49 lines
1.0 KiB
JavaScript

var test = require("tap").test;
var chain = require('../../');
var produce = require('../produce.js');
Error.stackTraceLimit = Infinity;
test("stack extend part", function (t) {
var modify = function (text) {
return function (error, frames) {
if (error.test) {
frames.push(text);
}
return frames;
};
};
t.test("no extend modifier attached", function (t) {
var error = new Error();
error.test = error;
var original = chain.originalCallSite(error).length;
var mutated = chain.mutatedCallSite(error).length;
t.strictEqual(mutated, original);
t.end();
});
t.test("attach modifier", function (t) {
var error = new Error();
error.test = error;
var wonderLand = modify("wonder land");
chain.extend.attach(wonderLand);
var original = chain.originalCallSite(error).length;
var mutated = chain.mutatedCallSite(error).length;
t.strictEqual(mutated, original + 1);
chain.extend.deattach(wonderLand);
t.end();
});
t.end();
});