swirly-diagram-testrunner/dist/esm2015/example.js

Testrunner that runs observables and prepares diagram generation for swirly

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
import fs from "fs";
import path from "path";
import { DiagramTestScheduler } from "./diagram-test-scheduler";
import { filter, map } from "rxjs/operators";
import { renderMarbleDiagram } from "@swirly/renderer-node/dist";
describe("DiagramTestScheduler", () => {
    let scheduler;
    const diagrams = [];
    beforeEach(() => {
        scheduler = new DiagramTestScheduler();
    });
    it("should give a diagram", () => {
        const filename = "filter.svg";
        const diagram = scheduler.runAsDiagram("filter(n => n % 2 != 0)", ({ cold, expectObservable }) => {
            const source = cold("--1--2--3|", { 1: 1, 2: 2, 3: 3 });
            const testee = source.pipe(filter(n => n % 2 !== 0));
            expectObservable(testee).toBe("--1-----3|", { 1: 1, 3: 3 });
        });
        diagrams.push({ title: filename, diagram });
    });
    it("should render objects pretty", () => {
        const title = "mapObject.svg";
        const diagram = scheduler.runAsDiagram("map(1 => {a: 1})", ({ cold, expectObservable }) => {
            const source = cold("-1|", { 1: 1 });
            const testee = source.pipe(map(n => ({ a: n })));
            expectObservable(testee).toBe("-a|", { a: { a: 1 } });
        }, { event_radius: 40, frame_width: 60 });
        diagrams.push({ title, diagram });
    });
    after(() => __awaiter(void 0, void 0, void 0, function* () {
        return Promise.all(diagrams.map(d => fs.writeFile(path.resolve(__dirname, "../doc/diagram", d.title), renderMarbleDiagram(d.diagram).xml, (e) => {
            console.log("e", e);
        })));
    }));
});
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