s3api: handle canceled stream requests cleanly

weed/s3api/s3api_stream_error_test.go

@@ -0,0 +1,48 @@
+package s3api
+
+import (
+	"context"
+	"testing"
+)
+
+func TestShouldWriteStreamingErrorResponse(t *testing.T) {
+	tests := []struct {
+		name     string
+		err      error
+		expected bool
+	}{
+		{
+			name:     "nil error",
+			err:      nil,
+			expected: false,
+		},
+		{
+			name:     "context canceled",
+			err:      context.Canceled,
+			expected: false,
+		},
+		{
+			name:     "wrapped context canceled",
+			err:      &StreamError{Err: context.Canceled},
+			expected: false,
+		},
+		{
+			name:     "deadline exceeded",
+			err:      context.DeadlineExceeded,
+			expected: true,
+		},
+		{
+			name:     "wrapped deadline exceeded",
+			err:      &StreamError{Err: context.DeadlineExceeded},
+			expected: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := shouldWriteStreamingErrorResponse(tt.err); got != tt.expected {
+				t.Fatalf("shouldWriteStreamingErrorResponse(%v) = %v, want %v", tt.err, got, tt.expected)
+			}
+		})
+	}
+}