Rename "js/tests/units" to "js/tests/unit". (#29503)

4 files changed, 731 insertions, 0 deletions

diff --git a/js/tests/unit/dom/data.spec.js b/js/tests/unit/dom/data.spec.js
new file mode 100644
index 000000000..ab3240b9b
--- /dev/null
+++ b/js/tests/unit/dom/data.spec.js
@@ -0,0 +1,131 @@
+import Data from '../../../src/dom/data'
+
+/** Test helpers */
+import { getFixture, clearFixture } from '../../helpers/fixture'
+
+describe('Data', () => {
+  let fixtureEl
+
+  beforeAll(() => {
+    fixtureEl = getFixture()
+  })
+
+  afterEach(() => {
+    clearFixture()
+  })
+
+  describe('setData', () => {
+    it('should set data in an element by adding a key attribute', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const data = {
+        test: 'bsData'
+      }
+
+      Data.setData(div, 'test', data)
+      expect(div.key).toBeDefined()
+    })
+
+    it('should change data if something is already stored', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const data = {
+        test: 'bsData'
+      }
+
+      Data.setData(div, 'test', data)
+
+      data.test = 'bsData2'
+      Data.setData(div, 'test', data)
+
+      expect(div.key).toBeDefined()
+    })
+  })
+
+  describe('getData', () => {
+    it('should return stored data', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const data = {
+        test: 'bsData'
+      }
+
+      Data.setData(div, 'test', data)
+      expect(Data.getData(div, 'test')).toEqual(data)
+    })
+
+    it('should return null on undefined element', () => {
+      expect(Data.getData(null)).toEqual(null)
+      expect(Data.getData(undefined)).toEqual(null)
+    })
+
+    it('should return null when an element have nothing stored', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      expect(Data.getData(div, 'test')).toEqual(null)
+    })
+
+    it('should return null when an element have nothing stored with the provided key', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const data = {
+        test: 'bsData'
+      }
+
+      Data.setData(div, 'test', data)
+
+      expect(Data.getData(div, 'test2')).toEqual(null)
+    })
+  })
+
+  describe('removeData', () => {
+    it('should do nothing when an element have nothing stored', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      Data.removeData(div, 'test')
+      expect().nothing()
+    })
+
+    it('should should do nothing if it\'s not a valid key provided', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const data = {
+        test: 'bsData'
+      }
+
+      Data.setData(div, 'test', data)
+
+      expect(div.key).toBeDefined()
+
+      Data.removeData(div, 'test2')
+
+      expect(div.key).toBeDefined()
+    })
+
+    it('should remove data if something is stored', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const data = {
+        test: 'bsData'
+      }
+
+      Data.setData(div, 'test', data)
+
+      expect(div.key).toBeDefined()
+
+      Data.removeData(div, 'test')
+
+      expect(div.key).toBeUndefined()
+    })
+  })
+})
diff --git a/js/tests/unit/dom/event-handler.spec.js b/js/tests/unit/dom/event-handler.spec.js
new file mode 100644
index 000000000..5551ddaa3
--- /dev/null
+++ b/js/tests/unit/dom/event-handler.spec.js
@@ -0,0 +1,327 @@
+import EventHandler from '../../../src/dom/event-handler'
+
+/** Test helpers */
+import { getFixture, clearFixture } from '../../helpers/fixture'
+
+describe('EventHandler', () => {
+  let fixtureEl
+
+  beforeAll(() => {
+    fixtureEl = getFixture()
+  })
+
+  afterEach(() => {
+    clearFixture()
+  })
+
+  describe('on', () => {
+    it('should not add event listener if the event is not a string', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      EventHandler.on(div, null, () => {})
+      EventHandler.on(null, 'click', () => {})
+
+      expect().nothing()
+    })
+
