1 files changed, 65 insertions, 0 deletions
diff --git a/remote/test/puppeteer/tools/sort-test-expectations.mjs b/remote/test/puppeteer/tools/sort-test-expectations.mjs
new file mode 100644
index 0000000000..d1c8588d8a
--- /dev/null
+++ b/remote/test/puppeteer/tools/sort-test-expectations.mjs
@@ -0,0 +1,65 @@
+/**
+ * @license
+ * Copyright 2023 Google Inc.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// TODO: this could be an eslint rule probably.
+import fs from 'fs';
+import path from 'path';
+import url from 'url';
+
+import prettier from 'prettier';
+
+const __dirname = url.fileURLToPath(new URL('.', import.meta.url));
+const source = 'test/TestExpectations.json';
+const testExpectations = JSON.parse(fs.readFileSync(source, 'utf-8'));
+const committedExpectations = structuredClone(testExpectations);
+
+const prettierConfig = await import(
+  path.join(__dirname, '..', '.prettierrc.cjs')
+);
+
+function getSpecificity(item) {
+  return (
+    item.parameters.length +
+    (item.testIdPattern.includes('*')
+      ? item.testIdPattern === '*'
+        ? 0
+        : 1
+      : 2)
+  );
+}
+
+testExpectations.sort((a, b) => {
+  const result = getSpecificity(a) - getSpecificity(b);
+  if (result === 0) {
+    return a.testIdPattern.localeCompare(b.testIdPattern);
+  }
+  return result;
+});
+
+testExpectations.forEach(item => {
+  item.parameters.sort();
+  item.expectations.sort();
+  item.platforms.sort();
+});
+
+if (process.argv.includes('--lint')) {
+  if (
+    JSON.stringify(committedExpectations) !== JSON.stringify(testExpectations)
+  ) {
+    console.error(
+      `${source} is not formatted properly. Run 'npm run format:expectations'.`
+    );
+    process.exit(1);
+  }
+} else {
+  fs.writeFileSync(
+    source,
+    await prettier.format(JSON.stringify(testExpectations), {
+      ...prettierConfig,
+      parser: 'json',
+    })
+  );
+}