n8n/cypress/e2e/14-data-transformation-expressions.cy.ts

124 lines
4 KiB
TypeScript

import { WorkflowPage, NDV } from '../pages';
const wf = new WorkflowPage();
const ndv = new NDV();
describe('Data transformation expressions', () => {
before(() => {
cy.resetAll();
cy.skipSetup();
});
beforeEach(() => {
wf.actions.visit();
cy.window().then(
(win) => {
// @ts-ignore
win.preventNodeViewBeforeUnload = true;
},
);
});
it('$json + native string methods', () => {
wf.actions.addInitialNodeToCanvas('Schedule Trigger', { keepNdvOpen: true });
ndv.actions.setPinnedData([{ myStr: 'Monday' }]);
ndv.actions.close();
addSet();
const input = '{{$json.myStr.toLowerCase() + " is " + "today".toUpperCase()';
const output = 'monday is TODAY';
ndv.getters.inlineExpressionEditorInput().clear().type(input);
ndv.actions.execute();
ndv.getters.outputDataContainer().should('be.visible');
ndv.getters.outputDataContainer().contains(output);
});
it('$json + n8n string methods', () => {
wf.actions.addInitialNodeToCanvas('Schedule Trigger', { keepNdvOpen: true });
ndv.actions.setPinnedData([{ myStr: 'hello@n8n.io is an email' }]);
ndv.actions.close();
addSet();
const input = '{{$json.myStr.extractEmail() + " " + $json.myStr.isEmpty()';
const output = 'hello@n8n.io false';
ndv.getters.inlineExpressionEditorInput().clear().type(input);
ndv.actions.execute();
ndv.getters.outputDataContainer().should('be.visible');
ndv.getters.outputDataContainer().contains(output);
});
it('$json + native numeric methods', () => {
wf.actions.addInitialNodeToCanvas('Schedule Trigger', { keepNdvOpen: true });
ndv.actions.setPinnedData([{ myNum: 9.123 }]);
ndv.actions.close();
addSet();
const input = '{{$json.myNum.toPrecision(3)';
const output = '9.12';
ndv.getters.inlineExpressionEditorInput().clear().type(input);
ndv.actions.execute();
ndv.getters.outputDataContainer().should('be.visible');
ndv.getters.outputDataContainer().contains(output);
});
it('$json + n8n numeric methods', () => {
wf.actions.addInitialNodeToCanvas('Schedule Trigger', { keepNdvOpen: true });
ndv.actions.setPinnedData([{ myStr: 'hello@n8n.io is an email' }]);
ndv.actions.close();
addSet();
const input = '{{$json.myStr.extractEmail() + " " + $json.myStr.isEmpty()';
const output = 'hello@n8n.io false';
ndv.getters.inlineExpressionEditorInput().clear().type(input);
ndv.actions.execute();
ndv.getters.outputDataContainer().should('be.visible');
ndv.getters.outputDataContainer().contains(output);
});
it('$json + native array access', () => {
wf.actions.addInitialNodeToCanvas('Schedule Trigger', { keepNdvOpen: true });
ndv.actions.setPinnedData([{ myArr: [1, 2, 3] }]);
ndv.actions.close();
addSet();
const input = '{{$json.myArr.includes(1) + " " + $json.myArr[2]';
const output = 'true 3';
ndv.getters.inlineExpressionEditorInput().clear().type(input);
ndv.actions.execute();
ndv.getters.outputDataContainer().find('[class*=value_]').should('exist')
ndv.getters.outputDataContainer().find('[class*=value_]').should('contain', output);
});
it('$json + n8n array methods', () => {
wf.actions.addInitialNodeToCanvas('Schedule Trigger', { keepNdvOpen: true });
ndv.actions.setPinnedData([{ myArr: [1, 2, 3] }]);
ndv.actions.close();
addSet();
const input = '{{$json.myArr.first() + " " + $json.myArr.last()';
const output = '1 3';
ndv.getters.inlineExpressionEditorInput().clear().type(input);
ndv.actions.execute();
ndv.getters.outputDataContainer().find('[class*=value_]').should('exist')
ndv.getters.outputDataContainer().find('[class*=value_]').should('contain', output);
});
});
// ----------------------------------
// utils
// ----------------------------------
const addSet = () => {
wf.actions.addNodeToCanvas('Set', true, true);
ndv.getters.parameterInput('keepOnlySet').find('div[role=switch]').click(); // shorten output
cy.get('input[placeholder="Add Value"]').click();
cy.get('span').contains('String').click();
ndv.getters.nthParam(3).contains('Expression').invoke('show').click(); // Values to Set > String > Value
};