no-compound-classes.md

Do not allow compound class names in the by.className() locator

Ensure that there are no compound class names (multiple space-delimited classes) used as a value for the by.className locator.

by.className() expects a single valid class name.

Rule details

👎 Any use of the following patterns are considered errors:

element(by.className("class1 class2"));
element.all(by.className("class1 class2"));
element(by.id("myid")).all(by.className("class1 class2 class3"));
element(by.id("myid")).element(by.className("class1 class2 class3"));

👍 The following patterns are not errors:

element(by.css("tag1 tag2"));
element(by.css(".class1"));
element(by.className("class1"));
element.all(by.className("somevalue"));
element.all(by.css("tag1 tag2"));
$("tag1 tag2");
$$("tag1 tag2")