v0.32.6

2026-10-14 10:50:21 +02:00
1 parent e3de084149
commit e1ac899ec0
@@ -0,0 +1,148 @@
+#!/usr/bin/env python3
+"""Regression for live Network diagnostic DOM stability beside Process.
+
+Runs the actual renderer and the shipped dashboard CSS with mocked sample data
+in Chromium touch emulation. This does NOT certify Safari/iOS 27 behavior.
+"""
+from pathlib import Path
+import shutil
+from bs4 import BeautifulSoup
+from playwright.sync_api import sync_playwright
+
+ROOT = Path(__file__).resolve().parents[2]
+WEB = ROOT / 'src/admin/web'
+soup = BeautifulSoup((WEB / 'index.html').read_text(), 'html.parser')
+process = soup.select_one('[data-dashboard-widget="process_diagnostics"]')
+network = soup.select_one('[data-dashboard-widget="network_diagnostics"]')
+assert process and network
+source = (WEB / 'app/runtime.js').read_text()
+start = source.index('function renderNetworkInterfaceCharts(interfaces, appendSample) {')
+start = source.rfind('let latestNetworkInterfaceSnapshot', 0, start)
+assert start >= 0
+renderer = source[start:source.index('function renderDiagnostics(', start)]
+helper = source[source.index('function setChartText('):start]
+html = ('<!doctype html><html data-theme="ultra_dark" data-dashboard-density="compact">'
+        '<head><meta name="viewport" content="width=device-width, initial-scale=1">'
+        '<style>' + (WEB / 'style.css').read_text() + '</style></head>'
+        '<body style="margin:0"><div style="height:1020px">Overview metrics</div>'
+        '<section id="panel-overview"><div class="stats-grid dashboard-overview-grid is-aligned" '
+        'id="dashboard-overview-grid">' + str(process) + str(network) +
+        '</div></section><div style="height:160px"></div></body></html>')
+stubs = '''
+const networkInterfaceSamples = new Map();
+const hiddenNetworkInterfaces = new Set();
+const $ = id => document.getElementById(id);
+const t = s => ({networkInterfacesVisibleCount:'{visible} / {total}',
+    networkInterfaceRate:'Rate', networkInterfacesHistory:'Traffic',
+    hideMetric:'Hide', showMetric:'Show',hiddenInterfaces:'Hidden',
+    networkNoInterfaces:'No interfaces',networkNoVisibleInterfaces:'None visible'})[s] || s;
+const fmtBytes = n => `${n} B`;
+const el = (tag, text, cls) => {const node=document.createElement(tag);
+    if(text !== undefined) node.textContent=text;if(cls) node.className=cls;return node;};
+const action = (label, fn) => {const node=el('button',label);node.addEventListener('click',fn);return node;};
+const svgNode = (tag, attrs={}) => {const node=document.createElementNS('http://www.w3.org/2000/svg',tag);
+    Object.entries(attrs).forEach(([key,value])=>node.setAttribute(key,value));return node;};
+const sparklinePoints = (values,width=300,height=60,padding=5,peakOverride=null) => {
+    const peak=Math.max(1,peakOverride??Math.max(0,...values));
+    return values.map((value,index)=>`${index*width/Math.max(1,values.length-1)},${height-padding-Math.max(0,value)/peak*(height-padding*2)}`).join(' ');
+};
+const saveHiddenNetworkInterfaces = () => {};
+'''
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(headless=True, executable_path=shutil.which('chromium'), args=['--no-sandbox'])
+    context = browser.new_context(viewport={'width':393,'height':844},
+                                  device_scale_factor=3, is_mobile=True, has_touch=True)
+    page = context.new_page()
+    page.set_content(html, wait_until='domcontentloaded')
+    page.add_script_tag(content=stubs + helper + renderer)
+    baseline = page.evaluate('''() => {
+        const items = [{name:'ens18',rx_bytes_per_second:100,tx_bytes_per_second:20},
+                       {name:'lo',rx_bytes_per_second:3,tx_bytes_per_second:3}];
+        renderNetworkInterfaceCharts(items,true);
+        const panel = document.querySelector('[data-dashboard-widget="process_diagnostics"]');
+        const network = document.querySelector('[data-dashboard-widget="network_diagnostics"]');
+        const target = document.getElementById('network-interface-charts');
+        window.testNodes = {first:target.firstElementChild, svg:target.querySelector('svg'),
+            path:target.querySelector('.network-rx-line')};
+        window.testInterfaces = items;
+        window.scrollTo(0,Math.round(network.getBoundingClientRect().top+window.scrollY+180));
+        return {processHeight:panel.getBoundingClientRect().height, y:scrollY,
+                network:network.getBoundingClientRect().top, count:target.children.length,
+                scrollHeight:document.documentElement.scrollHeight};
+    }''')
+    assert baseline['y'] > 0 and baseline['count'] == 2, baseline
+    count = page.evaluate('''() => {
+        const target = document.getElementById('network-interface-charts');
+        let mutations=0;
+        const obs = new MutationObserver(list=>mutations+=list.filter(item=>item.type==='childList').length);