+    it('should add event listener', done => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      EventHandler.on(div, 'click', () => {
+        expect().nothing()
+        done()
+      })
+
+      div.click()
+    })
+
+    it('should add namespaced event listener', done => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      EventHandler.on(div, 'bs.namespace', () => {
+        expect().nothing()
+        done()
+      })
+
+      EventHandler.trigger(div, 'bs.namespace')
+    })
+
+    it('should add native namespaced event listener', done => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      EventHandler.on(div, 'click.namespace', () => {
+        expect().nothing()
+        done()
+      })
+
+      EventHandler.trigger(div, 'click')
+    })
+
+    it('should handle event delegation', done => {
+      EventHandler.on(document, 'click', '.test', () => {
+        expect().nothing()
+        done()
+      })
+
+      fixtureEl.innerHTML = '<div class="test"></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      div.click()
+    })
+  })
+
+  describe('one', () => {
+    it('should call listener just one', done => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      let called = 0
+      const div = fixtureEl.querySelector('div')
+      const obj = {
+        oneListener() {
+          called++
+        }
+      }
+
+      EventHandler.one(div, 'bootstrap', obj.oneListener)
+
+      EventHandler.trigger(div, 'bootstrap')
+      EventHandler.trigger(div, 'bootstrap')
+
+      setTimeout(() => {
+        expect(called).toEqual(1)
+        done()
+      }, 20)
+    })
+  })
+
+  describe('off', () => {
+    it('should not remove a listener', () => {
+      fixtureEl.innerHTML = '<div></div>'
+      const div = fixtureEl.querySelector('div')
+
+      EventHandler.off(div, null, () => {})
+      EventHandler.off(null, 'click', () => {})
+      expect().nothing()
+    })
+
+    it('should remove a listener', done => {
+      fixtureEl.innerHTML = '<div></div>'
+      const div = fixtureEl.querySelector('div')
+
+      let called = 0
+      const handler = () => {
+        called++
+      }
+
+      EventHandler.on(div, 'foobar', handler)
+      EventHandler.trigger(div, 'foobar')
+
+      EventHandler.off(div, 'foobar', handler)
+      EventHandler.trigger(div, 'foobar')
+
+      setTimeout(() => {
+        expect(called).toEqual(1)
+        done()
+      }, 20)
+    })
+
+    it('should remove all the events', done => {
+      fixtureEl.innerHTML = '<div></div>'
+      const div = fixtureEl.querySelector('div')
+
+      let called = 0
+
+      EventHandler.on(div, 'foobar', () => {
+        called++
+      })
+      EventHandler.on(div, 'foobar', () => {
+        called++
+      })
+      EventHandler.trigger(div, 'foobar')
+
+      EventHandler.off(div, 'foobar')
+      EventHandler.trigger(div, 'foobar')
+
+      setTimeout(() => {
+        expect(called).toEqual(2)
+        done()
+      }, 20)
+    })
+
+    it('should remove all the namespaced listeners if namespace is passed', done => {
+      fixtureEl.innerHTML = '<div></div>'
+      const div = fixtureEl.querySelector('div')
+
+      let called = 0
+
+      EventHandler.on(div, 'foobar.namespace', () => {
+        called++
+      })
+      EventHandler.on(div, 'foofoo.namespace', () => {
+        called++
+      })
+      EventHandler.trigger(div, 'foobar.namespace')
+      EventHandler.trigger(div, 'foofoo.namespace')
+
+      EventHandler.off(div, '.namespace')
+      EventHandler.trigger(div, 'foobar.namespace')
+      EventHandler.trigger(div, 'foofoo.namespace')
+
+      setTimeout(() => {
+        expect(called).toEqual(2)
+        done()
+      }, 20)
+    })
+
+    it('should remove the namespaced listeners', done => {
+      fixtureEl.innerHTML = '<div></div>'
+      const div = fixtureEl.querySelector('div')
+
+      let calledCallback1 = 0
