Add payment method component for paid signup flow

This is part of the paid signup flow

ee/app/assets/javascripts/subscriptions/new/components/checkout.vue

@@ -3,9 +3,10 @@ import { s__ } from '~/locale';
 import ProgressBar from './checkout/progress_bar.vue';
 import SubscriptionDetails from './checkout/subscription_details.vue';
 import BillingAddress from './checkout/billing_address.vue';
+import PaymentMethod from './checkout/payment_method.vue';
 
 export default {
-  components: { ProgressBar, SubscriptionDetails, BillingAddress },
+  components: { ProgressBar, SubscriptionDetails, BillingAddress, PaymentMethod },
   i18n: {
     checkout: s__('Checkout|Checkout'),
   },
@@ -19,6 +20,7 @@ export default {
       <h2 class="mt-4 mb-3 mb-lg-5">{{ $options.i18n.checkout }}</h2>
       <subscription-details />
       <billing-address />
+      <payment-method />
     </div>
   </div>
 </template>

ee/app/assets/javascripts/subscriptions/new/components/checkout/components/zuora.vue

+<script>
+import { GlLoadingIcon } from '@gitlab/ui';
+import { mapState, mapActions } from 'vuex';
+import { ZUORA_SCRIPT_URL } from 'ee/subscriptions/new/constants';
+
+export default {
+  components: {
+    GlLoadingIcon,
+  },
+  props: {
+    active: {
+      type: Boolean,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      loading: true,
+      overrideParams: {
+        style: 'inline',
+        submitEnabled: 'true',
+        retainValues: 'true',
+      },
+    };
+  },
+  computed: {
+    ...mapState(['paymentFormParams', 'paymentMethodId', 'creditCardDetails']),
+  },
+  watch: {
+    // The Zuora script has loaded and the parameters for rendering the iframe have been fetched.
+    paymentFormParams() {
+      this.renderZuoraIframe();
+    },
+    // The Zuora form has been submitted successfully and credit card details are being fetched.
+    paymentMethodId() {
+      this.toggleLoading();
+    },
+    // The credit card details have been fetched.
+    creditCardDetails() {
+      this.toggleLoading();
+    },
+  },
+  mounted() {
+    this.loadZuoraScript();
+  },
+  methods: {
+    ...mapActions(['fetchPaymentFormParams', 'paymentFormSubmitted']),
+    loadZuoraScript() {
+      if (typeof window.Z === 'undefined') {
+        const zuoraScript = document.createElement('script');
+        zuoraScript.type = 'text/javascript';
+        zuoraScript.async = true;
+        zuoraScript.onload = this.fetchPaymentFormParams;
+        zuoraScript.src = ZUORA_SCRIPT_URL;
+        document.head.appendChild(zuoraScript);
+      } else {
+        this.fetchPaymentFormParams();
+      }
+    },
+    renderZuoraIframe() {
+      const params = { ...this.paymentFormParams, ...this.overrideParams };
+      window.Z.runAfterRender(this.toggleLoading);
+      window.Z.render(params, {}, this.paymentFormSubmitted);
+    },
+    toggleLoading() {
+      this.loading = !this.loading;
+    },
+  },
+};
+</script>
+<template>
+  <div>
+    <gl-loading-icon v-if="loading" size="lg" />
+    <div v-show="active && !loading" id="zuora_payment"></div>
+  </div>
+</template>

ee/app/assets/javascripts/subscriptions/new/components/checkout/payment_method.vue

