repo: integrate packages from former merchant-backoffice.git

5 files changed, 499 insertions, 0 deletions

diff --git a/packages/demobank-ui/tests/__mocks__/browserMocks.ts b/packages/demobank-ui/tests/__mocks__/browserMocks.ts
new file mode 100644
index 000000000..5be8c3ce6
--- /dev/null
+++ b/packages/demobank-ui/tests/__mocks__/browserMocks.ts
@@ -0,0 +1,21 @@
+// Mock Browser API's which are not supported by JSDOM, e.g. ServiceWorker, LocalStorage
+/**
+ * An example how to mock localStorage is given below 👇
+ */
+
+/* 
+// Mocks localStorage
+const localStorageMock = (function() {
+	let store = {};
+
+	return {
+		getItem: (key) => store[key] || null,
+		setItem: (key, value) => store[key] = value.toString(),
+		clear: () => store = {}
+	};
+
+})();
+
+Object.defineProperty(window, 'localStorage', {
+	value: localStorageMock
+}); */
diff --git a/packages/demobank-ui/tests/__mocks__/fileMocks.ts b/packages/demobank-ui/tests/__mocks__/fileMocks.ts
new file mode 100644
index 000000000..87109e355
--- /dev/null
+++ b/packages/demobank-ui/tests/__mocks__/fileMocks.ts
@@ -0,0 +1,3 @@
+// This fixed an error related to the CSS and loading gif breaking my Jest test
+// See https://facebook.github.io/jest/docs/en/webpack.html#handling-static-assets
+export default 'test-file-stub';
diff --git a/packages/demobank-ui/tests/__mocks__/setupTests.ts b/packages/demobank-ui/tests/__mocks__/setupTests.ts
new file mode 100644
index 000000000..b0bebb589
--- /dev/null
+++ b/packages/demobank-ui/tests/__mocks__/setupTests.ts
@@ -0,0 +1,6 @@
+import { configure } from 'enzyme';
+import Adapter from 'enzyme-adapter-preact-pure';
+
+configure({
+  adapter: new Adapter() as any
+});
diff --git a/packages/demobank-ui/tests/__tests__/homepage.js b/packages/demobank-ui/tests/__tests__/homepage.js
new file mode 100644
index 000000000..9ea0ed410
--- /dev/null
+++ b/packages/demobank-ui/tests/__tests__/homepage.js
@@ -0,0 +1,466 @@
+import "core-js/stable";
+import "regenerator-runtime/runtime";
+import "@testing-library/jest-dom";
+import { BankHome } from '../../src/pages/home';
+import { h } from 'preact';
+import { waitFor, cleanup, render, fireEvent, screen } from '@testing-library/preact';
+import expect from 'expect';
+import fetchMock from "jest-fetch-mock";
+
+/**
+ * This mock makes the translator always return the
+ * english string.  It didn't work within the 'beforeAll'
+ * function...
+ */
+jest.mock("../../src/i18n")
+const i18n = require("../../src/i18n")
+i18n.useTranslator.mockImplementation(() => function(arg) {return arg})
+
+beforeAll(() => {
+  Object.defineProperty(window, 'location', {
+    value: {
+      origin: "http://localhost",
+      pathname: "/demobanks/default"
+    }
+  })
+  global.Storage.prototype.setItem = jest.fn((key, value) => {})
+})
+
+function fillCredentialsForm() {
+  const username = Math.random().toString().substring(2);
+  const u = screen.getByPlaceholderText("username");
+  const p = screen.getByPlaceholderText("password");
+  fireEvent.input(u, {target: {value: username}})
+  fireEvent.input(p, {target: {value: "bar"}})
+  const signinButton = screen.getByText("Login");
+  return {
+    username: username,
+    signinButton: signinButton
+  };
+}
+fetchMock.enableMocks();
+
+function mockSuccessLoginOrRegistration() {
+  fetch.once("{}", {
+    status: 200
+  }).once(JSON.stringify({
+    balance: {
+      amount: "EUR:10",
+      credit_debit_indicator: "credit"
+    },
+    paytoUri: "payto://iban/123/ABC"
+  }))
+}
+
+/**
+ * Render homepage -> navigate to register page -> submit registration.
