From 3ea39841c8049525e31e9f4d6300f0c60cdb42de Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 24 Jan 2023 13:33:51 +0100
Subject: Adding upstream version 5.2.3+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 js/tests/unit/tooltip.spec.js | 1551 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1551 insertions(+)
 create mode 100644 js/tests/unit/tooltip.spec.js

(limited to 'js/tests/unit/tooltip.spec.js')

diff --git a/js/tests/unit/tooltip.spec.js b/js/tests/unit/tooltip.spec.js
new file mode 100644
index 0000000..4330571
--- /dev/null
+++ b/js/tests/unit/tooltip.spec.js
@@ -0,0 +1,1551 @@
+import Tooltip from '../../src/tooltip'
+import EventHandler from '../../src/dom/event-handler'
+import { noop } from '../../src/util/index'
+import { clearFixture, createEvent, getFixture, jQueryMock } from '../helpers/fixture'
+
+describe('Tooltip', () => {
+  let fixtureEl
+
+  beforeAll(() => {
+    fixtureEl = getFixture()
+  })
+
+  afterEach(() => {
+    clearFixture()
+
+    for (const tooltipEl of document.querySelectorAll('.tooltip')) {
+      tooltipEl.remove()
+    }
+  })
+
+  describe('VERSION', () => {
+    it('should return plugin version', () => {
+      expect(Tooltip.VERSION).toEqual(jasmine.any(String))
+    })
+  })
+
+  describe('Default', () => {
+    it('should return plugin default config', () => {
+      expect(Tooltip.Default).toEqual(jasmine.any(Object))
+    })
+  })
+
+  describe('NAME', () => {
+    it('should return plugin name', () => {
+      expect(Tooltip.NAME).toEqual(jasmine.any(String))
+    })
+  })
+
+  describe('DATA_KEY', () => {
+    it('should return plugin data key', () => {
+      expect(Tooltip.DATA_KEY).toEqual('bs.tooltip')
+    })
+  })
+
+  describe('EVENT_KEY', () => {
+    it('should return plugin event key', () => {
+      expect(Tooltip.EVENT_KEY).toEqual('.bs.tooltip')
+    })
+  })
+
+  describe('DefaultType', () => {
+    it('should return plugin default type', () => {
+      expect(Tooltip.DefaultType).toEqual(jasmine.any(Object))
+    })
+  })
+
+  describe('constructor', () => {
+    it('should take care of element either passed as a CSS selector or DOM element', () => {
+      fixtureEl.innerHTML = '<a href="#" id="tooltipEl" rel="tooltip" title="Nice and short title">'
+
+      const tooltipEl = fixtureEl.querySelector('#tooltipEl')
+      const tooltipBySelector = new Tooltip('#tooltipEl')
+      const tooltipByElement = new Tooltip(tooltipEl)
+
+      expect(tooltipBySelector._element).toEqual(tooltipEl)
+      expect(tooltipByElement._element).toEqual(tooltipEl)
+    })
+
+    it('should not take care of disallowed data attributes', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" data-bs-sanitize="false" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      expect(tooltip._config.sanitize).toBeTrue()
+    })
+
+    it('should convert title and content to string if numbers', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl, {
+        title: 1,
+        content: 7
+      })
+
+      expect(tooltip._config.title).toEqual('1')
+      expect(tooltip._config.content).toEqual('7')
+    })
+
+    it('should enable selector delegation', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<div></div>'
+
+        const containerEl = fixtureEl.querySelector('div')
+        const tooltipContainer = new Tooltip(containerEl, {
+          selector: 'a[rel="tooltip"]',
+          trigger: 'click'
+        })
+
+        containerEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipInContainerEl = containerEl.querySelector('a')
+
+        tooltipInContainerEl.addEventListener('shown.bs.tooltip', () => {
+          expect(document.querySelector('.tooltip')).not.toBeNull()
+          tooltipContainer.dispose()
+          resolve()
+        })
+
+        tooltipInContainerEl.click()
+      })
+    })
+
+    it('should create offset modifier when offset is passed as a function', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Offset from function">'
+
+        const getOffset = jasmine.createSpy('getOffset').and.returnValue([10, 20])
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          offset: getOffset,
+          popperConfig: {
+            onFirstUpdate(state) {
+              expect(getOffset).toHaveBeenCalledWith({
+                popper: state.rects.popper,
+                reference: state.rects.reference,
+                placement: state.placement
+              }, tooltipEl)
+              resolve()
+            }
+          }
+        })
+
+        const offset = tooltip._getOffset()
+
+        expect(offset).toEqual(jasmine.any(Function))
+
+        tooltip.show()
+      })
+    })
+
+    it('should create offset modifier when offset option is passed in data attribute', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" data-bs-offset="10,20" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      expect(tooltip._getOffset()).toEqual([10, 20])
+    })
+