+<script>
+import _ from 'underscore';
+import { GlSprintf } from '@gitlab/ui';
+import { s__ } from '~/locale';
+import { mapState } from 'vuex';
+import Step from './components/step.vue';
+import Zuora from './components/zuora.vue';
+
+export default {
+  components: {
+    GlSprintf,
+    Step,
+    Zuora,
+  },
+  computed: {
+    ...mapState(['paymentMethodId', 'creditCardDetails']),
+    isValid() {
+      return !_.isEmpty(this.paymentMethodId);
+    },
+  },
+  i18n: {
+    stepTitle: s__('Checkout|Payment method'),
+    creditCardDetails: s__('Checkout|%{cardType} ending in %{lastFourDigits}'),
+    expirationDate: s__('Checkout|Exp %{expirationMonth}/%{expirationYear}'),
+  },
+};
+</script>
+<template>
+  <step step="paymentMethod" :title="$options.i18n.stepTitle" :is-valid="isValid">
+    <template #body="props">
+      <zuora :active="props.active" />
+    </template>
+    <template #summary>
+      <div class="js-summary-line-1">
+        <gl-sprintf :message="$options.i18n.creditCardDetails">
+          <template #cardType>
+            {{ creditCardDetails.cardType }}
+          </template>
+          <template #lastFourDigits>
+            <strong>{{ creditCardDetails.lastFourDigits }}</strong>
+          </template>
+        </gl-sprintf>
+      </div>
+      <div class="js-summary-line-2">
+        {{
+          sprintf($options.i18n.expirationDate, {
+            expirationMonth: creditCardDetails.expirationMonth,
+            expirationYear: creditCardDetails.expirationYear,
+          })
+        }}
+      </div>
+    </template>
+  </step>
+</template>

ee/app/assets/javascripts/subscriptions/new/constants.js

-export const STEPS = ['subscriptionDetails', 'billingAddress'];
+export const STEPS = ['subscriptionDetails', 'billingAddress', 'paymentMethod'];
 
 export const COUNTRIES_URL = '/-/countries';
 
 export const STATES_URL = '/-/country_states';
 
+export const ZUORA_SCRIPT_URL = 'https://static.zuora.com/Resources/libs/hosted/1.3.1/zuora-min.js';
+
+export const PAYMENT_FORM_URL = '/-/subscriptions/payment_form';
+
+export const PAYMENT_FORM_ID = 'paid_signup_flow';
+
+export const PAYMENT_METHOD_URL = '/-/subscriptions/payment_method';
+
 export const TAX_RATE = 0;

ee/app/assets/javascripts/subscriptions/new/store/actions.js

 import * as types from './mutation_types';
 import axios from '~/lib/utils/axios_utils';
-import { s__ } from '~/locale';
+import { sprintf, s__ } from '~/locale';
 import createFlash from '~/flash';
-import { STEPS, COUNTRIES_URL, STATES_URL } from '../constants';
+import {
+  STEPS,
+  COUNTRIES_URL,
+  STATES_URL,
+  PAYMENT_FORM_URL,
+  PAYMENT_FORM_ID,
+  PAYMENT_METHOD_URL,
+} from '../constants';
 
