ts-simple-ast/dist/tests/utils/eventContainerTests.js

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const chai_1 = require("chai");
const utils_1 = require("./../../utils");
describe("EventContainer", () => {
    it("should support subscribing", () => {
        let firedCount = 0;
        const container = new utils_1.EventContainer();
        container.subscribe(() => firedCount++);
        container.fire(undefined);
        chai_1.expect(firedCount).to.equal(1);
    });
    it("should pass in the arg when firing", () => {
        let capturedArg = "";
        const container = new utils_1.EventContainer();
        container.subscribe(arg => capturedArg = arg);
        container.fire("test");
        chai_1.expect(capturedArg).to.equal("test");
    });
    it("should only fire the subscription once if subscribed multiple times with the same subscription", () => {
        let firedCount = 0;
        const subscription = () => firedCount++;
        const container = new utils_1.EventContainer();
        container.subscribe(subscription);
        container.subscribe(subscription);
        container.fire(undefined);
        chai_1.expect(firedCount).to.equal(1);
    });
    it("should support unsubscribing", () => {
        let firedCount = 0;
        const subscription = () => firedCount++;
        const container = new utils_1.EventContainer();
        container.subscribe(subscription);
        container.unsubscribe(subscription);
        container.fire(undefined);
        chai_1.expect(firedCount).to.equal(0);
    });
});

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