tenfourfox/addon-sdk/source/lib/diffpatcher/test/patch.js
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

84 lines
2.5 KiB
JavaScript

"use strict";
var patch = require("../patch")
exports["test patch delete"] = function(assert) {
var hash = { a: 1, b: 2 }
assert.deepEqual(patch(hash, { a: null }), { b: 2 }, "null removes property")
}
exports["test patch delete with void"] = function(assert) {
var hash = { a: 1, b: 2 }
assert.deepEqual(patch(hash, { a: void(0) }), { b: 2 },
"void(0) removes property")
}
exports["test patch delete missing"] = function(assert) {
assert.deepEqual(patch({ a: 1, b: 2 }, { c: null }),
{ a: 1, b: 2 },
"null removes property if exists");
assert.deepEqual(patch({ a: 1, b: 2 }, { c: void(0) }),
{ a: 1, b: 2 },
"void removes property if exists");
}
exports["test delete deleted"] = function(assert) {
assert.deepEqual(patch({ a: null, b: 2, c: 3, d: void(0)},
{ a: void(0), b: null, d: null }),
{c: 3},
"removed all existing and non existing");
}
exports["test update deleted"] = function(assert) {
assert.deepEqual(patch({ a: null, b: void(0), c: 3},
{ a: { b: 2 } }),
{ a: { b: 2 }, c: 3 },
"replace deleted");
}
exports["test patch delete with void"] = function(assert) {
var hash = { a: 1, b: 2 }
assert.deepEqual(patch(hash, { a: void(0) }), { b: 2 },
"void(0) removes property")
}
exports["test patch addition"] = function(assert) {
var hash = { a: 1, b: 2 }
assert.deepEqual(patch(hash, { c: 3 }), { a: 1, b: 2, c: 3 },
"new properties are added")
}
exports["test patch addition"] = function(assert) {
var hash = { a: 1, b: 2 }
assert.deepEqual(patch(hash, { c: 3 }), { a: 1, b: 2, c: 3 },
"new properties are added")
}
exports["test hash on itself"] = function(assert) {
var hash = { a: 1, b: 2 }
assert.deepEqual(patch(hash, hash), hash,
"applying hash to itself returns hash itself")
}
exports["test patch with empty delta"] = function(assert) {
var hash = { a: 1, b: 2 }
assert.deepEqual(patch(hash, {}), hash,
"applying empty delta results in no changes")
}
exports["test patch nested data"] = function(assert) {
assert.deepEqual(patch({ a: { b: 1 }, c: { d: 2 } },
{ a: { b: null, e: 3 }, c: { d: 4 } }),
{ a: { e: 3 }, c: { d: 4 } },
"nested structures can also be patched")
}