[Fixes #15953] Implement assert.expect in each unit test

[Fixes #15953] Implement `assert.expect` in each unit test

js/tests/unit/button.js

@@ -4,6 +4,7 @@ $(function () {
   QUnit.module('button plugin')
 
   QUnit.test('should be defined on jquery object', function (assert) {
+    assert.expect(1)
     assert.ok($(document.body).button, 'button method is defined')
   })
 
@@ -19,10 +20,12 @@ $(function () {
   })
 
   QUnit.test('should provide no conflict', function (assert) {
+    assert.expect(1)
     assert.strictEqual($.fn.button, undefined, 'button was set back to undefined (org value)')
   })
 
   QUnit.test('should return jquery collection containing the element', function (assert) {
+    assert.expect(2)
     var $el = $('<div/>')
     var $button = $el.bootstrapButton()
     assert.ok($button instanceof $, 'returns jquery collection')
@@ -30,6 +33,7 @@ $(function () {
   })
 
   QUnit.test('should return set state to loading', function (assert) {
+    assert.expect(4)
     var $btn = $('<button class="btn" data-loading-text="fat">mdo</button>')
     assert.strictEqual($btn.html(), 'mdo', 'btn text equals mdo')
     $btn.bootstrapButton('loading')
@@ -43,6 +47,7 @@ $(function () {
   })
 
   QUnit.test('should return reset state', function (assert) {
+    assert.expect(7)
     var $btn = $('<button class="btn" data-loading-text="fat">mdo</button>')
     assert.strictEqual($btn.html(), 'mdo', 'btn text equals mdo')
     $btn.bootstrapButton('loading')
@@ -64,6 +69,7 @@ $(function () {
   })
 
   QUnit.test('should work with an empty string as reset state', function (assert) {
+    assert.expect(7)
     var $btn = $('<button class="btn" data-loading-text="fat"/>')
     assert.strictEqual($btn.html(), '', 'btn text equals ""')
     $btn.bootstrapButton('loading')
@@ -85,6 +91,7 @@ $(function () {
   })
 
   QUnit.test('should toggle active', function (assert) {
+    assert.expect(2)
     var $btn = $('<button class="btn" data-toggle="button">mdo</button>')
     assert.ok(!$btn.hasClass('active'), 'btn does not have active class')
     $btn.bootstrapButton('toggle')
@@ -92,6 +99,7 @@ $(function () {
   })
 
   QUnit.test('should toggle active when btn children are clicked', function (assert) {
+    assert.expect(2)
     var $btn = $('<button class="btn" data-toggle="button">mdo</button>')
     var $inner = $('<i/>')
     $btn
@@ -103,6 +111,7 @@ $(function () {
   })
 
   QUnit.test('should toggle aria-pressed', function (assert) {
+    assert.expect(2)
     var $btn = $('<button class="btn" data-toggle="button" aria-pressed="false">redux</button>')
     assert.strictEqual($btn.attr('aria-pressed'), 'false', 'btn aria-pressed state is false')
     $btn.bootstrapButton('toggle')
@@ -110,6 +119,7 @@ $(function () {
   })
 
   QUnit.test('should toggle aria-pressed when btn children are clicked', function (assert) {
+    assert.expect(2)
     var $btn = $('<button class="btn" data-toggle="button" aria-pressed="false">redux</button>')
     var $inner = $('<i/>')
     $btn
@@ -121,6 +131,7 @@ $(function () {
   })
 
   QUnit.test('should toggle active when btn children are clicked within btn-group', function (assert) {
+    assert.expect(2)
     var $btngroup = $('<div class="btn-group" data-toggle="buttons"/>')
     var $btn = $('<button class="btn">fat</button>')
     var $inner = $('<i/>')
@@ -133,6 +144,7 @@ $(function () {
   })
 
   QUnit.test('should check for closest matching toggle', function (assert) {
+    assert.expect(12)
     var groupHTML = '<div class="btn-group" data-toggle="buttons">'
       + '<label class="btn btn-primary active">'
       + '<input type="radio" name="options" id="option1" checked="true"> Option 1'