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/** * @jest-environment jsdom */ describe( 'Address Autocomplete Provider Registration', () => { beforeEach( () => { delete global.window.wc; // Reset the window object and providers before each test Object.assign( global.window, { wc_checkout_params: { address_providers: [ { id: 'test-provider', name: 'Test provider' }, { id: 'wc-payments', name: 'WooCommerce Payments' }, { id: 'provider-1', name: 'Provider 1' }, { id: 'provider-2', name: 'Provider 2' }, ], }, } ); // Reset the module before each test jest.resetModules(); require( '../address-autocomplete' ); } ); test( 'should successfully register a valid provider', () => { const validProvider = { id: 'test-provider', canSearch: () => {}, search: () => {}, select: () => {}, }; const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( validProvider ); expect( result ).toBe( true ); expect( console ).not.toHaveErrored(); } ); test( 'should reject invalid provider (null, undefined, non-object)', () => { const invalidProviders = [ null, undefined, 'string', 123, true ]; invalidProviders.forEach( ( provider ) => { const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( provider ); expect( result ).toBe( false ); expect( console ).toHaveErroredWith( 'Error registering address provider:', 'Address provider must be a valid object' ); expect( console ).toHaveErrored(); } ); } ); test( 'should handle missing wc_checkout_params', () => { delete global.window.wc; // ensure fresh load global.window.wc_checkout_params = undefined; jest.resetModules(); require( '../address-autocomplete' ); const validProvider = { id: 'test-provider', canSearch: () => {}, search: () => {}, select: () => {}, }; const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( validProvider ); expect( result ).toBe( false ); expect( console ).toHaveErroredWith( 'Error registering address provider:', 'Provider test-provider not registered on server' ); } ); test( 'should handle invalid address_providers type', () => { delete global.window.wc; // ensure fresh load global.window.wc_checkout_params = undefined; jest.resetModules(); require( '../address-autocomplete' ); const validProvider = { id: 'test-provider', canSearch: () => {}, search: () => {}, select: () => {}, }; const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( validProvider ); expect( result ).toBe( false ); expect( console ).toHaveErroredWith( 'Error registering address provider:', 'Provider test-provider not registered on server' ); } ); test( 'should reject provider without ID', () => { const invalidProvider = { canSearch: () => {}, search: () => {}, select: () => {}, }; const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( invalidProvider ); expect( result ).toBe( false ); expect( console ).toHaveErroredWith( 'Error registering address provider:', 'Address provider must have a valid ID' ); } ); test( 'should reject provider with non-string ID', () => { const invalidProvider = { id: 123, canSearch: () => {}, search: () => {}, select: () => {}, }; const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( invalidProvider ); expect( result ).toBe( false ); expect( console ).toHaveErroredWith( 'Error registering address provider:', 'Address provider must have a valid ID' ); } ); test( 'should reject provider without canSearch function', () => { const invalidProvider = { id: 'test-provider', search: () => {}, select: () => {}, }; const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( invalidProvider ); expect( result ).toBe( false ); expect( console ).toHaveErroredWith( 'Error registering address provider:', 'Address provider must have a canSearch function' ); } ); test( 'should reject provider without search function', () => { const invalidProvider = { id: 'test-provider', canSearch: () => {}, select: () => {}, }; const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( invalidProvider ); expect( result ).toBe( false ); expect( console ).toHaveErroredWith( 'Error registering address provider:', 'Address provider must have a search function' ); } ); test( 'should reject provider without select function', () => { const invalidProvider = { id: 'test-provider', canSearch: () => {}, search: () => {}, }; const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( invalidProvider ); expect( result ).toBe( false ); expect( console ).toHaveErroredWith( 'Error registering address provider:', 'Address provider must have a select function' ); } ); test( 'should reject provider not registered on server', () => { const unregisteredProvider = { id: 'unregistered-provider', canSearch: () => {}, search: () => {}, select: () => {}, }; const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( unregisteredProvider ); expect( result ).toBe( false ); expect( console ).toHaveErroredWith( 'Error registering address provider:', 'Provider unregistered-provider not registered on server' ); } ); test( 'should freeze provider after successful registration', () => { const validProvider = { id: 'test-provider', canSearch: () => {}, search: () => {}, select: () => {}, }; const result = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( validProvider ); expect( result ).toBe( true ); // Verify provider is frozen expect( Object.isFrozen( window.wc.addressAutocomplete.providers[ 'test-provider' ] ) ).toBe( true ); // Attempt to modify should throw in strict mode expect( () => { window.wc.addressAutocomplete.providers[ 'test-provider' ].newProp = 'test'; } ).toThrow( TypeError ); // Verify the property wasn't added expect( window.wc.addressAutocomplete.providers[ 'test-provider' ].newProp ).toBeUndefined(); } ); test( 'should not allow duplicate provider registration', () => { const provider1 = { id: 'test-provider', canSearch: () => false, search: () => [ 'original' ], select: () => {}, }; const provider2 = { id: 'test-provider', canSearch: () => true, search: () => [ 'duplicate' ], select: () => {}, }; // Mock console.warn to capture warning message const consoleSpy = jest .spyOn( console, 'warn' ) .mockImplementation( () => {} ); // Register first provider const firstResult = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( provider1 ); expect( firstResult ).toBe( true ); // Try to register second provider with same ID const duplicateResult = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( provider2 ); expect( duplicateResult ).toBe( false ); // Verify warning was logged expect( consoleSpy ).toHaveBeenCalledWith( 'Address provider with ID "test-provider" is already registered.' ); // Verify the original provider is preserved (not overwritten) expect( window.wc.addressAutocomplete.providers[ 'test-provider' ].canSearch() ).toBe( false ); expect( window.wc.addressAutocomplete.providers[ 'test-provider' ].search() ).toEqual( [ 'original' ] ); consoleSpy.mockRestore(); } ); test( 'should allow multiple providers with different IDs', () => { const provider1 = { id: 'provider-1', canSearch: () => true, search: () => [ 'provider1-results' ], select: () => {}, }; const provider2 = { id: 'provider-2', canSearch: () => true, search: () => [ 'provider2-results' ], select: () => {}, }; // Register both providers const result1 = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( provider1 ); const result2 = window.wc.addressAutocomplete.registerAddressAutocompleteProvider( provider2 ); expect( result1 ).toBe( true ); expect( result2 ).toBe( true ); // Verify both providers are registered expect( window.wc.addressAutocomplete.providers[ 'provider-1' ] ).toBeDefined(); expect( window.wc.addressAutocomplete.providers[ 'provider-2' ] ).toBeDefined(); // Verify they maintain their separate functionality expect( window.wc.addressAutocomplete.providers[ 'provider-1' ].search() ).toEqual( [ 'provider1-results' ] ); expect( window.wc.addressAutocomplete.providers[ 'provider-2' ].search() ).toEqual( [ 'provider2-results' ] ); } ); } ); describe( 'Address Suggestions Component', () => { let mockProvider; let billingAddressInput; let shippingAddressInput; beforeEach( async () => { // Reset DOM document.body.innerHTML = ''; delete global.window.wc; // Mock jQuery global.window.jQuery = jest.fn( ( selector ) => ( { hasClass: jest.fn( () => false ), trigger: jest.fn(), select2: jest.fn(), on: jest.fn(), } ) ); // Setup window object Object.assign( global.window, { wc_checkout_params: { address_providers: [ { id: 'test-provider', name: 'Test provider' }, ], }, } ); // Create DOM structure const form = document.createElement( 'form' ); // Billing fields const billingCountry = document.createElement( 'select' ); billingCountry.id = 'billing_country'; const billingOption = document.createElement( 'option' ); billingOption.value = 'US'; billingOption.selected = true; billingCountry.appendChild( billingOption ); billingCountry.value = 'US'; const billingAddress1 = document.createElement( 'input' ); billingAddress1.id = 'billing_address_1'; billingAddress1.type = 'text'; const billingCity = document.createElement( 'input' ); billingCity.id = 'billing_city'; billingCity.type = 'text'; const billingPostcode = document.createElement( 'input' ); billingPostcode.id = 'billing_postcode'; billingPostcode.type = 