+      let calledCallback2 = 0
+
+      EventHandler.on(div, 'foobar.namespace', () => {
+        calledCallback1++
+      })
+      EventHandler.on(div, 'foofoo.namespace', () => {
+        calledCallback2++
+      })
+
+      EventHandler.trigger(div, 'foobar.namespace')
+      EventHandler.off(div, 'foobar.namespace')
+      EventHandler.trigger(div, 'foobar.namespace')
+
+      EventHandler.trigger(div, 'foofoo.namespace')
+
+      setTimeout(() => {
+        expect(calledCallback1).toEqual(1)
+        expect(calledCallback2).toEqual(1)
+        done()
+      }, 20)
+    })
+
+    it('should remove the all the namespaced listeners for native events', done => {
+      fixtureEl.innerHTML = '<div></div>'
+      const div = fixtureEl.querySelector('div')
+
+      let called = 0
+
+      EventHandler.on(div, 'click.namespace', () => {
+        called++
+      })
+      EventHandler.on(div, 'click.namespace2', () => {
+        called++
+      })
+
+      EventHandler.trigger(div, 'click')
+      EventHandler.off(div, 'click')
+      EventHandler.trigger(div, 'click')
+
+      setTimeout(() => {
+        expect(called).toEqual(2)
+        done()
+      }, 20)
+    })
+
+    it('should remove the specified namespaced listeners for native events', done => {
+      fixtureEl.innerHTML = '<div></div>'
+      const div = fixtureEl.querySelector('div')
+
+      let called1 = 0
+      let called2 = 0
+
+      EventHandler.on(div, 'click.namespace', () => {
+        called1++
+      })
+      EventHandler.on(div, 'click.namespace2', () => {
+        called2++
+      })
+      EventHandler.trigger(div, 'click')
+
+      EventHandler.off(div, 'click.namespace')
+      EventHandler.trigger(div, 'click')
+
+      setTimeout(() => {
+        expect(called1).toEqual(1)
+        expect(called2).toEqual(2)
+        done()
+      }, 20)
+    })
+
+    it('should remove a listener registered by .one', done => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const handler = () => {
+        throw new Error('called')
+      }
+
+      EventHandler.one(div, 'foobar', handler)
+      EventHandler.off(div, 'foobar', handler)
+
+      EventHandler.trigger(div, 'foobar')
+      setTimeout(() => {
+        expect().nothing()
+        done()
+      }, 20)
+    })
+
+    it('should remove the correct delegated event listener', () => {
+      const element = document.createElement('div')
+      const subelement = document.createElement('span')
+      element.appendChild(subelement)
+
+      const anchor = document.createElement('a')
+      element.appendChild(anchor)
+
+      let i = 0
+      const handler = () => {
+        i++
+      }
+
+      EventHandler.on(element, 'click', 'a', handler)
+      EventHandler.on(element, 'click', 'span', handler)
+
+      fixtureEl.appendChild(element)
+
+      EventHandler.trigger(anchor, 'click')
+      EventHandler.trigger(subelement, 'click')
+
+      // first listeners called
+      expect(i === 2).toEqual(true)
+
+      EventHandler.off(element, 'click', 'span', handler)
+      EventHandler.trigger(subelement, 'click')
+
+      // removed listener not called
+      expect(i === 2).toEqual(true)
+
+      EventHandler.trigger(anchor, 'click')
+
+      // not removed listener called
+      expect(i === 3).toEqual(true)
+
+      EventHandler.on(element, 'click', 'span', handler)
+      EventHandler.trigger(anchor, 'click')
+      EventHandler.trigger(subelement, 'click')
+
+      // listener re-registered
+      expect(i === 5).toEqual(true)
+
+      EventHandler.off(element, 'click', 'span')
+      EventHandler.trigger(subelement, 'click')
+
+      // listener removed again
+      expect(i === 5).toEqual(true)
+    })
+  })
+})
diff --git a/js/tests/unit/dom/manipulator.spec.js b/js/tests/unit/dom/manipulator.spec.js
new file mode 100644
index 000000000..986f69298
--- /dev/null
