add tests for all exports of adopter

4 files changed, 177 insertions, 8 deletions

diff --git a/spec/SpecRunnerEs6.html b/spec/SpecRunnerEs6.html
index fadc3a7..cca33c0 100644
--- a/spec/SpecRunnerEs6.html
+++ b/spec/SpecRunnerEs6.html
@@ -24,6 +24,7 @@
   <script type="module" src="spec/types/ArrayPolyfill.js"></script>
   <script type="module" src="spec/types/Base.js"></script>
   <script type="module" src="spec/types/Box.js"></script>
+  <script type="module" src="spec/utils/adopter.js"></script>
 
 </body>
 </html>
diff --git a/spec/helpers.js b/spec/helpers.js
index 23f92bb..a584b6a 100644
--- a/spec/helpers.js
+++ b/spec/helpers.js
@@ -152,8 +152,9 @@ export function buildCanvas () {
 export function clear () {
   let doc = getWindow().document
   let canvas = doc.getElementById('canvas')
-  //let fixtures = doc.getElementById('fixtures')
+  let fixtures = doc.getElementById('fixtures')
 
-  //fixtures.parentNode.removeChild(fixtures)
+  // remove if present
+  fixtures && fixtures.parentNode.removeChild(fixtures)
   canvas.parentNode.removeChild(canvas)
 }
diff --git a/spec/spec/utils/adopter.js b/spec/spec/utils/adopter.js
new file mode 100644
index 0000000..e038a5d
--- /dev/null
+++ b/spec/spec/utils/adopter.js
@@ -0,0 +1,161 @@
+const { any, createSpy, objectContaining } = jasmine
+
+import {
+  makeNode,
+  makeInstance,
+  nodeOrNew,
+  register,
+  getClass,
+  eid,
+  extend,
+  wrapWithAttrCheck,
+  Rect,
+  Element,
+  adopt,
+  root
+} from '../../../src/main.js'
+
+import { getWindow } from '../../../src/utils/window.js'
+import { mockAdopt } from '../../../src/utils/adopter.js'
+import { buildFixtures } from '../../helpers.js'
+
+const Node = getWindow().Node
+
+describe('Adopter.js', () => {
+  describe('makeNode()', () => {
+    it('creates a node of the specified type', () => {
+      let rect = makeNode('rect')
+      expect(rect).toEqual(any(Node))
+      expect(rect.nodeName).toBe('rect')
+    })
+  })
+
+  describe('makeInstance()', () => {
+    const adoptSpy = createSpy('adopt')
+
+    beforeEach(() => {
+      adoptSpy.calls.reset()
+      mockAdopt(adoptSpy)
+    })
+
+    afterEach(() => {
+      mockAdopt()
+    })
+
+    it('creates a root-object when no argument given', () => {
+      let doc = makeInstance()
+
+      expect(doc).toEqual(any(getClass(root)))
+      expect(doc).toEqual(any(Element))
+    })
+
+    it('returns a given svg.js object directly', () => {
+      let rect = new Rect()
+      let samerect = makeInstance(rect)
+      expect(rect).toBe(samerect)
+    })
+
+    it('creates an element from passed svg string', () => {
+      makeInstance('<rect width="200px">')
+
+      expect(adoptSpy).toHaveBeenCalledWith(any(Node))
+      expect(adoptSpy).toHaveBeenCalledWith(objectContaining({nodeName: 'rect'}))
+    })
+
+    it('searches for element in dom if selector given', () => {
+      buildFixtures()
+
+      let path = getWindow().document.getElementById('lineAB')
+
+      makeInstance('#lineAB')
+      makeInstance('#doesNotExist')
+
+      expect(adoptSpy).toHaveBeenCalledWith(path)
+      expect(adoptSpy).toHaveBeenCalledWith(null)
+    })
+
+    it('calls adopt when passed a node', () => {
+      makeInstance(makeNode('rect'))
+
+      expect(adoptSpy).toHaveBeenCalledWith(any(Node))
+      expect(adoptSpy).toHaveBeenCalledWith(objectContaining({nodeName: 'rect'}))
+    })
+  })
+
+  describe('nodeOrNew()', () => {
+    it('creates a node of node argument is null', () => {
+      let rect = nodeOrNew('rect', null)
+      expect(rect).toEqual(any(Node))
+      expect(rect.nodeName).toBe('rect')
+    })
+
+    it('returns the node if one is passed', () => {
+      let div = document.createElement('div')
+      expect(nodeOrNew('something', div)).toBe(div)
+    })
+  })
+
+  describe('register()/getClass()', () => {
+    it('sets and gets a class from the class register', () => {
+      const a = class {}
+      register(a)
+      expect(getClass('a')).toBe(a)
+    })
+  })
+
+  describe('edi()', () => {
+    it('returns a unique id', () => {
+      expect(eid('foo')).not.toBe(eid('foo'))
+    })
+  })
+
+  describe('extend()', () => {
+    it('adds all functions in the given object to the target object', () => {
+      const a = class {}
+
+      extend(a, {
+        test () { this.prop = 'test'; return this }
+      })
+
+      expect(typeof a.prototype.test).toBe('function')
+      expect(new a().test().prop).toBe('test')
+    })
+    it('accepts and extend multiple modules at once', () => {
+      const a = class {}
+      const b = class {}
+      const c = class {}
+
+      extend([a, b, c], {
+        test () { this.prop = 'test'; return this }
+      })
+
+      expect(typeof a.prototype.test).toBe('function')
+      expect(new a().test().prop).toBe('test')
+      expect(typeof b.prototype.test).toBe('function')
+      expect(new b().test().prop).toBe('test')
+      expect(typeof c.prototype.test).toBe('function')
+      expect(new c().test().prop).toBe('test')
+    })
+  })
+
+  describe('wrapWithAttrCheck()', () => {
+    it('wraps a function so that it calles an attr function if an object is passed', () => {
+      const attrSpy = createSpy('attr')
+
+      const a = class {}
+      extend(a, {
+        test: wrapWithAttrCheck(function () {
+          this.prop = 'test'; return this
+        }),
+        attr: attrSpy
+      })
+
+      const obj = {}
+
+      expect(new a().test().prop).toBe('test')
+      expect(attrSpy).not.toHaveBeenCalled()
+      new a().test(obj)
+      expect(attrSpy).toHaveBeenCalledWith(obj)
+    })
+  })
+})
diff --git a/src/utils/adopter.js b/src/utils/adopter.js
index a4c60de..5c1b0b6 100644
--- a/src/utils/adopter.js
+++ b/src/utils/adopter.js
@@ -17,7 +17,7 @@ export function makeInstance (element) {
   if (element instanceof Base) return element
 
