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API Reference

Complete API reference for @wdio/dioxus-service.

browser.dioxus API​

The following methods are available on the browser.dioxus object when connected to a Dioxus app.

browser.dioxus.execute(script, ...args)​

Execute JavaScript code in the Dioxus webview context with access to Dioxus IPC APIs. Requires wdio-dioxus-bridge to be installed and configured in your app.

Parameters:

  • script (Function | string) - JavaScript code to execute. If a function, receives a DioxusAPIs object (dx) as the first parameter
  • ...args (any[]) - Additional arguments passed to the script

Returns: Promise\<ReturnValue>

DioxusAPIs (dx) object:

interface DioxusAPIs {
  invoke: (command: string, args?: unknown) => Promise<unknown>;
  log?: {
    trace: (msg: string) => void;
    debug: (msg: string) => void;
    info: (msg: string) => void;
    warn: (msg: string) => void;
    error: (msg: string) => void;
  };
}

Example:

// Execute with destructured DioxusAPIs
const result = await browser.dioxus.execute(({ invoke }) => {
  return invoke('get_platform_info');
});

// Execute with full DioxusAPIs object
const greeting = await browser.dioxus.execute(async (dx) => {
  return dx.invoke('greet', { name: 'World' });
});

// Execute with arguments
const result = await browser.dioxus.execute(
  (dx, name) => dx.invoke('greet', { name }),
  'World'
);

// Execute string of code
const href = await browser.dioxus.execute('window.location.href');

Note: Requires wdio-dioxus-bridge to be installed. See Bridge Setup.

browser.dioxus.mock(command)​

Mock a specific Dioxus backend command. Returns a DioxusMock object for configuring the mock behavior.

Parameters:

  • command (string) - Name of the Dioxus command to mock (must match what your app passes to invoke())

Returns: Promise\<DioxusMock>

Example:

const mock = await browser.dioxus.mock('read_file');
await mock.mockReturnValue('mocked file content');

// Now calling invoke('read_file', ...) returns 'mocked file content'
const content = await browser.dioxus.execute(({ invoke }) => invoke('read_file'));
expect(content).toBe('mocked file content');

browser.dioxus.isMockFunction(fn)​

Check if a value is a Dioxus mock function. This is a TypeScript type guard.

Parameters:

  • fn (unknown) - Value to check

Returns: boolean (type narrows to DioxusMockInstance when true)

Example:

const mock = await browser.dioxus.mock('clipboard_read');
if (browser.dioxus.isMockFunction(mock)) {
  // TypeScript knows mock is DioxusMockInstance here
  expect(mock.mock.calls).toHaveLength(1);
}

browser.dioxus.clearAllMocks(commandPrefix?)​

Clear all mock call history and reset results, but keep the mock implementations in place.

Parameters:

  • commandPrefix (string, optional) - If provided, only mocks with command names starting with this prefix will be cleared

Returns: Promise\<void>

Example:

// Clear all mocks
await browser.dioxus.clearAllMocks();

// Clear only clipboard-related mocks
await browser.dioxus.clearAllMocks('clipboard');

browser.dioxus.resetAllMocks(commandPrefix?)​

Reset all mocks to their initial state (clears implementations and call history).

Parameters:

  • commandPrefix (string, optional) - If provided, only mocks with matching prefix are reset

Returns: Promise\<void>

browser.dioxus.restoreAllMocks(commandPrefix?)​

Remove all mocks and restore original command implementations.

Parameters:

  • commandPrefix (string, optional) - If provided, only mocks with matching prefix are restored

Returns: Promise\<void>

Example:

await browser.dioxus.restoreAllMocks();
// Commands now call the real Dioxus backend again

browser.dioxus.switchWindow(label)​

Switch the active Dioxus window for subsequent operations. Changes the window that browser.dioxus.execute() and other Dioxus-specific operations target.

Parameters:

  • label (string) - The window label to switch to (e.g., 'main', 'settings')

Returns: Promise\<void>

Example:

// Switch to the settings window
await browser.dioxus.switchWindow('settings');

// Now executes in the settings window context
const data = await browser.dioxus.execute(({ invoke }) => invoke('get_settings'));

// Switch back to main window
await browser.dioxus.switchWindow('main');

Note: The window label must exist in your Dioxus app. Use browser.dioxus.listWindows() to get available labels.

browser.dioxus.listWindows()​

Get a list of all available Dioxus window labels in the application.

Returns: Promise\<string[]>

Example:

const windows = await browser.dioxus.listWindows();
console.log(windows); // ['main', 'settings', 'dialog']

browser.dioxus.triggerDeeplink(url)​

Trigger a deeplink to the Dioxus application for testing protocol handlers. Uses platform-specific commands (open on macOS, xdg-open on Linux, cmd /c start on Windows).

Parameters:

  • url (string) - The deeplink URL to trigger (e.g., 'myapp://open?file=test.txt')

Returns: Promise\<void>

Example:

await browser.dioxus.triggerDeeplink('myapp://open?file=test.txt');

await browser.waitUntil(async () => {
  const openedFile = await browser.dioxus.execute(() => {
    return globalThis.lastOpenedFile;
  });
  return openedFile === 'test.txt';
});

See Deeplink Testing for the full usage guide.

Note: emitEvent is deferred to v1.1.

DioxusMock Interface​

When you call browser.dioxus.mock(command), you receive a DioxusMock object with these methods:

mockImplementation(fn)​

Set a custom implementation function for the mock.