+    it('should allow to pass config to Popper with `popperConfig`', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl, {
+        popperConfig: {
+          placement: 'left'
+        }
+      })
+
+      const popperConfig = tooltip._getPopperConfig('top')
+
+      expect(popperConfig.placement).toEqual('left')
+    })
+
+    it('should allow to pass config to Popper with `popperConfig` as a function', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const getPopperConfig = jasmine.createSpy('getPopperConfig').and.returnValue({ placement: 'left' })
+      const tooltip = new Tooltip(tooltipEl, {
+        popperConfig: getPopperConfig
+      })
+
+      const popperConfig = tooltip._getPopperConfig('top')
+
+      expect(getPopperConfig).toHaveBeenCalled()
+      expect(popperConfig.placement).toEqual('left')
+    })
+
+    it('should use original title, if not "data-bs-title" is given', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip"></a>'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      expect(tooltip._getTitle()).toEqual('Another tooltip')
+    })
+  })
+
+  describe('enable', () => {
+    it('should enable a tooltip', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltip.enable()
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(document.querySelector('.tooltip')).not.toBeNull()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+  })
+
+  describe('disable', () => {
+    it('should disable tooltip', () => {
+      return new Promise((resolve, reject) => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltip.disable()
+
+        tooltipEl.addEventListener('show.bs.tooltip', () => {
+          reject(new Error('should not show a disabled tooltip'))
+        })
+
+        tooltip.show()
+
+        setTimeout(() => {
+          expect().nothing()
+          resolve()
+        }, 10)
+      })
+    })
+  })
+
+  describe('toggleEnabled', () => {
+    it('should toggle enabled', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      expect(tooltip._isEnabled).toBeTrue()
+
+      tooltip.toggleEnabled()
+
+      expect(tooltip._isEnabled).toBeFalse()
+    })
+  })
+
+  describe('toggle', () => {
+    it('should do nothing if disabled', () => {
+      return new Promise((resolve, reject) => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltip.disable()
+
+        tooltipEl.addEventListener('show.bs.tooltip', () => {
+          reject(new Error('should not show a disabled tooltip'))
+        })
+
+        tooltip.toggle()
+
+        setTimeout(() => {
+          expect().nothing()
+          resolve()
+        }, 10)
+      })
+    })
+
+    it('should show a tooltip', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(document.querySelector('.tooltip')).not.toBeNull()
+          resolve()
+        })
+
+        tooltip.toggle()
+      })
+    })
+
+    it('should call toggle and show the tooltip when trigger is "click"', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          trigger: 'click'
+        })
+
+        const spy = spyOn(tooltip, 'toggle').and.callThrough()
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(spy).toHaveBeenCalled()
+          resolve()
+        })
+
+        tooltipEl.click()
+      })
+    })
+
+    it('should hide a tooltip', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          tooltip.toggle()
+        })
+
+        tooltipEl.addEventListener('hidden.bs.tooltip', () => {
+          expect(document.querySelector('.tooltip')).toBeNull()
+          resolve()
+        })
+
+        tooltip.toggle()
+      })
+    })
+
+    it('should call toggle and hide the tooltip when trigger is "click"', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          trigger: 'click'
+        })
+
+        const spy = spyOn(tooltip, 'toggle').and.callThrough()
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          tooltipEl.click()
+        })
+
+        tooltipEl.addEventListener('hidden.bs.tooltip', () => {
+          expect(spy).toHaveBeenCalled()
+          resolve()
+        })
+
+        tooltipEl.click()
+      })
+    })
+  })
+
+  describe('dispose', () => {
+    it('should destroy a tooltip', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const addEventSpy = spyOn(tooltipEl, 'addEventListener').and.callThrough()
+      const removeEventSpy = spyOn(tooltipEl, 'removeEventListener').and.callThrough()
+
+      const tooltip = new Tooltip(tooltipEl)
+
+      expect(Tooltip.getInstance(tooltipEl)).toEqual(tooltip)
+
+      const expectedArgs = [
+        ['mouseover', jasmine.any(Function), jasmine.any(Boolean)],
+        ['mouseout', jasmine.any(Function), jasmine.any(Boolean)],
+        ['focusin', jasmine.any(Function), jasmine.any(Boolean)],
+        ['focusout', jasmine.any(Function), jasmine.any(Boolean)]
+      ]
+
+      expect(addEventSpy.calls.allArgs()).toEqual(expectedArgs)
+
+      tooltip.dispose()
+
+      expect(Tooltip.getInstance(tooltipEl)).toBeNull()
+      expect(removeEventSpy.calls.allArgs()).toEqual(expectedArgs)
+    })
