FEATURE: Optionally skip the create account popup for external auth

test/javascripts/acceptance/create-account-external-test.js

@@ -0,0 +1,43 @@
+import { acceptance } from "helpers/qunit-helpers";
+
+acceptance("Create Account - external auth", {
+  beforeEach() {
+    const node = document.createElement("meta");
+    node.dataset.authenticationData = JSON.stringify({
+      auth_provider: "test",
+      email: "blah@example.com",
+      can_edit_username: true,
+      can_edit_name: true
+    });
+    node.id = "data-authentication";
+    document.querySelector("head").appendChild(node);
+  },
+  afterEach() {
+    document
+      .querySelector("head")
+      .removeChild(document.getElementById("data-authentication"));
+  }
+});
+
+QUnit.test("when skip is disabled (default)", async assert => {
+  await visit("/");
+
+  assert.ok(
+    exists("#discourse-modal div.create-account"),
+    "it shows the registration modal"
+  );
+
+  assert.ok(exists("#new-account-username"), "it shows the fields");
+});
+
+QUnit.test("when skip is enabled", async assert => {
+  Discourse.SiteSettings.external_auth_skip_create_confirm = true;
+  await visit("/");
+
+  assert.ok(
+    exists("#discourse-modal div.create-account"),
+    "it shows the registration modal"
+  );
+
+  assert.not(exists("#new-account-username"), "it does not show the fields");
+});