+ * 'webMock' is called before submission to mock the server response
+ */
+function signUp(context, webMock) {
+  render(<BankHome />);
+  const registerPage = screen.getByText("Register!");
+  fireEvent.click(registerPage);
+  const username = Math.random().toString().substring(2);
+  const u = screen.getByPlaceholderText("username");
+  const p = screen.getByPlaceholderText("password");
+  fireEvent.input(u, {target: {value: username}})
+  fireEvent.input(p, {target: {value: "bar"}})
+  const registerButton = screen.getByText("Register");
+  webMock();
+  fireEvent.click(registerButton);
+  context.username = username;
+  return context;
+}
+
+describe("wire transfer", () => {
+  beforeEach(() => {
+    signUp({}, mockSuccessLoginOrRegistration); // context unused
+  })
+  test("Wire transfer success", async () => {
+    const transferButton = screen.getByText("Create wire transfer");
+    const payto = screen.getByPlaceholderText("payto address");
+    fireEvent.input(payto, {target: {value: "payto://only-checked-by-the-backend!"}})
+    fetch.once("{}"); // 200 OK
+    fireEvent.click(transferButton);
+    await screen.findByText("wire transfer created", {exact: false})
+  })
+  test("Wire transfer fail", async () => {
+    const transferButton = screen.getByText("Create wire transfer");
+    const payto = screen.getByPlaceholderText("payto address");
+    fireEvent.input(payto, {target: {value: "payto://only-checked-by-the-backend!"}})
+    fetch.once("{}", {status: 400});
+    fireEvent.click(transferButton);
+    // assert this below does NOT appear.
+    await waitFor(() => expect(
+      screen.queryByText("wire transfer created", {exact: false})).not.toBeInTheDocument());
+  })
+})
+
+describe("withdraw", () => {
+  afterEach(() => {
+    fetch.resetMocks();
+    cleanup();
+  })
+
+
+  let context = {};
+  // Register and land on the profile page.
+  beforeEach(() => {
+    context = signUp(context, mockSuccessLoginOrRegistration); 
+  })
+
+  test("network failure before withdrawal creation", async () => {
+    const a = screen.getAllByPlaceholderText("amount")[0];
+    fireEvent.input(a, {target: {value: "10"}});
+    let withdrawButton = screen.getByText("Charge Taler wallet");
+    // mock network failure.
+    fetch.mockReject("API is down");
+    fireEvent.click(withdrawButton);
+    await screen.findByText("could not create withdrawal operation", {exact: false})
+  })
+
+  test("HTTP response error upon withdrawal creation", async () => {
+    const a = screen.getAllByPlaceholderText("amount")[0];
+    fireEvent.input(a, {target: {value: "10,0"}});
+    let withdrawButton = screen.getByText("Charge Taler wallet");
+    fetch.once("{}", {status: 404});
+    fireEvent.click(withdrawButton);
+    await screen.findByText("gave response error", {exact: false})
+  })
+
+  test("Abort withdrawal", async () => {
+    const a = screen.getAllByPlaceholderText("amount")[0];
+    fireEvent.input(a, {target: {value: "10,0"}});
+    let withdrawButton = screen.getByText("Charge Taler wallet");
+    fetch.once(JSON.stringify({
+      taler_withdraw_uri: "taler://withdraw/foo",
+      withdrawal_id: "foo"
+    }));
+    /**
+     * After triggering a withdrawal, check if the taler://withdraw URI
+     * rendered, and confirm if so.  Lastly, check that a success message
+     * appeared on the screen.