'text'; const billingState = document.createElement( 'input' ); billingState.id = 'billing_state'; billingState.type = 'text'; // Create wrapper for billing address const billingWrapper = document.createElement( 'div' ); billingWrapper.className = 'woocommerce-input-wrapper'; billingWrapper.appendChild( billingAddress1 ); // Shipping fields const shippingCountry = document.createElement( 'select' ); shippingCountry.id = 'shipping_country'; const shippingOption = document.createElement( 'option' ); shippingOption.value = 'US'; shippingOption.selected = true; shippingCountry.appendChild( shippingOption ); shippingCountry.value = 'US'; const shippingAddress1 = document.createElement( 'input' ); shippingAddress1.id = 'shipping_address_1'; shippingAddress1.type = 'text'; const shippingCity = document.createElement( 'input' ); shippingCity.id = 'shipping_city'; shippingCity.type = 'text'; const shippingPostcode = document.createElement( 'input' ); shippingPostcode.id = 'shipping_postcode'; shippingPostcode.type = 'text'; const shippingState = document.createElement( 'input' ); shippingState.id = 'shipping_state'; shippingState.type = 'text'; // Create wrapper for shipping address const shippingWrapper = document.createElement( 'div' ); shippingWrapper.className = 'woocommerce-input-wrapper'; shippingWrapper.appendChild( shippingAddress1 ); form.appendChild( billingCountry ); form.appendChild( billingWrapper ); form.appendChild( billingCity ); form.appendChild( billingPostcode ); form.appendChild( billingState ); form.appendChild( shippingCountry ); form.appendChild( shippingWrapper ); form.appendChild( shippingCity ); form.appendChild( shippingPostcode ); form.appendChild( shippingState ); document.body.appendChild( form ); billingAddressInput = billingAddress1; shippingAddressInput = shippingAddress1; // Create mock provider mockProvider = { id: 'test-provider', canSearch: jest.fn( ( country ) => country === 'US' ), search: jest.fn( async ( query, country, type ) => [ { id: 'addr1', label: '123 Main Street, City, US', matchedSubstrings: [ { offset: 0, length: 3 } ], }, { id: 'addr2', label: '456 Oak Avenue, Town, US', matchedSubstrings: [ { offset: 0, length: 3 } ], }, ] ), select: jest.fn( async ( addressId ) => ( { address_1: '123 Main Street', city: 'City', postcode: '12345', country: 'US', state: 'CA', } ) ), }; // Reset modules and require fresh instance jest.resetModules(); require( '../address-autocomplete' ); // Register the mock provider window.wc.addressAutocomplete.registerAddressAutocompleteProvider( mockProvider ); // Trigger DOMContentLoaded event and wait for initialization const event = new Event( 'DOMContentLoaded' ); document.dispatchEvent( event ); // Wait a bit for DOM initialization to complete await new Promise( ( resolve ) => setTimeout( resolve, 10 ) ); } ); afterEach( () => { jest.clearAllMocks(); } ); describe( 'DOM Initialization', () => { test( 'should create suggestions container for address inputs', () => { const billingSuggestions = document.getElementById( 'address_suggestions_billing' ); const shippingSuggestions = document.getElementById( 'address_suggestions_shipping' ); expect( billingSuggestions ).toBeTruthy(); expect( shippingSuggestions ).toBeTruthy(); expect( billingSuggestions.className ).toBe( 'woocommerce-address-suggestions' ); expect( billingSuggestions.style.display ).toBe( 'none' ); expect( billingSuggestions.getAttribute( 'role' ) ).toBe( 'region' ); expect( billingSuggestions.getAttribute( 'aria-live' ) ).toBe( 'polite' ); // Check suggestions list const billingList = billingSuggestions.querySelector( '.suggestions-list' ); expect( billingList ).toBeTruthy(); expect( billingList.getAttribute( 'role' ) ).toBe( 'listbox' ); expect( billingList.getAttribute( 'aria-label' ) ).toBe( 'Address suggestions' ); // Check search icon container exists const billingIconContainer = document.querySelector( '.address-search-icon' ); expect( billingIconContainer ).toBeTruthy(); } ); test( 'should set active provider based on country value', () => { expect( window.wc.addressAutocomplete.activeProvider.billing ).toBe( mockProvider ); expect( window.wc.addressAutocomplete.activeProvider.shipping ).toBe( mockProvider ); } ); test( 'should add autocomplete-available class when provider is active', () => { const billingWrapper = billingAddressInput.closest( '.woocommerce-input-wrapper' ); const shippingWrapper = shippingAddressInput.closest( '.woocommerce-input-wrapper' ); expect( billingWrapper.classList.contains( 'autocomplete-available' ) ).toBe( true ); expect( shippingWrapper.classList.contains( 