added tests for Circle

1 files changed, 66 insertions, 0 deletions

diff --git a/spec/spec/elements/Circle.js b/spec/spec/elements/Circle.js
new file mode 100644
index 0000000..e9b8b56
--- /dev/null
+++ b/spec/spec/elements/Circle.js
@@ -0,0 +1,66 @@
+/* globals describe, expect, it, beforeEach, spyOn, jasmine */
+
+import { Circle, G } from '../../../src/main.js'
+
+const { any, objectContaining } = jasmine
+
+describe('Circle.js', () => {
+  let circle
+
+  beforeEach(() => {
+    circle = new Circle()
+  })
+
+  describe('()', () => {
+    it('creates a new object of type Circle', () => {
+      expect(new Circle()).toEqual(any(Circle))
+    })
+
+    it('sets passed attributes on the element', () => {
+      expect(new Circle({ id: 'foo' }).id()).toBe('foo')
+    })
+  })
+
+  describe('radius()', () => {
+    it('calls attr with r', () => {
+      const spy = spyOn(circle, 'attr').and.callThrough()
+      circle.radius(123)
+      expect(spy).toHaveBeenCalledWith('r', 123)
+    })
+  })
+
+  describe('rx()', () => {
+    it('calls attr with r', () => {
+      const spy = spyOn(circle, 'attr')
+      circle.rx(123)
+      expect(spy).toHaveBeenCalledWith('r', 123)
+    })
+  })
+
+  describe('ry()', () => {
+    it('calls rx', () => {
+      const spy = spyOn(circle, 'rx')
+      circle.ry(123)
+      expect(spy).toHaveBeenCalledWith(123)
+    })
+  })
+
+  describe('size()', () => {
+    it('calls radius with half of the size', () => {
+      const spy = spyOn(circle, 'radius')
+      circle.size(100)
+      expect(spy).toHaveBeenCalledWith(objectContaining({ value: 50 }))
+    })
+  })
+
+  describe('Container', () => {
+    describe('circle()', () => {
+      it('creates a circle with given size', () => {
+        const group = new G()
+        const circle = group.circle(50)
+        expect(circle.attr('r')).toBe(25)
+        expect(circle).toEqual(any(Circle))
+      })
+    })
+  })
+})