easypiechart.percentage.spec.js 4.3 KB

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  1. "use strict";
  2. describe("percentage calculations for easy pie charts with dynamic range", function () {
  3. it("should return positive value, if value greater than dynamic max", function () {
  4. var state = createState(null, null);
  5. var result = NETDATA.easypiechartPercentFromValueMinMax(state, 6, 2, 10);
  6. expect(result).toBe(60);
  7. });
  8. it("should return negative value, if value lesser than dynamic min", function () {
  9. var state = createState(null, null);
  10. var result = NETDATA.easypiechartPercentFromValueMinMax(state, -6, -10, 10);
  11. expect(result).toBe(-60);
  12. });
  13. it("should return 0 if value is zero and min negative, max positive", function () {
  14. var state = createState(null, null);
  15. var result = NETDATA.easypiechartPercentFromValueMinMax(state, 0, -1, 2);
  16. expect(result).toBe(0);
  17. });
  18. it("should return 0.1 if value and min are zero and max positive", function () {
  19. var state = createState(null, null);
  20. var result = NETDATA.easypiechartPercentFromValueMinMax(state, 0, 0, 2);
  21. expect(result).toBe(0.1);
  22. });
  23. it("should return -0.1 if value is zero, max and min negative", function () {
  24. var state = createState(null, null);
  25. var result = NETDATA.easypiechartPercentFromValueMinMax(state, 0, -2, -1);
  26. expect(result).toBe(-0.1);
  27. });
  28. it("should return positive value, if max is user-defined", function () {
  29. var state = createState(null, 50);
  30. var result = NETDATA.easypiechartPercentFromValueMinMax(state, 46, -40, 50);
  31. expect(result).toBe(92);
  32. });
  33. it("should return negative value, if min is user-defined", function () {
  34. var state = createState(-50, null);
  35. var result = NETDATA.easypiechartPercentFromValueMinMax(state, -46, -50, 40);
  36. expect(result).toBe(-92);
  37. });
  38. });
  39. describe("percentage calculations for easy pie charts with fixed range", function () {
  40. it("should return positive value, if min and max are user-defined", function () {
  41. var state = createState(40, 50);
  42. var result = NETDATA.easypiechartPercentFromValueMinMax(state, 46, 40, 50);
  43. expect(result).toBe(60);
  44. });
  45. it("should return 100 if positive min and max are user-defined, but value is greater than max", function () {
  46. var state = createState(40, 50);
  47. var result = NETDATA.easypiechartPercentFromValueMinMax(state, 60, 40, 50);
  48. expect(result).toBe(100);
  49. });
  50. it("should return 0.1 if positive min and max are user-defined, but value is smaller than min", function () {
  51. var state = createState(40, 50);
  52. var result = NETDATA.easypiechartPercentFromValueMinMax(state, 39.9, 42, 48);
  53. expect(result).toBe(0.1);
  54. });
  55. it("should return -100 if negative min and max are user-defined, but value is smaller than min", function () {
  56. var state = createState(-40, -50);
  57. var result = NETDATA.easypiechartPercentFromValueMinMax(state, -50.1, -40, -50);
  58. expect(result).toBe(-100);
  59. });
  60. it("should return 0.1 if negative min and max are user-defined, but value is smaller than min", function () {
  61. var state = createState(-40, -50);
  62. var result = NETDATA.easypiechartPercentFromValueMinMax(state, -50.1, -20, -45);
  63. expect(result).toBe(-100);
  64. });
  65. });
  66. describe("percentage calculations for easy pie charts with invalid input", function () {
  67. it("should return 0.1 if value undefined", function () {
  68. var state = createState(null, null);
  69. var result = NETDATA.easypiechartPercentFromValueMinMax(state, null, 40, 50);
  70. expect(result).toBe(0.1);
  71. });
  72. it("should return positive value if min is undefined", function () {
  73. var state = createState(null, null);
  74. var result = NETDATA.easypiechartPercentFromValueMinMax(state, 1, null, 2);
  75. expect(result).toBe(50);
  76. });
  77. it("should return positive if max is undefined", function () {
  78. var state = createState(null, null);
  79. var result = NETDATA.easypiechartPercentFromValueMinMax(state, 21, 42, null);
  80. expect(result).toBe(50);
  81. });
  82. });
  83. function createState(min, max) {
  84. // create a fake state with only the needed properties.
  85. return {
  86. tmp: {
  87. easyPieChartMin: min,
  88. easyPieChartMax: max
  89. }
  90. };
  91. }