+
+    it('should destroy a tooltip after it is shown and hidden', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          tooltip.hide()
+        })
+        tooltipEl.addEventListener('hidden.bs.tooltip', () => {
+          tooltip.dispose()
+          expect(tooltip.tip).toBeNull()
+          expect(Tooltip.getInstance(tooltipEl)).toBeNull()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should destroy a tooltip and remove it from the dom', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(document.querySelector('.tooltip')).not.toBeNull()
+
+          tooltip.dispose()
+
+          expect(document.querySelector('.tooltip')).toBeNull()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should destroy a tooltip and reset it\'s initial title', () => {
+      fixtureEl.innerHTML = [
+        '<span id="tooltipWithTitle" rel="tooltip" title="tooltipTitle"></span>',
+        '<span id="tooltipWithoutTitle" rel="tooltip" data-bs-title="tooltipTitle"></span>'
+      ].join('')
+
+      const tooltipWithTitleEl = fixtureEl.querySelector('#tooltipWithTitle')
+      const tooltip = new Tooltip('#tooltipWithTitle')
+      expect(tooltipWithTitleEl.getAttribute('title')).toBeNull()
+      tooltip.dispose()
+      expect(tooltipWithTitleEl.getAttribute('title')).toBe('tooltipTitle')
+
+      const tooltipWithoutTitleEl = fixtureEl.querySelector('#tooltipWithoutTitle')
+      const tooltip2 = new Tooltip('#tooltipWithTitle')
+      expect(tooltipWithoutTitleEl.getAttribute('title')).toBeNull()
+      tooltip2.dispose()
+      expect(tooltipWithoutTitleEl.getAttribute('title')).toBeNull()
+    })
+  })
+
+  describe('show', () => {
+    it('should show a tooltip', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          const tooltipShown = document.querySelector('.tooltip')
+
+          expect(tooltipShown).not.toBeNull()
+          expect(tooltipEl.getAttribute('aria-describedby')).toEqual(tooltipShown.getAttribute('id'))
+          expect(tooltipShown.getAttribute('id')).toContain('tooltip')
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should show a tooltip when hovering a child element', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = [
+          '<a href="#" rel="tooltip" title="Another tooltip">',
+          '  <svg xmlns="http://www.w3.org/2000/svg" width="50" height="50" viewBox="0 0 100 100">',
+          '    <rect width="100%" fill="#563d7c"/>',
+          '    <circle cx="50" cy="50" r="30" fill="#fff"/>',
+          '  </svg>',
+          '</a>'
+        ].join('')
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        const spy = spyOn(tooltip, 'show')
+
+        tooltipEl.querySelector('rect').dispatchEvent(createEvent('mouseover', { bubbles: true }))
+
+        setTimeout(() => {
+          expect(spy).toHaveBeenCalled()
+          resolve()
+        }, 0)
+      })
+    })
+
+    it('should show a tooltip on mobile', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+        document.documentElement.ontouchstart = noop
+
+        const spy = spyOn(EventHandler, 'on').and.callThrough()
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(document.querySelector('.tooltip')).not.toBeNull()
+          expect(spy).toHaveBeenCalledWith(jasmine.any(Object), 'mouseover', noop)
+          document.documentElement.ontouchstart = undefined
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should show a tooltip relative to placement option', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          placement: 'bottom'
+        })
+
+        tooltipEl.addEventListener('inserted.bs.tooltip', () => {
+          expect(tooltip._getTipElement()).toHaveClass('bs-tooltip-auto')
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(tooltip._getTipElement()).toHaveClass('bs-tooltip-auto')
+          expect(tooltip._getTipElement().getAttribute('data-popper-placement')).toEqual('bottom')
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should not error when trying to show a tooltip that has been removed from the dom', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        const firstCallback = () => {
+          tooltipEl.removeEventListener('shown.bs.tooltip', firstCallback)
+          let tooltipShown = document.querySelector('.tooltip')
+
+          tooltipShown.remove()
+
+          tooltipEl.addEventListener('shown.bs.tooltip', () => {
+            tooltipShown = document.querySelector('.tooltip')
+
+            expect(tooltipShown).not.toBeNull()
+            resolve()
+          })
+
+          tooltip.show()
+        }
+
+        tooltipEl.addEventListener('shown.bs.tooltip', firstCallback)
+
+        tooltip.show()
+      })
+    })
+
+    it('should show a tooltip with a dom element container', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          container: fixtureEl
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(fixtureEl.querySelector('.tooltip')).not.toBeNull()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should show a tooltip with a jquery element container', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          container: {
