auto_tests/tests/utils_test.js

   1 /**
   2  * @fileoverview Tests for stand-alone functions in dygraph-utils.js
   3  *
   4  * @author danvdk@gmail.com (Dan Vanderkam)
   5  */
   6
   7 var UtilsTestCase = TestCase("utils-tests");
   8
   9 UtilsTestCase.prototype.testUpdate = function() {
  10   var a = {
  11     a: 1,
  12     b: [1, 2, 3],
  13     c: { x: 1, y: 2},
  14     d: { f: 10, g: 20}
  15   };
  16   assertEquals(1, a['a']);
  17   assertEquals([1, 2, 3], a['b']);
  18   assertEquals({x: 1, y: 2}, a['c']);
  19   assertEquals({f: 10, g: 20}, a['d']);
  20
  21   Dygraph.update(a, { c: { x: 2 } });
  22   assertEquals({x: 2}, a['c']);
  23
  24   Dygraph.update(a, { d: null });
  25   assertEquals(null, a['d']);
  26
  27   Dygraph.update(a, { a: 10, b: [1, 2] });
  28   assertEquals(10, a['a']);
  29   assertEquals([1, 2], a['b']);
  30   assertEquals({x: 2}, a['c']);
  31   assertEquals(null, a['d']);
  32 };
  33
  34 UtilsTestCase.prototype.testUpdateDeep = function() {
  35   var a = {
  36     a: 1,
  37     b: [1, 2, 3],
  38     c: { x: 1, y: 2},
  39     d: { f: 10, g: 20}
  40   };
  41   assertEquals(1, a['a']);
  42   assertEquals([1, 2, 3], a['b']);
  43   assertEquals({x: 1, y: 2}, a['c']);
  44   assertEquals({f: 10, g: 20}, a['d']);
  45
  46   Dygraph.updateDeep(a, { c: { x: 2 } });
  47   assertEquals({x: 2, y: 2}, a['c']);
  48
  49   Dygraph.updateDeep(a, { d: null });
  50   assertEquals(null, a['d']);
  51
  52   Dygraph.updateDeep(a, { a: 10, b: [1, 2] });
  53   assertEquals(10, a['a']);
  54   assertEquals([1, 2], a['b']);
  55   assertEquals({x: 2, y: 2}, a['c']);
  56   assertEquals(null, a['d']);
  57 };
  58
  59 UtilsTestCase.prototype.testUpdateDeepDecoupled = function() {
  60   var a = {
  61     a: 1,
  62     b: [1, 2, 3],
  63     c: { x: "original", y: 2},
  64   };
  65
  66   var b = {};
  67   Dygraph.updateDeep(b, a);
  68
  69   b.a = 2;
  70   assertEquals(1, a.a);
  71
  72   b.b[0] = 2;
  73   assertEquals(1, a.b[0]);
  74
  75   b.c.x = "new value";
  76   assertEquals("original", a.c.x);
  77 };