Files
UglifyJS/test/mocha/sourcemaps.js
2018-06-06 17:50:56 +08:00

225 lines
9.1 KiB
JavaScript

var assert = require("assert");
var readFileSync = require("fs").readFileSync;
var Uglify = require("../../");
function read(path) {
return readFileSync(path, "utf8");
}
function source_map(code) {
return JSON.parse(Uglify.minify(code, {
compress: false,
mangle: false,
sourceMap: true,
}).map);
}
describe("sourcemaps", function() {
it("Should give correct version", function() {
var map = source_map("var x = 1 + 1;");
assert.strictEqual(map.version, 3);
assert.deepEqual(map.names, [ "x" ]);
});
it("Should give correct names", function() {
var map = source_map([
"({",
" get enabled() {",
" return 3;",
" },",
" set enabled(x) {",
" ;",
" }",
"});",
].join("\n"));
assert.deepEqual(map.names, [ "enabled", "x" ]);
});
it("Should mark array/object literals", function() {
var result = Uglify.minify([
"var obj = {};",
"obj.wat([]);",
].join("\n"), {
sourceMap: true,
toplevel: true,
});
if (result.error) throw result.error;
assert.strictEqual(result.code, "({}).wat([]);");
assert.strictEqual(result.map, '{"version":3,"sources":["0"],"names":["wat"],"mappings":"CAAU,IACNA,IAAI"}');
});
it("Should give correct sourceRoot", function() {
var code = "console.log(42);";
var result = Uglify.minify(code, {
sourceMap: {
root: "//foo.bar/",
},
});
if (result.error) throw result.error;
assert.strictEqual(result.code, code);
assert.strictEqual(result.map, '{"version":3,"sources":["0"],"names":["console","log"],"mappings":"AAAAA,QAAQC,IAAI","sourceRoot":"//foo.bar/"}');
});
describe("inSourceMap", function() {
it("Should read the given string filename correctly when sourceMapIncludeSources is enabled (#1236)", function() {
var result = Uglify.minify(read("./test/input/issue-1236/simple.js"), {
sourceMap: {
content: read("./test/input/issue-1236/simple.js.map"),
filename: "simple.min.js",
includeSources: true
}
});
if (result.error) throw result.error;
var map = JSON.parse(result.map);
assert.equal(map.file, "simple.min.js");
assert.equal(map.sourcesContent.length, 1);
assert.equal(map.sourcesContent[0], 'let foo = x => "foo " + x;\nconsole.log(foo("bar"));');
});
it("Should process inline source map", function() {
var result = Uglify.minify(read("./test/input/issue-520/input.js"), {
compress: { toplevel: true },
sourceMap: {
content: "inline",
includeSources: true,
url: "inline"
}
});
if (result.error) throw result.error;
assert.strictEqual(result.code + "\n", readFileSync("test/input/issue-520/output.js", "utf8"));
});
it("Should warn for missing inline source map", function() {
var warn_function = Uglify.AST_Node.warn_function;
var warnings = [];
Uglify.AST_Node.warn_function = function(txt) {
warnings.push(txt);
};
try {
var result = Uglify.minify(read("./test/input/issue-1323/sample.js"), {
mangle: false,
sourceMap: {
content: "inline"
}
});
assert.strictEqual(result.code, "var bar=function(bar){return bar};");
assert.strictEqual(warnings.length, 1);
assert.strictEqual(warnings[0], "inline source map not found: 0");
} finally {
Uglify.AST_Node.warn_function = warn_function;
}
});
it("Should handle multiple input and inline source map", function() {
var warn_function = Uglify.AST_Node.warn_function;
var warnings = [];
Uglify.AST_Node.warn_function = function(txt) {
warnings.push(txt);
};
try {
var result = Uglify.minify([
read("./test/input/issue-520/input.js"),
read("./test/input/issue-1323/sample.js"),
], {
sourceMap: {
content: "inline",
url: "inline",
}
});
if (result.error) throw result.error;
assert.strictEqual(result.code, [
"var Foo=function(){console.log(3)};new Foo;var bar=function(o){return o};",
"//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbInN0ZGluIiwiMSJdLCJuYW1lcyI6WyJGb28iLCJjb25zb2xlIiwibG9nIiwiYmFyIl0sIm1hcHBpbmdzIjoiQUFBQSxJQUFNQSxJQUFJLFdBQWdCQyxRQUFRQyxJQUFJLElBQVMsSUFBSUYsSUNBbkQsSUFBSUcsSUFDQSxTQUFjQSxHQUNWLE9BQU9BIn0=",
].join("\n"));
assert.strictEqual(warnings.length, 1);
assert.strictEqual(warnings[0], "inline source map not found: 1");
} finally {
Uglify.AST_Node.warn_function = warn_function;
}
});
it("Should drop source contents for includeSources=false", function() {
var result = Uglify.minify(read("./test/input/issue-520/input.js"), {
compress: false,
mangle: false,
sourceMap: {
content: "inline",
includeSources: true,
},
});
if (result.error) throw result.error;
var map = JSON.parse(result.map);
assert.strictEqual(map.sourcesContent.length, 1);
result = Uglify.minify(result.code, {
compress: false,
mangle: false,
sourceMap: {
content: result.map,
},
});
if (result.error) throw result.error;
map = JSON.parse(result.map);
assert.ok(!("sourcesContent" in map));
});
});
describe("sourceMapInline", function() {
it("Should append source map to output js when sourceMapInline is enabled", function() {
var result = Uglify.minify('var a = function(foo) { return foo; };', {
sourceMap: {
url: "inline"
}
});
if (result.error) throw result.error;
var code = result.code;
assert.strictEqual(code, "var a=function(n){return n};\n" +
"//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIjAiXSwibmFtZXMiOlsiYSIsImZvbyJdLCJtYXBwaW5ncyI6IkFBQUEsSUFBSUEsRUFBSSxTQUFTQyxHQUFPLE9BQU9BIn0=");
});
it("Should not append source map to output js when sourceMapInline is not enabled", function() {
var result = Uglify.minify('var a = function(foo) { return foo; };');
if (result.error) throw result.error;
var code = result.code;
assert.strictEqual(code, "var a=function(n){return n};");
});
it("Should work with max_line_len", function() {
var result = Uglify.minify(read("./test/input/issue-505/input.js"), {
output: {
max_line_len: 20
},
sourceMap: {
url: "inline"
}
});
if (result.error) throw result.error;
assert.strictEqual(result.code, read("./test/input/issue-505/output.js"));
});
it("Should work with unicode characters", function() {
var code = [
"var tëst = '→unicøde←';",
"alert(tëst);",
].join("\n");
var result = Uglify.minify(code, {
sourceMap: {
includeSources: true,
url: "inline",
}
});
if (result.error) throw result.error;
var map = JSON.parse(result.map);
assert.strictEqual(map.sourcesContent.length, 1);
assert.strictEqual(map.sourcesContent[0], code);
var encoded = result.code.slice(result.code.lastIndexOf(",") + 1);
map = JSON.parse(new Buffer(encoded, "base64").toString());
assert.strictEqual(map.sourcesContent.length, 1);
assert.strictEqual(map.sourcesContent[0], code);
result = Uglify.minify(result.code, {
sourceMap: {
content: "inline",
includeSources: true,
}
});
if (result.error) throw result.error;
map = JSON.parse(result.map);
assert.strictEqual(map.names.length, 2);
assert.strictEqual(map.names[0], "tëst");
assert.strictEqual(map.names[1], "alert");
});
});
});