sdk-javascript/test/conformance/steps.ts

104 lines
2.9 KiB
TypeScript

/*
Copyright 2021 The CloudEvents Authors
SPDX-License-Identifier: Apache-2.0
*/
/* eslint-disable @typescript-eslint/ban-ts-comment */
import { assert } from "chai";
import { Given, When, Then, World } from "@cucumber/cucumber";
import { Message, Headers, HTTP, KafkaMessage, Kafka } from "../../src";
// eslint-disable-next-line @typescript-eslint/no-var-requires
const { HTTPParser } = require("http-parser-js");
const parser = new HTTPParser(HTTPParser.REQUEST);
Given("Kafka Protocol Binding is supported", function (this: World) {
return true;
});
Given("a Kafka message with payload:", function (request: string) {
// Create a KafkaMessage from the incoming HTTP request
const value = Buffer.from(request);
const message: KafkaMessage = {
key: "",
headers: {},
body: value,
value,
};
this.message = message;
return true;
});
Then("Kafka headers:", function (attributes: { rawTable: [] }) {
this.message.headers = tableToObject(attributes.rawTable);
});
When("parsed as Kafka message", function () {
this.cloudevent = Kafka.toEvent(this.message);
return true;
});
Given("HTTP Protocol Binding is supported", function (this: World) {
return true;
});
Given("an HTTP request", function (request: string) {
// Create a Message from the incoming HTTP request
const message: Message = {
headers: {},
body: "",
};
parser.onHeadersComplete = function (record: Record<string, []>) {
message.headers = extractHeaders(record.headers);
};
parser.onBody = function (body: Buffer, offset: number) {
message.body = body.slice(offset).toString();
};
this.message = message;
parser.execute(Buffer.from(request), 0, request.length);
return true;
});
When("parsed as HTTP request", function () {
this.cloudevent = HTTP.toEvent(this.message);
return true;
});
Then("the attributes are:", function (attributes: { rawTable: [] }) {
const expected = tableToObject(attributes.rawTable);
assert.equal(this.cloudevent.id, expected.id);
assert.equal(this.cloudevent.type, expected.type);
assert.equal(this.cloudevent.source, expected.source);
assert.equal(this.cloudevent.time, new Date(expected.time).toISOString());
assert.equal(this.cloudevent.specversion, expected.specversion);
assert.equal(this.cloudevent.datacontenttype, expected.datacontenttype);
return true;
});
Then("the data is equal to the following JSON:", function (json: string) {
assert.deepEqual(this.cloudevent.data, JSON.parse(json));
return true;
});
function extractHeaders(arr: []): Headers {
const obj: Headers = {};
// @ts-ignore
return arr.reduce(({}, keyOrValue, index, arr) => {
if (index % 2 === 0) {
obj[keyOrValue] = arr[index + 1];
}
return obj;
});
}
function tableToObject(table: []): Record<string, string> {
const obj: Record<string, string> = {};
// @ts-ignore
return table.reduce(({}, [key, value]: Array<string, string>) => {
obj[key] = value;
return obj;
});
}