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/base-component.spec.js | 168 +++++++++++++++++++++++++++++++++++
 1 file changed, 168 insertions(+)
 create mode 100644 js/tests/unit/base-component.spec.js

(limited to 'js/tests/unit/base-component.spec.js')

diff --git a/js/tests/unit/base-component.spec.js b/js/tests/unit/base-component.spec.js
new file mode 100644
index 0000000..b2352d6
--- /dev/null
+++ b/js/tests/unit/base-component.spec.js
@@ -0,0 +1,168 @@
+import BaseComponent from '../../src/base-component'
+import { clearFixture, getFixture } from '../helpers/fixture'
+import EventHandler from '../../src/dom/event-handler'
+import { noop } from '../../src/util'
+
+class DummyClass extends BaseComponent {
+  constructor(element) {
+    super(element)
+
+    EventHandler.on(this._element, `click${DummyClass.EVENT_KEY}`, noop)
+  }
+
+  static get NAME() {
+    return 'dummy'
+  }
+}
+
+describe('Base Component', () => {
+  let fixtureEl
+  const name = 'dummy'
+  let element
+  let instance
+  const createInstance = () => {
+    fixtureEl.innerHTML = '<div id="foo"></div>'
+    element = fixtureEl.querySelector('#foo')
+    instance = new DummyClass(element)
+  }
+
+  beforeAll(() => {
+    fixtureEl = getFixture()
+  })
+
+  afterEach(() => {
+    clearFixture()
+  })
+
+  describe('Static Methods', () => {
+    describe('VERSION', () => {
+      it('should return version', () => {
+        expect(DummyClass.VERSION).toEqual(jasmine.any(String))
+      })
+    })
+
+    describe('DATA_KEY', () => {
+      it('should return plugin data key', () => {
+        expect(DummyClass.DATA_KEY).toEqual(`bs.${name}`)
+      })
+    })
+
+    describe('NAME', () => {
+      it('should throw an Error if it is not initialized', () => {
+        expect(() => {
+          // eslint-disable-next-line no-unused-expressions
+          BaseComponent.NAME
+        }).toThrowError(Error)
+      })
+
+      it('should return plugin NAME', () => {
+        expect(DummyClass.NAME).toEqual(name)
+      })
+    })
+
+    describe('EVENT_KEY', () => {
+      it('should return plugin event key', () => {
+        expect(DummyClass.EVENT_KEY).toEqual(`.bs.${name}`)
+      })
+    })
+  })
+
+  describe('Public Methods', () => {
+    describe('constructor', () => {
+      it('should accept element, either passed as a CSS selector or DOM element', () => {
+        fixtureEl.innerHTML = [
+          '<div id="foo"></div>',
+          '<div id="bar"></div>'
+        ].join('')
+
+        const el = fixtureEl.querySelector('#foo')
+        const elInstance = new DummyClass(el)
+        const selectorInstance = new DummyClass('#bar')
+
+        expect(elInstance._element).toEqual(el)
+        expect(selectorInstance._element).toEqual(fixtureEl.querySelector('#bar'))
+      })
+
+      it('should not initialize and add element record to Data (caching), if argument `element` is not an HTML element', () => {
+        fixtureEl.innerHTML = ''
+
+        const el = fixtureEl.querySelector('#foo')
+        const elInstance = new DummyClass(el)
+        const selectorInstance = new DummyClass('#bar')
+
+        expect(elInstance._element).not.toBeDefined()
+        expect(selectorInstance._element).not.toBeDefined()
+      })
+    })
+
+    describe('dispose', () => {
+      it('should dispose an component', () => {
+        createInstance()
+        expect(DummyClass.getInstance(element)).not.toBeNull()
+
+        instance.dispose()
+
+        expect(DummyClass.getInstance(element)).toBeNull()
+        expect(instance._element).toBeNull()
+      })
+
+      it('should de-register element event listeners', () => {
+        createInstance()
+        const spy = spyOn(EventHandler, 'off')
+
+        instance.dispose()
+
+        expect(spy).toHaveBeenCalledWith(element, DummyClass.EVENT_KEY)
+      })
+    })
+
+    describe('getInstance', () => {
+      it('should return an instance', () => {
+        createInstance()
+
+        expect(DummyClass.getInstance(element)).toEqual(instance)
+        expect(DummyClass.getInstance(element)).toBeInstanceOf(DummyClass)
+      })
+
+      it('should accept element, either passed as a CSS selector, jQuery element, or DOM element', () => {
+        createInstance()
+
+        expect(DummyClass.getInstance('#foo')).toEqual(instance)
+        expect(DummyClass.getInstance(element)).toEqual(instance)
+
+        const fakejQueryObject = {
+          0: element,
+          jquery: 'foo'
+        }
+
+        expect(DummyClass.getInstance(fakejQueryObject)).toEqual(instance)
+      })
+
+      it('should return null when there is no instance', () => {
+        fixtureEl.innerHTML = '<div></div>'
+
+        const div = fixtureEl.querySelector('div')
+
+        expect(DummyClass.getInstance(div)).toBeNull()
+      })
+    })
+
+    describe('getOrCreateInstance', () => {
+      it('should return an instance', () => {
+        createInstance()
+
+        expect(DummyClass.getOrCreateInstance(element)).toEqual(instance)
+        expect(DummyClass.getInstance(element)).toEqual(DummyClass.getOrCreateInstance(element, {}))
+        expect(DummyClass.getOrCreateInstance(element)).toBeInstanceOf(DummyClass)
+      })
+
+      it('should return new instance when there is no alert instance', () => {
+        fixtureEl.innerHTML = '<div id="foo"></div>'
+        element = fixtureEl.querySelector('#foo')
+
+        expect(DummyClass.getInstance(element)).toBeNull()
+        expect(DummyClass.getOrCreateInstance(element)).toBeInstanceOf(DummyClass)
+      })
+    })
+  })
+})
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