1 files changed, 78 insertions, 0 deletions
diff --git a/js/tests/unit/util/config.spec.js b/js/tests/unit/util/config.spec.js
new file mode 100644
index 0000000000..a8f8962ee3
--- /dev/null
+++ b/js/tests/unit/util/config.spec.js
@@ -0,0 +1,78 @@
+import Config from '../../../src/util/config'
+
+class DummyConfigClass extends Config {
+  static get NAME() {
+    return 'dummy'
+  }
+}
+
+describe('Config', () => {
+  const name = 'dummy'
+  describe('NAME', () => {
+    it('should return plugin NAME', () => {
+      expect(DummyConfigClass.NAME).toEqual(name)
+    })
+  })
+
+  describe('DefaultType', () => {
+    it('should return plugin default type', () => {
+      expect(DummyConfigClass.DefaultType).toEqual(jasmine.any(Object))
+    })
+  })
+
+  describe('Default', () => {
+    it('should return plugin defaults', () => {
+      expect(DummyConfigClass.Default).toEqual(jasmine.any(Object))
+    })
+  })
+
+  describe('typeCheckConfig', () => {
+    it('should check type of the config object', () => {
+      spyOnProperty(DummyConfigClass, 'DefaultType', 'get').and.returnValue({
+        toggle: 'boolean',
+        parent: '(string|element)'
+      })
+      const config = {
+        toggle: true,
+        parent: 777
+      }
+
+      const obj = new DummyConfigClass()
+      expect(() => {
+        obj._typeCheckConfig(config)
+      }).toThrowError(TypeError, obj.constructor.NAME.toUpperCase() + ': Option "parent" provided type "number" but expected type "(string|element)".')
+    })
+
+    it('should return null stringified when null is passed', () => {
+      spyOnProperty(DummyConfigClass, 'DefaultType', 'get').and.returnValue({
+        toggle: 'boolean',
+        parent: '(null|element)'
+      })
+
+      const obj = new DummyConfigClass()
+      const config = {
+        toggle: true,
+        parent: null
+      }
+
+      obj._typeCheckConfig(config)
+      expect().nothing()
+    })
+
+    it('should return undefined stringified when undefined is passed', () => {
+      spyOnProperty(DummyConfigClass, 'DefaultType', 'get').and.returnValue({
+        toggle: 'boolean',
+        parent: '(undefined|element)'
+      })
+
+      const obj = new DummyConfigClass()
+      const config = {
+        toggle: true,
+        parent: undefined
+      }
+
+      obj._typeCheckConfig(config)
+      expect().nothing()
+    })
+  })
+})