Prettygoat-testing

Unit test prettygoat's projections without Cassandra.

Installation

$ npm install prettygoat-testing

Usage

import {TestEnvironment, ITestRunner} from "prettygoat-testing";
import {Projection} from "./Projection";

describe("Given a projection", () => {

    let environment: TestEnvironment;
    let runner: ITestRunner<T>;

    before(() => {
        environment = new TestEnvironment();
        environment.setup();
    });

    beforeEach(() => {
        runner = environment.runner();
    });

    context("when something happens", () => {
        it("should do this", async () => {
            const events = require("./fixtures/events.json");
            let state = await runner
                .of(Projection) // Or pass an already newed projection
                .fromEvents(events)
                .stopAt(new Date(400))
                .run();
            //assert something
        });
    });
});

License

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.