diff --git a/core/src/components/events.spec.ts b/core/src/components/events.spec.ts
new file mode 100644
index 0000000000..66d6167dcf
--- /dev/null
+++ b/core/src/components/events.spec.ts
@@ -0,0 +1,284 @@
+import {beforeEach, describe, expect, test, vi} from 'vitest';
+import type {PropsConfig} from '../types';
+import {createPagination} from './pagination';
+import {createRating} from './rating';
+import type {SelectState} from './select';
+import {createSelect} from './select';
+import type {SliderProps} from './slider';
+import {createSlider} from './slider';
+
+describe('Callback events', () => {
+	describe(`Select widget`, () => {
+		let container: HTMLElement;
+		let outsideElement: HTMLInputElement;
+		let selectInput: HTMLInputElement;
+		let selectWidget: ReturnType<typeof createSelect<string>>;
+		let state: SelectState<string>;
+
+		function userType(text: string) {
+			selectInput.value = text;
+			selectWidget.actions.onInput({target: selectInput});
+		}
+
+		const callbacks = {
+			onFilterTextChange: (text: string) => {},
+			onOpenChange: () => {},
+		};
+
+		beforeEach(() => {
+			container = document.createElement('div');
+			container.innerHTML = `
+				<input id="outside" />
+				<div id="selectContainer">
+					<input id="inside" />
+				</div>
+			`;
+			container = document.body.appendChild(container);
+			const selectContainer = container.querySelector('#selectContainer') as HTMLElement;
+			outsideElement = container.querySelector('#outside') as HTMLInputElement;
+			selectInput = container.querySelector('#inside') as HTMLInputElement;
+
+			// Callback with patch
+			callbacks.onFilterTextChange = (text: string) => selectWidget.patch({filterText: text.toUpperCase()});
+			callbacks.onOpenChange = () => {};
+
+			selectWidget = createSelect({
+				props: {
+					items: ['a1', 'a2', 'a3'],
+					onFilterTextChange: (text: string) => callbacks.onFilterTextChange(text),
+					onOpenChange: () => callbacks.onOpenChange(),
+				},
+			});
+			const {directives} = selectWidget;
+			const hasFocusDirective = directives.hasFocusDirective(selectContainer);
+			const inputContainerDirective = directives.inputContainerDirective(selectContainer);
+
+			// Subscription here to ensure that everything is computed
+			const unsubscribe = selectWidget.state$.subscribe((pState) => {
+				state = pState;
+			});
+
+			return () => {
+				unsubscribe();
+				container.parentElement?.removeChild(container);
+				hasFocusDirective?.destroy?.();
+				inputContainerDirective?.destroy?.();
+			};
+		});
+
+		test('User types in the input', () => {
+			const onFilterTextChangeSpy = vi.spyOn(callbacks, 'onFilterTextChange');
+			const onOpenChangeSpy = vi.spyOn(callbacks, 'onOpenChange');
+
+			vi.clearAllMocks();
+			selectInput.focus();
+			userType('a');
+			selectWidget.actions.onInput({target: selectInput});
+			expect(state.filterText).toBe('A');
+			expect(onOpenChangeSpy).toHaveBeenCalledTimes(1);
+			expect(onFilterTextChangeSpy).toHaveBeenCalledTimes(2); // ??? Should be 0 here ?
+
+			vi.clearAllMocks();
+			outsideElement.focus();
+			expect(onOpenChangeSpy).toHaveBeenCalledTimes(1);
+			expect(onFilterTextChangeSpy).toHaveBeenCalledTimes(0);
+
+			vi.resetAllMocks();
+		});
+
+		test('Close programmatically', () => {
+			const onOpenChangeSpy = vi.spyOn(callbacks, 'onOpenChange');
+
+			vi.clearAllMocks();
+			selectInput.focus();
+			userType('a');
+			selectWidget.actions.onInput({target: selectInput});
+			expect(onOpenChangeSpy).toHaveBeenCalledTimes(1);
+
+			vi.clearAllMocks();
+			selectWidget.api.close();
+			expect(onOpenChangeSpy).toHaveBeenCalledTimes(1); // Should be 0, or is it fine ?
+
+			vi.resetAllMocks();
+		});
+	});
+
+	describe(`Rating widget`, () => {
+		let ratingWidget: ReturnType<typeof createRating>;
+
+		const callbacks = {
+			onRatingChange: (_value: number) => {},
+		};
+
+		beforeEach(() => {
+			ratingWidget = createRating({
+				props: {
+					onRatingChange: (value) => callbacks.onRatingChange(value),
+				},
+			});
+			// Subscription here to ensure that everything is computed
+			const unsubscribe = ratingWidget.state$.subscribe(() => {});
+
+			return () => {
+				unsubscribe();
+			};
+		});
+
+		test('Changing rating value', () => {
+			const onRatingChangeSpy = vi.spyOn(callbacks, 'onRatingChange');
+
+			ratingWidget.actions.click(10);
+			expect(onRatingChangeSpy).toHaveBeenCalledTimes(1);
+
+			vi.clearAllMocks();
+			ratingWidget.patch({maxRating: 20});
+			expect(onRatingChangeSpy).toHaveBeenCalledTimes(0); // Visual value doesn't change
+
+			vi.clearAllMocks();
+			ratingWidget.patch({maxRating: 5});
+			expect(onRatingChangeSpy).toHaveBeenCalledTimes(0); // Visual value changed from 10 to 5, should it be emitted ?
