mirror of https://github.com/webpack/webpack.git
74 lines
2.6 KiB
JavaScript
74 lines
2.6 KiB
JavaScript
var should = require("should");
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var path = require("path");
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var fs = require("fs");
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var webpack = require("../");
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describe("HotModuleReplacementPlugin", function() {
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this.timeout(10000);
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it("should not have circular hashes but equal if unmodified", function(done) {
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var entryFile = path.join(__dirname, "js", "entry.js");
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var statsFile1 = path.join(__dirname, "js", "HotModuleReplacementPlugin.test.stats1.txt");
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var statsFile2 = path.join(__dirname, "js", "HotModuleReplacementPlugin.test.stats2.txt");
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var recordsFile = path.join(__dirname, "js", "records.json");
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try {
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fs.mkdirSync(path.join(__dirname, "js"));
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} catch(e) {}
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try {
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fs.unlinkSync(recordsFile);
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} catch(e) {}
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var compiler = webpack({
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cache: false,
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entry: entryFile,
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recordsPath: recordsFile,
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output: {
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path: path.join(__dirname, "js")
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},
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plugins: [
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new webpack.HotModuleReplacementPlugin(),
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new webpack.optimize.OccurrenceOrderPlugin()
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]
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});
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fs.writeFileSync(entryFile, "1", "utf-8");
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compiler.run(function(err, stats) {
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if(err) throw err;
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var oldHash1 = stats.toJson().hash;
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fs.writeFileSync(statsFile1, stats.toString());
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compiler.run(function(err, stats) {
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if(err) throw err;
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var lastHash1 = stats.toJson().hash;
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fs.writeFileSync(statsFile2, stats.toString());
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lastHash1.should.be.eql(oldHash1, "hash shouldn't change when bundle stay equal");
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fs.writeFileSync(entryFile, "2", "utf-8");
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compiler.run(function(err, stats) {
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if(err) throw err;
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var lastHash2 = stats.toJson().hash;
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fs.writeFileSync(statsFile1, stats.toString());
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lastHash2.should.not.be.eql(lastHash1, "hash should change when bundle changes");
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fs.writeFileSync(entryFile, "1", "utf-8");
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compiler.run(function(err, stats) {
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if(err) throw err;
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var currentHash1 = stats.toJson().hash;
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fs.writeFileSync(statsFile2, stats.toString());
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currentHash1.should.not.be.eql(lastHash1, "hash shouldn't change to the first hash if bundle changed back to first bundle");
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fs.writeFileSync(entryFile, "2", "utf-8");
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compiler.run(function(err, stats) {
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if(err) throw err;
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var currentHash2 = stats.toJson().hash;
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fs.writeFileSync(statsFile1, stats.toString());
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compiler.run(function(err, stats) {
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if(err) throw err;
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stats.toJson().hash.should.be.eql(currentHash2);
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currentHash2.should.not.be.eql(lastHash2);
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currentHash1.should.not.be.eql(currentHash2);
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lastHash1.should.not.be.eql(lastHash2);
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done();
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});
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});
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});
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});
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});
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});
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});
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});
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