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mohemmionic5/Mohem/node_modules_/source-map-loader/test/index.test.js

307 lines
9.1 KiB
JavaScript

var path = require("path");
var fs = require("fs");
var should = require("should");
var loader = require("../");
function execLoader(filename, callback) {
var async = false;
var deps = [];
var warns = [];
var context = {
context: path.dirname(filename),
resolve: function(context, request, callback) {
process.nextTick(function() {
var p = path.isAbsolute(request) ? request : path.resolve(context, request);
if(fs.existsSync(p))
callback(null, p);
else
callback(new Error("File not found"));
});
},
addDependency: function(dep) {
deps.push(dep);
},
emitWarning: function(warn) {
warns.push(warn);
},
callback: function(err, res, map) {
async = true;
callback(err, res, map, deps, warns);
},
async: function() {
async = true;
return this.callback;
}
};
// Remove CRs to make test line ending invariant
var fixtureContent = fs.readFileSync(filename, "utf-8").replace(/\r/g, '');
var res = loader.call(context, fixtureContent);
if(!async) return callback(null, res, null, deps, warns);
}
describe("source-map-loader", function() {
const fixturesPath = path.join(__dirname, "fixtures");
const dataPath = path.join(fixturesPath, "data");
it("should leave normal files untouched", function(done) {
execLoader(path.join(fixturesPath, "normal-file.js"), function(err, res, map, deps, warns) {
should.equal(err, null);
warns.should.be.eql([]);
should.equal(res, "without SourceMap"),
should.equal(map, null);
deps.should.be.eql([]);
done();
});
});
it("should process inlined SourceMaps", function(done) {
execLoader(path.join(fixturesPath, "inline-source-map.js"), function(err, res, map, deps, warns) {
should.equal(err, null);
warns.should.be.eql([]);
should.equal(res, "with SourceMap\n// comment"),
map.should.be.eql({
"version":3,
"file":"inline-source-map.js",
"sources":[
"inline-source-map.txt"
],
"sourcesContent":["with SourceMap"],
"mappings":"AAAA"
});
deps.should.be.eql([]);
done();
});
});
it("should process external SourceMaps", function(done) {
execLoader(path.join(fixturesPath, "external-source-map.js"), function(err, res, map, deps, warns) {
should.equal(err, null);
warns.should.be.eql([]);
should.equal(res, "with SourceMap\n// comment"),
map.should.be.eql({
"version":3,
"file":"external-source-map.js",
"sources":[
"external-source-map.txt"
],
"sourcesContent":["with SourceMap"],
"mappings":"AAAA"
});
deps.should.be.eql([
path.join(fixturesPath, "external-source-map.map")
]);
done();
});
});
it("should process external SourceMaps (external sources)", function(done) {
execLoader(path.join(fixturesPath, "external-source-map2.js"), function(err, res, map, deps, warns) {
should.equal(err, null);
warns.should.be.eql([]);
should.equal(res, "with SourceMap\n// comment"),
map.should.be.eql({
"version":3,
"file":"external-source-map2.js",
"sources":[
path.join(fixturesPath, "external-source-map2.txt")
],
"sourcesContent":["with SourceMap"],
"mappings":"AAAA"
});
deps.should.be.eql([
path.join(dataPath, "external-source-map2.map"),
path.join(fixturesPath, "external-source-map2.txt")
]);
done();
});
});
it("should use last SourceMap directive", function (done) {
execLoader(path.join(fixturesPath, "multi-source-map.js"), function (err, res, map, deps, warns) {
should.equal(err, null);
warns.should.be.eql([]);
should.equal(res, "with SourceMap\nanInvalidDirective = \"\\n/*# sourceMappingURL=data:application/json;base64,\"+btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap))))+\" */\";\n// comment"),
map.should.be.eql({
"version": 3,
"file": "inline-source-map.js",
"sources": [
"inline-source-map.txt"
],
"sourcesContent": ["with SourceMap"],
"mappings": "AAAA"
});
deps.should.be.eql([]);
done();
});
});
it("should skip invalid base64 SourceMap", function (done) {
execLoader(path.join(fixturesPath, "invalid-inline-source-map.js"), function (err, res, map, deps, warns) {
should.equal(err, null);
warns.should.be.eql([]);
should.equal(res, "without SourceMap\n// @sourceMappingURL=data:application/source-map;base64,\"something invalid\"\n// comment");
should.equal(map, null);
deps.should.be.eql([]);
done();
});
});
it("should warn on invalid base64 SourceMap", function (done) {