 export const activateStep = ({ commit }, currentStep) => {
   if (STEPS.includes(currentStep)) {
@@ -104,3 +111,75 @@ export const updateCountryState = ({ commit }, countryState) => {
 export const updateZipCode = ({ commit }, zipCode) => {
   commit(types.UPDATE_ZIP_CODE, zipCode);
 };
+
+export const fetchPaymentFormParams = ({ dispatch }) => {
+  axios
+    .get(PAYMENT_FORM_URL, { params: { id: PAYMENT_FORM_ID } })
+    .then(({ data }) => dispatch('fetchPaymentFormParamsSuccess', data))
+    .catch(() => dispatch('fetchPaymentFormParamsError'));
+};
+
+export const fetchPaymentFormParamsSuccess = ({ commit }, data) => {
+  if (data.errors) {
+    createFlash(
+      sprintf(s__('Checkout|Credit card form failed to load: %{message}'), {
+        message: data.errors,
+      }),
+    );
+  } else {
+    commit(types.UPDATE_PAYMENT_FORM_PARAMS, data);
+  }
+};
+
+export const fetchPaymentFormParamsError = () => {
+  createFlash(s__('Checkout|Credit card form failed to load. Please try again.'));
+};
+
+export const paymentFormSubmitted = ({ dispatch }, response) => {
+  if (response.success) {
+    dispatch('paymentFormSubmittedSuccess', response.refId);
+  } else {
+    dispatch('paymentFormSubmittedError', response);
+  }
+};
+
+export const paymentFormSubmittedSuccess = ({ commit, dispatch }, paymentMethodId) => {
+  commit(types.UPDATE_PAYMENT_METHOD_ID, paymentMethodId);
+
+  dispatch('fetchPaymentMethodDetails');
+};
+
+export const paymentFormSubmittedError = (_, response) => {
+  createFlash(
+    sprintf(
+      s__(
+        'Checkout|Submitting the credit card form failed with code %{errorCode}: %{errorMessage}',
+      ),
+      response,
+    ),
+  );
+};
+
+export const fetchPaymentMethodDetails = ({ state, dispatch }) => {
+  axios
+    .get(PAYMENT_METHOD_URL, { params: { id: state.paymentMethodId } })
+    .then(({ data }) => dispatch('fetchPaymentMethodDetailsSuccess', data))
+    .catch(() => dispatch('fetchPaymentMethodDetailsError'));
+};
+
+export const fetchPaymentMethodDetailsSuccess = ({ commit, dispatch }, data) => {
+  const creditCardDetails = {
+    cardType: data.credit_card_type,
+    lastFourDigits: data.credit_card_mask_number.slice(-4),
+    expirationMonth: data.credit_card_expiration_month,
+    expirationYear: data.credit_card_expiration_year % 100,
+  };
+
+  commit(types.UPDATE_CREDIT_CARD_DETAILS, creditCardDetails);
+
+  dispatch('activateNextStep');
+};
+
+export const fetchPaymentMethodDetailsError = () => {
+  createFlash(s__('Checkout|Failed to register credit card. Please try again.'));
+};

ee/app/assets/javascripts/subscriptions/new/store/mutation_types.js

@@ -23,3 +23,9 @@ export const UPDATE_CITY = 'UPDATE_CITY';
 export const UPDATE_COUNTRY_STATE = 'UPDATE_COUNTRY_STATE';
 
 export const UPDATE_ZIP_CODE = 'UPDATE_ZIP_CODE';
+
+export const UPDATE_PAYMENT_FORM_PARAMS = 'UPDATE_PAYMENT_FORM_PARAMS';
+
+export const UPDATE_PAYMENT_METHOD_ID = 'UPDATE_PAYMENT_METHOD_ID';
+
+export const UPDATE_CREDIT_CARD_DETAILS = 'UPDATE_CREDIT_CARD_DETAILS';

ee/app/assets/javascripts/subscriptions/new/store/mutations.js

@@ -52,4 +52,16 @@ export default {
   [types.UPDATE_ZIP_CODE](state, zipCode) {
     state.zipCode = zipCode;
   },
+
+  [types.UPDATE_PAYMENT_FORM_PARAMS](state, paymentFormParams) {
+    state.paymentFormParams = paymentFormParams;
+  },
+
+  [types.UPDATE_PAYMENT_METHOD_ID](state, paymentMethodId) {
+    state.paymentMethodId = paymentMethodId;
+  },
+
+  [types.UPDATE_CREDIT_CARD_DETAILS](state, creditCardDetails) {
+    state.creditCardDetails = creditCardDetails;
+  },
 };

ee/app/assets/javascripts/subscriptions/new/store/state.js

@@ -35,6 +35,9 @@ export default ({ planData = '[]', planId, setupForCompany, fullName }) => {
     zipCode: null,
     countryOptions: [],
     stateOptions: [],
+    paymentFormParams: {},
+    paymentMethodId: null,
+    creditCardDetails: {},
     taxRate: TAX_RATE,
     startDate: new Date(Date.now()),
   };

ee/app/assets/stylesheets/pages/subscriptions.scss

@@ -133,6 +133,20 @@ $subscriptions-full-width-lg: 541px;
     }
   }
 
+  #zuora_payment {
+    margin-right: -8px;
+
+    @media(min-width: map-get($grid-breakpoints, lg)) {
+      margin-right: 0;
+    }
+
+    iframe {
+      background-color: $white-light;
+      margin: -4px;
+      width: 100% !important;
+    }
+  }
+
   .order-summary {
     max-width: $subscriptions-full-width-md;
 