+            0: fixtureEl,
+            jquery: 'jQuery'
+          }
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(fixtureEl.querySelector('.tooltip')).not.toBeNull()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should show a tooltip with a selector in container', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          container: '#fixture'
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(fixtureEl.querySelector('.tooltip')).not.toBeNull()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should show a tooltip with placement as a function', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const spy = jasmine.createSpy('placement').and.returnValue('top')
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          placement: spy
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(document.querySelector('.tooltip')).not.toBeNull()
+          expect(spy).toHaveBeenCalled()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should show a tooltip without the animation', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          animation: false
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          const tip = document.querySelector('.tooltip')
+
+          expect(tip).not.toBeNull()
+          expect(tip).not.toHaveClass('fade')
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should throw an error the element is not visible', () => {
+      fixtureEl.innerHTML = '<a href="#" style="display: none" rel="tooltip" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      try {
+        tooltip.show()
+      } catch (error) {
+        expect(error.message).toEqual('Please use show on visible elements')
+      }
+    })
+
+    it('should not show a tooltip if show.bs.tooltip is prevented', () => {
+      return new Promise((resolve, reject) => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        const expectedDone = () => {
+          setTimeout(() => {
+            expect(document.querySelector('.tooltip')).toBeNull()
+            resolve()
+          }, 10)
+        }
+
+        tooltipEl.addEventListener('show.bs.tooltip', ev => {
+          ev.preventDefault()
+          expectedDone()
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          reject(new Error('Tooltip should not be shown'))
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should show tooltip if leave event hasn\'t occurred before delay expires', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          delay: 150
+        })
+
+        const spy = spyOn(tooltip, 'show')
+
+        setTimeout(() => {
+          expect(spy).not.toHaveBeenCalled()
+        }, 100)
+
+        setTimeout(() => {
+          expect(spy).toHaveBeenCalled()
+          resolve()
+        }, 200)
+
+        tooltipEl.dispatchEvent(createEvent('mouseover'))
+      })
+    })
+
+    it('should not show tooltip if leave event occurs before delay expires', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          delay: 150
+        })
+
+        const spy = spyOn(tooltip, 'show')
+
+        setTimeout(() => {
+          expect(spy).not.toHaveBeenCalled()
+          tooltipEl.dispatchEvent(createEvent('mouseover'))
+        }, 100)
+
+        setTimeout(() => {
+          expect(spy).toHaveBeenCalled()
+          expect(document.querySelectorAll('.tooltip')).toHaveSize(0)
+          resolve()
+        }, 200)
+
+        tooltipEl.dispatchEvent(createEvent('mouseover'))
+      })
+    })
+
+    it('should not hide tooltip if leave event occurs and enter event occurs within the hide delay', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip" data-bs-delay=\'{"show":0,"hide":150}\'>'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        expect(tooltip._config.delay).toEqual({ show: 0, hide: 150 })
+
+        setTimeout(() => {
+          expect(tooltip._getTipElement()).toHaveClass('show')
+          tooltipEl.dispatchEvent(createEvent('mouseout'))
+
+          setTimeout(() => {
+            expect(tooltip._getTipElement()).toHaveClass('show')
+            tooltipEl.dispatchEvent(createEvent('mouseover'))
+          }, 100)
+
+          setTimeout(() => {
+            expect(tooltip._getTipElement()).toHaveClass('show')
+            expect(document.querySelectorAll('.tooltip')).toHaveSize(1)
+            resolve()
+          }, 200)
+        }, 10)
+
+        tooltipEl.dispatchEvent(createEvent('mouseover'))
+      })
+    })
+
+    it('should not hide tooltip if leave event occurs and interaction remains inside trigger', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = [
+          '<a href="#" rel="tooltip" title="Another tooltip">',
+          '<b>Trigger</b>',
+          'the tooltip',
+          '</a>'
+        ].join('')
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+        const triggerChild = tooltipEl.querySelector('b')
+
