gradido/websrc/node_modules/mithril/bundler/tests/test-bundler.js

var o = require("../../ospec/ospec")
var bundle = require("../bundle")

var fs = require("fs")

var ns = "bundler/tests/"
function read(filepath) {
	try {return fs.readFileSync(ns + filepath, "utf8")} catch (e) {}
}
function write(filepath, data) {
	try {var exists = fs.statSync(ns + filepath).isFile()} catch (e) {}
	if (exists) throw new Error("Don't call `write('" + filepath + "')`. Cannot overwrite file")
	fs.writeFileSync(ns + filepath, data, "utf8")
}
function remove(filepath) {
	fs.unlinkSync(ns + filepath)
}

o.spec("bundler", function() {
	o("relative imports works", function() {
		write("a.js", `var b = require("./b")`)
		write("b.js", `module.exports = 1`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar b = 1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("relative imports works with semicolons", function() {
		write("a.js", `var b = require("./b");`)
		write("b.js", `module.exports = 1;`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar b = 1;\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("relative imports works with let", function() {
		write("a.js", `let b = require("./b")`)
		write("b.js", `module.exports = 1`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nlet b = 1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("relative imports works with const", function() {
		write("a.js", 'const b = require("./b")')
		write("b.js", `module.exports = 1`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nconst b = 1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("relative imports works with assignment", function() {
		write("a.js", `var a = {}\na.b = require("./b")`)
		write("b.js", `module.exports = 1`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar a = {}\na.b = 1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("relative imports works with reassignment", function() {
		write("a.js", `var b = {}\nb = require("./b")`)
		write("b.js", `module.exports = 1`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar b = {}\nb = 1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("relative imports removes extra use strict", function() {
		write("a.js", `"use strict"\nvar b = require("./b")`)
		write("b.js", `"use strict"\nmodule.exports = 1`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\n"use strict"\nvar b = 1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("relative imports removes extra use strict using single quotes", function() {
		write("a.js", `'use strict'\nvar b = require("./b")`)
		write("b.js", `'use strict'\nmodule.exports = 1`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\n'use strict'\nvar b = 1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("relative imports removes extra use strict using mixed quotes", function() {
		write("a.js", `"use strict"\nvar b = require("./b")`)
		write("b.js", `'use strict'\nmodule.exports = 1`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\n"use strict"\nvar b = 1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("works w/ window", function() {
		write("a.js", `window.a = 1\nvar b = require("./b")`)
		write("b.js", `module.exports = function() {return a}`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nwindow.a = 1\nvar b = function() {return a}\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("works without assignment", function() {
		write("a.js", `require("./b")`)
		write("b.js", `1 + 1`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\n1 + 1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("works if used fluently", function() {
		write("a.js", `var b = require("./b").toString()`)
		write("b.js", `module.exports = []`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar _0 = []\nvar b = _0.toString()\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("works if used fluently w/ multiline", function() {
		write("a.js", `var b = require("./b")\n\t.toString()`)
		write("b.js", `module.exports = []`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar _0 = []\nvar b = _0\n\t.toString()\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("works if used w/ curry", function() {
		write("a.js", `var b = require("./b")()`)
		write("b.js", `module.exports = function() {}`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar _0 = function() {}\nvar b = _0()\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("works if used w/ curry w/ multiline", function() {
		write("a.js", `var b = require("./b")\n()`)
		write("b.js", `module.exports = function() {}`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar _0 = function() {}\nvar b = _0\n()\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("works if used fluently in one place and not in another", function() {
		write("a.js", `var b = require("./b").toString()\nvar c = require("./c")`)
		write("b.js", `module.exports = []`)
		write("c.js", `var b = require("./b")\nmodule.exports = function() {return b}`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar _0 = []\nvar b = _0.toString()\nvar b0 = _0\nvar c = function() {return b0}\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("c.js")
		remove("out.js")
	})
	o("works if used in sequence", function() {
		write("a.js", `var b = require("./b"), c = require("./c")`)
		write("b.js", `module.exports = 1`)
		write("c.js", `var x\nmodule.exports = 2`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar b = 1\nvar x\nvar c = 2\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("c.js")
		remove("out.js")
	})
	o("works if assigned to property", function() {
		write("a.js", `var x = {}\nx.b = require("./b")\nx.c = require("./c")`)
