116 lines
5.8 KiB
TypeScript
116 lines
5.8 KiB
TypeScript
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/**
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*
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* Return true if the selected DOM-element is displayed (even when the element is outside the viewport). It is using
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* the [`checkVisibility`](https://developer.mozilla.org/en-US/docs/Web/API/Element/checkVisibility#visibilityproperty)
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* method provided by the browser to determine if an element is being displayed or not. Since WebdriverIO acts as a
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* real user, the default values for the `contentVisibilityAuto`, `opacityProperty`, and `visibilityProperty` flags
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* are set to `true` to default to a more strict behavior. This means that the command will check if the element is
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* visible due to the value of its `content-visibility`, `opacity`, and `visibility` properties.
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*
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* If you want to also verify that the element is also within the viewport, provide the `withinViewport` flag to the command.
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*
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* :::info
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*
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* As opposed to other element commands WebdriverIO will not wait for the element
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* to exist to execute this command.
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*
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* :::
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*
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* WebdriverIO, when conducting browser tests, utilizes a [custom script](https://github.com/webdriverio/webdriverio/blob/59d349ca847950354d02b9e548f60cc50e7871f0/packages/webdriverio/src/scripts/isElementDisplayed.ts)
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* specifically designed to assess the visibility of elements. This script is key in determining whether an
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* element is displayed on the page. Conversely, for native mobile testing scenarios with Appium, WebdriverIO
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* defers to the [`isElementDisplayed`](https://appium.io/docs/en/2.1/reference/interfaces/appium_types.ExternalDriver/#elementdisplayed)
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* command provided by Appium. This command evaluates the visibility of elements using criteria established by the
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* underlying Appium driver, ensuring accurate and driver-specific assessments for mobile applications.
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*
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* <example>
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:index.html
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<div id="noSize"></div>
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<div id="noSizeWithContent">Hello World!</div>
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<div id="notDisplayed" style="width: 10px; height: 10px; display: none"></div>
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<div id="notVisible" style="width: 10px; height: 10px; visibility: hidden"></div>
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<div id="zeroOpacity" style="width: 10px; height: 10px; opacity: 0"></div>
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<div id="notInViewport" style="width: 10px; height: 10px; position:fixed; top: 999999; left: 999999"></div>
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:isDisplayed.js
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it('should detect if an element is displayed', async () => {
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elem = await $('#notExisting');
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isDisplayed = await elem.isDisplayed();
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console.log(isDisplayed); // outputs: false
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let elem = await $('#noSize');
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let isDisplayed = await elem.isDisplayed();
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console.log(isDisplayed); // outputs: false
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let elem = await $('#noSizeWithContent');
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let isDisplayed = await elem.isDisplayed();
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console.log(isDisplayed); // outputs: true
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let elem = await $('#notDisplayed');
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let isDisplayed = await elem.isDisplayed();
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console.log(isDisplayed); // outputs: false
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elem = await $('#notVisible');
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isDisplayed = await elem.isDisplayed();
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console.log(isDisplayed); // outputs: false
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elem = await $('#zeroOpacity');
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isDisplayed = await elem.isDisplayed();
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console.log(isDisplayed); // outputs: false
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elem = await $('#notInViewport');
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isDisplayed = await elem.isDisplayed();
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console.log(isDisplayed); // outputs: true
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});
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isDisplayedWithinViewport.js
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it('should detect if an element is visible within the viewport', async () => {
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let isDisplayedInViewport = await $('#notDisplayed').isDisplayed({ withinViewport: true });
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console.log(isDisplayedInViewport); // outputs: false
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isDisplayedInViewport = await $('#notVisible').isDisplayed({ withinViewport: true });
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console.log(isDisplayedInViewport); // outputs: false
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isDisplayedInViewport = await $('#notExisting').isDisplayed({ withinViewport: true });
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console.log(isDisplayedInViewport); // outputs: false
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isDisplayedInViewport = await $('#notInViewport').isDisplayed({ withinViewport: true });
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console.log(isDisplayedInViewport); // outputs: false
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isDisplayedInViewport = await $('#zeroOpacity').isDisplayed({ withinViewport: true });
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console.log(isDisplayedInViewport); // outputs: false
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});
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* </example>
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*
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* @alias element.isDisplayed
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* @param {Boolean} [withinViewport=false] `true` to check if the element is within the viewport. `false` by default.
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* @param {Boolean} [contentVisibilityAuto=true] `true` to check if the element content-visibility property has (or inherits) the value auto, and it is currently skipping its rendering. `true` by default.
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* @param {Boolean} [opacityProperty=true] `true` to check if the element opacity property has (or inherits) a value of 0. `true` by default.
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* @param {Boolean} [visibilityProperty=true] `true` to check if the element is invisible due to the value of its visibility property. `true` by default.
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* @return {Boolean} true if element is displayed
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* @uses protocol/elements, protocol/elementIdDisplayed
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* @type state
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*/
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export declare function isDisplayed(this: WebdriverIO.Element, commandParams?: IsDisplayedParams): Promise<boolean>;
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interface IsDisplayedParams {
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/**
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* `true` to check if the element is within the viewport. false by default.
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*/
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withinViewport?: boolean;
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/**
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* `true` to check if the element content-visibility property has (or inherits) the value auto,
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* and it is currently skipping its rendering. `true` by default.
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* @default true
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*/
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contentVisibilityAuto?: boolean;
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/**
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* `true` to check if the element opacity property has (or inherits) a value of 0. `true` by default.
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* @default true
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*/
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opacityProperty?: boolean;
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/**
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* `true` to check if the element is invisible due to the value of its visibility property. `true` by default.
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* @default true
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*/
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visibilityProperty?: boolean;
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}
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export {};
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//# sourceMappingURL=isDisplayed.d.ts.map
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