@astronautlabs/jsonpath/dist.esm/stringify.test.js

Query JavaScript objects with JSONPath expressions. Robust / safe JSONPath engine for Node.js.

import * as assert from 'assert';
import { suite, describe } from 'razmin';
import { JSONPath } from './jsonpath';
suite(function () {
    describe('stringify', function (it) {
        it('simple path stringifies', function () {
            var string = JSONPath.stringify(['$', 'a', 'b', 'c']);
            assert.equal(string, '$.a.b.c');
        });
        it('numeric literals end up as subscript numbers', function () {
            var string = JSONPath.stringify(['$', 'store', 'book', 0, 'author']);
            assert.equal(string, '$.store.book[0].author');
        });
        it('simple path with no leading root stringifies', function () {
            var string = JSONPath.stringify(['a', 'b', 'c']);
            assert.equal(string, '$.a.b.c');
        });
        it('simple parsed path stringifies', function () {
            var path = [
                { scope: 'child', operation: 'member', expression: { type: 'identifier', value: 'a' } },
                { scope: 'child', operation: 'member', expression: { type: 'identifier', value: 'b' } },
                { scope: 'child', operation: 'member', expression: { type: 'identifier', value: 'c' } }
            ];
            var string = JSONPath.stringify(path);
            assert.equal(string, '$.a.b.c');
        });
        it('keys with hyphens get subscripted', function () {
            var string = JSONPath.stringify(['$', 'member-search']);
            assert.equal(string, '$["member-search"]');
        });
        it('complicated path round trips', function () {
            var pathExpression = '$..*[0:2].member["string-xyz"]';
            var path = JSONPath.parse(pathExpression);
            var string = JSONPath.stringify(path);
            assert.equal(string, pathExpression);
        });
        it('complicated path with filter exp round trips', function () {
            var pathExpression = '$..*[0:2].member[?(@.val > 10)]';
            var path = JSONPath.parse(pathExpression);
            var string = JSONPath.stringify(path);
            assert.equal(string, pathExpression);
        });
        it('throws for no input', function () {
            assert.throws(function () { JSONPath.stringify(undefined); }, /we need a path/);
        });
    });
});
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