Extra tests for search events

Author: pozil

src/main/default/lwc/lookup/__tests__/lookupEventFiring.test.js

@@ -1,6 +1,7 @@
 import { createElement } from 'lwc';
 import Lookup from 'c/lookup';
 
+const SAMPLE_SEARCH_TOO_SHORT = 'A ';
 const SAMPLE_SEARCH_RAW = 'Sample search* ';
 const SAMPLE_SEARCH_CLEAN = 'sample search';
 const SAMPLE_SEARCH_ITEMS = [
@@ -55,4 +56,62 @@ describe('c-lookup event fires', () => {
             selectedIds: ['id1', 'id2']
         });
     });
+
+    it('search event does not fires when search term is too short', () => {
+        jest.useFakeTimers();
+
+        // Create element with mock search handler
+        const mockSearchFn = jest.fn();
+        const element = createElement('c-lookup', {
+            is: Lookup
+        });
+        element.addEventListener('search', mockSearchFn);
+        document.body.appendChild(element);
+
+        // Set search term and force input change
+        const searchInput = element.shadowRoot.querySelector('input');
+        searchInput.value = SAMPLE_SEARCH_TOO_SHORT;
+        searchInput.dispatchEvent(new CustomEvent('input'));
+
+        // Disable search throttling
+        jest.runAllTimers();
+
+        // Check that search event wasn't fired
+        expect(mockSearchFn).not.toBeCalled();
+    });
+
+    it('search event does not fires twice when search term matches clean search term', () => {
+        jest.useFakeTimers();
+
+        // Create element with mock search handler
+        const mockSearchFn = jest.fn();
+        const element = createElement('c-lookup', {
+            is: Lookup
+        });
+        element.addEventListener('search', mockSearchFn);
+        document.body.appendChild(element);
+
+        // Set search term and force input change
+        const searchInput = element.shadowRoot.querySelector('input');
+        searchInput.value = SAMPLE_SEARCH_RAW;
+        searchInput.dispatchEvent(new CustomEvent('input'));
+
+        // Disable search throttling
+        jest.runAllTimers();
+
+        // Update search term
+        searchInput.value = SAMPLE_SEARCH_CLEAN;
+        searchInput.dispatchEvent(new CustomEvent('input'));
+
+        // Disable search throttling
+        jest.runAllTimers();
+
+        // Check fired search event
+        expect(mockSearchFn).toHaveBeenCalledTimes(1);
+        const searchEvent = mockSearchFn.mock.calls[0][0];
+        expect(searchEvent.detail).toEqual({
+            searchTerm: SAMPLE_SEARCH_CLEAN,
+            selectedIds: []
+        });
+    });
 });