v0.33.6

scripts/tests/dashboard_cpu_fixed_scale_0335_browser_test.py

@@ -0,0 +1,148 @@
+#!/usr/bin/env python3
+"""0.33.5 fixed 0-100% CPU plot and height regression with production HTML/CSS/JS.
+
+Uses Chromium with simulated authenticated DOM and status samples, not a live
+RustProxy server, SSE stream or real CPU telemetry.
+"""
+from pathlib import Path
+import re
+from playwright.sync_api import sync_playwright
+
+ROOT = Path(__file__).resolve().parents[2]
+HTML = (ROOT / 'src/admin/web/index.html').read_text(encoding='utf-8')
+CSS = (ROOT / 'src/admin/web/style.css').read_text(encoding='utf-8')
+SCALE_JS = (ROOT / 'src/admin/web/app/chart-scales.js').read_text(encoding='utf-8')
+WIDE_JS = (ROOT / 'src/admin/web/app/overview-wide-metrics.js').read_text(encoding='utf-8')
+
+
+def inspect(page):
+    return page.evaluate('''() => {
+        const get = id => document.querySelector(`#dashboard-overview-grid [data-dashboard-widget="${id}"]`);
+        const cpu = get('wide_cpu'), cpuSvg = cpu.querySelector('svg');
+        const protocolSvg = get('wide_protocol_rates').querySelector('svg');
+        const connection = get('connection_chart');
+        const backendSvg = get('backend_traffic').querySelector('svg');
+        const legend = cpu.querySelector('.overview-wide-legend').getBoundingClientRect();
+        const bounds = cpu.getBoundingClientRect();
+        const matrix = cpuSvg.getScreenCTM();
+        return {
+            cpuHeight: cpuSvg.getBoundingClientRect().height,
+            cpuCardHeight: bounds.height,
+            connectionCardHeight: connection.getBoundingClientRect().height,
+            protocolHeight: protocolSvg.getBoundingClientRect().height,
+            backendHeight: backendSvg.getBoundingClientRect().height,
+            svgWidth: cpuSvg.getBoundingClientRect().width,
+            drawnWidth: Math.hypot(matrix.a, matrix.b) * cpuSvg.viewBox.baseVal.width,
+            ratio: cpuSvg.getAttribute('preserveAspectRatio'),
+            cpuSeries: cpuSvg.querySelectorAll('.overview-wide-series').length,
+            lineEffect: getComputedStyle(cpuSvg.querySelector('.overview-wide-series')).vectorEffect,
+            gridEffect: getComputedStyle(cpuSvg.querySelector('.chart-grid')).vectorEffect,
+            gridPath: cpuSvg.querySelector('.chart-grid').getAttribute('d'),
+            legendInCard: legend.top >= bounds.top && legend.bottom <= bounds.bottom + 1,
+            overflow: document.documentElement.scrollWidth - innerWidth,
+        };
+    }''')
+
+
+def render_cpu(page, revision, system, process):
+    return page.evaluate('''({revision,system,process}) => {
+        window.rustProxyWideOverview.render({revision,live_system:{
+            cpu_percent:system, process_cpu_percent:process
+        }});
+        const read = name => {
+            const prefix = `overview-wide-wide_cpu-${name}`;
+            return {
+                path: document.getElementById(`${prefix}-line`).getAttribute('d'),
+                label: document.getElementById(`${prefix}-value`).textContent,
+            };
+        };
+        return {system:read('system'),process:read('process')};
+    }''', {'revision': revision, 'system': system, 'process': process})
+
+
+def ys(path):
+    return [int(v) for v in re.findall(r'[ML]\d+\s+(\d+)', path)]
+
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(headless=True, executable_path='/usr/bin/chromium', args=['--no-sandbox'])
+    for viewport in (320, 375, 768, 1440, 1920):
+        page = browser.new_page(viewport={'width': viewport, 'height': 950})
+        errors = []
+        page.on('pageerror', lambda error: errors.append(str(error)))
+        page.set_content(HTML.replace('/assets/app___RUSTPROXY_ASSET_ID__.js', '')
+                             .replace('/assets/style___RUSTPROXY_ASSET_ID__.css', ''))
+        page.add_style_tag(content=CSS)
+        page.evaluate('''() => {
+            document.documentElement.classList.remove('app-loading', 'app-startup-failed');
+            document.getElementById('workspace').hidden = false;
+            document.getElementById('panel-overview').hidden = false;
+            const grid = document.getElementById('dashboard-overview-grid');
+            grid.classList.add('is-aligned');
