planning

node_modules/sort-object/test.js

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+/*!
+ * sort-keys <https://github.com/helpers/sort-keys>
+ *
+ * Copyright (c) 2014 Brian Woodward, Jon Schlinkert, contributors.
+ * Licensed under the MIT License
+ */
+
+'use strict';
+
+var should = require('should');
+var assert = require('assert');
+var sortAsc = require('sort-asc');
+var sortDesc = require('sort-desc');
+var sortObj = require('./');
+
+describe('sort object', function () {
+  it('should create a new object with only the given keys.', function () {
+    var o = {a: 1, c: 2, b: 3};
+    var actual = sortObj(o, {keys: ['a', 'b']});
+
+    Object.keys(actual)[0].should.equal('a');
+    Object.keys(actual)[1].should.equal('b');
+    actual.should.not.have.property('c');
+  });
+
+  it('should sort the keys on an object with alphabetical keys', function () {
+    var o = {a: 1, c: 2, b: 3};
+    var actual = sortObj(o);
+
+    Object.keys(actual)[0].should.equal('a');
+    Object.keys(actual)[1].should.equal('b');
+    Object.keys(actual)[2].should.equal('c');
+  });
+
+  it('should sort the keys on an object with numerical keys', function () {
+    var o = {1: 1, 3: 3, 2: 2};
+    var actual = sortObj(o);
+
+    Object.keys(actual)[0].should.equal('1');
+    Object.keys(actual)[1].should.equal('2');
+    Object.keys(actual)[2].should.equal('3');
+  });
+
+  it('should sort the keys on an object in descending order.', function () {
+    var o = {a: 1, c: 2, b: 3};
+    var actual = sortObj(o, {sortOrder: 'desc'});
+
+    Object.keys(actual)[0].should.equal('a');
+    Object.keys(actual)[1].should.equal('b');
+    Object.keys(actual)[2].should.equal('c');
+  });
+
+  it('should sort the keys on an object in ascending order.', function () {
+    var o = {a: 1, c: 2, b: 3};
+    var actual = sortObj(o, {sortOrder: 'asc'});
+
+    Object.keys(actual)[0].should.equal('c');
+    Object.keys(actual)[1].should.equal('b');
+    Object.keys(actual)[2].should.equal('a');
+  });
+
+  it('should sort the keys using a custom function.', function () {
+    var o = {a: 1, c: 2, e: 5, d: 4, b: 3};
+    var actual = sortObj(o, {
+      sort: function (a, b) {
+        return a < b ? -1 : 1;
+      }
+    });
+    actual.should.eql({a: 1, b: 3, c: 2, d: 4, e: 5});
+
+    Object.keys(actual)[0].should.equal('a');
+    Object.keys(actual)[1].should.equal('b');
+    Object.keys(actual)[2].should.equal('c');
+  });
+
+  it('should sort keys to the order in the given array.', function () {
+    var o = sortObj({a: 'a', b: 'b', c: 'c'}, ['c', 'a', 'b']);
+
+    Object.keys(o)[0].should.equal('c');
+    Object.keys(o)[1].should.equal('a');
+    Object.keys(o)[2].should.equal('b');
+  });
+
+  it('should use a function to sort keys in the given array.', function () {
+    var o = sortObj({a: 'a', b: 'b', c: 'c'}, {
+      keys: ['c', 'a'],
+      sort: sortDesc
+    });
+
+    Object.keys(o)[0].should.equal('a');
+    Object.keys(o)[1].should.equal('c');
+    o.should.not.have.property('b');
+  });
+
+  it('should use a function to sort keys in the given array.', function () {
+    var o = sortObj({a: 'a', b: 'b', c: 'c'}, {
+      keys: ['b', 'a'],
+      sort: sortAsc
+    });
+
+    Object.keys(o)[0].should.equal('b');
+    Object.keys(o)[1].should.equal('a');
+    o.should.not.have.property('c');
+  });
+
+
+  it('should use a `sortBy` function to return an array of keys to sort by.', function () {
+    var old = {one: 'aa', two: 'bc', three: 'ab'};
+    var o = sortObj(old, {
+      sortBy: function (obj) {
+        var arr = [];
+        Object.keys(obj).filter(function(key) {
+          if (/^a/.test(obj[key])) {
+            arr.push(key);
+          }
+        });
+        return arr.reverse();
+      }
+    });
+
+    Object.keys(o).length.should.equal(2);
+    Object.keys(o)[0].should.equal('three');
+    Object.keys(o)[1].should.equal('one');
+  });
+});