fix: call on-update hook correctly (#641)

This fixes a regression introduced with the update to glimmer.

addon/components/validated-input.js

@@ -88,8 +88,8 @@ export class ValidatedInput extends Component {
 
   @action
   update(value) {
-    if (this["on-update"]) {
-      this["on-update"](value, this.args.model);
+    if (this.args["on-update"]) {
+      this.args["on-update"](value, this.args.model);
     } else {
       this.args.model.set
         ? this.args.model.set(this.args.name, value)

testem.js

@@ -4,7 +4,7 @@ module.exports = {
   test_page: "tests/index.html?hidepassed",
   disable_watching: true,
   launch_in_ci: ["Chrome"],
-  launch_in_dev: ["Chrome"],
+  launch_in_dev: [],
   browser_start_timeout: 120,
   browser_args: {
     Chrome: {

tests/integration/components/validated-input-test.js

@@ -1,4 +1,4 @@
-import { render, click, settled } from "@ember/test-helpers";
+import { render, click, fillIn, settled } from "@ember/test-helpers";
 import Changeset from "ember-changeset";
 import { hbs } from "ember-cli-htmlbars";
 import { setupRenderingTest } from "ember-qunit";
@@ -52,6 +52,20 @@ module("Integration | Component | validated input", function (hooks) {
     assert.dom("input").hasValue("Max");
   });
 
+  test("it calls on-update if given", async function (assert) {
+    this.set("model", new Changeset({ firstName: "Max" }));
+    this.set("update", (value, changeset) => {
+      changeset.set("firstName", value.toUpperCase());
+    });
+    await render(
+      hbs`{{validated-input name="firstName" model=model on-update=update}}`
+    );
+
+    await fillIn("input", "foo");
+
+    assert.dom("input").hasValue("FOO");
+  });
+
   test("it renders inputs with value even if model is defined", async function (assert) {
     this.set("model", new Changeset({ firstName: "Max" }));