+     */
+    fireEvent.click(withdrawButton);
+    const abortButton = await screen.findByText("abort withdrawal", {exact: false})
+    fireEvent.click(abortButton);
+    expect(fetch).toHaveBeenLastCalledWith(
+    `http://localhost/demobanks/default/access-api/accounts/${context.username}/withdrawals/foo/abort`,
+    expect.anything()
+    )
+    await waitFor(() => expect(
+      screen.queryByText("abort withdrawal", {exact: false})).not.toBeInTheDocument());
+  })
+
+  test("Successful withdrawal creation and confirmation", async () => {
+    const a = screen.getAllByPlaceholderText("amount")[0];
+    fireEvent.input(a, {target: {value: "10,0"}});
+    let withdrawButton = await screen.findByText("Charge Taler wallet");
+    fetch.once(JSON.stringify({
+      taler_withdraw_uri: "taler://withdraw/foo",
+      withdrawal_id: "foo"
+    }));
+    /**
+     * After triggering a withdrawal, check if the taler://withdraw URI
+     * rendered, and confirm if so.  Lastly, check that a success message
+     * appeared on the screen.  */
+    fireEvent.click(withdrawButton);
+    expect(fetch).toHaveBeenCalledWith(
+      `http://localhost/demobanks/default/access-api/accounts/${context.username}/withdrawals`,
+      expect.objectContaining({body: JSON.stringify({amount: "EUR:10.0"})})
+    )
+    // assume wallet POSTed the payment details.
+    const confirmButton = await screen.findByText("confirm withdrawal", {exact: false})
+    /**
+     * Not expecting a new withdrawal possibility while one is being processed.
+     */
+    await waitFor(() => expect(
+      screen.queryByText("charge taler wallet", {exact: false})).not.toBeInTheDocument());
+    fetch.once("{}")
+    // Confirm currently processed withdrawal.
+    fireEvent.click(confirmButton);
+    /**
+     * After having confirmed above, wait that the
+     * pre-withdrawal elements disappears and a success
+     * message appears.
+     */
+    await waitFor(() => expect(
+      screen.queryByText(
+        "confirm withdrawal",
+	{exact: false})).not.toBeInTheDocument()
+    );
+    await waitFor(() => expect(
+      screen.queryByText(
+        "give this address to the taler wallet",
+        {exact: false})).not.toBeInTheDocument()
+    );
+    expect(fetch).toHaveBeenLastCalledWith(
+    `http://localhost/demobanks/default/access-api/accounts/${context.username}/withdrawals/foo/confirm`,
+    expect.anything())
+    // success message
+    await screen.findByText("withdrawal confirmed", {exact: false})
+
+    /**
+     * Click on a "return to homepage / close" button, and
+     * check that the withdrawal confirmation is gone, and
+     * the option to withdraw again reappeared.
+     */
+    const closeButton = await screen.findByText("close", {exact: false})
+    fireEvent.click(closeButton);
+
+    /**
+     * After closing the operation, the confirmation message is not expected.
+     */
+    await waitFor(() => expect(
+      screen.queryByText("withdrawal confirmed", {exact: false})).not.toBeInTheDocument()
+    );
+
+    /**
+     * After closing the operation, the possibility to withdraw again should be offered.