+        const spy = spyOn(tooltip, 'hide').and.callThrough()
+
+        tooltipEl.addEventListener('mouseover', () => {
+          const moveMouseToChildEvent = createEvent('mouseout')
+          Object.defineProperty(moveMouseToChildEvent, 'relatedTarget', {
+            value: triggerChild
+          })
+
+          tooltipEl.dispatchEvent(moveMouseToChildEvent)
+        })
+
+        tooltipEl.addEventListener('mouseout', () => {
+          expect(spy).not.toHaveBeenCalled()
+          resolve()
+        })
+
+        tooltipEl.dispatchEvent(createEvent('mouseover'))
+      })
+    })
+
+    it('should properly maintain tooltip state if leave event occurs and enter event occurs during hide transition', () => {
+      return new Promise(resolve => {
+        // Style this tooltip to give it plenty of room for popper to do what it wants
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip" data-bs-placement="top" style="position:fixed;left:50%;top:50%;">Trigger</a>'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        spyOn(window, 'getComputedStyle').and.returnValue({
+          transitionDuration: '0.15s',
+          transitionDelay: '0s'
+        })
+
+        setTimeout(() => {
+          expect(tooltip._popper).not.toBeNull()
+          expect(tooltip._getTipElement().getAttribute('data-popper-placement')).toEqual('top')
+          tooltipEl.dispatchEvent(createEvent('mouseout'))
+
+          setTimeout(() => {
+            expect(tooltip._getTipElement()).not.toHaveClass('show')
+            tooltipEl.dispatchEvent(createEvent('mouseover'))
+          }, 100)
+
+          setTimeout(() => {
+            expect(tooltip._popper).not.toBeNull()
+            expect(tooltip._getTipElement().getAttribute('data-popper-placement')).toEqual('top')
+            resolve()
+          }, 200)
+        }, 10)
+
+        tooltipEl.dispatchEvent(createEvent('mouseover'))
+      })
+    })
+
+    it('should only trigger inserted event if a new tooltip element was created', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        spyOn(window, 'getComputedStyle').and.returnValue({
+          transitionDuration: '0.15s',
+          transitionDelay: '0s'
+        })
+
+        const insertedFunc = jasmine.createSpy()
+        tooltipEl.addEventListener('inserted.bs.tooltip', insertedFunc)
+
+        setTimeout(() => {
+          expect(insertedFunc).toHaveBeenCalledTimes(1)
+          tooltip.hide()
+
+          setTimeout(() => {
+            tooltip.show()
+          }, 100)
+
+          setTimeout(() => {
+            expect(insertedFunc).toHaveBeenCalledTimes(2)
+            resolve()
+          }, 200)
+        }, 0)
+
+        tooltip.show()
+      })
+    })
+
+    it('should show a tooltip with custom class provided in data attributes', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip" data-bs-custom-class="custom-class">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          const tip = document.querySelector('.tooltip')
+          expect(tip).not.toBeNull()
+          expect(tip).toHaveClass('custom-class')
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should show a tooltip with custom class provided as a string in config', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          customClass: 'custom-class custom-class-2'
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          const tip = document.querySelector('.tooltip')
+          expect(tip).not.toBeNull()
+          expect(tip).toHaveClass('custom-class')
+          expect(tip).toHaveClass('custom-class-2')
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should show a tooltip with custom class provided as a function in config', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const spy = jasmine.createSpy('customClass').and.returnValue('custom-class')
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          customClass: spy
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          const tip = document.querySelector('.tooltip')
+          expect(tip).not.toBeNull()
+          expect(spy).toHaveBeenCalled()
+          expect(tip).toHaveClass('custom-class')
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should remove `title` attribute if exists', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip"></a>'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          expect(tooltipEl.getAttribute('title')).toBeNull()
+          resolve()
+        })
+        tooltip.show()
+      })
+    })
+  })
+
+  describe('hide', () => {
+    it('should hide a tooltip', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => tooltip.hide())
+        tooltipEl.addEventListener('hidden.bs.tooltip', () => {
+          expect(document.querySelector('.tooltip')).toBeNull()
+          expect(tooltipEl.getAttribute('aria-describedby')).toBeNull()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should hide a tooltip on mobile', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+        const spy = spyOn(EventHandler, 'off')
