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package s3api
import (
"testing"
"github.com/stretchr/testify/assert"
)
// TestNextMarkerWithNestedPrefix verifies that NextMarker is correctly constructed
// when listing with nested prefixes like "character/member/".
//
// This is a regression test for the bug where NextMarker was "character/res024/"
// instead of "character/member/res024/", causing continuation requests to fail.
func TestNextMarkerWithNestedPrefix(t *testing.T) {
tests := []struct {
name string
requestDir string
prefix string
nextMarkerFromDoList string
expectedFinal string
}{
{
name: "nested prefix with both requestDir and prefix",
requestDir: "character",
prefix: "member",
nextMarkerFromDoList: "res024",
expectedFinal: "character/member/res024",
},
{
name: "only requestDir, no prefix",
requestDir: "character",
prefix: "",
nextMarkerFromDoList: "res024",
expectedFinal: "character/res024",
},
{
name: "no requestDir, only prefix",
requestDir: "",
prefix: "member",
nextMarkerFromDoList: "res024",
expectedFinal: "res024",
},
{
name: "deeply nested prefix",
requestDir: "a/b/c",
prefix: "d",
nextMarkerFromDoList: "file.txt",
expectedFinal: "a/b/c/d/file.txt",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Simulate the fixed logic from listFilerEntries (lines 333-341)
nextMarker := tt.nextMarkerFromDoList
if tt.requestDir != "" {
if tt.prefix != "" {
nextMarker = tt.requestDir + "/" + tt.prefix + "/" + nextMarker
} else {
nextMarker = tt.requestDir + "/" + nextMarker
}
}
assert.Equal(t, tt.expectedFinal, nextMarker,
"NextMarker should be correctly constructed")
})
}
}
// TestNextMarkerWithCommonPrefix verifies NextMarker construction for CommonPrefix entries
func TestNextMarkerWithCommonPrefix(t *testing.T) {
tests := []struct {
name string
requestDir string
prefix string
lastCommonPrefixName string
expectedFinal string
}{
{
name: "nested prefix with CommonPrefix",
requestDir: "character",
prefix: "member",
lastCommonPrefixName: "res024",
expectedFinal: "character/member/res024/",
},
{
name: "only requestDir with CommonPrefix",
requestDir: "character",
prefix: "",
lastCommonPrefixName: "member",
expectedFinal: "character/member/",
},
{
name: "no requestDir with CommonPrefix",
requestDir: "",
prefix: "member",
lastCommonPrefixName: "res024",
expectedFinal: "res024/",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Simulate the fixed logic from listFilerEntries (lines 322-332)
var nextMarker string
if tt.requestDir != "" {
if tt.prefix != "" {
nextMarker = tt.requestDir + "/" + tt.prefix + "/" + tt.lastCommonPrefixName + "/"
} else {
nextMarker = tt.requestDir + "/" + tt.lastCommonPrefixName + "/"
}
} else {
nextMarker = tt.lastCommonPrefixName + "/"
}
assert.Equal(t, tt.expectedFinal, nextMarker,
"NextMarker for CommonPrefix should be correctly constructed")
})
}
}