grabbit
a2d49137f9
Integration tests (tests/): - 9 categories covering config, lifecycle, signals, supervision, cache, writeback, network faults, crash recovery, and CLI - Shell-based harness with mock NAS (network namespace + SFTP), fault injection (tc netem), and power loss simulation - TAP format runner (run-all.sh) with proper SKIP detection Rust unit tests (warpgate/src/): - 110 tests across 14 modules, all passing in 0.01s - Config parsing, defaults validation, RestartTracker logic, RC API response parsing, rclone arg generation, service config generation, CLI output formatting, warmup path logic Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
66 lines
2.0 KiB
Bash
Executable File
66 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Test: high latency slows first read; cached second read is much faster
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#
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# Injects 500 ms of latency via tc netem, reads a 100 KB file (cold cache),
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# then removes the latency and reads the same file again (warm cache).
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# The second read should be significantly faster because it hits the VFS
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# cache and skips the network round-trip.
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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source "$SCRIPT_DIR/../harness/helpers.sh"
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source "$SCRIPT_DIR/../harness/mock-nas.sh"
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require_root
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setup_test_env
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trap teardown_test_env EXIT
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# --- Arrange ---
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start_mock_nas
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nas_create_file "file.dat" 100 # 100 KB
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gen_config
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start_warpgate
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wait_for_mount
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wait_for_rc_api
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# --- Act ---
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# Inject 500 ms latency on the host-side veth
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inject_latency 500
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# Time the first read (cold cache, over high-latency link)
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time1_start=$(date +%s%N)
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cat "$TEST_MOUNT/file.dat" > /dev/null
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time1_end=$(date +%s%N)
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first_read_ns=$(( time1_end - time1_start ))
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# Remove latency injection
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clear_network_injection
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# Time the second read (should come from local VFS cache)
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time2_start=$(date +%s%N)
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cat "$TEST_MOUNT/file.dat" > /dev/null
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time2_end=$(date +%s%N)
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second_read_ns=$(( time2_end - time2_start ))
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# --- Assert ---
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first_read_ms=$(( first_read_ns / 1000000 ))
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second_read_ms=$(( second_read_ns / 1000000 ))
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echo " first read: ${first_read_ms} ms (cold cache, 500 ms netem delay)"
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echo " second read: ${second_read_ms} ms (warm cache, no injection)"
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# The cached read should be at least 5x faster than the latency-impacted read.
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# With 500 ms netem the first read is typically > 500 ms; a cached read is < 50 ms.
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if [[ "$first_read_ms" -gt 0 ]] && [[ $(( second_read_ms * 5 )) -lt "$first_read_ms" ]]; then
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echo " cache speedup confirmed (>5x)"
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else
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echo "FAIL: cached read was not significantly faster than the high-latency read" >&2
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echo " first_read_ms=$first_read_ms second_read_ms=$second_read_ms" >&2
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exit 1
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fi
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echo "PASS: $(basename "$0" .sh)"
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