+++ b/js/tests/unit/dom/manipulator.spec.js
@@ -0,0 +1,158 @@
+import Manipulator from '../../../src/dom/manipulator'
+
+/** Test helpers */
+import { getFixture, clearFixture } from '../../helpers/fixture'
+
+describe('Manipulator', () => {
+  let fixtureEl
+
+  beforeAll(() => {
+    fixtureEl = getFixture()
+  })
+
+  afterEach(() => {
+    clearFixture()
+  })
+
+  describe('setDataAttribute', () => {
+    it('should set data attribute', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      Manipulator.setDataAttribute(div, 'key', 'value')
+      expect(div.getAttribute('data-key')).toEqual('value')
+    })
+
+    it('should set data attribute in lower case', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      Manipulator.setDataAttribute(div, 'tEsT', 'value')
+      expect(div.getAttribute('data-test')).toEqual('value')
+    })
+  })
+
+  describe('removeDataAttribute', () => {
+    it('should remove data attribute', () => {
+      fixtureEl.innerHTML = '<div data-key="value"></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      Manipulator.removeDataAttribute(div, 'key')
+      expect(div.getAttribute('data-key')).toBeNull()
+    })
+
+    it('should remove data attribute in lower case', () => {
+      fixtureEl.innerHTML = '<div data-testkey="value" ></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      Manipulator.removeDataAttribute(div, 'tEStKeY')
+      expect(div.getAttribute('data-testkey')).toBeNull()
+    })
+  })
+
+  describe('getDataAttributes', () => {
+    it('should return empty object for null', () => {
+      expect(Manipulator.getDataAttributes(null), {})
+      expect().nothing()
+    })
+
+    it('should get all data attributes', () => {
+      fixtureEl.innerHTML = '<div data-test="js" data-test2="js2" ></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      expect(Manipulator.getDataAttributes(div)).toEqual({
+        test: 'js',
+        test2: 'js2'
+      })
+    })
+  })
+
+  describe('getDataAttribute', () => {
+    it('should get data attribute', () => {
+      fixtureEl.innerHTML = '<div data-test="null" ></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      expect(Manipulator.getDataAttribute(div, 'test')).toBeNull()
+    })
+
+    it('should get data attribute in lower case', () => {
+      fixtureEl.innerHTML = '<div data-test="value" ></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      expect(Manipulator.getDataAttribute(div, 'tEsT')).toEqual('value')
+    })
+
+    it('should normalize data', () => {
+      fixtureEl.innerHTML = '<div data-test="false" ></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      expect(Manipulator.getDataAttribute(div, 'test')).toEqual(false)
+
+      div.setAttribute('data-test', 'true')
+      expect(Manipulator.getDataAttribute(div, 'test')).toEqual(true)
+
+      div.setAttribute('data-test', '1')
+      expect(Manipulator.getDataAttribute(div, 'test')).toEqual(1)
+    })
+  })
+
+  describe('offset', () => {
+    it('should return object with two properties top and left, both numbers', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const offset = Manipulator.offset(div)
+
+      expect(offset).toBeDefined()
+      expect(offset.top).toEqual(jasmine.any(Number))
+      expect(offset.left).toEqual(jasmine.any(Number))
+    })
+  })
+
+  describe('position', () => {
+    it('should return object with two properties top and left, both numbers', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const position = Manipulator.position(div)
+
+      expect(position).toBeDefined()
+      expect(position.top).toEqual(jasmine.any(Number))
+      expect(position.left).toEqual(jasmine.any(Number))
+    })
+  })
+
+  describe('toggleClass', () => {
+    it('should not error out if element is null or undefined', () => {
+      Manipulator.toggleClass(null, 'test')