+        obs.observe(target,{childList:true,subtree:true});
+        const beforeY=scrollY;
+        const beforeHeight=document.documentElement.scrollHeight;
+        const beforeProcess=document.querySelector('[data-dashboard-widget="process_diagnostics"]').getBoundingClientRect().height;
+        for(let i=0;i<45;i++){
+            renderNetworkInterfaceCharts([{name:'ens18',rx_bytes_per_second:i*109,tx_bytes_per_second:12},
+                {name:'lo',rx_bytes_per_second:i*2,tx_bytes_per_second:3}],true);
+            if(target.firstElementChild!==window.testNodes.first ||
+               target.querySelector('svg')!==window.testNodes.svg ||
+               target.querySelector('.network-rx-line')!==window.testNodes.path) throw Error('Network DOM replaced');
+        }
+        obs.takeRecords().forEach(r=> {if(r.type==='childList')mutations++});obs.disconnect();
+        return {mutations, y:scrollY, beforeY, count:target.children.length,
+            scrollHeight:document.documentElement.scrollHeight, beforeHeight,
+            processHeight:document.querySelector('[data-dashboard-widget="process_diagnostics"]').getBoundingClientRect().height, beforeProcess,
+            changed:target.querySelector('.network-interface-rate').textContent.includes('4796')};
+    }''')
+    assert count['mutations'] == 0, count
+    assert abs(count['y'] - count['beforeY']) < 2, count
+    assert count['count'] == 2 and count['changed'], count
+    assert abs(count['scrollHeight'] - count['beforeHeight']) < 2, count
+    assert abs(count['processHeight'] - count['beforeProcess']) < 2, count
+    print('PASS: 45 updates preserve SVG nodes, Process height, document height and scroll')
+
+    # Interface charts advance at every Overview live tick like the aggregate
+    # network chart, repeating the last observed rate until system-info updates.
+    # A system-info-only refresh or Hide/Show redraw never adds history points.
+    history = page.evaluate('''() => {
+        networkInterfaceSamples.clear();
+        const one=[{name:'ens18',rx_bytes_per_second:100,tx_bytes_per_second:200}];
+        renderNetworkInterfaceCharts(one,true);
+        const before=networkInterfaceSamples.get('ens18').rx.length;
+        for(let i=0;i<45;i++) renderNetworkInterfaceCharts(one,true);
+        const live=networkInterfaceSamples.get('ens18').rx.length;
+        const measured=[{name:'ens18',rx_bytes_per_second:500,tx_bytes_per_second:250}];
+        renderNetworkInterfaceCharts(measured,false); // only new system-info data
+        const afterSystem=networkInterfaceSamples.get('ens18').rx.length;
+        const label=document.querySelector('.network-interface-rate').textContent;
+        renderNetworkInterfaceCharts(measured,true); // next live tick
+        const afterLive=networkInterfaceSamples.get('ens18').rx.length;
+        const newest=networkInterfaceSamples.get('ens18').rx.at(-1);
+        return {before,live,afterSystem,afterLive,label,newest};
+    }''')
+    assert history['before'] == 1 and history['live'] == 46, history
+    assert history['afterSystem'] == 46 and history['afterLive'] == 47, history
+    assert history['newest'] == 500 and '500 B' in history['label'], history
+    assert 'renderNetworkInterfaceCharts(d.network_interfaces || [], appendSample);' in source
+    refresh = (WEB / 'app/refresh.js').read_text()
+    assert 'interval: () => options.system_info_seconds' in refresh
+    assert 'renderDiagnostics(latestStatus, false, true);' in refresh
+    print('PASS: frequent interface chart history, configured system-info cadence, no extra samples on system-only redraw')
+    page.evaluate('''() => renderNetworkInterfaceCharts([
+        {name:'ens18',rx_bytes_per_second:100,tx_bytes_per_second:200},
+        {name:'lo',rx_bytes_per_second:3,tx_bytes_per_second:3}],false)''')
+
+    # The Hide / Show controls retain the newest sample on click, not the array
+    # captured when a chart node was created.
+    page.locator('.network-interface-hide').first.click()
+    assert page.locator('.network-interface-row').count() == 1
+    assert page.locator('.network-interface-hidden button').count() == 1
+    page.locator('.network-interface-hidden button').click()
+    assert page.locator('.network-interface-row').count() == 2
+    assert page.locator('.network-interface-hidden').count() == 0
+    page.evaluate('''() => renderNetworkInterfaceCharts([{name:'eth0',rx_bytes_per_second:9,tx_bytes_per_second:11}],true)''')
+    assert page.locator('.network-interface-row').count() == 1
+    assert page.locator('.network-interface-row').first.get_attribute('data-interface-name') == 'eth0'
+    page.evaluate('''() => renderNetworkInterfaceCharts([],true)''')
+    assert page.locator('.network-interface-empty').count() == 1
+    print('PASS: Hide/Show actions, hotplug/removal and empty state still work')
+    browser.close()