1 |
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2 |
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3 | const SCRIPT_SELECTOR = 'script[src^="https://js.stripe.com/v3"]';
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4 |
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5 | describe('pure module', () => {
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6 | beforeEach(() => {
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7 | jest.spyOn(console, 'warn').mockReturnValue();
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8 | });
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9 |
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10 | afterEach(() => {
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11 | const scripts = Array.from(document.querySelectorAll(SCRIPT_SELECTOR));
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12 |
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13 | for (const script of scripts) {
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14 | if (script.parentElement) {
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15 | script.parentElement.removeChild(script);
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16 | }
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17 | }
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18 |
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19 | delete window.Stripe;
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20 |
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21 | jest.resetModules();
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22 | jest.restoreAllMocks();
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23 | });
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24 |
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25 | test('does not inject the script if loadStripe is not called', async () => {
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26 | require('./pure');
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27 |
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28 | expect(document.querySelector(SCRIPT_SELECTOR)).toBe(null);
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29 | });
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30 |
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31 | test('it injects the script if loadStripe is called', async () => {
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32 | const {loadStripe} = require('./pure');
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33 | loadStripe('pk_test_foo');
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34 |
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35 | expect(document.querySelector(SCRIPT_SELECTOR)).not.toBe(null);
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36 | });
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37 |
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38 | test('it can load the script with advanced fraud signals disabled', () => {
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39 | const {loadStripe} = require('./pure');
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40 |
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41 | loadStripe.setLoadParameters({advancedFraudSignals: false});
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42 | loadStripe('pk_test_foo');
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43 |
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44 | expect(
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45 | document.querySelector(
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46 | 'script[src^="https://js.stripe.com/v3?advancedFraudSignals=false"]'
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47 | )
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48 | ).not.toBe(null);
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49 | });
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50 |
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51 | test('it should throw when setting invalid load parameters', () => {
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52 | const {loadStripe} = require('./pure');
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53 |
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54 | expect(() => {
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55 | loadStripe.setLoadParameters({howdy: true});
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56 | }).toThrow('invalid load parameters');
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57 | });
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58 |
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59 | test('it should warn when calling loadStripe if a script already exists when parameters are set', () => {
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60 | const script = document.createElement('script');
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61 | script.src = 'https://js.stripe.com/v3';
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62 | document.body.appendChild(script);
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63 |
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64 | const {loadStripe} = require('./pure');
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65 | loadStripe.setLoadParameters({advancedFraudSignals: true});
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66 | loadStripe('pk_test_123');
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67 |
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68 | expect(console.warn).toHaveBeenCalledTimes(1);
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69 | expect(console.warn).toHaveBeenLastCalledWith(
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70 | 'loadStripe.setLoadParameters was called but an existing Stripe.js script already exists in the document; existing script parameters will be used'
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71 | );
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72 | });
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73 |
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74 | test('it should warn when calling loadStripe if a script is added after parameters are set', () => {
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75 | const {loadStripe} = require('./pure');
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76 | loadStripe.setLoadParameters({advancedFraudSignals: true});
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77 |
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78 | const script = document.createElement('script');
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79 | script.src = 'https://js.stripe.com/v3';
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80 | document.body.appendChild(script);
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81 |
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82 | loadStripe('pk_test_123');
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83 |
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84 | expect(console.warn).toHaveBeenCalledTimes(1);
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85 | expect(console.warn).toHaveBeenLastCalledWith(
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86 | 'loadStripe.setLoadParameters was called but an existing Stripe.js script already exists in the document; existing script parameters will be used'
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87 | );
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88 | });
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89 |
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90 | test('it should warn when window.Stripe already exists if parameters are set', () => {
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91 | window.Stripe = jest.fn((key) => ({key})) as any;
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92 |
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93 | const {loadStripe} = require('./pure');
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94 | loadStripe.setLoadParameters({advancedFraudSignals: true});
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95 | loadStripe('pk_test_123');
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96 |
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97 | expect(console.warn).toHaveBeenCalledTimes(1);
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98 | expect(console.warn).toHaveBeenLastCalledWith(
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99 | 'loadStripe.setLoadParameters was called but an existing Stripe.js script already exists in the document; existing script parameters will be used'
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100 | );
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101 | });
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102 |
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103 | test('it should not warn when a script already exists if parameters are not set', () => {
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104 | const script = document.createElement('script');
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105 | script.src = 'https://js.stripe.com/v3';
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106 | document.body.appendChild(script);
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107 |
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108 | const {loadStripe} = require('./pure');
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109 | loadStripe('pk_test_123');
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110 |
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111 | expect(console.warn).toHaveBeenCalledTimes(0);
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112 | });
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113 |
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114 | test('it should not warn when window.Stripe already exists if parameters are not set', () => {
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115 | window.Stripe = jest.fn((key) => ({key})) as any;
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116 |
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117 | const {loadStripe} = require('./pure');
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118 | loadStripe('pk_test_123');
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119 |
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120 | expect(console.warn).toHaveBeenCalledTimes(0);
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121 | });
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122 |
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123 | test('throws an error if calling setLoadParameters after loadStripe', () => {
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124 | const {loadStripe} = require('./pure');
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125 |
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126 | loadStripe.setLoadParameters({advancedFraudSignals: false});
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127 | loadStripe('pk_foo');
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128 |
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129 | expect(() => {
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130 | loadStripe.setLoadParameters({advancedFraudSignals: false});
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131 | }).toThrow('cannot change load parameters');
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132 | });
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133 | });
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