sdk-javascript/test/integration/message_test.ts

203 lines
8.2 KiB
TypeScript

import { expect } from "chai";
import { CloudEvent, CONSTANTS, Version } from "../../src";
import { asBase64 } from "../../src/event/validation";
import { Message, HTTP } from "../../src/message";
const type = "org.cncf.cloudevents.example";
const source = "urn:event:from:myapi/resource/123";
const time = new Date();
const subject = "subject.ext";
const dataschema = "http://cloudevents.io/schema.json";
const datacontenttype = "application/json";
const id = "b46cf653-d48a-4b90-8dfa-355c01061361";
const data = {
foo: "bar",
};
// Attributes for v03 events
const schemaurl = "https://cloudevents.io/schema.json";
const datacontentencoding = "base64";
const ext1Name = "extension1";
const ext1Value = "foobar";
const ext2Name = "extension2";
const ext2Value = "acme";
// Binary data as base64
const dataBinary = Uint32Array.from(JSON.stringify(data), (c) => c.codePointAt(0) as number);
const data_base64 = asBase64(dataBinary);
describe("HTTP transport messages", () => {
it("can detect CloudEvent Messages", () => {
// Create a message that is not an actual event
let message: Message = {
body: "Hello world!",
headers: {
"Content-type": "text/plain",
},
};
expect(HTTP.isEvent(message)).to.be.false;
// Now create a message that is an event
message = HTTP.binary(
new CloudEvent({
source: "/message-test",
type: "example",
}),
);
expect(HTTP.isEvent(message)).to.be.true;
});
describe("Specification version V1", () => {
const fixture: CloudEvent = new CloudEvent({
specversion: Version.V1,
id,
type,
source,
datacontenttype,
subject,
time,
dataschema,
data,
[ext1Name]: ext1Value,
[ext2Name]: ext2Value,
});
it("Binary Messages can be created from a CloudEvent", () => {
const message: Message = HTTP.binary(fixture);
expect(message.body).to.equal(data);
// validate all headers
expect(message.headers[CONSTANTS.HEADER_CONTENT_TYPE]).to.equal(datacontenttype);
expect(message.headers[CONSTANTS.CE_HEADERS.SPEC_VERSION]).to.equal(Version.V1);
expect(message.headers[CONSTANTS.CE_HEADERS.ID]).to.equal(id);
expect(message.headers[CONSTANTS.CE_HEADERS.TYPE]).to.equal(type);
expect(message.headers[CONSTANTS.CE_HEADERS.SOURCE]).to.equal(source);
expect(message.headers[CONSTANTS.CE_HEADERS.SUBJECT]).to.equal(subject);
expect(message.headers[CONSTANTS.CE_HEADERS.TIME]).to.equal(fixture.time);
expect(message.headers[CONSTANTS.BINARY_HEADERS_1.DATA_SCHEMA]).to.equal(dataschema);
expect(message.headers[`ce-${ext1Name}`]).to.equal(ext1Value);
expect(message.headers[`ce-${ext2Name}`]).to.equal(ext2Value);
});
it("Structured Messages can be created from a CloudEvent", () => {
const message: Message = HTTP.structured(fixture);
expect(message.headers[CONSTANTS.HEADER_CONTENT_TYPE]).to.equal(CONSTANTS.DEFAULT_CE_CONTENT_TYPE);
// Parse the message body as JSON, then validate the attributes
const body = JSON.parse(message.body);
expect(body[CONSTANTS.CE_ATTRIBUTES.SPEC_VERSION]).to.equal(Version.V1);
expect(body[CONSTANTS.CE_ATTRIBUTES.ID]).to.equal(id);
expect(body[CONSTANTS.CE_ATTRIBUTES.TYPE]).to.equal(type);
expect(body[CONSTANTS.CE_ATTRIBUTES.SOURCE]).to.equal(source);
expect(body[CONSTANTS.CE_ATTRIBUTES.SUBJECT]).to.equal(subject);
expect(body[CONSTANTS.CE_ATTRIBUTES.TIME]).to.equal(fixture.time);
expect(body[CONSTANTS.STRUCTURED_ATTRS_1.DATA_SCHEMA]).to.equal(dataschema);
expect(body[ext1Name]).to.equal(ext1Value);
expect(body[ext2Name]).to.equal(ext2Value);
});
it("A CloudEvent can be converted from a binary Message", () => {
const message = HTTP.binary(fixture);
const event = HTTP.toEvent(message);
expect(event).to.deep.equal(fixture);
});
it("A CloudEvent can be converted from a structured Message", () => {
const message = HTTP.structured(fixture);
const event = HTTP.toEvent(message);