   if (typeof element === 'object') {
-    return adopt(element)
+    return adopter(element)
   }
 
   if (element == null) {
@@ -25,7 +25,7 @@ export function makeInstance (element) {
   }
 
   if (typeof element === 'string' && element.charAt(0) !== '<') {
-    return adopt(globals.document.querySelector(element))
+    return adopter(globals.document.querySelector(element))
   }
 
   var node = makeNode('svg')
@@ -33,7 +33,7 @@ export function makeInstance (element) {
 
   // We can use firstChild here because we know,
   // that the first char is < and thus an element
-  element = adopt(node.firstChild)
+  element = adopter(node.firstChild)
 
   return element
 }
@@ -65,6 +65,12 @@ export function adopt (node) {
   return new elements[className](node)
 }
 
+let adopter = adopt
+
+export function mockAdopt(mock = adopt) {
+  adopter = mock
+}
+
 export function register (element, name = element.name, asRoot = false) {
   elements[name] = element
   if (asRoot) elements[root] = element
@@ -117,9 +123,9 @@ export function extend (modules, methods, attrCheck) {
   }
 }
 
-export function extendWithAttrCheck (...args) {
-  extend(...args, true)
-}
+// export function extendWithAttrCheck (...args) {
+//   extend(...args, true)
+// }
 
 export function wrapWithAttrCheck (fn) {
   return function (...args) {