execLoader(path.join(fixturesPath, "invalid-inline-source-map2.js"), function (err, res, map, deps, warns) {
should.equal(err, null);
warns.should.matchEach(
new RegExp("Cannot parse inline SourceMap 'invalid\/base64=': SyntaxError: Unexpected token")
);
should.equal(res, "without SourceMap\n// @sourceMappingURL=data:application/source-map;base64,invalid/base64=\n// comment");
should.equal(map, null);
deps.should.be.eql([]);
done();
});
});
it("should warn on invalid SourceMap", function (done) {
execLoader(path.join(fixturesPath, "invalid-source-map.js"), function (err, res, map, deps, warns) {
should.equal(err, null);
warns.should.matchEach(
new RegExp("Cannot parse SourceMap 'invalid-source-map.map': SyntaxError: Unexpected string in JSON at position 102")
);
should.equal(res, "with SourceMap\n//#sourceMappingURL=invalid-source-map.map\n// comment");
should.equal(map, null);
deps.should.be.eql([
path.join(fixturesPath, "invalid-source-map.map")
]);
done();
});
});
it("should warn on missing SourceMap", function(done) {
execLoader(path.join(fixturesPath, "missing-source-map.js"), function(err, res, map, deps, warns) {
should.equal(err, null);
warns.should.be.eql([
"Cannot find SourceMap 'missing-source-map.map': Error: File not found"
]);
should.equal(res, "with SourceMap\n//#sourceMappingURL=missing-source-map.map\n// comment"),
should.equal(map, null);
deps.should.be.eql([]);
done();
});
});
it("should warn on missing source file", function(done) {
execLoader(path.join(fixturesPath, "missing-source-map2.js"), function(err, res, map, deps, warns) {
should.equal(err, null);
warns.should.be.eql([
"Cannot find source file 'missing-source-map2.txt': Error: File not found"
]);
should.equal(res, "with SourceMap\n// comment"),
map.should.be.eql({
"version":3,
"file":"missing-source-map2.js",
"sources":[
"missing-source-map2.txt"
],
"sourcesContent":[null],
"mappings":"AAAA"
});
deps.should.be.eql([
path.join(fixturesPath, "missing-source-map2.map")
]);
done();
});
});
it("should process inlined SourceMaps with charset", function(done) {
execLoader(path.join(fixturesPath, "charset-inline-source-map.js"), function(err, res, map, deps, warns) {
should.equal(err, null);
warns.should.be.eql([]);
should.equal(res, "with SourceMap\n// comment"),
map.should.be.eql({
"version":3,
"file":"charset-inline-source-map.js",
"sources":[
"charset-inline-source-map.txt"
],
"sourcesContent":["with SourceMap"],
"mappings":"AAAA"
});
deps.should.be.eql([]);
done();
});
});
it("should support absolute sourceRoot paths in sourcemaps", (done) => {
const sourceRoot = path.join(fixturesPath);
const javaScriptFilename = "absolute-sourceRoot-source-map.js";
const sourceFilename = "absolute-sourceRoot-source-map.txt";
const rootRelativeSourcePath = path.join(sourceRoot, sourceFilename);
const sourceMapPath = path.join(sourceRoot, "absolute-sourceRoot-source-map.map");
// Create the sourcemap file
const rawSourceMap = {
"version": 3,
"file": javaScriptFilename,
"sourceRoot": sourceRoot,
"sources": [
sourceFilename
],
"mappings": "AAAA"
};
fs.writeFileSync(sourceMapPath, JSON.stringify(rawSourceMap));
execLoader(
path.join(fixturesPath, javaScriptFilename),
(err, res, map, deps, warns) => {
should.equal(err, null);
warns.should.be.eql([]);
should.equal(res, "with SourceMap\n// comment"),
map.should.be.eql({
"version": 3,
"file": javaScriptFilename,
"sources": [
rootRelativeSourcePath
],
"sourcesContent": [
"with SourceMap\n// comment"
],
"mappings": "AAAA"
});
deps.should.be.eql([
sourceMapPath,
rootRelativeSourcePath
]);
done();
}
);
});
it("should support relative sourceRoot paths in sourcemaps", (done) => {
const javaScriptFilename = "relative-sourceRoot-source-map.js";
const sourceFilename = "relative-sourceRoot-source-map.txt";
const rootRelativeSourcePath = path.join(dataPath, sourceFilename);
const sourceMapPath = path.join(fixturesPath, "relative-sourceRoot-source-map.map");
execLoader(
path.join(fixturesPath, javaScriptFilename),
(err, res, map, deps, warns) => {
should.equal(err, null);
warns.should.be.eql([]);
should.equal(res, "with SourceMap\n// comment"),
map.should.be.eql({
"version": 3,
"file": javaScriptFilename,
"sources": [
rootRelativeSourcePath
],
"sourcesContent": [
"with SourceMap\n// comment"
],
"mappings": "AAAA"
});
deps.should.be.eql([
sourceMapPath,
rootRelativeSourcePath
]);
done();
}
);
});
});