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/*globals describe it */

"use strict";

require("should");

const path = require("path");

const fs = require("fs");

const webpack = require("../lib/webpack");

const base = path.join(__dirname, "statsCases");

const outputBase = path.join(__dirname, "js", "stats");

const tests = fs.readdirSync(base).filter(testName =>

fs.existsSync(path.join(base, testName, "index.js")) ||

fs.existsSync(path.join(base, testName, "webpack.config.js"))

);

const Stats = require("../lib/Stats");

describe("Stats", () => {

tests.forEach(testName => {

it("should print correct stats for " + testName, (done) => {

let options = {

entry: "./index",

output: {

filename: "bundle.js"

}

};

if(fs.existsSync(path.join(base, testName, "webpack.config.js"))) {

options = require(path.join(base, testName, "webpack.config.js"));

}

(Array.isArray(options) ? options : [options]).forEach((options) => {

if(!options.context) options.context = path.join(base, testName);

if(!options.output) options.output = options.output || {};

if(!options.output.path) options.output.path = path.join(outputBase, testName);

});

const c = webpack(options);

const compilers = c.compilers ? c.compilers : [c];

compilers.forEach((c) => {

const ifs = c.inputFileSystem;

c.inputFileSystem = Object.create(ifs);

c.inputFileSystem.readFile = function() {

const args = Array.prototype.slice.call(arguments);

const callback = args.pop();

ifs.readFile.apply(ifs, args.concat([(err, result) => {

if(err) return callback(err);

callback(null, result.toString("utf-8").replace(/\r/g, ""));

}]));

};

c.apply(new webpack.optimize.OccurrenceOrderPlugin());

});

c.run((err, stats) => {

if(err) return done(err);

if(/error$/.test(testName)) {

stats.hasErrors().should.be.equal(true);

} else if(stats.hasErrors()) {

done(new Error(stats.toJson().errors.join("\n\n")));

}

let toStringOptions = {

colors: false

};

let hasColorSetting = false;

if(typeof options.stats !== "undefined") {

toStringOptions = options.stats;

hasColorSetting = typeof options.stats.colors !== "undefined";

}

if(Array.isArray(options) && !toStringOptions.children) {

toStringOptions.children = options.map(o => o.stats);

}

let actual = stats.toString(toStringOptions);

(typeof actual).should.be.eql("string");

if(!hasColorSetting) {

actual = actual

.replace(/\u001b\[[0-9;]*m/g, "")

.replace(/[0-9]+(\s?ms)/g, "X$1");

} else {

actual = actual

.replace(/\u001b\[1m\u001b\[([0-9;]*)m/g, "<CLR=$1,BOLD>")

.replace(/\u001b\[1m/g, "<CLR=BOLD>")

.replace(/\u001b\[39m\u001b\[22m/g, "</CLR>")

.replace(/\u001b\[([0-9;]*)m/g, "<CLR=$1>")

.replace(/[0-9]+(<\/CLR>)?(\s?ms)/g, "X$1$2");

}

actual = actual

.replace(/\r\n?/g, "\n")

.replace(/[\t ]*Version:.+\n/g, "")

.replace(path.join(base, testName), "Xdir/" + testName)

.replace(/ dependencies:Xms/g, "");

const expected = fs.readFileSync(path.join(base, testName, "expected.txt"), "utf-8").replace(/\r/g, "");

if(actual !== expected) {

fs.writeFileSync(path.join(base, testName, "actual.txt"), actual, "utf-8");

} else if(fs.existsSync(path.join(base, testName, "actual.txt"))) {

fs.unlinkSync(path.join(base, testName, "actual.txt"));

}

actual.should.be.eql(expected);

done();

});

describe("Error Handling", () => {

describe("does have", () => {

it("hasErrors", () => {

const mockStats = new Stats({

errors: ["firstError"],

hash: "1234"

});

mockStats.hasErrors().should.be.ok();

});

it("hasWarnings", () => {

const mockStats = new Stats({

warnings: ["firstError"],

hash: "1234"

});

mockStats.hasWarnings().should.be.ok();

});

describe("does not have", () => {

it("hasErrors", () => {

const mockStats = new Stats({

errors: [],

hash: "1234"

});

mockStats.hasErrors().should.not.be.ok();

});

it("hasWarnings", () => {

const mockStats = new Stats({

warnings: [],

hash: "1234"

});

mockStats.hasWarnings().should.not.be.ok();

});

it("formatError handles string errors", () => {

const mockStats = new Stats({

errors: ["firstError"],

warnings: [],

assets: [],

entrypoints: {},

chunks: [],

modules: [],

children: [],

hash: "1234",

mainTemplate: {

getPublicPath: () => "path"

}

});

const obj = mockStats.toJson();

obj.errors[0].should.be.equal("firstError");

});

describe("Presets", () => {

describe("presetToOptions", () => {

it("returns correct object with 'Normal'", () => {

Stats.presetToOptions("Normal").should.eql({});

});

it("truthy values behave as 'normal'", () => {

const normalOpts = Stats.presetToOptions("normal");

Stats.presetToOptions("pizza").should.eql(normalOpts);

Stats.presetToOptions(true).should.eql(normalOpts);

Stats.presetToOptions(1).should.eql(normalOpts);

Stats.presetToOptions("verbose").should.not.eql(normalOpts);

Stats.presetToOptions(false).should.not.eql(normalOpts);

});

it("returns correct object with 'none'", () => {

Stats.presetToOptions("none").should.eql({

all: false

});

it("falsy values behave as 'none'", () => {

const noneOpts = Stats.presetToOptions("none");

Stats.presetToOptions("").should.eql(noneOpts);

Stats.presetToOptions(null).should.eql(noneOpts);

Stats.presetToOptions().should.eql(noneOpts);

Stats.presetToOptions(0).should.eql(noneOpts);

Stats.presetToOptions(false).should.eql(noneOpts);

});

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