ee/spec/frontend/subscriptions/new/components/checkout/components/zuora_spec.js

+import Vuex from 'vuex';
+import { shallowMount, createLocalVue } from '@vue/test-utils';
+import createStore from 'ee/subscriptions/new/store';
+import * as types from 'ee/subscriptions/new/store/mutation_types';
+import { GlLoadingIcon } from '@gitlab/ui';
+import Component from 'ee/subscriptions/new/components/checkout/components/zuora.vue';
+
+describe('Zuora', () => {
+  const localVue = createLocalVue();
+  localVue.use(Vuex);
+
+  let wrapper;
+
+  const store = createStore();
+
+  const createComponent = (opts = {}) => {
+    wrapper = shallowMount(Component, {
+      localVue,
+      sync: false,
+      store,
+      ...opts,
+    });
+  };
+
+  const methodMocks = {
+    loadZuoraScript: jest.fn(),
+    renderZuoraIframe: jest.fn(),
+  };
+
+  beforeEach(() => {
+    createComponent({ methods: methodMocks, propsData: { active: true } });
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('mounted', () => {
+    it('should call loadZuoraScript', () => {
+      expect(methodMocks.loadZuoraScript).toHaveBeenCalled();
+    });
+  });
+
+  describe('when active and loading', () => {
+    it('the loading indicator should not be shown', () => {
+      expect(wrapper.find(GlLoadingIcon).exists()).toBe(true);
+    });
+
+    it('the zuora_payment selector should be visible', () => {
+      expect(wrapper.find('#zuora_payment').element.style.display).toEqual('none');
+    });
+  });
+
+  describe('when active and not loading', () => {
+    beforeEach(() => {
+      wrapper.vm.toggleLoading();
+    });
+
+    it('the loading indicator should not be shown', () => {
+      expect(wrapper.find(GlLoadingIcon).exists()).toBe(false);
+    });
+
+    it('the zuora_payment selector should be visible', () => {
+      expect(wrapper.find('#zuora_payment').element.style.display).toEqual('');
+    });
+  });
+
+  describe('not active and not loading', () => {
+    beforeEach(() => {
+      createComponent({ methods: methodMocks, propsData: { active: false } });
+      wrapper.vm.toggleLoading();
+    });
+
+    it('the zuora_payment selector should not be visible', () => {
+      expect(wrapper.find('#zuora_payment').element.style.display).toEqual('none');
+    });
+  });
+
+  describe('toggleLoading', () => {
+    let spy;
+
+    beforeEach(() => {
+      spy = jest.spyOn(wrapper.vm, 'toggleLoading');
+    });
+
+    afterEach(() => {
+      spy.mockClear();
+    });
+
+    it('is called when the paymentMethodId is updated', () => {
+      store.commit(types.UPDATE_PAYMENT_METHOD_ID, 'foo');
+
+      return localVue.nextTick().then(() => {
+        expect(spy).toHaveBeenCalled();
+      });
+    });
+
+    it('is called when the creditCardDetails are updated', () => {
+      store.commit(types.UPDATE_CREDIT_CARD_DETAILS, {});
+
+      return localVue.nextTick().then(() => {
+        expect(spy).toHaveBeenCalled();
+      });
+    });
+  });
+
+  describe('renderZuoraIframe', () => {
+    it('is called when the paymentFormParams are updated', () => {
+      store.commit(types.UPDATE_PAYMENT_FORM_PARAMS, {});
+
+      return localVue.nextTick().then(() => {
+        expect(methodMocks.renderZuoraIframe).toHaveBeenCalled();
+      });
+    });
+  });
+});