'autocomplete-available' ) ).toBe( true ); } ); } ); describe( 'Active Provider Management', () => { test( 'should set active provider when country matches canSearch criteria', () => { const billingCountry = document.getElementById( 'billing_country' ); billingCountry.value = 'US'; billingCountry.dispatchEvent( new Event( 'change' ) ); expect( mockProvider.canSearch ).toHaveBeenCalledWith( 'US' ); expect( window.wc.addressAutocomplete.activeProvider.billing ).toBe( mockProvider ); } ); test( 'should clear active provider when country does not match canSearch criteria', () => { const billingCountry = document.getElementById( 'billing_country' ); // Create new option and select it const frOption = document.createElement( 'option' ); frOption.value = 'FR'; billingCountry.appendChild( frOption ); billingCountry.value = 'FR'; billingCountry.dispatchEvent( new Event( 'change' ) ); expect( mockProvider.canSearch ).toHaveBeenCalledWith( 'FR' ); expect( window.wc.addressAutocomplete.activeProvider.billing ).toBe( null ); } ); test( 'should remove autocomplete-available class when no provider is active', () => { const billingCountry = document.getElementById( 'billing_country' ); const billingWrapper = billingAddressInput.closest( '.woocommerce-input-wrapper' ); billingCountry.value = 'FR'; billingCountry.dispatchEvent( new Event( 'change' ) ); expect( billingWrapper.classList.contains( 'autocomplete-available' ) ).toBe( false ); } ); test( 'should handle country change for both billing and shipping', () => { const billingCountry = document.getElementById( 'billing_country' ); const shippingCountry = document.getElementById( 'shipping_country' ); // Add FR option to billing const frOption = document.createElement( 'option' ); frOption.value = 'FR'; billingCountry.appendChild( frOption ); billingCountry.value = 'FR'; billingCountry.dispatchEvent( new Event( 'change' ) ); shippingCountry.dispatchEvent( new Event( 'change' ) ); expect( window.wc.addressAutocomplete.activeProvider.billing ).toBe( null ); expect( window.wc.addressAutocomplete.activeProvider.shipping ).toBe( mockProvider ); } ); } ); describe( 'Address Suggestions Display', () => { test( 'should not display suggestions for input less than 3 characters', async () => { billingAddressInput.value = 'ab'; billingAddressInput.dispatchEvent( new Event( 'input' ) ); // Wait for timeout await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsList = document.querySelector( '#address_suggestions_billing .suggestions-list' ); expect( suggestionsList.innerHTML ).toBe( '' ); expect( mockProvider.search ).not.toHaveBeenCalled(); } ); test( 'should hide suggestions when input goes from 3+ characters to less than 3', async () => { // First show suggestions with 3+ characters billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'block' ); // Now reduce to less than 3 characters billingAddressInput.value = '12'; billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); expect( suggestionsContainer.style.display ).toBe( 'none' ); } ); test( 'should display suggestions for input with 3 or more characters', async () => { billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); // Wait for timeout and async operations await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); expect( mockProvider.search ).toHaveBeenCalledWith( '123', 'US', 'billing' ); const suggestionsList = document.querySelector( '#address_suggestions_billing .suggestions-list' ); const suggestions = suggestionsList.querySelectorAll( 'li' ); expect( suggestions ).toHaveLength( 2 ); expect( suggestions[ 0 ].textContent ).toContain( '123 Main Street' ); expect( suggestions[ 1 ].textContent ).toContain( '456 Oak Avenue' ); } ); test( 'should highlight matched text in suggestions', async () => { billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsList = document.querySelector( '#address_suggestions_billing .suggestions-list' ); const firstSuggestion = suggestionsList.querySelector( 'li' ); const strongElement = firstSuggestion.querySelector( 'strong' ); expect( strongElement ).toBeTruthy(); expect( strongElement.textContent ).toBe( '123' ); } ); test( 'should limit suggestions to maximum of 5', async () => { // Mock provider to return more than 5 suggestions mockProvider.search.mockResolvedValue( Array.from( { length: 10 }, ( _, i ) => ( { id: `addr${ i }`, label: `${ i } Test Street`, matchedSubstrings: [], } ) ) ); billingAddressInput.value = 'test'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsList = document.querySelector( '#address_suggestions_billing .suggestions-list' ); const