/yproxy.yaml -l fatal list ''
+yp-client --config test/regress/conf/yproxy.yaml -l fatal cat 'multipart_file'

From 9d4d01b3d894cc930da39c268d2f054dc81249d1 Mon Sep 17 00:00:00 2001
From: reshke <reshke@double.cloud>
Date: Tue, 18 Aug 2026 18:15:36 +0000
Subject: [PATCH 2/4] f

---
 .../regress/tests/20_multipart_small_chunk.sh | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/test/regress/tests/20_multipart_small_chunk.sh b/test/regress/tests/20_multipart_small_chunk.sh
index d1cb199..d7f2f77 100755
--- a/test/regress/tests/20_multipart_small_chunk.sh
+++ b/test/regress/tests/20_multipart_small_chunk.sh
@@ -1,7 +1,22 @@
 #!/bin/bash
 set -ex
 
+
+# Multipart should be at least 5242880 bytes, so we generate 3 full 
+# part and one small tail
+set +x
+value=$(tr -dc 'A-Za-z0-9' < /dev/urandom | head -c $((5242880 * 3 + 67)))
+
 # Force multipart upload with a tiny chunk size so 30 bytes split into multiple parts
-printf 'multipart chunk test data here' | yp-client --config test/regress/conf/yproxy.yaml -l fatal put --multipart-chunk-size 8 'multipart_file'
+printf $value | yp-client --config test/regress/conf/yproxy.yaml -l fatal put --multipart-chunk-size 5242880 'multipart_file'
+value_cat=$(yp-client --config test/regress/conf/yproxy.yaml -l fatal cat 'multipart_file')
+
+set -x
+
 yp-client --config test/regress/conf/yproxy.yaml -l fatal list ''
-yp-client --config test/regress/conf/yproxy.yaml -l fatal cat 'multipart_file'
+
+set +x
+[ $value -eq $value_cat ] || exit 1
+set -x
+
+echo ok

From 89d39872b889e15b0d1926e980d798b7305634de Mon Sep 17 00:00:00 2001
From: reshke <reshke@double.cloud>
Date: Tue, 18 Aug 2026 18:27:17 +0000
Subject: [PATCH 3/4] f

---
 test/regress/expected/20_multipart_small_chunk.txt | 4 ++--
 test/regress/tests/20_multipart_small_chunk.sh     | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/regress/expected/20_multipart_small_chunk.txt b/test/regress/expected/20_multipart_small_chunk.txt
index b284d94..ff16d52 100644
--- a/test/regress/expected/20_multipart_small_chunk.txt
+++ b/test/regress/expected/20_multipart_small_chunk.txt
@@ -1,3 +1,3 @@
 1
-Object: {Name: "/multipart_file", size: 30}
-multipart chunk test data here
+Object: {Name: "/multipart_file", size: 15728707}
+ok
diff --git a/test/regress/tests/20_multipart_small_chunk.sh b/test/regress/tests/20_multipart_small_chunk.sh
index d7f2f77..bb03935 100755
--- a/test/regress/tests/20_multipart_small_chunk.sh
+++ b/test/regress/tests/20_multipart_small_chunk.sh
@@ -16,7 +16,7 @@ set -x
 yp-client --config test/regress/conf/yproxy.yaml -l fatal list ''
 
 set +x
-[ $value -eq $value_cat ] || exit 1
+[[ $value == $value_cat ]] || exit 1
 set -x
 
 echo ok

From 6566c4262b85486ecf6b17b34ed693c5ba4ba7ef Mon Sep 17 00:00:00 2001
From: reshke <reshke@double.cloud>
Date: Tue, 18 Aug 2026 23:32:18 +0500
Subject: [PATCH 4/4] Update expect.txt

---
 .github/actions/spelling/expect.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/actions/spelling/expect.txt b/.github/actions/spelling/expect.txt
index 56c04fe..53144ec 100644
--- a/.github/actions/spelling/expect.txt
+++ b/.github/actions/spelling/expect.txt
@@ -286,3 +286,4 @@ dmsg
 untrash
 untrashify
 roundtrip 
+urandom