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#6541·tauri

[bug] tauri-driver errors when trying .click(), .setValue()

Author: SheapCreated Mar 24, 2023Updated Sep 13, 2026
Labelstype: bugscope: webdriverstatus: needs triage

Describe the bug

When trying to use webdriver.io for e2e testing, many basic functions do not work, and simply return Request failed with status 500 due to unsupported operation: unknown error

There are workarounds (using browser.execute, but having to manually replace these basic functions is tedious, and they are not exactly the same behaviourally.

Reproduction

  1. extend hello_tauri with a button which changes it's contents on click:
    <script type="text/javascript">
        function handleClick() {
            document.getElementById("click-test").innerHTML = "Thank you"
        }
    </script>
...
    <button id="click-test" onClick="handleClick()">Click me</button>
  1. Add a test for this button:
  it("should click button", async () => {
    const button = await $("#click-test");
    await button.waitForClickable();
    await button.click();
    expect(button.getText()).toMatch("Thank you");
  });

Expected behavior

The test should pass

Platform and versions

Environment
  › OS: Fedora 37 X64
  › Node.js: 18.14.2
  › npm: 9.5.0
  › pnpm: 7.27.0
  › yarn: 1.22.19
  › rustup: 1.25.2
  › rustc: 1.67.1
  › cargo: 1.67.1
  › Rust toolchain: stable-x86_64-unknown-linux-gnu

Packages
  › @tauri-apps/cli [NPM]: 2.0.0-alpha.2
  › @tauri-apps/api [NPM]: Not installed!
  › tauri [RUST]: 1.0.0-rc.3,
  › tauri-build [RUST]: 1.0.0-rc.3,
  › tao [RUST]: 0.6.2,
  › wry [RUST]: 0.13.2,

App
  › build-type: build
  › CSP: unset
  › distDir: dist
  › devPath: dist

App directory structure
  ├─ selenium
  ├─ webdriverio
  └─ node_modules

Stack trace

[0-0] 2023-03-24T08:12:25.996Z INFO webdriver: RESULT true
[0-0] 2023-03-24T08:12:25.996Z INFO webdriver: COMMAND elementClick("node-2E82D59D-A27A-4CAD-AE82-37C8E442F334")
[0-0] 2023-03-24T08:12:25.997Z INFO webdriver: [POST] http://127.0.0.1:4444/session/5194703d-38d0-477a-ae51-a9495d5fa0cd/element/node-2E82D59D-A27A-4CAD-AE82-37C8E442F334/click
[0-0] 2023-03-24T08:12:26.001Z WARN webdriver: Request failed with status 500 due to unknown error
[0-0] 2023-03-24T08:12:26.001Z INFO webdriver: Retrying 1/3
[0-0] 2023-03-24T08:12:26.001Z INFO webdriver: [POST] http://127.0.0.1:4444/session/5194703d-38d0-477a-ae51-a9495d5fa0cd/element/node-2E82D59D-A27A-4CAD-AE82-37C8E442F334/click
[0-0] 2023-03-24T08:12:26.044Z WARN webdriver: Request failed with status 500 due to unknown error
[0-0] 2023-03-24T08:12:26.044Z INFO webdriver: Retrying 2/3
[0-0] 2023-03-24T08:12:26.044Z INFO webdriver: [POST] http://127.0.0.1:4444/session/5194703d-38d0-477a-ae51-a9495d5fa0cd/element/node-2E82D59D-A27A-4CAD-AE82-37C8E442F334/click
[0-0] 2023-03-24T08:12:26.048Z WARN webdriver: Request failed with status 500 due to unknown error
[0-0] 2023-03-24T08:12:26.048Z INFO webdriver: Retrying 3/3
[0-0] 2023-03-24T08:12:26.048Z INFO webdriver: [POST] http://127.0.0.1:4444/session/5194703d-38d0-477a-ae51-a9495d5fa0cd/element/node-2E82D59D-A27A-4CAD-AE82-37C8E442F334/click
[0-0] 2023-03-24T08:12:26.093Z ERROR webdriver: Request failed with status 500 due to unsupported operation: unknown error
[0-0] unsupported operation in "Hello Tauri should click button"
unsupported operation: unknown error
    at Object.getErrorFromResponseBody (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/webdriver/build/utils.js:189:12)
    at NodeJSRequest._request (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/webdriver/build/request/index.js:157:31)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async Element.wrapCommandFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/utils/build/shim.js:103:29)
    at async Element.wrapCommandFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/utils/build/shim.js:103:29)
    at async Element.elementErrorHandlerCallbackFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/runner/node_modules/webdriverio/build/middlewares.js:23:32)
    at async Element.wrapCommandFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/utils/build/shim.js:103:29)
    at async Element.wrapCommandFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/utils/build/shim.js:103:29)
    at async Element.elementErrorHandlerCallbackFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/runner/node_modules/webdriverio/build/middlewares.js:23:32)
    at async Element.wrapCommandFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/utils/build/shim.js:103:29)
[0-0] 2023-03-24T08:12:26.095Z INFO webdriver: COMMAND deleteSession()
[0-0] 2023-03-24T08:12:26.095Z INFO webdriver: [DELETE] http://127.0.0.1:4444/session/5194703d-38d0-477a-ae51-a9495d5fa0cd
[0-0] FAILED in undefined - /test/specs/example.e2e.js
2023-03-24T08:12:26.214Z INFO @wdio/cli:launcher: Run onComplete hook

