86 lines
2.8 KiB
JavaScript
86 lines
2.8 KiB
JavaScript
import transformFields from './transformFields.js';
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import { assert } from 'chai';
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const originalDoc = {
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name: 'doc name',
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description: 'a document to test transforms on',
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nest: {
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deeper: {
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field: 'some nested field'
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},
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},
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array: [{num: 1}, {num: 3}, {num: 5}],
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nestArray: [
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{array: [{item: 2},{item: 4},{item: 6}]},
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{array: [{item: 8},{item: 10},{item: 12}]},
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{array: [{item: 14},{item: 16},{item: 18}]},
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],
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};
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describe('transformFields', function () {
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it('Takes a doc and transforms it according to single field rules', function () {
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let doc = {...originalDoc};
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const transformList = [
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{from: 'name', to: 'title'},
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];
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assert.equal(doc.name, 'doc name', '.name is set');
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assert.doesNotHaveAnyKeys(doc, ['title'], '.title doesn\'t exist');
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doc = transformFields(doc, transformList);
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assert.equal(doc.title, 'doc name', '.name -> .title');
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assert.doesNotHaveAnyKeys(doc, ['name'], '.name deleted');
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});
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it('Takes a doc and transforms it with functions', function () {
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let doc = {...originalDoc};
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const transformList = [
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{from: 'name', to: 'name', up: name => name.toUpperCase()},
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];
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assert.equal(doc.name, 'doc name', 'name in lowercase');
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doc = transformFields(doc, transformList);
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assert.equal(doc.name, 'DOC NAME', 'name in uppercase');
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});
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it('Handles empty to and from fields', function () {
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let doc = {...originalDoc};
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const transformList = [
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{to: 'created', up: () => 'from thin air'},
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{from: 'description'},
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];
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doc = transformFields(doc, transformList);
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assert.equal(doc.created, 'from thin air', 'created field success');
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assert.doesNotHaveAnyKeys(doc, ['description'], '.description deleted');
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});
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it('Takes a nested field and transforms it into a different nested field', function () {
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let doc = {...originalDoc};
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const transformList = [
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{from: 'nest.deeper', to: 'different.deep'},
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];
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doc = transformFields(doc, transformList);
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assert.equal(doc.different.deep.field, 'some nested field', 'field moved correctly');
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assert.doesNotHaveAnyKeys(doc.nest, ['deeper'], 'doc.nest.deeper deleted');
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});
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it('Transforms arrays', function () {
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let doc = {...originalDoc};
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const transformList = [
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{from: 'array.$.num', to: 'list.$.number'},
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];
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doc = transformFields(doc, transformList);
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assert.equal(doc.list[1].number, 3, 'array field moved correctly');
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});
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it('Transforms deep arrays', function () {
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let doc = {...originalDoc};
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const transformList = [
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{from: 'nestArray.$.array.$.item', to: 'nestList.$.list.$.ting'},
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];
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doc = transformFields(doc, transformList);
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assert.equal(doc.nestList[2].list[1].ting, 16, 'nested array field moved correctly');
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});
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});
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