Returns: Promise\<DioxusMock>

Example:

const mock = await browser.dioxus.mock('calculate');
await mock.mockImplementation(async (args) => args.x + args.y);

const result = await browser.dioxus.execute(({ invoke }) => invoke('calculate', { x: 5, y: 3 }));
// result === 8

mockImplementationOnce(fn)​

Set a custom implementation for the next call only.

Returns: Promise\<DioxusMock>

mockReturnValue(value)​

Set the mock to always return a specific value.

Returns: Promise\<DioxusMock>

Example:

const mock = await browser.dioxus.mock('get_user');
await mock.mockReturnValue({ id: 1, name: 'John' });

mockReturnValueOnce(value)​

Set the mock to return a specific value for the next call only.

Returns: Promise\<DioxusMock>

Example:

const mock = await browser.dioxus.mock('counter');
await mock.mockReturnValueOnce(1);
await mock.mockReturnValueOnce(2);
await mock.mockReturnValue(3); // default for subsequent calls

mockResolvedValue(value)​

Set the mock to return a promise that resolves to the given value.

Returns: Promise\<DioxusMock>

mockResolvedValueOnce(value)​

Set the mock to resolve to a value for the next call only.

Returns: Promise\<DioxusMock>

mockRejectedValue(error)​

Set the mock to return a promise that rejects with an error.

Returns: Promise\<DioxusMock>

Example:

const mock = await browser.dioxus.mock('risky_operation');
await mock.mockRejectedValue(new Error('Operation failed'));

mockRejectedValueOnce(error)​

Set the mock to reject for the next call only.

Returns: Promise\<DioxusMock>

mockClear()​

Clear the call history of this mock without resetting its implementation.

Returns: Promise\<DioxusMock>

mockReset()​

Reset the mock to its initial state (clears both implementation and call history).

Returns: Promise\<DioxusMock>

mockRestore()​

Remove this mock and restore the original command implementation.

Returns: Promise\<DioxusMock>

mockReturnThis()​

Set the mock to return this when called.

Returns: Promise\<DioxusMock>

mockName(name) / getMockName()​

Set or get a display name for the mock (useful for debugging).

getMockImplementation()​

Get the current implementation function of the mock.

update()​

Sync mock call data from the inner mock (app context) to the outer mock (test process).

Returns: Promise\<DioxusMock>

withImplementation(implFn, callbackFn)​

Temporarily use a different implementation for the duration of a callback.

Example:

const mock = await browser.dioxus.mock('my_command');
await mock.mockReturnValue('default');

await mock.withImplementation(
  () => 'temporary',
  async () => {
    const result = await browser.dioxus.execute(({ invoke }) => invoke('my_command'));
    console.log(result); // 'temporary'
  }
);

const result = await browser.dioxus.execute(({ invoke }) => invoke('my_command'));
console.log(result); // 'default'

Mock Properties​

  • mock.mock.calls - Array of call arguments
  • mock.mock.results - Array of call results
  • __isDioxusMock - Boolean flag identifying Dioxus mocks

Package Exports​

startWdioSession(capabilities, globalOptions?)​

Initialize the Dioxus service in standalone mode. Use this when you want to manage the session manually outside of WebdriverIO's lifecycle.

Parameters:

  • capabilities (Capabilities) - WebdriverIO capabilities with Dioxus options
  • globalOptions? (DioxusServiceGlobalOptions) - Global service options

Returns: Promise\<Browser>

Example:

import { startWdioSession } from '@wdio/dioxus-service';

const browser = await startWdioSession({
  browserName: 'dioxus',
  'dioxus:options': {
    application: './target/debug/my_app'
  }
});

// Use browser...
await browser.deleteSession();

Exported Types​

DioxusCapabilities​

interface DioxusCapabilities extends WebdriverIO.Capabilities {
  browserName?: 'dioxus';
  'dioxus:options'?: {
    application: string;
    args?: string[];
    webviewOptions?: {
      width?: number;
      height?: number;
    };
  };
  'wdio:dioxusServiceOptions'?: DioxusServiceOptions;
}

DioxusServiceOptions​

interface DioxusServiceOptions {
  mode?: 'native' | 'browser';
  devServerUrl?: string;
  driverProvider?: 'external' | 'embedded';
  dioxusDriverPort?: number;
  dioxusDriverPath?: string;
  embeddedPort?: number;
  appBinaryPath?: string;
  appArgs?: string[];
  env?: Record<string, string>;
  autoInstallDioxusDriver?: boolean;
  autoDownloadEdgeDriver?: boolean;
  windowLabel?: string;
  captureBackendLogs?: boolean;
  captureFrontendLogs?: boolean;
  backendLogLevel?: 'trace' | 'debug' | 'info' | 'warn' | 'error';
  frontendLogLevel?: 'trace' | 'debug' | 'info' | 'warn' | 'error';
  startTimeout?: number;
  statusPollTimeout?: number;
  clearMocks?: boolean;
  clearMocksPrefix?: string;
  resetMocks?: boolean;
  resetMocksPrefix?: string;
  restoreMocks?: boolean;
  restoreMocksPrefix?: string;
}

DioxusResult\<T>​

Uses the standard Result pattern:

type DioxusResult<T = unknown> = { ok: true; value: T } | { ok: false; error: string };

// Usage
if (result.ok) {
  console.log(result.value);
} else {
  console.error(result.error);
}

Notes​

  • All browser.dioxus.* methods require wdio-dioxus-bridge to be installed in the Dioxus app. See Bridge Setup.
  • Mocking requires the bridge for invoke interception to work.
  • triggerDeeplink requires your app to register a custom URL scheme.
  • emitEvent is deferred to v1.1.
  • For detailed configuration examples, see Configuration.

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