suggestions = suggestionsList.querySelectorAll( 'li' ); expect( suggestions ).toHaveLength( 5 ); } ); test( 'should hide suggestions when no results returned', async () => { mockProvider.search.mockResolvedValue( [] ); billingAddressInput.value = 'xyz'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'none' ); } ); test( 'should hide suggestions and log error when search throws exception', async () => { mockProvider.search.mockRejectedValue( new Error( 'Search failed' ) ); const consoleSpy = jest .spyOn( console, 'error' ) .mockImplementation( () => {} ); billingAddressInput.value = 'test'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'none' ); expect( consoleSpy ).toHaveBeenCalledWith( 'Address search error:', expect.any( Error ) ); consoleSpy.mockRestore(); } ); } ); describe( 'Keyboard Navigation', () => { beforeEach( async () => { // Setup suggestions billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); } ); test( 'should navigate down with ArrowDown key', () => { const suggestions = document.querySelectorAll( '#address_suggestions_billing .suggestions-list li' ); // No suggestion should be active initially expect( suggestions[ 0 ].classList.contains( 'active' ) ).toBe( false ); expect( suggestions[ 0 ].getAttribute( 'aria-selected' ) ).toBe( null ); // Press ArrowDown const keydownEvent = new KeyboardEvent( 'keydown', { key: 'ArrowDown', bubbles: true, } ); billingAddressInput.dispatchEvent( keydownEvent ); // First suggestion should now be active expect( suggestions[ 0 ].classList.contains( 'active' ) ).toBe( true ); expect( suggestions[ 0 ].getAttribute( 'aria-selected' ) ).toBe( 'true' ); expect( suggestions[ 1 ].classList.contains( 'active' ) ).toBe( false ); } ); test( 'should navigate up with ArrowUp key', () => { const suggestions = document.querySelectorAll( '#address_suggestions_billing .suggestions-list li' ); // Navigate to first item first let keydownEvent = new KeyboardEvent( 'keydown', { key: 'ArrowDown', bubbles: true, } ); billingAddressInput.dispatchEvent( keydownEvent ); // Navigate to second item keydownEvent = new KeyboardEvent( 'keydown', { key: 'ArrowDown', bubbles: true, } ); billingAddressInput.dispatchEvent( keydownEvent ); // Press ArrowUp keydownEvent = new KeyboardEvent( 'keydown', { key: 'ArrowUp', bubbles: true, } ); billingAddressInput.dispatchEvent( keydownEvent ); // First suggestion should be active again expect( suggestions[ 0 ].classList.contains( 'active' ) ).toBe( true ); expect( suggestions[ 1 ].classList.contains( 'active' ) ).toBe( false ); } ); test( 'should wrap around when navigating beyond bounds', () => { const suggestions = document.querySelectorAll( '#address_suggestions_billing .suggestions-list li' ); // Navigate to first item let keydownEvent = new KeyboardEvent( 'keydown', { key: 'ArrowDown', bubbles: true, } ); billingAddressInput.dispatchEvent( keydownEvent ); // Navigate to second (last) item keydownEvent = new KeyboardEvent( 'keydown', { key: 'ArrowDown', bubbles: true, } ); billingAddressInput.dispatchEvent( keydownEvent ); // Navigate beyond last item - should wrap to first keydownEvent = new KeyboardEvent( 'keydown', { key: 'ArrowDown', bubbles: true, } ); billingAddressInput.dispatchEvent( keydownEvent ); expect( suggestions[ 0 ].classList.contains( 'active' ) ).toBe( true ); expect( suggestions[ 1 ].classList.contains( 'active' ) ).toBe( false ); } ); test( 'should select address with Enter key', async () => { const suggestions = document.querySelectorAll( '#address_suggestions_billing .suggestions-list li' ); // Navigate to first suggestion first let keydownEvent = new KeyboardEvent( 'keydown', { key: 'ArrowDown', bubbles: true, } ); billingAddressInput.dispatchEvent( keydownEvent ); // Press Enter to select first suggestion keydownEvent = new KeyboardEvent( 'keydown', { key: 'Enter', bubbles: true, } ); billingAddressInput.dispatchEvent( keydownEvent ); // Wait for async operations await new Promise( ( resolve ) => setTimeout( resolve, 250 ) ); expect( mockProvider.select ).toHaveBeenCalledWith( 'addr1' ); // Suggestions should be hidden const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'none' ); } ); test( 'should hide suggestions with Escape key', () => { const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'block' ); // Press Escape const keydownEvent = new KeyboardEvent( 'keydown', { key: 'Escape', bubbles: true, } ); billingAddressInput.dispatchEvent( keydownEvent ); expect( suggestionsContainer.style.display ).toBe( 'none' ); } ); test( 'should not handle keyboard events when suggestions are hidden', () => { // Hide