bc1113208d
* fix: S3 listing NextMarker missing intermediate directory component
When listing with nested prefixes like "character/member/", the NextMarker
was incorrectly constructed as "character/res024/" instead of
"character/member/res024/", causing continuation requests to fail.
Root cause: The code at line 331 was constructing NextMarker as:
nextMarker = requestDir + "/" + nextMarker
This worked when nextMarker already contained the full relative path,
but failed when it was just the entry name from the innermost recursion.
Fix: Include the prefix component when constructing NextMarker:
if prefix != "" {
nextMarker = requestDir + "/" + prefix + "/" + nextMarker
}
This ensures the full path is always constructed correctly for both:
- CommonPrefix entries (directories)
- Regular entries (files)
Also includes fix for cursor.prefixEndsOnDelimiter state leak that was
causing sibling directories to be incorrectly listed.
* test: add regression tests for NextMarker construction
Add comprehensive unit tests to verify NextMarker is correctly constructed
with nested prefixes. Tests cover:
- Regular entries with nested prefix (character/member/res024)
- CommonPrefix entries (directories)
- Edge cases (no requestDir, no prefix, deeply nested)
These tests ensure the fix prevents regression of the bug where
NextMarker was missing intermediate directory components.
121 lines
3.4 KiB
Go
121 lines
3.4 KiB
Go
package s3api
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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// TestNextMarkerWithNestedPrefix verifies that NextMarker is correctly constructed
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// when listing with nested prefixes like "character/member/".
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//
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// This is a regression test for the bug where NextMarker was "character/res024/"
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// instead of "character/member/res024/", causing continuation requests to fail.
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func TestNextMarkerWithNestedPrefix(t *testing.T) {
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tests := []struct {
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name string
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requestDir string
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prefix string
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nextMarkerFromDoList string
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expectedFinal string
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}{
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{
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name: "nested prefix with both requestDir and prefix",
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requestDir: "character",
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prefix: "member",
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nextMarkerFromDoList: "res024",
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expectedFinal: "character/member/res024",
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},
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{
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name: "only requestDir, no prefix",
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requestDir: "character",
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prefix: "",
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nextMarkerFromDoList: "res024",
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expectedFinal: "character/res024",
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},
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{
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name: "no requestDir, only prefix",
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requestDir: "",
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prefix: "member",
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nextMarkerFromDoList: "res024",
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expectedFinal: "res024",
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},
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{
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name: "deeply nested prefix",
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requestDir: "a/b/c",
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prefix: "d",
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nextMarkerFromDoList: "file.txt",
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expectedFinal: "a/b/c/d/file.txt",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Simulate the fixed logic from listFilerEntries (lines 333-341)
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nextMarker := tt.nextMarkerFromDoList
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if tt.requestDir != "" {
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if tt.prefix != "" {
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nextMarker = tt.requestDir + "/" + tt.prefix + "/" + nextMarker
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} else {
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nextMarker = tt.requestDir + "/" + nextMarker
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}
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}
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assert.Equal(t, tt.expectedFinal, nextMarker,
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"NextMarker should be correctly constructed")
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})
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}
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}
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// TestNextMarkerWithCommonPrefix verifies NextMarker construction for CommonPrefix entries
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func TestNextMarkerWithCommonPrefix(t *testing.T) {
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tests := []struct {
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name string
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requestDir string
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prefix string
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lastCommonPrefixName string
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expectedFinal string
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}{
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{
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name: "nested prefix with CommonPrefix",
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requestDir: "character",
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prefix: "member",
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lastCommonPrefixName: "res024",
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expectedFinal: "character/member/res024/",
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},
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{
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name: "only requestDir with CommonPrefix",
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requestDir: "character",
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prefix: "",
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lastCommonPrefixName: "member",
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expectedFinal: "character/member/",
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},
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{
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name: "no requestDir with CommonPrefix",
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requestDir: "",
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prefix: "member",
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lastCommonPrefixName: "res024",
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expectedFinal: "res024/",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Simulate the fixed logic from listFilerEntries (lines 322-332)
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var nextMarker string
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if tt.requestDir != "" {
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if tt.prefix != "" {
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nextMarker = tt.requestDir + "/" + tt.prefix + "/" + tt.lastCommonPrefixName + "/"
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} else {
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nextMarker = tt.requestDir + "/" + tt.lastCommonPrefixName + "/"
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}
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} else {
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nextMarker = tt.lastCommonPrefixName + "/"
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}
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assert.Equal(t, tt.expectedFinal, nextMarker,
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"NextMarker for CommonPrefix should be correctly constructed")
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})
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}
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}
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