1 files changed, 65 insertions, 0 deletions
diff --git a/addons/point_of_sale/static/tests/unit/test_NumberBuffer.js b/addons/point_of_sale/static/tests/unit/test_NumberBuffer.js
new file mode 100644
index 00000000..1e9da1e6
--- /dev/null
+++ b/addons/point_of_sale/static/tests/unit/test_NumberBuffer.js
@@ -0,0 +1,65 @@
+odoo.define('point_of_sale.tests.NumberBuffer', function(require) {
+    'use strict';
+
+    const { Component, useState } = owl;
+    const { xml } = owl.tags;
+    const NumberBuffer = require('point_of_sale.NumberBuffer');
+    const makeTestEnvironment = require('web.test_env');
+    const testUtils = require('web.test_utils');
+
+    QUnit.module('unit tests for NumberBuffer', {
+        before() {},
+    });
+
+    QUnit.test('simple fast inputs with capture in between', async function(assert) {
+        assert.expect(3);
+
+        class Root extends Component {
+            constructor() {
+                super();
+                this.state = useState({ buffer: '' });
+                NumberBuffer.activate();
+                NumberBuffer.use({
+                    nonKeyboardInputEvent: 'numpad-click-input',
+                    state: this.state,
+                });
+            }
+            resetBuffer() {
+                NumberBuffer.capture();
+                NumberBuffer.reset();
+            }
+        }
+        Root.env = makeTestEnvironment();
+        Root.template = xml/* html */ `
+            <div>
+                <p><t t-esc="state.buffer" /></p>
+                <button class="one" t-on-click="trigger('numpad-click-input', { key: '1' })">1</button>
+                <button class="two" t-on-click="trigger('numpad-click-input', { key: '2' })">2</button>
+                <button class="reset" t-on-click="resetBuffer">reset</button>
+            </div>
+        `;
+
+        const root = new Root();
+        await root.mount(testUtils.prepareTarget());
+
+        const oneButton = root.el.querySelector('button.one');
+        const twoButton = root.el.querySelector('button.two');
+        const resetButton = root.el.querySelector('button.reset');
+        const bufferEl = root.el.querySelector('p');
+
+        testUtils.dom.click(oneButton);
+        testUtils.dom.click(twoButton);
+        await testUtils.nextTick();
+        assert.strictEqual(bufferEl.textContent, '12');
+        testUtils.dom.click(resetButton);
+        await testUtils.nextTick();
+        assert.strictEqual(bufferEl.textContent, '');
+        testUtils.dom.click(twoButton);
+        testUtils.dom.click(oneButton);
+        await testUtils.nextTick();
+        assert.strictEqual(bufferEl.textContent, '21');
+
+        root.unmount();
+        root.destroy();
+    });
+});