+            for (const card of grid.querySelectorAll(':scope > [data-dashboard-widget]')) {
+                card.hidden = !['wide_cpu', 'wide_protocol_rates', 'backend_traffic', 'connection_chart'].includes(card.dataset.dashboardWidget);
+            }
+            window.currentPanel = 'overview';
+            window.$ = id => document.getElementById(id);
+            window.fmt = (value, digits = 0) => Number(value).toFixed(digits);
+            window.fmtBytes = value => `${value} B`;
+            window.rustProxyOverviewSamples = {getLimit: () => 60, onChange: () => {}};
+        }''')
+        page.add_script_tag(content=SCALE_JS)
+        page.add_script_tag(content=WIDE_JS)
+
+        for density in ('compact', 'normal', 'ultra'):
+            page.evaluate('(density) => document.documentElement.dataset.dashboardDensity = density', density)
+            result = inspect(page)
+            assert result['protocolHeight'] >= 124, (viewport, density, result)
+            assert abs(result['cpuHeight'] - 125) <= 1, (
+                'CPU height must remain fixed at 125px', viewport, density, result)
+            assert result['backendHeight'] > 0, (viewport, density, result)
+            assert result['ratio'] == 'none' and result['cpuSeries'] == 2, result
+            assert result['lineEffect'] == result['gridEffect'] == 'non-scaling-stroke', result
+            assert result['gridPath'] == 'M0 47H600 M0 77H600 M0 107H600', result
+            assert result['svgWidth'] > 100 and abs(result['svgWidth'] - result['drawnWidth']) < 2, result
+            assert result['legendInCard'] and result['overflow'] <= 2, (viewport, density, result)
+
+        # Low measured CPU values stay near zero instead of filling the plot.
+        first = render_cpu(page, 1, 0.5, 0.2)
+        second = render_cpu(page, 1, 0.8, 0.6)
+        assert first['system']['label'] == '0.5%' and second['process']['label'] == '0.6%'
+        assert ys(second['system']['path']) == [136, 136], (viewport, second)
+        assert ys(second['process']['path']) == [137, 136], (viewport, second)
+
+        # The Y axis is always 0-100% regardless of recorded history.
+        third = render_cpu(page, 1, 3.4, 2.2)
+        assert ys(third['system']['path'])[-1] == 133, (viewport, third)
+        assert ys(third['process']['path'])[-1] == 134, (viewport, third)
+        high = render_cpu(page, 1, 250, 123)
+        assert high['system']['label'] == '250.0%' and high['process']['label'] == '123.0%'
+        assert ys(high['system']['path'])[-1] == 17, (viewport, high)
+        assert ys(high['process']['path'])[-1] == 17, (viewport, high)
+        mid = render_cpu(page, 1, 50, 25)
+        assert ys(mid['system']['path'])[-1] == 77, (viewport, mid)
+        assert ys(mid['process']['path'])[-1] == 107, (viewport, mid)
+
+        # Revision changes reset history; missing readings do not plot a zero.
+        idle = render_cpu(page, 2, 0, 0)
+        assert ys(idle['system']['path']) == [137] and ys(idle['process']['path']) == [137]
+        full = render_cpu(page, 2, 100, 100)
+        assert ys(full['system']['path'])[-1] == 17 and ys(full['process']['path'])[-1] == 17
+        missing = render_cpu(page, 3, None, None)
+        assert missing['system']['path'] == '' and missing['process']['label'] == '-'
+
+        # Samples may change paths, but not the plot/card or neighboring card sizes.
+        for density in ('compact', 'normal', 'ultra'):
+            page.evaluate('(density) => document.documentElement.dataset.dashboardDensity = density', density)
+            unchanged = inspect(page)
+            assert abs(unchanged['cpuHeight'] - 125) <= 1, (viewport, density, unchanged)
+            for value in (0.1, 99.9, 250, 0.0):
+                before = inspect(page)
+                render_cpu(page, 4, value, value)
+                after = inspect(page)
+                for key in ('cpuHeight', 'cpuCardHeight', 'connectionCardHeight'):
+                    assert abs(before[key] - after[key]) < 1, (viewport, density, value, key, before, after)
+        assert not errors, (viewport, errors)
+        print(f'PASS CPU fixed 0-100% Y-scale and 125px plot height at {viewport}px (all densities)')
+        page.close()
+    browser.close()