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isLogicalCombination.test.js
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isLogicalCombination.test.js
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"use strict";
const isLogicalCombination = require("../isLogicalCombination");
const parseSelector = require("postcss-selector-parser");
const postcss = require("postcss");
function selector(css, cb) {
postcss.parse(css).walkRules(rule => {
parseSelector(selectorAST => {
selectorAST.walkPseudos(cb);
}).processSync(rule.selector);
});
}
describe("isLogicalCombination", () => {
it("hover pseudo class is NOT logical combination", () => {
selector("a:hover {}", selector => {
expect(isLogicalCombination(selector)).toBe(false);
});
});
it("not pseudo class is logical combination", () => {
selector("a:not(.foo) {}", selector => {
expect(isLogicalCombination(selector)).toBe(true);
});
});
it("has pseudo class is logical combination", () => {
selector("a:has(.foo) {}", selector => {
expect(isLogicalCombination(selector)).toBe(true);
});
});
it("matches pseudo class is logical combination", () => {
selector("a:matches(.foo) {}", selector => {
expect(isLogicalCombination(selector)).toBe(true);
});
});
});