35 lines
1.0 KiB
JavaScript
35 lines
1.0 KiB
JavaScript
/**
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* A custom Nightwatch assertion. The assertion name is the filename.
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*
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* Example usage:
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* browser.assert.elementCount(selector, count)
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*
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* For more information on custom assertions see:
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* https://nightwatchjs.org/guide/extending-nightwatch/#writing-custom-assertions
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*
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*
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* @param {string|object} selectorOrObject
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* @param {number} count
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*/
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exports.assertion = function elementCount(selectorOrObject, count) {
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let selector;
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// when called from a page object element or section
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if (typeof selectorOrObject === "object" && selectorOrObject.selector) {
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// eslint-disable-next-line prefer-destructuring
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selector = selectorOrObject.selector;
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} else {
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selector = selectorOrObject;
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}
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this.message = `Testing if element <${selector}> has count: ${count}`;
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this.expected = count;
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this.pass = val => val === count;
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this.value = res => res.value;
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function evaluator(_selector) {
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return document.querySelectorAll(_selector).length;
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}
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this.command = cb => this.api.execute(evaluator, [selector], cb);
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};
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