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tests: hello world playground run with success and failure tests (#2513)

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Implement two tests for the rust playground:
- successful run of the hello world example with the hello world message
in stdout and a hidden stderr
- on purpose compilation error is shown in stderr and "No output" in
stdout
This commit is contained in:
michael-kerscher
2025-01-14 10:44:23 +01:00
committed by GitHub
parent 7584ce0048
commit 34920c76e6
5 changed files with 716 additions and 561 deletions
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tests/src/playground.test.ts Normal file
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import { describe, it } from "mocha";
import { $, expect, browser } from "@wdio/globals";
import { Key } from "webdriverio";
describe("Playground", () => {
it("executes the hello world code and prints the hello message", async () => {
await browser.url("/hello-world/hello-world.html");
const playground_area = $(".ace_content");
const playground_start_button = $("button.play-button");
const playground_stderr = $("code.result.stderr");
const playground_stdout = $("code.result.stdout");
// ensure a playground exists and pre-state is as expected
await expect(playground_area).toExist();
await expect(playground_start_button).toExist();
await expect(playground_start_button).not.toBeDisplayed();
await expect(playground_stderr).not.toExist();
await expect(playground_stdout).not.toExist();
// clicking into the content is necessary for the button to be displayed
await playground_area.waitForClickable();
await playground_area.click();
await expect(playground_start_button).toBeDisplayed();
// clicking the button triggers action
await playground_start_button.waitForClickable();
await playground_start_button.click();
await expect(playground_stdout).toBeDisplayed();
await expect(playground_stderr).not.toBeDisplayed();
await expect(playground_stdout).toHaveText(expect.stringContaining("🌍"));
});
it("shows error messages in stderr if the code is broken", async () => {
await browser.url("/hello-world/hello-world.html");
const playground_area = $(".ace_content");
const playground_start_button = $("button.play-button");
const playground_stderr = $("code.result.stderr");
const playground_stdout = $("code.result.stdout");
// clicking into the content is necessary for the button to be displayed
await playground_area.waitForClickable();
await playground_area.click();
// append some failing code to the editor that is now in focus
await browser.keys([Key.Enter, "fn expect_failure()"]);
// clicking the button triggers action
await playground_start_button.waitForClickable();
await playground_start_button.click();
await expect(playground_stdout).toBeDisplayed();
await expect(playground_stderr).toBeDisplayed();
// check for error message in stderr
await expect(playground_stderr).toHaveText(
expect.stringContaining("error: could not compile")
);
await expect(playground_stdout).toHaveText("No output");
});
});