func/templates/node/cloudevents/test/unit.js

50 lines
1.2 KiB
JavaScript

'use strict';
const func = require('..');
const test = require('tape');
const { CloudEvent } = require('cloudevents');
const { Context } = require('faas-js-runtime/lib/context');
// Ensure that the function completes cleanly when passed a valid event.
test('Unit: handles a valid event', t => {
t.plan(4);
const data = {
name: 'tiger',
customerId: '01234'
}
// A valid event includes id, type and source at a minimum.
const cloudevent = new CloudEvent({
id: '01234',
type: 'com.example.cloudevents.test',
source: '/test',
data
});
const mockContext = new MockContext(cloudevent);
// Invoke the function with the valid event, which should complete without error.
const result = func(mockContext, data);
t.ok(result);
t.equal(result.body, JSON.stringify(data));
t.equal(result.headers['ce-type'], 'echo');
t.equal(result.headers['ce-source'], 'event.handler');
t.end();
});
class MockContext {
cloudevent;
constructor(cloudevent) {
this.cloudevent = cloudevent;
this.log = { info: console.log, debug: console.debug }
}
cloudEventResponse(data) {
return new CloudEvent({
data,
type: 'com.example.cloudevents.test.response',
source: '/test'
})
}
}