 "spec" Reporter:
------------------------------------------------------------------
[wry 0.13.2 linux #0-0] Running: wry (v0.13.2) on linux
[wry 0.13.2 linux #0-0] Session ID: 5194703d-38d0-477a-ae51-a9495d5fa0cd
[wry 0.13.2 linux #0-0]
[wry 0.13.2 linux #0-0] » /test/specs/example.e2e.js
[wry 0.13.2 linux #0-0] Hello Tauri
[wry 0.13.2 linux #0-0]    ✓ should be cordial
[wry 0.13.2 linux #0-0]    ✓ should be excited
[wry 0.13.2 linux #0-0]    ✓ should be easy on the eyes
[wry 0.13.2 linux #0-0]    ✖ should click button
[wry 0.13.2 linux #0-0]
[wry 0.13.2 linux #0-0] 3 passing (460ms)
[wry 0.13.2 linux #0-0] 1 failing
[wry 0.13.2 linux #0-0]
[wry 0.13.2 linux #0-0] 1) Hello Tauri should click button
[wry 0.13.2 linux #0-0] unknown error
[wry 0.13.2 linux #0-0] unsupported operation: unknown error
[wry 0.13.2 linux #0-0]     at Object.getErrorFromResponseBody (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/webdriver/build/utils.js:189:12)
[wry 0.13.2 linux #0-0]     at NodeJSRequest._request (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/webdriver/build/request/index.js:157:31)
[wry 0.13.2 linux #0-0]     at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
[wry 0.13.2 linux #0-0]     at async Element.wrapCommandFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/utils/build/shim.js:103:29)
[wry 0.13.2 linux #0-0]     at async Element.wrapCommandFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/utils/build/shim.js:103:29)
[wry 0.13.2 linux #0-0]     at async Element.elementErrorHandlerCallbackFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/runner/node_modules/webdriverio/build
/middlewares.js:23:32)
[wry 0.13.2 linux #0-0]     at async Element.wrapCommandFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/utils/build/shim.js:103:29)
[wry 0.13.2 linux #0-0]     at async Element.wrapCommandFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/utils/build/shim.js:103:29)
[wry 0.13.2 linux #0-0]     at async Element.elementErrorHandlerCallbackFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/runner/node_modules/webdriverio/build
/middlewares.js:23:32)
[wry 0.13.2 linux #0-0]     at async Element.wrapCommandFn (/home/stuart/motius-projects/aumovis/hello_tauri/webdriver/node_modules/@wdio/utils/build/shim.js:103:29)

Additional context

.setValue() had similar issues for me, and the workaround (at least in a svelte app) were more complicated, as you also need to get events to fire properly. I used click as the example here as it is simpler.

For others having trouble with this issue, here are my current workarounds:

click

async function findAndClick (selector: string, timeout?: number) {
  const button = await $(selector);
  await button.waitForClickable({
    timeout,
  });
  await browser.execute('arguments[0].click();', button);
}

setValue

async function setValue (selector: string, value: number | string) {
  const field = await $(selector);
  await browser.execute(`arguments[0].value="${value}"`, field);
  await browser.execute('arguments[0].dispatchEvent(new Event("input", { bubbles: true }))', field);
}

Source: tauri-apps/tauri

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