suggestions first const escapeEvent = new KeyboardEvent( 'keydown', { key: 'Escape', bubbles: true, } ); billingAddressInput.dispatchEvent( escapeEvent ); // Try to navigate with ArrowDown - should not throw error const arrowEvent = new KeyboardEvent( 'keydown', { key: 'ArrowDown', bubbles: true, } ); expect( () => { billingAddressInput.dispatchEvent( arrowEvent ); } ).not.toThrow(); } ); } ); describe( 'Address Selection', () => { test( 'should populate address fields when address is selected', async () => { // Setup suggestions billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); // Click on first suggestion const firstSuggestion = document.querySelector( '#address_suggestions_billing .suggestions-list li' ); firstSuggestion.click(); // Wait for async operations and timeout await new Promise( ( resolve ) => setTimeout( resolve, 250 ) ); expect( mockProvider.select ).toHaveBeenCalledWith( 'addr1' ); // Check that fields are populated expect( document.getElementById( 'billing_address_1' ).value ).toBe( '123 Main Street' ); expect( document.getElementById( 'billing_city' ).value ).toBe( 'City' ); expect( document.getElementById( 'billing_postcode' ).value ).toBe( '12345' ); expect( document.getElementById( 'billing_country' ).value ).toBe( 'US' ); expect( document.getElementById( 'billing_state' ).value ).toBe( 'CA' ); } ); test( 'should handle partial address data from provider', async () => { // Mock provider to return partial data mockProvider.select.mockResolvedValue( { address_1: '123 Main Street', city: 'City', // Missing postcode, country, state } ); billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const firstSuggestion = document.querySelector( '#address_suggestions_billing .suggestions-list li' ); firstSuggestion.click(); await new Promise( ( resolve ) => setTimeout( resolve, 250 ) ); // Only provided fields should be populated expect( document.getElementById( 'billing_address_1' ).value ).toBe( '123 Main Street' ); expect( document.getElementById( 'billing_city' ).value ).toBe( 'City' ); expect( document.getElementById( 'billing_postcode' ).value ).toBe( '' ); } ); test( 'should handle provider selection errors gracefully', async () => { mockProvider.select.mockRejectedValue( new Error( 'Selection failed' ) ); const consoleSpy = jest .spyOn( console, 'error' ) .mockImplementation( () => {} ); billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const firstSuggestion = document.querySelector( '#address_suggestions_billing .suggestions-list li' ); firstSuggestion.click(); await new Promise( ( resolve ) => setTimeout( resolve, 250 ) ); expect( consoleSpy ).toHaveBeenCalledWith( 'Error selecting address from provider', 'test-provider', expect.any( Error ) ); // Fields should remain unchanged expect( document.getElementById( 'billing_address_1' ).value ).toBe( '123' ); consoleSpy.mockRestore(); } ); test( 'should handle invalid address data from provider', async () => { mockProvider.select.mockResolvedValue( null ); billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const firstSuggestion = document.querySelector( '#address_suggestions_billing .suggestions-list li' ); firstSuggestion.click(); await new Promise( ( resolve ) => setTimeout( resolve, 250 ) ); // Fields should remain unchanged expect( document.getElementById( 'billing_address_1' ).value ).toBe( '123' ); } ); } ); describe( 'Browser Autofill Management', () => { test( 'should disable browser autofill when suggestions are shown', async () => { billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); expect( billingAddressInput.getAttribute( 'autocomplete' ) ).toBe( 'off' ); expect( billingAddressInput.getAttribute( 'data-lpignore' ) ).toBe( 'true' ); expect( billingAddressInput.getAttribute( 'data-op-ignore' ) ).toBe( 'true' ); expect( billingAddressInput.getAttribute( 'data-1p-ignore' ) ).toBe( 'true' ); } ); test( 'should enable browser autofill when suggestions are hidden', async () => { // First show suggestions billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); // Then hide them billingAddressInput.value = 'xy'; billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); expect( billingAddressInput.getAttribute( 'autocomplete' ) ).toBe( 'address-line1' ); expect( billingAddressInput.getAttribute( 'data-lpignore' ) ).toBe( 'false' ); } ); } ); describe( 'Security and Sanitization', () => { test( 'should sanitize input values for XSS protection', async () => { const maliciousInput = '<script>alert("xss")</script>'; const consoleSpy = jest .spyOn( console, 'warn' ) .mockImplementation( () => {} ); billingAddressInput.value = maliciousInput; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); expect( consoleSpy ).toHaveBeenCalledWith( 'Input was sanitized for security' ); expect( mockProvider.search ).toHaveBeenCalledWith( 'alert("xss")', 'US', 'billing' ); consoleSpy.mockRestore(); } ); test( 'should handle invalid match data safely', async () => { // Mock provider to return invalid match data mockProvider.search.mockResolvedValue( [ { id: 'addr1', label: '123 Main Street', matchedSubstrings: [ { offset: -1, length: 5 }, // Invalid offset { offset: 50, length: 10 }, // Offset beyond string length { offset: 0, length: -1 }, // Invalid length null, // Null match ], }, ] ); billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsList = document.querySelector( '#address_suggestions_billing .suggestions-list' ); const firstSuggestion = suggestionsList.querySelector( 'li' ); // Should still render the suggestion without highlighting expect( firstSuggestion.textContent ).toBe( '123 Main Street' ); expect( firstSuggestion.querySelector( 'strong' ) ).toBe( null ); } ); } ); describe( 'Click Outside Behavior', () => { test( 'should hide suggestions when clicking outside', async () => { // Show suggestions first billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'block' ); // Click outside const outsideElement = document.createElement( 'div' ); document.body.appendChild( outsideElement ); outsideElement.click(); expect( suggestionsContainer.style.display ).toBe( 'none' ); } ); test( 'should not hide suggestions when clicking inside suggestions container', async () => { // Show suggestions first billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'block' ); // Click inside suggestions container suggestionsContainer.click(); expect( suggestionsContainer.style.display ).toBe( 'block' ); } ); test( 'should not hide suggestions when clicking address input', async () => { // Show suggestions first billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'block' ); // Click on address input billingAddressInput.click(); expect( suggestionsContainer.style.display ).toBe( 'block' ); } ); } ); describe( 'Blur Event Behavior', () => { test( 'should hide suggestions when input loses focus', async () => { // Show suggestions first billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'block' ); // Blur the input billingAddressInput.dispatchEvent( new Event( 'blur' ) ); // Wait for blur timeout await new Promise( ( resolve ) => setTimeout( resolve, 250 ) ); expect( suggestionsContainer.style.display ).toBe( 'none' ); } ); test( 'should not refocus input when blurred with suggestions active', async () => { // Show suggestions first billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'block' ); // Create another element to focus const otherElement = document.createElement( 'input' ); document.body.appendChild( otherElement ); // Blur the address input and focus the other element billingAddressInput.blur(); otherElement.focus(); // Wait for blur timeout await new Promise( ( resolve ) => setTimeout( resolve, 250 ) ); // The other element should still be focused (address input shouldn't refocus) expect( document.activeElement ).toBe( otherElement ); expect( suggestionsContainer.style.display ).toBe( 'none' ); document.body.removeChild( otherElement ); } ); test( 'should not have blur event listener when suggestions are not shown', () => { // No suggestions should be shown initially const suggestionsContainer = document.getElementById( 'address_suggestions_billing' ); expect( suggestionsContainer.style.display ).toBe( 'none' ); // Blur the input - should not cause any issues expect( () => { billingAddressInput.dispatchEvent( new Event( 'blur' ) ); } ).not.toThrow(); } ); test( 'should enable browser autofill without refocusing when suggestions are hidden via blur', async () => { // Show suggestions first billingAddressInput.value = '123'; billingAddressInput.focus(); billingAddressInput.dispatchEvent( new Event( 'input' ) ); await new Promise( ( resolve ) => setTimeout( resolve, 150 ) ); // Verify autofill is disabled expect( billingAddressInput.getAttribute( 'autocomplete' ) ).toBe( 'off' ); // Blur the input billingAddressInput.dispatchEvent( new Event( 'blur' ) ); // Wait for blur timeout await new Promise( ( resolve ) => setTimeout( resolve, 250 ) ); // Autofill should be re-enabled expect( billingAddressInput.getAttribute( 'autocomplete' ) ).toBe( 'address-line1' ); expect( billingAddressInput.getAttribute( 'data-lpignore' ) ).toBe( 'false' ); } ); } ); } );
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