+     */
+    await waitFor(() => expect(
+      screen.queryByText(
+        "charge taler wallet",
+        {exact: false})).toBeInTheDocument()
+    );
+  })
+})
+
+describe("home page", () => {
+  afterEach(() => {
+    fetch.resetMocks();
+    cleanup();
+  })
+  test("public histories", async () => {
+    render(<BankHome />);
+    /**
+     * Mock list of public accounts.  'bar' is
+     * the shown account, since it occupies the last
+     * position (and SPA picks it via the 'pop()' method) */
+    fetch.once(JSON.stringify({
+      "publicAccounts" : [ {
+        "balance" : "EUR:1",
+        "iban" : "XXX",
+        "accountLabel" : "foo"
+      }, {
+        "balance" : "EUR:2",
+        "iban" : "YYY",
+        "accountLabel" : "bar"
+      }]
+    })).once(JSON.stringify({
+      transactions: [{
+        debtorIban: "XXX",
+        debtorBic: "YYY",
+        debtorName: "Foo",
+        creditorIban: "AAA",
+        creditorBic: "BBB",
+        creditorName: "Bar",
+	direction: "DBIT",
+        amount: "EUR:5",
+	subject: "Reimbursement",
+	date: "1970-01-01"
+      }, {
+        debtorIban: "XXX",
+        debtorBic: "YYY",
+        debtorName: "Foo",
+        creditorIban: "AAA",
+        creditorBic: "BBB",
+        creditorName: "Bar",
+	direction: "CRDT",
+        amount: "EUR:5",
+	subject: "Bonus",
+	date: "2000-01-01"
+      }]
+    })).once(JSON.stringify({ 
+      transactions: [{
+        debtorIban: "XXX",
+        debtorBic: "YYY",
+        debtorName: "Foo",
+        creditorIban: "AAA",
+        creditorBic: "BBB",
+        creditorName: "Bar",
+	direction: "DBIT",
+        amount: "EUR:5",
+	subject: "Donation",
+	date: "1970-01-01"
+      }, {
+        debtorIban: "XXX",
+        debtorBic: "YYY",
+        debtorName: "Foo",
+        creditorIban: "AAA",
+        creditorBic: "BBB",
+        creditorName: "Bar",
+	direction: "CRDT",
+        amount: "EUR:5",
+	subject: "Refund",
+	date: "2000-01-01"
+      }]
+    }))
+
+    // Navigate to dedicate public histories page.
+    const publicTxsPage = screen.getByText("transactions");
+    fireEvent.click(publicTxsPage);
+
+    /**
+     * Check that transactions data appears on the page.
+     */
+    await screen.findByText("reimbursement", {exact: false});
+    await screen.findByText("bonus", {exact: false});
+    /**
+     * The transactions below should not appear, because only
+     * one public account renders.
+     */
+    await waitFor(() => expect(
+      screen.queryByText("refund", {exact: false})).not.toBeInTheDocument());
+    await waitFor(() => expect(
+      screen.queryByText("donation", {exact: false})).not.toBeInTheDocument());
+    /**
+     * First HTTP mock:
+     */
+    await expect(fetch).toHaveBeenCalledWith(
+      "http://localhost/demobanks/default/access-api/public-accounts"
+    )
+    /**
+     * Only expecting this request (second mock), as SWR doesn't let
+     * the unshown history request to the backend:
+     */
+    await expect(fetch).toHaveBeenCalledWith(
+      "http://localhost/demobanks/default/access-api/accounts/bar/transactions?page=0"
+    )
+    /**
+     * Switch tab:
+     */
+    let fooTab = await screen.findByText("foo", {exact: false});
+    fireEvent.click(fooTab);
+    /**
+     * Last two HTTP mocks should render now:
+     */
+    await screen.findByText("refund", {exact: false});
+    await screen.findByText("donation", {exact: false});
+
+    // Expect SWR to have requested 'foo' history
+    // (consuming the last HTTP mock):
+    await expect(fetch).toHaveBeenCalledWith(
+      "http://localhost/demobanks/default/access-api/accounts/foo/transactions?page=0"
+    )
+    let backButton = await screen.findByText("Go back", {exact: false});
+    fireEvent.click(backButton);
+    await waitFor(() => expect(
+      screen.queryByText("donation", {exact: false})).not.toBeInTheDocument());
+    await screen.findByText("welcome to eufin bank", {exact: false})
+  })
+
+  // check page informs about the current balance
+  // after a successful registration.
