4 files changed, 98 insertions, 0 deletions
diff --git a/tests/runner/lib/buildTestUrl.js b/tests/runner/lib/buildTestUrl.js
new file mode 100644
index 000000000..826548852
--- /dev/null
+++ b/tests/runner/lib/buildTestUrl.js
@@ -0,0 +1,21 @@
+export function buildTestUrl( suite, { jquery, migrate, port, reportId } ) {
+	if ( !port ) {
+		throw new Error( "No port specified." );
+	}
+
+	const query = new URLSearchParams();
+
+	if ( jquery ) {
+		query.append( "jquery", jquery );
+	}
+
+	if ( migrate ) {
+		query.append( "migrate", "true" );
+	}
+
+	if ( reportId ) {
+		query.append( "reportId", reportId );
+	}
+
+	return `http://localhost:${ port }/tests/unit/${ suite }/${ suite }.html?${ query }`;
+}
diff --git a/tests/runner/lib/generateHash.js b/tests/runner/lib/generateHash.js
new file mode 100644
index 000000000..66f2161d5
--- /dev/null
+++ b/tests/runner/lib/generateHash.js
@@ -0,0 +1,10 @@
+import crypto from "node:crypto";
+
+export function generateHash( string ) {
+	const hash = crypto.createHash( "md5" );
+	hash.update( string );
+
+	// QUnit hashes are 8 characters long
+	// We use 10 characters to be more visually distinct
+	return hash.digest( "hex" ).slice( 0, 10 );
+}
diff --git a/tests/runner/lib/getBrowserString.js b/tests/runner/lib/getBrowserString.js
new file mode 100644
index 000000000..413a60500
--- /dev/null
+++ b/tests/runner/lib/getBrowserString.js
@@ -0,0 +1,49 @@
+const browserMap = {
+	chrome: "Chrome",
+	edge: "Edge",
+	firefox: "Firefox",
+	ie: "IE",
+	jsdom: "JSDOM",
+	opera: "Opera",
+	safari: "Safari"
+};
+
+export function browserSupportsHeadless( browser ) {
+	browser = browser.toLowerCase();
+	return (
+		browser === "chrome" ||
+		browser === "firefox" ||
+		browser === "edge"
+	);
+}
+
+export function getBrowserString(
+	{
+		browser,
+		browser_version: browserVersion,
+		device,
+		os,
+		os_version: osVersion
+	},
+	headless
+) {
+	browser = browser.toLowerCase();
+	browser = browserMap[ browser ] || browser;
+	let str = browser;
+	if ( browserVersion ) {
+		str += ` ${ browserVersion }`;
+	}
+	if ( device ) {
+		str += ` for ${ device }`;
+	}
+	if ( os ) {
+		str += ` on ${ os }`;
+	}
+	if ( osVersion ) {
+		str += ` ${ osVersion }`;
+	}
+	if ( headless && browserSupportsHeadless( browser ) ) {
+		str += " (headless)";
+	}
+	return str;
+}
diff --git a/tests/runner/lib/prettyMs.js b/tests/runner/lib/prettyMs.js
new file mode 100644
index 000000000..99bae2b35
--- /dev/null
+++ b/tests/runner/lib/prettyMs.js
@@ -0,0 +1,18 @@
+/**
+ * Pretty print a time in milliseconds.
+ */
+export function prettyMs( time ) {
+	const minutes = Math.floor( time / 60000 );
+	const seconds = Math.floor( time / 1000 );
+	const ms = Math.floor( time % 1000 );
+
+	let prettyTime = `${ ms }ms`;
+	if ( seconds > 0 ) {
+		prettyTime = `${ seconds }s ${ prettyTime }`;
+	}
+	if ( minutes > 0 ) {
+		prettyTime = `${ minutes }m ${ prettyTime }`;
+	}
+
+	return prettyTime;
+}