+
+			ratingWidget.patch({maxRating: 15});
+			expect(onRatingChangeSpy).toHaveBeenCalledTimes(0); // Visual value changed from 5 to 10, should it be emitted ?
+
+			vi.resetAllMocks();
+		});
+	});
+
+	describe(`Two paginations linked to the same value`, () => {
+		let paginationWidget1: ReturnType<typeof createPagination>;
+		let paginationWidget2: ReturnType<typeof createPagination>;
+
+		const callbacks1 = {
+			onPageChange: (page: number) => {
+				paginationWidget2.patch({page});
+			},
+		};
+
+		const callbacks2 = {
+			onPageChange: (page: number) => {
+				paginationWidget1.patch({page});
+			},
+		};
+
+		beforeEach(() => {
+			paginationWidget1 = createPagination({
+				props: {
+					pageSize: 1,
+					collectionSize: 10,
+					onPageChange: (value) => callbacks1.onPageChange(value),
+				},
+			});
+			paginationWidget2 = createPagination({
+				props: {
+					pageSize: 1,
+					collectionSize: 10,
+					onPageChange: (value) => callbacks2.onPageChange(value),
+				},
+			});
+			// Subscription here to ensure that everything is computed
+			const unsubscribe1 = paginationWidget1.state$.subscribe(() => {});
+			const unsubscribe2 = paginationWidget2.state$.subscribe(() => {});
+
+			return () => {
+				unsubscribe1();
+				unsubscribe2();
+			};
+		});
+
+		test('click on page 2', () => {
+			const onPageChangeSpy1 = vi.spyOn(callbacks1, 'onPageChange');
+			const onPageChangeSpy2 = vi.spyOn(callbacks2, 'onPageChange');
+
+			vi.clearAllMocks();
+			paginationWidget1.actions.select(2); // User click on pagination 1, page 2
+			expect(paginationWidget1.stores.page$()).toBe(2);
+			expect(paginationWidget2.stores.page$()).toBe(2);
+
+			expect(onPageChangeSpy1).toHaveBeenCalledTimes(1); // Should be 0 ?
+			expect(onPageChangeSpy2).toHaveBeenCalledTimes(0); // Should be 1 ?
+		});
+	});
+
+	describe(`Two sliders linked to the same array of values`, () => {
+		let sliderWidget1: ReturnType<typeof createSlider>;
+		let sliderWidget2: ReturnType<typeof createSlider>;
+
+		const callbacks1 = {
+			onValuesChange: (values) => {
+				// Simulate that the two sliders are bound to the same values
+				sliderWidget2.patch({values});
+			},
+		};
+
+		const callbacks2 = {
+			onValuesChange: (values) => {
+				// Simulate that the two sliders are bound to the same values
+				sliderWidget1.patch({values});
+			},
+		};
+
+		function createSliderWidget(propsConfig: PropsConfig<SliderProps>) {
+			const sliderElement = document.createElement('div');
+			vi.spyOn(sliderElement, 'getBoundingClientRect').mockReturnValue({x: 10, y: 0, width: 100, height: 4, top: 0, left: 0} as DOMRect);
+			const minLabel = document.createElement('div');
+			vi.spyOn(minLabel, 'getBoundingClientRect').mockReturnValue({x: 10, y: 5, width: 3, height: 4} as DOMRect);
+			const maxLabel = document.createElement('div');
+			vi.spyOn(maxLabel, 'getBoundingClientRect').mockReturnValue({x: 100, y: 5, width: 3, height: 4} as DOMRect);
+
+			const slider = createSlider(propsConfig);
+			const sliderDirective = slider.directives.sliderDirective(sliderElement)!;
+			const minLabelDirective = slider.directives.minLabelDirective(minLabel)!;
+			const maxLabelDirective = slider.directives.maxLabelDirective(maxLabel)!;
+			const unsubscribe = slider.state$.subscribe(() => {});
+
+			return {
+				slider,
+				destroy() {
+					sliderDirective.destroy?.();
+					minLabelDirective.destroy?.();
+					maxLabelDirective.destroy?.();
+					unsubscribe();
+				},
+			};
+		}
+
+		beforeEach(() => {
+			const slider1 = createSliderWidget({
+				props: {
+					min: 0,
+					max: 10,
+					values: [5],
+					onValuesChange: (values) => callbacks1.onValuesChange(values),
+				},
+			});
+			sliderWidget1 = slider1.slider;
+			const destroySlider1 = slider1.destroy;
+
+			const slider2 = createSliderWidget({
+				props: {
+					min: 0,
+					max: 10,
+					values: [5],
+					onValuesChange: (values) => callbacks2.onValuesChange(values),
+				},
+			});
+			sliderWidget2 = slider2.slider;
+			const destroySlider2 = slider2.destroy;
+
+			return () => {
+				destroySlider1();
+				destroySlider2();
+			};
+		});
+
+		test('change values on slider 1', () => {
+			const onValuesChangeSpy1 = vi.spyOn(callbacks1, 'onValuesChange');
+			const onValuesChangeSpy2 = vi.spyOn(callbacks2, 'onValuesChange');
+
+			sliderWidget1.actions.click(new MouseEvent('click', {clientX: 10}));
+			expect(onValuesChangeSpy1).toHaveBeenCalledTimes(1); // Should be 0 ?
+			expect(onValuesChangeSpy2).toHaveBeenCalledTimes(0); // Should be 1 ?
+		});
+	});
+});