ee/spec/frontend/subscriptions/new/components/checkout/payment_method_spec.js

+import Vuex from 'vuex';
+import { mount, createLocalVue } from '@vue/test-utils';
+import createStore from 'ee/subscriptions/new/store';
+import * as types from 'ee/subscriptions/new/store/mutation_types';
+import Step from 'ee/subscriptions/new/components/checkout/components/step.vue';
+import Component from 'ee/subscriptions/new/components/checkout/payment_method.vue';
+
+describe('Payment Method', () => {
+  const localVue = createLocalVue();
+  localVue.use(Vuex);
+
+  let wrapper;
+
+  const store = createStore();
+
+  const createComponent = (opts = {}) => {
+    wrapper = mount(Component, {
+      localVue,
+      sync: false,
+      store,
+      ...opts,
+    });
+  };
+
+  beforeEach(() => {
+    createComponent();
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('validations', () => {
+    const isStepValid = () => wrapper.find(Step).props('isValid');
+
+    it('should be valid when paymentMethodId is defined', () => {
+      store.commit(types.UPDATE_PAYMENT_METHOD_ID, 'paymentMethodId');
+
+      return localVue.nextTick().then(() => {
+        expect(isStepValid()).toBe(true);
+      });
+    });
+
+    it('should be invalid when paymentMethodId is undefined', () => {
+      store.commit(types.UPDATE_PAYMENT_METHOD_ID, null);
+
+      return localVue.nextTick().then(() => {
+        expect(isStepValid()).toBe(false);
+      });
+    });
+  });
+
+  describe('showing the summary', () => {
+    beforeEach(() => {
+      store.commit(types.UPDATE_PAYMENT_METHOD_ID, 'paymentMethodId');
+      store.commit(types.UPDATE_CREDIT_CARD_DETAILS, {
+        cardType: 'Visa',
+        lastFourDigits: '4242',
+        expirationMonth: 12,
+        expirationYear: 19,
+      });
+    });
+
+    it('should show the entered credit card details', () => {
+      expect(
+        wrapper
+          .find('.js-summary-line-1')
+          .html()
+          .replace(/\s+/g, ' '),
+      ).toContain('Visa ending in <strong>4242</strong>');
+    });
+
+    it('should show the entered credit card expiration date', () => {
+      expect(wrapper.find('.js-summary-line-2').text()).toEqual('Exp 12/19');
+    });
+  });
+});

