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Overview

The mouseUp() method releases the mouse button, completing a drag operation or custom mouse gesture that was started with mouseDown(). You can call it without parameters to release at the current mouse position.

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Syntax

// Release mouse button at current position
await ai.mouseUp();

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Parameters

None. The mouse button is released at the current cursor position.

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Returns

Returns a Promise<void> that resolves when the mouse button is released.

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Examples

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Complete Drag and Drop

// Start dragging
await ai.mouseDown('file to drag');

// Move to drop location
await ai.hover('target folder');

// Complete the drop
await ai.mouseUp();

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Selecting Multiple Files

import { test } from 'vitest';
import { vscode } from '@testdriver/sdk';

test('selects range of files', async () => {
  const { ai } = await vscode();
  
  // Click first file
  await ai.click('first-file.js in explorer');
  
  // Hold shift and click last file
  await ai.pressKeys('Shift');
  await ai.mouseDown('last-file.js in explorer');
  await ai.mouseUp();
  
  // Verify multiple files selected
  const selectedCount = await ai.find('status bar showing file count');
  expect(selectedCount.text).toContain('5 files');
});

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Drawing Application

test('draws a shape', async () => {
  const { ai } = await chrome('https://drawing-app.example.com');
  
  // Select pencil tool
  await ai.click('pencil tool');
  
  // Draw a line
  await ai.mouseDown('canvas near top-left');
  await ai.hover('canvas center');
  await ai.hover('canvas bottom-right');
  await ai.mouseUp();
  
  // Verify drawing exists
  const strokes = await ai.exec('canvas.getContext("2d").getImageData(0,0,100,100)');
  expect(strokes).toBeTruthy();
});

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Resizing Window Panels

test('resizes editor panel', async () => {
  const { ai } = await vscode();
  
  // Grab the divider
  await ai.mouseDown('panel resize divider');
  
  // Drag to new position
  await ai.hover('position 400 pixels from left');
  
  // Release to complete resize
  await ai.mouseUp();
  
  // Verify new panel size
  const panel = await ai.find('editor panel');
  expect(panel.width).toBeGreaterThan(350);
});

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Drag to Reorder List Items

import { test } from 'vitest';
import { chrome } from '@testdriver/sdk';

test('reorders tasks in list', async () => {
  const { ai } = await chrome('https://todo-app.example.com');
  
  // Start dragging first task
  await ai.mouseDown('drag handle on first task');
  
  // Move down to third position
  await ai.hover('third task position');
  
  // Drop the task
  await ai.mouseUp();
  
  // Verify new order
  const thirdTask = await ai.find('third task in list');
  expect(thirdTask.text).toContain('Original first task');
});

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Text Selection with Mouse

test('selects text with mouse drag', async () => {
  const { ai } = await chrome('https://document.example.com');
  
  // Start selection at beginning of word
  await ai.mouseDown('start of "TestDriver" word');
  
  // Drag to end of word
  await ai.hover('end of "TestDriver" word');
  
  // Complete selection
  await ai.mouseUp();
  
  // Verify selection
  const selection = await ai.exec('window.getSelection().toString()');
  expect(selection).toBe('TestDriver');
});

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Important Notes

  • mouseUp() must be preceded by mouseDown() to have an effect
  • Releases the button at the current cursor position
  • Completes any drag or selection operation that was in progress
  • For simple clicks, use click() instead of mouseDown/mouseUp pair