57 lines
1.6 KiB
Markdown
57 lines
1.6 KiB
Markdown
# Test Case: Deep Directory Tree
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**Test ID**: TC122-deep-directory-tree
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**Category**: Boundary & Stress
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**Priority**: Medium
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**Regression**: None
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## Objective
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Verify exact traversal, lookup, `getcwd`, and payload integrity through 128
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directory levels.
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## Preconditions
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- Complete `G7-MANUAL-SETUP.md`.
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- `DEEP-PATH` came from the verified fixture, not a hand-written `a/b/...`
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placeholder.
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## Manual Steps
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```sh
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G7=/root/repo22-g7
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FIX=$G7/fixtures
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SRCROOT=$FIX/sources/boundaries
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IMAGE=$FIX/images/boundaries.erofs
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MNT=/mnt/repo22-g7-tc122
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E=$G7/evidence/TC122
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mkdir -p "$MNT" "$E"
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deep_path=$(cat "$FIX/DEEP-PATH")
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levels=$(printf '%s\n' "$deep_path" | awk -F/ '{ print NF - 2 }')
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printf 'levels=%s\npath=%s\n' "$levels" "$deep_path" \
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| tee "$E/path.txt"
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test "$levels" -eq 128
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unit=$(mdconfig -a -t vnode -f "$IMAGE")
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mount -t erofs -o ro "/dev/$unit" "$MNT"
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cmp "$SRCROOT/$deep_path" "$MNT/$deep_path"
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source_hash=$(sha256 -q "$SRCROOT/$deep_path")
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target_hash=$(sha256 -q "$MNT/$deep_path")
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printf 'source=%s\ntarget=%s\n' "$source_hash" "$target_hash" \
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| tee "$E/hashes.txt"
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test "$source_hash" = "$target_hash"
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deep_dir=$(dirname "$deep_path")
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(cd "$MNT/$deep_dir" && pwd -P) | tee "$E/getcwd.txt"
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test "$(cat "$E/getcwd.txt")" = "$MNT/$deep_dir"
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umount "$MNT"
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mdconfig -d -u "${unit#md}"
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test -z "$(mount -p | awk -v m="$MNT" '$2 == m { print }')"
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test -z "$(mdconfig -l | tr ' ' '\n' | grep -x "$unit")"
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```
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## PASS Gate
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- The metadata count is exactly 128 directory levels.
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- Deepest source/mount `cmp` and SHA256 values match.
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- `pwd -P` returns the exact mounted deepest directory.
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- No stack warning, panic, hang, or leaked mount/provider occurs.
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