+
+  test("new registration response error 404", async () => {
+    var context = signUp({}, () => fetch.mockResponseOnce("Not found", {status: 404}));
+    await screen.findByText("has a problem", {exact: false});
+    expect(fetch).toHaveBeenCalledWith(
+      "http://localhost/demobanks/default/access-api/testing/register",
+      expect.objectContaining(
+        {body: JSON.stringify({username: context.username, password: "bar"}), method: "POST"},
+    ))
+  })
+
+  test("registration network failure", async () => {
+    let context = signUp({}, ()=>fetch.mockReject("API is down"));
+    await screen.findByText("has a problem", {exact: false});
+    expect(fetch).toHaveBeenCalledWith(
+      "http://localhost/demobanks/default/access-api/testing/register",
+      expect.objectContaining(
+        {body: JSON.stringify({username: context.username, password: "bar"}), method: "POST"}
+      ))
+  })
+  
+  test("login non existent user", async () => {
+    render(<BankHome />);
+    const { username, signinButton } = fillCredentialsForm();
+    fetch.once("{}", {status: 404});
+    fireEvent.click(signinButton);
+    await screen.findByText("username or account label not found", {exact: false})
+  })
+  test("login wrong credentials", async () => {
+    render(<BankHome />);
+    const { username, signinButton } = fillCredentialsForm();
+    fetch.once("{}", {status: 401});
+    fireEvent.click(signinButton);
+    await screen.findByText("wrong credentials given", {exact: false})
+  })
+
+  /**
+   * Test that balance and last transactions get shown
+   * after a successful login.
+   */
+  test("login success", async () => {
+    render(<BankHome />);
+    const { username, signinButton } = fillCredentialsForm();
+    
+    // Response to balance request.
+    fetch.once(JSON.stringify({
+      balance: {
+        amount: "EUR:10",
+	credit_debit_indicator: "credit"
+      },
+      paytoUri: "payto://iban/123/ABC"
+    })).once(JSON.stringify({ // Response to history request.
+      transactions: [{
+        debtorIban: "XXX",
+        debtorBic: "YYY",
+        debtorName: "Foo",
+        creditorIban: "AAA",
+        creditorBic: "BBB",
+        creditorName: "Bar",
+	direction: "DBIT",
+        amount: "EUR:5",
+	subject: "Donation",
+	date: "01-01-1970"
+      }, {
+        debtorIban: "XXX",
+        debtorBic: "YYY",
+        debtorName: "Foo",
+        creditorIban: "AAA",
+        creditorBic: "BBB",
+        creditorName: "Bar",
+	direction: "CRDT",
+        amount: "EUR:5",
+	subject: "Refund",
+	date: "01-01-2000"
+      }]
+    }))
+    fireEvent.click(signinButton);
+    expect(fetch).toHaveBeenCalledWith(
+      `http://localhost/demobanks/default/access-api/accounts/${username}`,
+      expect.anything()
+    )
+    await screen.findByText("balance is 10 EUR", {exact: false})
+    // The two transactions in the history mocked above.
+    await screen.findByText("refund", {exact: false})
+    await screen.findByText("donation", {exact: false})
+    expect(fetch).toHaveBeenCalledWith(
+      `http://localhost/demobanks/default/access-api/accounts/${username}/transactions?page=0`,
+      expect.anything()
+    )
+  })
+
+  test("registration success", async () => {
+    let context = signUp({}, mockSuccessLoginOrRegistration);
+    /**
+     * Tests that a balance is shown after the successful
+     * registration.
+     */
+    await screen.findByText("balance is 10 EUR", {exact: false})
+    /**
+     * The expectation below tests whether the account
+     * balance was requested after the successful registration.
+     */
+    expect(fetch).toHaveBeenCalledWith(
+      "http://localhost/demobanks/default/access-api/testing/register",
+      expect.anything() // no need to match auth headers.
+    )
+    expect(fetch).toHaveBeenCalledWith(
+      `http://localhost/demobanks/default/access-api/accounts/${context.username}`,
+      expect.anything() // no need to match auth headers.
+    )
+  })
+})
diff --git a/packages/demobank-ui/tests/declarations.d.ts b/packages/demobank-ui/tests/declarations.d.ts
new file mode 100644
index 000000000..67e940277
--- /dev/null
+++ b/packages/demobank-ui/tests/declarations.d.ts
@@ -0,0 +1,3 @@
+// Enable enzyme adapter's integration with TypeScript
+// See: https://github.com/preactjs/enzyme-adapter-preact-pure#usage-with-typescript
+/// <reference types="enzyme-adapter-preact-pure" />