esquery/tests/parser.js at 7d95ac960e58d9cf5577eb953a07df187ce4708b · estools/esquery · GitHub

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define([
    "esquery",
    "jstestr/assert",
    "jstestr/test"
], function (esquery, assert, test) {

    test.defineSuite("basic query parsing", {

        "empty query": function () {
            assert.isEqual(void 0, esquery.parse(""));
            assert.isEqual(void 0, esquery.parse("      "));
        },

        "leading/trailing whitespace": function () {
            assert.isNotEqual(void 0, esquery.parse(" A"));
            assert.isNotEqual(void 0, esquery.parse("     A"));
            assert.isNotEqual(void 0, esquery.parse("A "));
            assert.isNotEqual(void 0, esquery.parse("A     "));
            assert.isNotEqual(void 0, esquery.parse(" A "));
            assert.isNotEqual(void 0, esquery.parse("     A     "));
        },

        "memoize selector parsing": function () {
            assert.isEqual(JSON.stringify(esquery.parse("A")) === JSON.stringify(esquery.parse("A")), true);
            assert.isEqual(esquery.parse("A") === esquery.parse("A"), true);
        }
    });
});