osobhandClaude Opus 5.5
b8c85f7627
The page gets a URL box; ?file=<url> now opens with openUrl instead of
downloading the file, and the header shows the requests made and bytes
fetched so far ("5 requests, 5 MiB of 191 MiB fetched (2.6%)"). Every
file call is awaited, so local files (open) and remote ones share the
code; a selection that finishes after another was made is not shown.
browser.sh serves the page and fixtures with test/serve.py (no symlinks
into the repository any more) and also checks a server without range
support and, on the 200 MB file, that a small dataset and a window of
the big one render with a single-digit percentage fetched.
Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>
113 lines
4.7 KiB
Bash
113 lines
4.7 KiB
Bash
#!/usr/bin/env bash
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# Load the viewer page in headless Chromium and check what it renders.
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#
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# browser.sh FIXTURE_DIR
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#
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# FIXTURE_DIR holds fixture.h5 from make_fixture.py (and big.h5 when it was
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# run with WASM_BIG_MB); ../pkg must be built. test/serve.py serves the
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# page and, under /fix, the fixtures, with HTTP range requests (no copies,
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# no links). The page is opened with ?file=fix/<name>&path=<object>, which
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# opens the file with openUrl (range requests), builds the tree down to
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# <object> and shows it; the rendered DOM is dumped and checked for the
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# values libhdf5 reads and for the request counter.
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#
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# Browser: $CHROME, else chromium/google-chrome on PATH, else a Playwright
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# download under ~/.cache/ms-playwright. Exit 3 when none is found.
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# BROWSER_DEBUG=/some/prefix saves each rendered page as prefix.<path>.html.
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set -euo pipefail
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HERE="$(cd "$(dirname "$0")" && pwd)"
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FIX="$(cd "$1" && pwd)"
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PY="${CLAWHDF5_PYTHON:-python3}"
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chrome="${CHROME:-}"
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if [ -z "$chrome" ]; then
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for c in chromium chromium-browser google-chrome chrome-headless-shell; do
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if command -v "$c" >/dev/null; then chrome="$(command -v "$c")"; break; fi
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done
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fi
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if [ -z "$chrome" ]; then
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chrome="$(ls -d "$HOME"/.cache/ms-playwright/chromium_headless_shell-*/chrome-headless-shell-linux64/chrome-headless-shell 2>/dev/null | tail -1 || true)"
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fi
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if [ -z "$chrome" ] || [ ! -x "$chrome" ]; then
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echo "no Chromium found (set CHROME)" >&2
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exit 3
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fi
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profiles="$(mktemp -d)"
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server=""
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cleanup() {
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[ -n "$server" ] && kill "$server" 2>/dev/null || true
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rm -rf "$profiles"
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}
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trap cleanup EXIT
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"$PY" "$HERE/serve.py" --root "fix=$FIX" --root "=$HERE/.." > "$profiles/port" &
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server=$!
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for _ in $(seq 50); do
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[ -s "$profiles/port" ] && break
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sleep 0.1
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done
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port="$(head -1 "$profiles/port")"
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fails=0
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# A fresh profile per page: a second instance on the same profile fails.
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render() {
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local profile
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profile="$(mktemp -d "$profiles/profile.XXXXXX")"
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"$chrome" --headless --no-sandbox --disable-gpu --user-data-dir="$profile" \
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--virtual-time-budget=20000 \
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--dump-dom "http://127.0.0.1:$port/index.html?file=$1&path=$2" 2>/dev/null
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}
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# expect FILE PATH TEXT...: every TEXT appears in the page rendered for PATH
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# of FILE (a URL relative to the page); "re:TEXT" is an extended regex.
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expect() {
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local file="$1" path="$2" dom
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shift 2
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dom="$(render "$file" "$path")"
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[ -n "${BROWSER_DEBUG:-}" ] && printf "%s\n" "$dom" > "$BROWSER_DEBUG.$(echo "$file$path" | tr / _).html"
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for text in "$@"; do
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local flag=-qF
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if [ "${text#re:}" != "$text" ]; then flag=-qE; text="${text#re:}"; fi
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if ! grep $flag -- "$text" <<<"$dom"; then
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echo "FAIL: page for $file $path lacks: $text" >&2
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fails=$((fails + 1))
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fi
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done
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echo "rendered $file $path"
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}
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H5=fix/fixture.h5
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# Tree (root expanded; the group row carries its path) and root attributes.
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expect $H5 "/" 'data-path="/sensors"' 'data-path="/grid"' '<td>title</td><td>"wasm fixture"</td>' \
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'<td>big</td><td>9223372036854775813</td>' '(compound{x: f64, n: i32})'
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# A chunked, deflated 2-D dataset: type, shape, the first window of values;
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# the request counter.
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expect $H5 "/grid" '<dd>f64</dd>' '<dd>(6, 10)</dd>' '<th>9</th>' '<td>0.25</td>' '<td>14.75</td>' \
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'showing rows 0–5, columns 0–9 of 60 values' 'request' 'fetched (100.0%)'
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# Nested path revealed through the tree; big-endian float32.
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expect $H5 "/sensors/temp" 'data-path="/sensors/temp"' '<dd>f32</dd>' '<td>21.5</td>' '<td>22.25</td>'
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# 64-bit integers stay exact; strings; array datatype cells.
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expect $H5 "/u64" '<td>18446744073709551615</td>'
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expect $H5 "/vlen_str" '<td>"двa"</td>' '<dd>vlen string</dd>'
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expect $H5 "/pairs" '<td>[2, 3]</td>' '<dd>array[2]<i32></dd>'
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# 3-D: leading dimension held at 0, window over the last two.
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expect $H5 "/cube" '<dd>(2, 5, 6)</dd>' '<td>29</td>' 'dim 0'
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# Unsupported type: an error, not values.
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expect $H5 "/table" 'class="error"' 'reading compound{x: f64, n: i32} datasets is not supported'
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# A server without range support: the file is downloaded whole, and says so.
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expect norange/$H5 "/grid" '<td>14.75</td>' 'downloaded whole'
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# A large file: a small dataset, and a window of the large one, fetch a few
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# blocks (the counter shows a small percentage: "(1.5%)", not "(100.0%)").
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if [ -f "$FIX/big.h5" ]; then
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expect fix/big.h5 "/small" '<td>1.5</td>' '<td>3.25</td>' 're:MiB of 191 MiB fetched \([0-9]\.[0-9]%\)'
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expect fix/big.h5 "/big" '<dd>(25000000)</dd>' '<td>0</td>' '<td>24.5</td>' \
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're:MiB of 191 MiB fetched \([0-9]\.[0-9]%\)'
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fi
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if [ "$fails" -gt 0 ]; then
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echo "browser: $fails checks failed" >&2
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exit 1
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fi
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echo "browser: all checks passed ($chrome)"
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