+      Manipulator.toggleClass(undefined, 'test')
+      expect().nothing()
+    })
+
+    it('should add class if it is missing', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      Manipulator.toggleClass(div, 'test')
+      expect(div.classList.contains('test')).toEqual(true)
+    })
+
+    it('should remove class if it is set', () => {
+      fixtureEl.innerHTML = '<div class="test"></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      Manipulator.toggleClass(div, 'test')
+      expect(div.classList.contains('test')).toEqual(false)
+    })
+  })
+})
diff --git a/js/tests/unit/dom/selector-engine.spec.js b/js/tests/unit/dom/selector-engine.spec.js
new file mode 100644
index 000000000..e13438e6f
--- /dev/null
+++ b/js/tests/unit/dom/selector-engine.spec.js
@@ -0,0 +1,115 @@
+import SelectorEngine from '../../../src/dom/selector-engine'
+import { makeArray } from '../../../src/util/index'
+
+/** Test helpers */
+import { getFixture, clearFixture } from '../../helpers/fixture'
+
+describe('SelectorEngine', () => {
+  let fixtureEl
+
+  beforeAll(() => {
+    fixtureEl = getFixture()
+  })
+
+  afterEach(() => {
+    clearFixture()
+  })
+
+  describe('matches', () => {
+    it('should return matched elements', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      expect(SelectorEngine.matches(fixtureEl, 'div')).toEqual(true)
+    })
+  })
+
+  describe('find', () => {
+    it('should find elements', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      expect(makeArray(SelectorEngine.find('div', fixtureEl))).toEqual([div])
+    })
+
+    it('should find elements globaly', () => {
+      fixtureEl.innerHTML = '<div id="test"></div>'
+
+      const div = fixtureEl.querySelector('#test')
+
+      expect(makeArray(SelectorEngine.find('#test'))).toEqual([div])
+    })
+
+    it('should handle :scope selectors', () => {
+      fixtureEl.innerHTML = `<ul>
+        <li></li>
+        <li>
+          <a href="#" class="active">link</a>
+        </li>
+        <li></li>
+      </ul>`
+
+      const listEl = fixtureEl.querySelector('ul')
+      const aActive = fixtureEl.querySelector('.active')
+
+      expect(makeArray(SelectorEngine.find(':scope > li > .active', listEl))).toEqual([aActive])
+    })
+  })
+
+  describe('findOne', () => {
+    it('should return one element', () => {
+      fixtureEl.innerHTML = '<div id="test"></div>'
+
+      const div = fixtureEl.querySelector('#test')
+
+      expect(SelectorEngine.findOne('#test')).toEqual(div)
+    })
+  })
+
+  describe('children', () => {
+    it('should find children', () => {
+      fixtureEl.innerHTML = `<ul>
+        <li></li>
+        <li></li>
+        <li></li>
+      </ul>`
+
+      const list = fixtureEl.querySelector('ul')
+      const liList = makeArray(fixtureEl.querySelectorAll('li'))
+      const result = makeArray(SelectorEngine.children(list, 'li'))
+
+      expect(result).toEqual(liList)
+    })
+  })
+
+  describe('parents', () => {
+    it('should return parents', () => {
+      expect(SelectorEngine.parents(fixtureEl, 'body').length).toEqual(1)
+    })
+  })
+
+  describe('prev', () => {
+    it('should return previous element', () => {
+      fixtureEl.innerHTML = '<div class="test"></div><button class="btn"></button>'
+
+      const btn = fixtureEl.querySelector('.btn')
+      const divTest = fixtureEl.querySelector('.test')
+
+      expect(SelectorEngine.prev(btn, '.test')).toEqual([divTest])
+    })
+
+    it('should return previous element with an extra element between', () => {
+      fixtureEl.innerHTML = [
+        '<div class="test"></div>',
+        '<span></span>',
+        '<button class="btn"></button>'
+      ].join('')
+
+      const btn = fixtureEl.querySelector('.btn')
+      const divTest = fixtureEl.querySelector('.test')
+
+      expect(SelectorEngine.prev(btn, '.test')).toEqual([divTest])
+    })
+  })
+})
+