1 files changed, 172 insertions, 0 deletions
diff --git a/spec/javascripts/profile/account/components/update_username_spec.js b/spec/javascripts/profile/account/components/update_username_spec.js
new file mode 100644
index 00000000000..bac306edf5a
--- /dev/null
+++ b/spec/javascripts/profile/account/components/update_username_spec.js
@@ -0,0 +1,172 @@
+import Vue from 'vue';
+import axios from '~/lib/utils/axios_utils';
+import MockAdapter from 'axios-mock-adapter';
+
+import updateUsername from '~/profile/account/components/update_username.vue';
+import mountComponent from 'spec/helpers/vue_mount_component_helper';
+
+describe('UpdateUsername component', () => {
+  const rootUrl = gl.TEST_HOST;
+  const actionUrl = `${gl.TEST_HOST}/update/username`;
+  const username = 'hasnoname';
+  const newUsername = 'new_username';
+  let Component;
+  let vm;
+  let axiosMock;
+
+  beforeEach(() => {
+    axiosMock = new MockAdapter(axios);
+    Component = Vue.extend(updateUsername);
+    vm = mountComponent(Component, {
+      actionUrl,
+      rootUrl,
+      initialUsername: username,
+    });
+  });
+
+  afterEach(() => {
+    vm.$destroy();
+    axiosMock.restore();
+  });
+
+  const findElements = () => {
+    const modalSelector = `#${vm.$options.modalId}`;
+
+    return {
+      input: vm.$el.querySelector(`#${vm.$options.inputId}`),
+      openModalBtn: vm.$el.querySelector(`[data-target="${modalSelector}"]`),
+      modal: vm.$el.querySelector(modalSelector),
+      modalBody: vm.$el.querySelector(`${modalSelector} .modal-body`),
+      modalHeader: vm.$el.querySelector(`${modalSelector} .modal-title`),
+      confirmModalBtn: vm.$el.querySelector(`${modalSelector} .btn-warning`),
+    };
+  };
+
+  it('has a disabled button if the username was not changed', done => {
+    const { input, openModalBtn } = findElements();
+    input.dispatchEvent(new Event('input'));
+
+    Vue.nextTick()
+      .then(() => {
+        expect(vm.username).toBe(username);
+        expect(vm.newUsername).toBe(username);
+        expect(openModalBtn).toBeDisabled();
+      })
+      .then(done)
+      .catch(done.fail);
+  });
+
+  it('has an enabled button which if the username was changed', done => {
+    const { input, openModalBtn } = findElements();
+    input.value = newUsername;
+    input.dispatchEvent(new Event('input'));
+
+    Vue.nextTick()
+      .then(() => {
+        expect(vm.username).toBe(username);
+        expect(vm.newUsername).toBe(newUsername);
+        expect(openModalBtn).not.toBeDisabled();
+      })
+      .then(done)
+      .catch(done.fail);
+  });
+
+  it('confirmation modal contains proper header and body', done => {
+    const { modalBody, modalHeader } = findElements();
+
+    vm.newUsername = newUsername;
+
+    Vue.nextTick()
+      .then(() => {
+        expect(modalHeader.textContent).toContain('Change username?');
+        expect(modalBody.textContent).toContain(
+          `You are going to change the username ${username} to ${newUsername}`,
+        );
+      })
+      .then(done)
+      .catch(done.fail);
+  });
+
+  it('confirmation modal should escape usernames properly', done => {
+    const { modalBody } = findElements();
+
+    vm.username = vm.newUsername = '<i>Italic</i>';
+
+    Vue.nextTick()
+      .then(() => {
+        expect(modalBody.innerHTML).toContain('&lt;i&gt;Italic&lt;/i&gt;');
+        expect(modalBody.innerHTML).not.toContain(vm.username);
+      })
+      .then(done)
+      .catch(done.fail);
+  });
+
+  it('executes API call on confirmation button click', done => {
+    const { confirmModalBtn } = findElements();
+
+    axiosMock.onPut(actionUrl).replyOnce(() => [200, { message: 'Username changed' }]);
+    spyOn(axios, 'put').and.callThrough();
+
+    vm.newUsername = newUsername;
+
+    Vue.nextTick()
+      .then(() => {
+        confirmModalBtn.click();
+        expect(axios.put).toHaveBeenCalledWith(actionUrl, { user: { username: newUsername } });
+      })
+      .then(done)
+      .catch(done.fail);
+  });
+
+  it('sets the username after a successful update', done => {
+    const { input, openModalBtn } = findElements();
+
+    axiosMock.onPut(actionUrl).replyOnce(() => {
+      expect(input).toBeDisabled();
+      expect(openModalBtn).toBeDisabled();
+
+      return [200, { message: 'Username changed' }];
+    });
+
+    vm.newUsername = newUsername;
+
+    vm
+      .onConfirm()
+      .then(() => {
+        expect(vm.username).toBe(newUsername);
+        expect(vm.newUsername).toBe(newUsername);
+        expect(input).not.toBeDisabled();
+        expect(input.value).toBe(newUsername);
+        expect(openModalBtn).toBeDisabled();
+      })
+      .then(done)
+      .catch(done.fail);
+  });
+
+  it('does not set the username after a erroneous update', done => {
+    const { input, openModalBtn } = findElements();
+
+    axiosMock.onPut(actionUrl).replyOnce(() => {
+      expect(input).toBeDisabled();
+      expect(openModalBtn).toBeDisabled();
+
+      return [400, { message: 'Invalid username' }];
+    });
+
+    const invalidUsername = 'anything.git';
+    vm.newUsername = invalidUsername;
+
+    vm
+      .onConfirm()
+      .then(() => done.fail('Expected onConfirm to throw!'))
+      .catch(() => {
+        expect(vm.username).toBe(username);
+        expect(vm.newUsername).toBe(invalidUsername);
+        expect(input).not.toBeDisabled();
+        expect(input.value).toBe(invalidUsername);
+        expect(openModalBtn).not.toBeDisabled();
+      })
+      .then(done)
+      .catch(done.fail);
+  });
+});