feat(benchpress): add getStringParameter method to support text and radio inputs

modules/e2e_test_lib/src/benchmark_util.js

@@ -2,11 +2,27 @@ import {DOM, document, location} from 'facade/dom';
 import {NumberWrapper, BaseException, isBlank} from 'facade/lang';
 
 export function getIntParameter(name:string) {
-  var el = DOM.querySelector(document, `input[name="${name}"]`);
-  if (isBlank(el)) {
+  return NumberWrapper.parseInt(getStringParameter(name), 10);
+}
+
+export function getStringParameter(name:string) {
+  var els = DOM.querySelectorAll(document, `input[name="${name}"]`)
+  var value;
+  var el;
+
+  for (var i=0; i<els.length; i++) {
+    el = els[i];
+    if ((el.type !== 'radio' && el.type !== 'checkbox') || el.checked) {
+      value = el.value;
+      break;
+    }
+  }
+
+  if (isBlank(value)) {
     throw new BaseException(`Could not find and input field with name ${name}`);
   }
-  return NumberWrapper.parseInt(el.value, 10);
+
+  return value;
 }
 
 export function bindAction(selector:string, callback:Function) {

tools/build/snippets/url_params_to_form.js

@@ -7,8 +7,14 @@
     var name = match[1];
     var value = match[2];
     var els = document.querySelectorAll('input[name="'+name+'"]');
+    var el;
     for (var i=0; i<els.length; i++) {
-      els[i].value = value;
+      el = els[i];
+      if (el.type === 'radio' || el.type === 'checkbox') {
+        el.checked = el.value === value;
+      } else {
+        el.value = value;
+      }
     }
   }
 })();