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          document.documentElement.ontouchstart = noop
+          tooltip.hide()
+        })
+
+        tooltipEl.addEventListener('hidden.bs.tooltip', () => {
+          expect(document.querySelector('.tooltip')).toBeNull()
+          expect(spy).toHaveBeenCalledWith(jasmine.any(Object), 'mouseover', noop)
+          document.documentElement.ontouchstart = undefined
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should hide a tooltip without animation', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          animation: false
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => tooltip.hide())
+        tooltipEl.addEventListener('hidden.bs.tooltip', () => {
+          expect(document.querySelector('.tooltip')).toBeNull()
+          expect(tooltipEl.getAttribute('aria-describedby')).toBeNull()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should not hide a tooltip if hide event is prevented', () => {
+      return new Promise((resolve, reject) => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const assertDone = () => {
+          setTimeout(() => {
+            expect(document.querySelector('.tooltip')).not.toBeNull()
+            resolve()
+          }, 20)
+        }
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl, {
+          animation: false
+        })
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => tooltip.hide())
+        tooltipEl.addEventListener('hide.bs.tooltip', event => {
+          event.preventDefault()
+          assertDone()
+        })
+        tooltipEl.addEventListener('hidden.bs.tooltip', () => {
+          reject(new Error('should not trigger hidden event'))
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should not throw error running hide if popper hasn\'t been shown', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const tooltip = new Tooltip(div)
+
+      try {
+        tooltip.hide()
+        expect().nothing()
+      } catch {
+        throw new Error('should not throw error')
+      }
+    })
+  })
+
+  describe('update', () => {
+    it('should call popper update', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          const spy = spyOn(tooltip._popper, 'update')
+
+          tooltip.update()
+
+          expect(spy).toHaveBeenCalled()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should do nothing if the tooltip is not shown', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      tooltip.update()
+      expect().nothing()
+    })
+  })
+
+  describe('_isWithContent', () => {
+    it('should return true if there is content', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      expect(tooltip._isWithContent()).toBeTrue()
+    })
+
+    it('should return false if there is no content', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      expect(tooltip._isWithContent()).toBeFalse()
+    })
+  })
+
+  describe('_getTipElement', () => {
+    it('should create the tip element and return it', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      const spy = spyOn(document, 'createElement').and.callThrough()
+
+      expect(tooltip._getTipElement()).toBeDefined()
+      expect(spy).toHaveBeenCalled()
+    })
+
+    it('should return the created tip element', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      const spy = spyOn(document, 'createElement').and.callThrough()
+
+      expect(tooltip._getTipElement()).toBeDefined()
+      expect(spy).toHaveBeenCalled()
+
+      spy.calls.reset()
+
+      expect(tooltip._getTipElement()).toBeDefined()
+      expect(spy).not.toHaveBeenCalled()
+    })
+  })
+
+  describe('setContent', () => {
+    it('should set tip content', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl, { animation: false })
+
+      const tip = tooltip._getTipElement()
+
+      tooltip.setContent(tip)
+
+      expect(tip).not.toHaveClass('show')
+      expect(tip).not.toHaveClass('fade')
+      expect(tip.querySelector('.tooltip-inner').textContent).toEqual('Another tooltip')
+    })
+
+    it('should re-show tip if it was already shown', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" data-bs-title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+      tooltip.show()
+      const tip = () => tooltip._getTipElement()
+
+      expect(tip()).toHaveClass('show')
+      tooltip.setContent({ '.tooltip-inner': 'foo' })
+
+      expect(tip()).toHaveClass('show')
+      expect(tip().querySelector('.tooltip-inner').textContent).toEqual('foo')
+    })
+
+    it('should keep tip hidden, if it was already hidden before', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" data-bs-title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+      const tip = () => tooltip._getTipElement()
+
+      expect(tip()).not.toHaveClass('show')
+      tooltip.setContent({ '.tooltip-inner': 'foo' })
+
+      expect(tip()).not.toHaveClass('show')
+      tooltip.show()
