MultiHook.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
require("babel-polyfill");
const MultiHook = require("../MultiHook");
describe("MultiHook", () => {
const redirectedMethods = ["tap", "tapAsync", "tapPromise"];
for (const name of redirectedMethods) {
it(`should redirect ${name}`, () => {
const calls = [];
const fakeHook = {
[name]: (options, fn) => {
calls.push({ options, fn });
}
};
new MultiHook([fakeHook, fakeHook])[name]("options", "fn");
expect(calls).toEqual([
{ options: "options", fn: "fn" },
{ options: "options", fn: "fn" }
]);
});
}
it("should redirect intercept", () => {
const calls = [];
const fakeHook = {
intercept: interceptor => {
calls.push(interceptor);
}
};
new MultiHook([fakeHook, fakeHook]).intercept("interceptor");
expect(calls).toEqual(["interceptor", "interceptor"]);
});
it("should redirect withOptions", () => {
const calls = [];
const fakeHook = {
withOptions: options => {
calls.push(options);
return {
tap: (options, fn) => {
calls.push({ options, fn });
}
};
}
};
const newHook = new MultiHook([fakeHook, fakeHook]).withOptions("options");
newHook.tap("options", "fn");
expect(calls).toEqual([
"options",
"options",
{ options: "options", fn: "fn" },
{ options: "options", fn: "fn" }
]);
});
it("should redirect isUsed", () => {
const calls = [];
const fakeHook1 = {
isUsed: () => {
return true;
}
};
const fakeHook2 = {
isUsed: () => {
return false;
}
};
expect(new MultiHook([fakeHook1, fakeHook1]).isUsed()).toEqual(true);
expect(new MultiHook([fakeHook1, fakeHook2]).isUsed()).toEqual(true);
expect(new MultiHook([fakeHook2, fakeHook1]).isUsed()).toEqual(true);
expect(new MultiHook([fakeHook2, fakeHook2]).isUsed()).toEqual(false);
});
});