		write("b.js", `var bb = 1\nmodule.exports = bb`)
		write("c.js", `var cc = 2\nmodule.exports = cc`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar x = {}\nvar bb = 1\nx.b = bb\nvar cc = 2\nx.c = cc\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("c.js")
		remove("out.js")
	})
	o("works if assigned to property using bracket notation", function() {
		write("a.js", `var x = {}\nx["b"] = require("./b")\nx["c"] = require("./c")`)
		write("b.js", `var bb = 1\nmodule.exports = bb`)
		write("c.js", `var cc = 2\nmodule.exports = cc`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar x = {}\nvar bb = 1\nx["b"] = bb\nvar cc = 2\nx["c"] = cc\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("c.js")
		remove("out.js")
	})
	o("works if collision", function() {
		write("a.js", `var b = require("./b")`)
		write("b.js", `var b = 1\nmodule.exports = 2`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar b0 = 1\nvar b = 2\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("works if multiple aliases", function() {
		write("a.js", `var b = require("./b")\n`)
		write("b.js", `var b = require("./c")\nb.x = 1\nmodule.exports = b`)
		write("c.js", `var b = {}\nmodule.exports = b`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar b = {}\nb.x = 1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("c.js")
		remove("out.js")
	})
	o("works if multiple collision", function() {
		write("a.js", `var b = require("./b")\nvar c = require("./c")\nvar d = require("./d")`)
		write("b.js", `var a = 1\nmodule.exports = a`)
		write("c.js", `var a = 2\nmodule.exports = a`)
		write("d.js", `var a = 3\nmodule.exports = a`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar a = 1\nvar b = a\nvar a0 = 2\nvar c = a0\nvar a1 = 3\nvar d = a1\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("c.js")
		remove("d.js")
		remove("out.js")
	})
	o("works if included multiple times", function() {
		write("a.js", `module.exports = 123`)
		write("b.js", `var a = require("./a").toString()\nmodule.exports = a`)
		write("c.js", `var a = require("./a").toString()\nvar b = require("./b")`)
		bundle(ns + "c.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar _0 = 123\nvar a = _0.toString()\nvar a0 = _0.toString()\nvar b = a0\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("c.js")
	})
	o("works if included multiple times reverse", function() {
		write("a.js", `module.exports = 123`)
		write("b.js", `var a = require("./a").toString()\nmodule.exports = a`)
		write("c.js", `var b = require("./b")\nvar a = require("./a").toString()`)
		bundle(ns + "c.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar _0 = 123\nvar a0 = _0.toString()\nvar b = a0\nvar a = _0.toString()\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("c.js")
	})
	o("reuses binding if possible", function() {
		write("a.js", `var b = require("./b")\nvar c = require("./c")`)
		write("b.js", `var d = require("./d")\nmodule.exports = function() {return d + 1}`)
		write("c.js", `var d = require("./d")\nmodule.exports = function() {return d + 2}`)
		write("d.js", `module.exports = 1`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar d = 1\nvar b = function() {return d + 1}\nvar c = function() {return d + 2}\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("c.js")
		remove("d.js")
		remove("out.js")
	})
	o("disambiguates conflicts if imported collides with itself", function() {
		write("a.js", `var b = require("./b")`)
		write("b.js", `var b = 1\nmodule.exports = function() {return b}`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar b0 = 1\nvar b = function() {return b0}\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("disambiguates conflicts if imported collides with something else", function() {
		write("a.js", `var a = 1\nvar b = require("./b")`)
		write("b.js", `var a = 2\nmodule.exports = function() {return a}`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar a = 1\nvar a0 = 2\nvar b = function() {return a0}\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("disambiguates conflicts if imported collides with function declaration", function() {
		write("a.js", `function a() {}\nvar b = require("./b")`)
		write("b.js", `var a = 2\nmodule.exports = function() {return a}`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nfunction a() {}\nvar a0 = 2\nvar b = function() {return a0}\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("disambiguates conflicts if imported collides with another module's private", function() {
		write("a.js", `var b = require("./b")\nvar c = require("./c")`)
		write("b.js", `var a = 1\nmodule.exports = function() {return a}`)
		write("c.js", `var a = 2\nmodule.exports = function() {return a}`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar a = 1\nvar b = function() {return a}\nvar a0 = 2\nvar c = function() {return a0}\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("c.js")
		remove("out.js")
	})
	o("does not mess up strings", function() {
		write("a.js", `var b = require("./b")`)
		write("b.js", `var b = "b b b \\\" b"\nmodule.exports = function() {return b}`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar b0 = "b b b \\\" b"\nvar b = function() {return b0}\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
	o("does not mess up properties", function() {
		write("a.js", `var b = require("./b")`)
		write("b.js", `var b = {b: 1}\nmodule.exports = function() {return b.b}`)
		bundle(ns + "a.js", ns + "out.js")
		
		o(read("out.js")).equals(`new function() {\nvar b0 = {b: 1}\nvar b = function() {return b0.b}\n}`)
		
		remove("a.js")
		remove("b.js")
		remove("out.js")
	})
})