expect(event).to.deep.equal(fixture);
});
it("Supports Base-64 encoded data in structured messages", () => {
const event = fixture.cloneWith({ data: dataBinary });
expect(event.data_base64).to.equal(data_base64);
const message = HTTP.structured(event);
const eventDeserialized = HTTP.toEvent(message);
expect(eventDeserialized.data).to.deep.equal({ foo: "bar" });
});
it("Supports Base-64 encoded data in binary messages", () => {
const event = fixture.cloneWith({ data: dataBinary });
expect(event.data_base64).to.equal(data_base64);
const message = HTTP.binary(event);
const eventDeserialized = HTTP.toEvent(message);
expect(eventDeserialized.data).to.deep.equal({ foo: "bar" });
});
});
describe("Specification version V03", () => {
const fixture: CloudEvent = new CloudEvent({
specversion: Version.V03,
id,
type,
source,
datacontenttype,
subject,
time,
schemaurl,
data,
[ext1Name]: ext1Value,
[ext2Name]: ext2Value,
});
it("Binary Messages can be created from a CloudEvent", () => {
const message: Message = HTTP.binary(fixture);
expect(message.body).to.equal(data);
// validate all headers
expect(message.headers[CONSTANTS.HEADER_CONTENT_TYPE]).to.equal(datacontenttype);
expect(message.headers[CONSTANTS.CE_HEADERS.SPEC_VERSION]).to.equal(Version.V03);
expect(message.headers[CONSTANTS.CE_HEADERS.ID]).to.equal(id);
expect(message.headers[CONSTANTS.CE_HEADERS.TYPE]).to.equal(type);
expect(message.headers[CONSTANTS.CE_HEADERS.SOURCE]).to.equal(source);
expect(message.headers[CONSTANTS.CE_HEADERS.SUBJECT]).to.equal(subject);
expect(message.headers[CONSTANTS.CE_HEADERS.TIME]).to.equal(fixture.time);
expect(message.headers[CONSTANTS.BINARY_HEADERS_03.SCHEMA_URL]).to.equal(schemaurl);
expect(message.headers[`ce-${ext1Name}`]).to.equal(ext1Value);
expect(message.headers[`ce-${ext2Name}`]).to.equal(ext2Value);
});
it("Structured Messages can be created from a CloudEvent", () => {
const message: Message = HTTP.structured(fixture);
expect(message.headers[CONSTANTS.HEADER_CONTENT_TYPE]).to.equal(CONSTANTS.DEFAULT_CE_CONTENT_TYPE);
// Parse the message body as JSON, then validate the attributes
const body = JSON.parse(message.body);
expect(body[CONSTANTS.CE_ATTRIBUTES.SPEC_VERSION]).to.equal(Version.V03);
expect(body[CONSTANTS.CE_ATTRIBUTES.ID]).to.equal(id);
expect(body[CONSTANTS.CE_ATTRIBUTES.TYPE]).to.equal(type);
expect(body[CONSTANTS.CE_ATTRIBUTES.SOURCE]).to.equal(source);
expect(body[CONSTANTS.CE_ATTRIBUTES.SUBJECT]).to.equal(subject);
expect(body[CONSTANTS.CE_ATTRIBUTES.TIME]).to.equal(fixture.time);
expect(body[CONSTANTS.STRUCTURED_ATTRS_03.SCHEMA_URL]).to.equal(schemaurl);
expect(body[ext1Name]).to.equal(ext1Value);
expect(body[ext2Name]).to.equal(ext2Value);
});
it("A CloudEvent can be converted from a binary Message", () => {
const message = HTTP.binary(fixture);
const event = HTTP.toEvent(message);
expect(event).to.deep.equal(fixture);
});
it("A CloudEvent can be converted from a structured Message", () => {
const message = HTTP.structured(fixture);
const event = HTTP.toEvent(message);
expect(event).to.deep.equal(fixture);
});
it("Supports Base-64 encoded data in structured messages", () => {
const event = fixture.cloneWith({ data: dataBinary, datacontentencoding });
expect(event.data_base64).to.equal(data_base64);
const message = HTTP.structured(event);
const eventDeserialized = HTTP.toEvent(message);
expect(eventDeserialized.data).to.deep.equal({ foo: "bar" });
});
it("Supports Base-64 encoded data in binary messages", () => {
const event = fixture.cloneWith({ data: dataBinary, datacontentencoding });
expect(event.data_base64).to.equal(data_base64);
const message = HTTP.binary(event);
const eventDeserialized = HTTP.toEvent(message);
expect(eventDeserialized.data).to.deep.equal({ foo: "bar" });
});
});
});