+      expect(tip().querySelector('.tooltip-inner').textContent).toEqual('foo')
+    })
+
+    it('"setContent" should keep the initial template', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      tooltip.setContent({ '.tooltip-inner': 'foo' })
+      const tip = tooltip._getTipElement()
+
+      expect(tip).toHaveClass('tooltip')
+      expect(tip).toHaveClass('bs-tooltip-auto')
+      expect(tip.querySelector('.tooltip-arrow')).not.toBeNull()
+      expect(tip.querySelector('.tooltip-inner')).not.toBeNull()
+    })
+  })
+
+  describe('setContent', () => {
+    it('should do nothing if the element is null', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      tooltip.setContent({ '.tooltip': null })
+      expect().nothing()
+    })
+
+    it('should do nothing if the content is a child of the element', () => {
+      fixtureEl.innerHTML = [
+        '<a href="#" rel="tooltip" title="Another tooltip">',
+        '  <div id="childContent"></div>',
+        '</a>'
+      ].join('')
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const childContent = fixtureEl.querySelector('div')
+      const tooltip = new Tooltip(tooltipEl, {
+        html: true
+      })
+
+      tooltip._getTipElement().append(childContent)
+      tooltip.setContent({ '.tooltip': childContent })
+
+      expect().nothing()
+    })
+
+    it('should add the content as a child of the element for jQuery elements', () => {
+      fixtureEl.innerHTML = [
+        '<a href="#" rel="tooltip" title="Another tooltip">',
+        '  <div id="childContent"></div>',
+        '</a>'
+      ].join('')
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const childContent = fixtureEl.querySelector('div')
+      const tooltip = new Tooltip(tooltipEl, {
+        html: true
+      })
+
+      tooltip.setContent({ '.tooltip': { 0: childContent, jquery: 'jQuery' } })
+      tooltip.show()
+
+      expect(childContent.parentNode).toEqual(tooltip._getTipElement())
+    })
+
+    it('should add the child text content in the element', () => {
+      fixtureEl.innerHTML = [
+        '<a href="#" rel="tooltip" title="Another tooltip">',
+        '  <div id="childContent">Tooltip</div>',
+        '</a>'
+      ].join('')
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const childContent = fixtureEl.querySelector('div')
+      const tooltip = new Tooltip(tooltipEl)
+
+      tooltip.setContent({ '.tooltip': childContent })
+
+      expect(childContent.textContent).toEqual(tooltip._getTipElement().textContent)
+    })
+
+    it('should add html without sanitize it', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip"></a>'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl, {
+        sanitize: false,
+        html: true
+      })
+
+      tooltip.setContent({ '.tooltip': '<div id="childContent">Tooltip</div>' })
+
+      expect(tooltip._getTipElement().querySelector('div').id).toEqual('childContent')
+    })
+
+    it('should add html sanitized', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip"></a>'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl, {
+        html: true
+      })
+
+      const content = [
+        '<div id="childContent">',
+        '  <button type="button">test btn</button>',
+        '</div>'
+      ].join('')
+
+      tooltip.setContent({ '.tooltip': content })
+      expect(tooltip._getTipElement().querySelector('div').id).toEqual('childContent')
+      expect(tooltip._getTipElement().querySelector('button')).toBeNull()
+    })
+
+    it('should add text content', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip"></a>'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      tooltip.setContent({ '.tooltip': 'test' })
+
+      expect(tooltip._getTipElement().textContent).toEqual('test')
+    })
+  })
+
+  describe('_getTitle', () => {
+    it('should return the title', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip"></a>'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      expect(tooltip._getTitle()).toEqual('Another tooltip')
+    })
+
+    it('should call title function', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip"></a>'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl, {
+        title: () => 'test'
+      })
+
+      expect(tooltip._getTitle()).toEqual('test')
+    })
+  })
+
+  describe('getInstance', () => {
+    it('should return tooltip instance', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const alert = new Tooltip(div)
+
+      expect(Tooltip.getInstance(div)).toEqual(alert)
+      expect(Tooltip.getInstance(div)).toBeInstanceOf(Tooltip)
+    })
+
+    it('should return null when there is no tooltip instance', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      expect(Tooltip.getInstance(div)).toBeNull()
+    })
+  })
+
+  describe('aria-label', () => {
+    it('should add the aria-label attribute for referencing original title', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip"></a>'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          const tooltipShown = document.querySelector('.tooltip')