ee/spec/frontend/subscriptions/new/store/actions_spec.js

@@ -341,4 +341,218 @@ describe('Subscriptions Actions', () => {
       );
     });
   });
+
+  describe('fetchPaymentFormParams', () => {
+    beforeEach(() => {
+      mock = new MockAdapter(axios);
+    });
+
+    afterEach(() => {
+      mock.restore();
+    });
+
+    it('fetches paymentFormParams and calls fetchPaymentFormParamsSuccess with the returned data on success', done => {
+      mock
+        .onGet(constants.PAYMENT_FORM_URL, { params: { id: constants.PAYMENT_FORM_ID } })
+        .replyOnce(200, { token: 'x' });
+
+      testAction(
+        actions.fetchPaymentFormParams,
+        null,
+        {},
+        [],
+        [{ type: 'fetchPaymentFormParamsSuccess', payload: { token: 'x' } }],
+        done,
+      );
+    });
+
+    it('calls fetchPaymentFormParamsError on error', done => {
+      mock.onGet(constants.PAYMENT_FORM_URL).replyOnce(500);
+
+      testAction(
+        actions.fetchPaymentFormParams,
+        null,
+        {},
+        [],
+        [{ type: 'fetchPaymentFormParamsError' }],
+        done,
+      );
+    });
+  });
+
+  describe('fetchPaymentFormParamsSuccess', () => {
+    it('updates paymentFormParams to the provided value when no errors are present', done => {
+      testAction(
+        actions.fetchPaymentFormParamsSuccess,
+        { token: 'x' },
+        {},
+        [{ type: 'UPDATE_PAYMENT_FORM_PARAMS', payload: { token: 'x' } }],
+        [],
+        done,
+      );
+    });
+
+    it('creates a flash when errors are present', done => {
+      testAction(
+        actions.fetchPaymentFormParamsSuccess,
+        { errors: 'error message' },
+        {},
+        [],
+        [],
+        () => {
+          expect(createFlash).toHaveBeenCalledWith(
+            'Credit card form failed to load: error message',
+          );
+          done();
+        },
+      );
+    });
+  });
+
+  describe('fetchPaymentFormParamsError', () => {
+    it('creates a flash', done => {
+      testAction(actions.fetchPaymentFormParamsError, null, {}, [], [], () => {
+        expect(createFlash).toHaveBeenCalledWith(
+          'Credit card form failed to load. Please try again.',
+        );
+        done();
+      });
+    });
+  });
+
+  describe('paymentFormSubmitted', () => {
+    describe('on success', () => {
+      it('calls paymentFormSubmittedSuccess with the refID from the response', done => {
+        testAction(
+          actions.paymentFormSubmitted,
+          { success: true, refId: 'id' },
+          {},
+          [],
+          [{ type: 'paymentFormSubmittedSuccess', payload: 'id' }],
+          done,
+        );
+      });
+    });
+
+    describe('on failure', () => {
+      it('calls paymentFormSubmittedError with the response', done => {
+        testAction(
+          actions.paymentFormSubmitted,
+          { error: 'foo' },
+          {},
+          [],
+          [{ type: 'paymentFormSubmittedError', payload: { error: 'foo' } }],
+          done,
+        );
+      });
+    });
+  });
+
+  describe('paymentFormSubmittedSuccess', () => {
+    it('updates paymentMethodId to the provided value and calls fetchPaymentMethodDetails', done => {
+      testAction(
+        actions.paymentFormSubmittedSuccess,
+        'id',
+        {},
+        [{ type: 'UPDATE_PAYMENT_METHOD_ID', payload: 'id' }],
+        [{ type: 'fetchPaymentMethodDetails' }],
+        done,
+      );
+    });
+  });
+
+  describe('paymentFormSubmittedError', () => {
+    it('creates a flash', done => {
+      testAction(
+        actions.paymentFormSubmittedError,
+        { errorCode: 'codeFromResponse', errorMessage: 'messageFromResponse' },
+        {},
+        [],
+        [],
+        () => {
+          expect(createFlash).toHaveBeenCalledWith(
+            'Submitting the credit card form failed with code codeFromResponse: messageFromResponse',
+          );
+          done();
+        },
+      );
+    });
+  });
+
+  describe('fetchPaymentMethodDetails', () => {
+    beforeEach(() => {
+      mock = new MockAdapter(axios);
+    });
+
+    afterEach(() => {
+      mock.restore();
+    });
+
+    it('fetches paymentMethodDetails and calls fetchPaymentMethodDetailsSuccess with the returned data on success', done => {
+      mock
+        .onGet(constants.PAYMENT_METHOD_URL, { params: { id: 'paymentMethodId' } })
+        .replyOnce(200, { token: 'x' });
+
+      testAction(
+        actions.fetchPaymentMethodDetails,
+        null,
+        { paymentMethodId: 'paymentMethodId' },
+        [],
+        [{ type: 'fetchPaymentMethodDetailsSuccess', payload: { token: 'x' } }],
+        done,
+      );
+    });
+
+    it('calls fetchPaymentMethodDetailsError on error', done => {
+      mock.onGet(constants.PAYMENT_METHOD_URL).replyOnce(500);
+
+      testAction(
+        actions.fetchPaymentMethodDetails,
+        null,
+        {},
+        [],
+        [{ type: 'fetchPaymentMethodDetailsError' }],
+        done,
+      );
+    });
+  });
+
+  describe('fetchPaymentMethodDetailsSuccess', () => {
+    it('updates creditCardDetails to the provided data and calls activateNextStep', done => {
+      testAction(
+        actions.fetchPaymentMethodDetailsSuccess,
+        {
+          credit_card_type: 'cc_type',
+          credit_card_mask_number: '4242424242424242',
+          credit_card_expiration_month: 12,
+          credit_card_expiration_year: 2019,
+        },
+        {},
+        [
+          {
+            type: 'UPDATE_CREDIT_CARD_DETAILS',
+            payload: {
+              cardType: 'cc_type',
+              lastFourDigits: '4242',
+              expirationMonth: 12,
+              expirationYear: 19,
+            },
+          },
+        ],
+        [{ type: 'activateNextStep' }],
+        done,
+      );
+    });
+  });
+
+  describe('fetchPaymentMethodDetailsError', () => {
+    it('creates a flash', done => {
+      testAction(actions.fetchPaymentMethodDetailsError, null, {}, [], [], () => {
+        expect(createFlash).toHaveBeenCalledWith(
+          'Failed to register credit card. Please try again.',
+        );
+        done();
+      });
+    });
+  });
 });

