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b90c224a99
This has multiple benefits: - Respects the "Do not mock what you do not own" principle, instead we mock `log.raw` when necessary - Lets us not re-assign `console.log`, which breaks as Mocha uses `console.log` as well - Save and restore initial `log.raw` in test hooks (before/after), otherwise this would break Mocha/Chai
47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
"use strict";
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const expect = require("chai").expect;
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const TestUtil = require("../../util");
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const Utils = require("../../../src/command-line/utils");
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describe("Utils", function() {
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describe(".extraHelp", function() {
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let originalRaw;
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beforeEach(function() {
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originalRaw = log.raw;
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});
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afterEach(function() {
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log.raw = originalRaw;
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});
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it("should start and end with empty lines to display correctly with --help", function() {
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// Mock `log.raw` to extract its effect into an array
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const stdout = [];
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log.raw = TestUtil.mockLogger((str) => stdout.push(str));
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Utils.extraHelp();
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// Starts with 2 empty lines
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expect(stdout[0]).to.equal("\n");
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expect(stdout[1]).to.equal("\n");
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expect(stdout[2]).to.not.equal("\n");
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// Ends with 1 empty line
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expect(stdout[stdout.length - 2]).to.not.equal("\n");
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expect(stdout[stdout.length - 1]).to.equal("\n");
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});
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it("should contain information about THELOUNGE_HOME env var", function() {
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// Mock `log.raw` to extract its effect into a concatenated string
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let stdout = "";
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log.raw = TestUtil.mockLogger((str) => stdout += str);
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Utils.extraHelp();
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expect(stdout).to.include("THELOUNGE_HOME");
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});
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});
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});
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