+
+          expect(tooltipShown).not.toBeNull()
+          expect(tooltipEl.getAttribute('aria-label')).toEqual('Another tooltip')
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should add the aria-label attribute when element text content is a whitespace string', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="A tooltip"><span>    </span></a>'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          const tooltipShown = document.querySelector('.tooltip')
+
+          expect(tooltipShown).not.toBeNull()
+          expect(tooltipEl.getAttribute('aria-label')).toEqual('A tooltip')
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should not add the aria-label attribute if the attribute already exists', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" aria-label="Different label" title="Another tooltip"></a>'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          const tooltipShown = document.querySelector('.tooltip')
+
+          expect(tooltipShown).not.toBeNull()
+          expect(tooltipEl.getAttribute('aria-label')).toEqual('Different label')
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+
+    it('should not add the aria-label attribute if the element has text content', () => {
+      return new Promise(resolve => {
+        fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">text content</a>'
+
+        const tooltipEl = fixtureEl.querySelector('a')
+        const tooltip = new Tooltip(tooltipEl)
+
+        tooltipEl.addEventListener('shown.bs.tooltip', () => {
+          const tooltipShown = document.querySelector('.tooltip')
+
+          expect(tooltipShown).not.toBeNull()
+          expect(tooltipEl.getAttribute('aria-label')).toBeNull()
+          resolve()
+        })
+
+        tooltip.show()
+      })
+    })
+  })
+
+  describe('getOrCreateInstance', () => {
+    it('should return tooltip instance', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const tooltip = new Tooltip(div)
+
+      expect(Tooltip.getOrCreateInstance(div)).toEqual(tooltip)
+      expect(Tooltip.getInstance(div)).toEqual(Tooltip.getOrCreateInstance(div, {}))
+      expect(Tooltip.getOrCreateInstance(div)).toBeInstanceOf(Tooltip)
+    })
+
+    it('should return new instance when there is no tooltip instance', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      expect(Tooltip.getInstance(div)).toBeNull()
+      expect(Tooltip.getOrCreateInstance(div)).toBeInstanceOf(Tooltip)
+    })
+
+    it('should return new instance when there is no tooltip instance with given configuration', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      expect(Tooltip.getInstance(div)).toBeNull()
+      const tooltip = Tooltip.getOrCreateInstance(div, {
+        title: () => 'test'
+      })
+      expect(tooltip).toBeInstanceOf(Tooltip)
+
+      expect(tooltip._getTitle()).toEqual('test')
+    })
+
+    it('should return the instance when exists without given configuration', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const tooltip = new Tooltip(div, {
+        title: () => 'nothing'
+      })
+      expect(Tooltip.getInstance(div)).toEqual(tooltip)
+
+      const tooltip2 = Tooltip.getOrCreateInstance(div, {
+        title: () => 'test'
+      })
+      expect(tooltip).toBeInstanceOf(Tooltip)
+      expect(tooltip2).toEqual(tooltip)
+
+      expect(tooltip2._getTitle()).toEqual('nothing')
+    })
+  })
+
+  describe('jQueryInterface', () => {
+    it('should create a tooltip', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      jQueryMock.fn.tooltip = Tooltip.jQueryInterface
+      jQueryMock.elements = [div]
+
+      jQueryMock.fn.tooltip.call(jQueryMock)
+
+      expect(Tooltip.getInstance(div)).not.toBeNull()
+    })
+
+    it('should not re create a tooltip', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const tooltip = new Tooltip(div)
+
+      jQueryMock.fn.tooltip = Tooltip.jQueryInterface
+      jQueryMock.elements = [div]
+
+      jQueryMock.fn.tooltip.call(jQueryMock)
+
+      expect(Tooltip.getInstance(div)).toEqual(tooltip)
+    })
+
+    it('should call a tooltip method', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const tooltip = new Tooltip(div)
+
+      const spy = spyOn(tooltip, 'show')
+
+      jQueryMock.fn.tooltip = Tooltip.jQueryInterface
+      jQueryMock.elements = [div]
+
+      jQueryMock.fn.tooltip.call(jQueryMock, 'show')
+
+      expect(Tooltip.getInstance(div)).toEqual(tooltip)
+      expect(spy).toHaveBeenCalled()
+    })
+
+    it('should throw error on undefined method', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const action = 'undefinedMethod'
+
+      jQueryMock.fn.tooltip = Tooltip.jQueryInterface
+      jQueryMock.elements = [div]
+
+      expect(() => {
+        jQueryMock.fn.tooltip.call(jQueryMock, action)
+      }).toThrowError(TypeError, `No method named "${action}"`)
+    })
+  })
+})
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