@graphistry/falcor/test/set/pathMaps/branch.spec.js

A JavaScript library for efficient data fetching.

var $ref = require('@graphistry/falcor-json-graph').ref;
var strip = require('../support/strip');
var $atom = require('@graphistry/falcor-json-graph').atom;
var $error = require('@graphistry/falcor-json-graph').error;
var $pathMapEnvelope = require('../support/pathMapEnvelope');

var expect = require('chai').expect;
var getModel = require('../support/getModel');
var setPathMaps = require('../../../lib/cache/set/setPathMaps');

describe('a primitive over a branch', function() {

    it('directly', function() {

        var cache = {};
        var version = 0;
        setPathMaps(
            getModel({ cache: cache, version: version++ }), [
                $pathMapEnvelope('movies["pulp-fiction"].title', 'Pulp Fiction'),
                $pathMapEnvelope('movies["pulp-fiction"]', 'Pulp Fiction')
            ]
        );

        expect(strip(cache)).to.deep.equal(strip({
            movies: { 'pulp-fiction': $atom('Pulp Fiction') }
        }));
    });

    xit('through a reference with a null last key', function() {

        var cache = {};
        var version = 0;
        setPathMaps(
            getModel({ cache: cache, version: version++ }), [
                $pathMapEnvelope('grid', $ref('grids["id"]')),
                $pathMapEnvelope('grids["id"][0]', $ref('lists["id"]')),
                $pathMapEnvelope('lists["id"][0]', $ref('movies["pulp-fiction"]')),
                $pathMapEnvelope('movies["pulp-fiction"].title', 'Pulp Fiction')
            ]
        );

        setPathMaps(
            getModel({ cache: cache, version: version++ }), [
                $pathMapEnvelope(['grid', 0, 0, null], 'Pulp Fiction')
            ]
        );

        expect(strip(cache)).to.deep.equal(strip({
            grid: $ref('grids["id"]'),
            grids: { id: { 0: $ref('lists["id"]') } },
            lists: { id: { 0: $ref('movies["pulp-fiction"]') } },
            movies: { 'pulp-fiction': $atom('Pulp Fiction') }
        }));
    });
});

describe('set an error over a branch', function() {

    it('directly', function() {

        var cache = {};
        var version = 0;
        setPathMaps(
            getModel({ cache: cache, version: version++ }), [
                $pathMapEnvelope('movies["pulp-fiction"].title', 'Pulp Fiction'),
                $pathMapEnvelope('movies["pulp-fiction"]', $error('oops'))
            ]
        );

        expect(strip(cache)).to.deep.equal(strip({
            movies: { 'pulp-fiction': $error('oops') }
        }));
    });

    xit('through a reference with a null last key', function() {

        var cache = {};
        var version = 0;
        setPathMaps(
            getModel({ cache: cache, version: version++ }), [
                $pathMapEnvelope('grid', $ref('grids["id"]')),
                $pathMapEnvelope('grids["id"][0]', $ref('lists["id"]')),
                $pathMapEnvelope('lists["id"][0]', $ref('movies["pulp-fiction"]')),
                $pathMapEnvelope('movies["pulp-fiction"].title', 'Pulp Fiction')
            ]
        );

        setPathMaps(
            getModel({ cache: cache, version: version++ }), [
                $pathMapEnvelope(['grid', 0, 0, null], $error('oops'))
            ]
        );

        expect(strip(cache)).to.deep.equal(strip({
            grid: $ref('grids["id"]'),
            grids: { id: { 0: $ref('lists["id"]') } },
            lists: { id: { 0: $ref('movies["pulp-fiction"]') } },
            movies: { 'pulp-fiction': $error('oops') }
        }));
    });
});