add stats test for the warnings filter in the uglifyjsplugin

timse · timse · commit 5b96f0027929 · 2017-02-09T22:07:59.000+11:00
diff --git a/test/statsCases/warnings-uglifyjs/a.js b/test/statsCases/warnings-uglifyjs/a.js
@@ -0,0 +1,7 @@
+module.export = function someUsedFunction() {};
+
+function someUnRemoteUsedFunction1() {}
+function someUnRemoteUsedFunction2() {}
+function someUnRemoteUsedFunction3() {}
+function someUnRemoteUsedFunction4() {}
+function someUnRemoteUsedFunction5() {}
diff --git a/test/statsCases/warnings-uglifyjs/expected.txt b/test/statsCases/warnings-uglifyjs/expected.txt
@@ -0,0 +1,15 @@
+Hash: 4beee256fa6b8f69eae8
+Time: Xms
+    Asset    Size  Chunks             Chunk Names
+bundle.js  2.3 kB       0  [emitted]  main
+chunk    {0} bundle.js (main) 1.04 kB [entry] [rendered]
+   [0] (webpack)/buildin/module.js 495 bytes {0} [built]
+   [1] (webpack)/test/statsCases/warnings-uglifyjs/a.js 249 bytes {0} [built]
+   [2] (webpack)/test/statsCases/warnings-uglifyjs/index.js 299 bytes {0} [built]
+
+WARNING in bundle.js from UglifyJs
+Dropping unused function someUnUsedFunction1 [./index.js:8,0]
+Dropping unused function someUnUsedFunction2 [./index.js:9,0]
+Dropping unused function someUnUsedFunction3 [./index.js:10,0]
+Dropping unused function someUnUsedFunction4 [./index.js:11,0]
+Dropping unused function someUnUsedFunction5 [./index.js:12,0]
diff --git a/test/statsCases/warnings-uglifyjs/index.js b/test/statsCases/warnings-uglifyjs/index.js
@@ -0,0 +1,12 @@
+var someRequiredUsedFunction = require("./a");
+
+function someUsedFunction() {}
+
+someRequiredUsedFunction();
+someUsedFunction();
+
+function someUnUsedFunction1() {}
+function someUnUsedFunction2() {}
+function someUnUsedFunction3() {}
+function someUnUsedFunction4() {}
+function someUnUsedFunction5() {}
diff --git a/test/statsCases/warnings-uglifyjs/webpack.config.js b/test/statsCases/warnings-uglifyjs/webpack.config.js
@@ -0,0 +1,26 @@
+var webpack = require("webpack");
+
+module.exports = {
+	entry: "./index",
+	output: {
+		filename: "bundle.js"
+	},
+	plugins: [new webpack.optimize.UglifyJsPlugin({
+		warningsFilter: function(filename) {
+			return !/a\.js$/.test(filename);
+		},
+		sourceMap: true,
+		compress: {
+			warnings: true,
+		},
+		mangle: false,
+		beautify: true,
+		comments: false
+	})],
+	stats: {
+		chunkModules: false,
+		modules: true,
+		providedExports: true,
+		usedExports: true
+	}
+};
