cmd/pkgserver/ui_test: add DOM reporter

2026-03-29 01:48:59 +11:00
parent 8d759f654d
commit f2fded0620
6 changed files with 208 additions and 1 deletions
--- a/cmd/pkgserver/ui_test/lib/test.ts
+++ b/cmd/pkgserver/ui_test/lib/test.ts
@@ -90,7 +90,63 @@ export class StreamReporter implements Reporter {
    }
 }

-const r = new StreamReporter({ writeln: console.log }, true);
+function assertGetElementById(id: string): HTMLElement {
+    let elem = document.getElementById(id);
+    if (elem == null) throw new ReferenceError(`element with ID '${id}' missing from DOM`);
+    return elem;
+}
+
+export class DOMReporter implements Reporter {
+    update(path: string[], result: TestResult) {
+        if (path.length === 0) throw new RangeError("path is empty");
+        const counter = assertGetElementById(result.success ? "successes" : "failures");
+        counter.innerText = (Number(counter.innerText) + 1).toString();
+        let parent = assertGetElementById("root");
+        for (const node of path) {
+            let child: HTMLDetailsElement | null = null;
+            let d: Element;
+            outer: for (d of parent.children) {
+                if (!(d instanceof HTMLDetailsElement)) continue;
+                for (const s of d.children) {
+                    if (!(s instanceof HTMLElement)) continue;
+                    if (!(s.tagName === "SUMMARY" && s.innerText === node)) continue;
+                    child = d;
+                    break outer;
+                }
+            }
+            if (!child) {
+                child = document.createElement("details");
+                child.className = "test-node";
+                child.ariaRoleDescription = "test";
+                const summary = document.createElement("summary");
+                summary.appendChild(document.createTextNode(node));
+                summary.ariaRoleDescription = "test name";
+                child.appendChild(summary);
+                parent.appendChild(child);
+            }
+            if (!result.success) {
+                child.open = true;
+                child.classList.add("failure");
+            }
+            parent = child;
+        }
+        const p = document.createElement("p");
+        p.classList.add("test-desc");
+        if (result.logs.length) {
+            const pre = document.createElement("pre");
+            pre.appendChild(document.createTextNode(result.logs.join("\n")));
+            p.appendChild(pre);
+        } else {
+            p.classList.add("italic");
+            p.appendChild(document.createTextNode("No output."));
+        }
+        parent.appendChild(p);
+    }
+
+    finalize() {}
+}
+
+let r = globalThis.document ? new DOMReporter() : new StreamReporter({ writeln: console.log });
 r.update(["alien", "can walk"], { success: false, logs: ["assertion failed"] });
 r.update(["alien", "can speak"], { success: false, logs: ["Uncaught ReferenceError: larynx is not defined"] });
 r.update(["alien", "sleep"], { success: true, logs: [] });
--- a/cmd/pkgserver/ui_test/lib/ui.html
+++ b/cmd/pkgserver/ui_test/lib/ui.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="stylesheet" href="/testui/style.css">
+    <title>PkgServer Tests</title>
+</head>
+<body>
+<noscript>
+    I hate JavaScript as much as you, but this page runs tests written in
+    JavaScript to test the functionality of code written in JavaScript, so it
+    wouldn't make sense for it to work without JavaScript. <strong>Please turn
+    JavaScript on!</strong>
+</noscript>
+
+<h1>PkgServer Tests</h1>
+
+<main>
+<p id="counters">
+    <span id="successes">0</span> succeeded, <span id="failures">0</span> failed.
+</p>
+
+<div id="root">
+</div>
+
+<script type="module" src="/test/lib/test.js"></script>
+</main>
+</body>
+</html>
--- a/cmd/pkgserver/ui_test/lib/ui.scss
+++ b/cmd/pkgserver/ui_test/lib/ui.scss
@@ -0,0 +1,52 @@
+:root {
+    --bg: #d3d3d3;
+    --fg: black;
+}
+
+@media (prefers-color-scheme: dark) {
+    :root {
+        --bg: #2c2c2c;
+        --fg: ghostwhite;
+    }
+}
+
+html {
+    background-color: var(--bg);
+    color: var(--fg);
+}
+
+h1, p, summary, noscript {
+    font-family: sans-serif;
+}
+
+noscript {
+    font-size: 16pt;
+}
+
+.root {
+    margin: 1rem 0;
+}
+
+details.test-node {
+    margin-left: 1rem;
+    padding: 0.2rem 0.5rem;
+    border-left: 2px dashed var(--fg);
+    > summary {
+        cursor: pointer;
+    }
+    &.failure > summary::marker {
+        color: red;
+    }
+}
+
+p.test-desc {
+    margin: 0 0 0 1rem;
+    padding: 2px 0;
+    > pre {
+        margin: 0;
+    }
+}
+
+.italic {
+    font-style: italic;
+}