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test: simplify clickXpath() by letting click() scroll

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Instead of trying to proactively scroll if necessary, just let Selenium
handle scrolling. The only reason to handle scrolling manually was to
tell the difference between an off-screen element and one that isn't
visible due to being beneath another element (like the loading screen).
Catching `ElementClickInterceptedError` is a simpler way to do that.
This commit is contained in:
Christopher Willis-Ford 2023-09-22 13:34:06 -07:00
parent 7aa5a79a0b
commit bc9e771f2c
1 changed files with 16 additions and 47 deletions
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63
test/integration/selenium-helpers.js
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@ -147,61 +147,30 @@ class SeleniumHelper {
return this.driver.wait(until.stalenessOf(element), DEFAULT_TIMEOUT_MILLISECONDS);
}
async waitUntilClickable (xpath, allowScrolling = true) {
return await this.driver.wait(new webdriver.WebElementCondition(
'for element to be clickable',
clickXpath (xpath) {
return this.driver.wait(new webdriver.WebElementCondition(
'for element click to succeed',
async () => {
const elementAtPath = await this.findByXpath(xpath);
if (!elementAtPath) {
const element = await this.findByXpath(xpath);
if (!element) {
return null;
}
if (allowScrolling) {
await this.driver.actions()
.move({origin: elementAtPath})
.perform();
try {
await element.click();
return element;
} catch (e) {
if (e instanceof webdriver.error.ElementClickInterceptedError) {
// something is in front of the element we want to click
// probably the loading screen
// this is the main reason for using wait()
return null;
}
throw e;
}
const elementAtPoint = await this.driver.executeScript(
`
const rect = arguments[0].getBoundingClientRect();
return document.elementFromPoint(
rect.x + rect.width / 2,
rect.y + rect.height / 2
);
`,
elementAtPath
);
if (!elementAtPoint) {
return null;
}
// If we ask to click on a button and Selenium finds an image on the button, or vice versa, that's OK.
// It doesn't have to be an exact match.
const match = await this.driver.executeScript(
'return arguments[0].contains(arguments[1]) || arguments[1].contains(arguments[0])',
elementAtPath,
elementAtPoint
);
if (!match) {
return null;
}
if (!await elementAtPath.isDisplayed()) {
return null;
}
if (!await elementAtPath.isEnabled()) {
return null;
}
return elementAtPath;
}
), DEFAULT_TIMEOUT_MILLISECONDS);
}
async clickXpath (xpath, allowScrolling = true) {
const element = await this.waitUntilClickable(xpath, allowScrolling);
element.click();
return element;
}
clickText (text) {
return this.clickXpath(`//*[contains(text(), '${text}')]`);
}