ee/spec/frontend/subscriptions/new/store/mutations_spec.js

@@ -43,3 +43,27 @@ describe('ee/subscriptions/new/store/mutation', () => {
     });
   });
 });
+
+describe('UPDATE_PAYMENT_FORM_PARAMS', () => {
+  it('should set the paymentFormParams to the given paymentFormParams', () => {
+    mutations[types.UPDATE_PAYMENT_FORM_PARAMS](stateCopy, { token: 'x' });
+
+    expect(stateCopy.paymentFormParams).toEqual({ token: 'x' });
+  });
+});
+
+describe('UPDATE_PAYMENT_METHOD_ID', () => {
+  it('should set the paymentMethodId to the given paymentMethodId', () => {
+    mutations[types.UPDATE_PAYMENT_METHOD_ID](stateCopy, 'paymentMethodId');
+
+    expect(stateCopy.paymentMethodId).toEqual('paymentMethodId');
+  });
+});
+
+describe('UPDATE_CREDIT_CARD_DETAILS', () => {
+  it('should set the creditCardDetails to the given creditCardDetails', () => {
+    mutations[types.UPDATE_CREDIT_CARD_DETAILS](stateCopy, { type: 'x' });
+
+    expect(stateCopy.creditCardDetails).toEqual({ type: 'x' });
+  });
+});

ee/spec/frontend/subscriptions/new/store/state_spec.js

@@ -137,4 +137,16 @@ describe('projectsSelector default state', () => {
   it('sets the startDate to the current date', () => {
     expect(state.startDate).toEqual(currentDate);
   });
+
+  it('sets the paymentFormParams to an empty object', () => {
+    expect(state.paymentFormParams).toEqual({});
+  });
+
+  it('sets the paymentMethodId to null', () => {
+    expect(state.paymentMethodId).toBeNull();
+  });
+
+  it('sets the creditCardDetails to an empty object', () => {
+    expect(state.creditCardDetails).toEqual({});
+  });
 });

locale/gitlab.pot

@@ -3338,6 +3338,9 @@ msgstr ""
 msgid "Checkout|$%{selectedPlanPrice} per user per year"
 msgstr ""
 
+msgid "Checkout|%{cardType} ending in %{lastFourDigits}"
+msgstr ""
+
 msgid "Checkout|%{name}'s GitLab subscription"
 msgstr ""
 
@@ -3377,15 +3380,27 @@ msgstr ""
 msgid "Checkout|Country"
 msgstr ""
 
+msgid "Checkout|Credit card form failed to load. Please try again."
+msgstr ""
+
+msgid "Checkout|Credit card form failed to load: %{message}"
+msgstr ""
+
 msgid "Checkout|Edit"
 msgstr ""
 
+msgid "Checkout|Exp %{expirationMonth}/%{expirationYear}"
+msgstr ""
+
 msgid "Checkout|Failed to load countries. Please try again."
 msgstr ""
 
 msgid "Checkout|Failed to load states. Please try again."
 msgstr ""
 
+msgid "Checkout|Failed to register credit card. Please try again."
+msgstr ""
+
 msgid "Checkout|GitLab plan"
 msgstr ""
 
@@ -3401,6 +3416,9 @@ msgstr ""
 msgid "Checkout|Number of users"
 msgstr ""
 
+msgid "Checkout|Payment method"
+msgstr ""
+
 msgid "Checkout|Please select a country"
 msgstr ""
 
@@ -3413,6 +3431,9 @@ msgstr ""
 msgid "Checkout|Street address"
 msgstr ""
 
+msgid "Checkout|Submitting the credit card form failed with code %{errorCode}: %{errorMessage}"
+msgstr ""
+
 msgid "Checkout|Subscription details"
 msgstr ""