added tests for Line

3 files changed, 107 insertions, 3 deletions

diff --git a/spec/spec/elements/Line.js b/spec/spec/elements/Line.js
new file mode 100644
index 0000000..9fe1871
--- /dev/null
+++ b/spec/spec/elements/Line.js
@@ -0,0 +1,104 @@
+/* globals describe, expect, it, beforeEach, spyOn, jasmine, container */
+
+import { Line, PointArray, SVG, G } from '../../../src/main.js'
+
+const { any, objectContaining } = jasmine
+
+describe('Line.js', () => {
+  let line
+
+  beforeEach(() => {
+    line = new Line()
+  })
+
+  describe('()', () => {
+    it('creates a new object of type Line', () => {
+      expect(new Line()).toEqual(any(Line))
+    })
+
+    it('sets passed attributes on the element', () => {
+      expect(new Line({ id: 'foo' }).id()).toBe('foo')
+    })
+  })
+
+  describe('array()', () => {
+    it('returns a PointArray containing the points of the line', () => {
+      const array = line.plot(1, 2, 3, 4).array()
+      expect(array).toEqual(any(PointArray))
+      expect(array).toEqual([ [ 1, 2 ], [ 3, 4 ] ])
+    })
+  })
+
+  describe('plot()', () => {
+    it('relays to array() as getter', () => {
+      const spy = spyOn(line, 'array')
+      line.plot()
+      expect(spy).toHaveBeenCalled()
+    })
+
+    it('calls attr with line attributes when 4 parameters given', () => {
+      const spy = spyOn(line, 'attr')
+      line.plot(1, 2, 3, 4)
+      expect(spy).toHaveBeenCalledWith({ x1: 1, y1: 2, x2: 3, y2: 4 })
+    })
+
+    it('calls attr with line attributes when array given', () => {
+      const spy = spyOn(line, 'attr')
+      line.plot([ 1, 2, 3, 4 ])
+      expect(spy).toHaveBeenCalledWith({ x1: 1, y1: 2, x2: 3, y2: 4 })
+    })
+
+    it('calls attr with line attributes when multi array given', () => {
+      const spy = spyOn(line, 'attr')
+      line.plot([ [ 1, 2 ], [ 3, 4 ] ])
+      expect(spy).toHaveBeenCalledWith({ x1: 1, y1: 2, x2: 3, y2: 4 })
+    })
+
+    it('calls attr with line attributes when PointArray given', () => {
+      const spy = spyOn(line, 'attr')
+      line.plot(new PointArray([ [ 1, 2 ], [ 3, 4 ] ]))
+      expect(spy).toHaveBeenCalledWith({ x1: 1, y1: 2, x2: 3, y2: 4 })
+    })
+  })
+
+  describe('move()', () => {
+    it('returns itself', () => {
+      expect(line.move(0, 0)).toBe(line)
+    })
+
+    it('moves the line along x and y axis', () => {
+      const canvas = SVG().addTo(container)
+      const line = canvas.line(1, 2, 3, 4)
+      line.move(50, 50)
+      expect(line.bbox()).toEqual(objectContaining({
+        x: 50, y: 50, width: 2, height: 2
+      }))
+    })
+  })
+
+  describe('size()', () => {
+    it('returns itself', () => {
+      expect(line.size(50, 50)).toBe(line)
+    })
+
+    it('sets the size of the line', () => {
+      const canvas = SVG().addTo(container)
+      const line = canvas.line(1, 2, 3, 4)
+      line.size(50, 50)
+      expect(line.bbox()).toEqual(objectContaining({
+        width: 50, height: 50, x: 1, y: 2
+      }))
+    })
+  })
+
+  describe('Container', () => {
+    describe('line()', () => {
+      it('creates a line with given points', () => {
+        const group = new G()
+        const line = group.line(1, 2, 3, 4)
+        expect(line.array()).toEqual([ [ 1, 2 ], [ 3, 4 ] ])
+        expect(line).toEqual(any(Line))
+      })
+    })
+  })
+})
diff --git a/spec/spec/elements/Marker.js b/spec/spec/elements/Marker.js
index 67be0bd..129bbc2 100644
--- a/spec/spec/elements/Marker.js
+++ b/spec/spec/elements/Marker.js
@@ -32,8 +32,8 @@ describe('Marker.js', function () {
 
   describe('orient()', () => {
     it('sets the orient attribute', () => {
-      const marker = new Marker().orient('start')
-      expect(marker.attr('orient')).toBe('start')
+      const marker = new Marker().orient('auto')
+      expect(marker.attr('orient')).toBe('auto')
     })
   })
 
diff --git a/src/elements/Line.js b/src/elements/Line.js
index 146aa45..b9982f4 100644
--- a/src/elements/Line.js
+++ b/src/elements/Line.js
@@ -29,7 +29,7 @@ export default class Line extends Shape {
     if (x1 == null) {
       return this.array()
     } else if (typeof y1 !== 'undefined') {
-      x1 = { x1: x1, y1: y1, x2: x2, y2: y2 }
+      x1 = { x1, y1, x2, y2 }
     } else {
       x1 = new PointArray(x1).toLine()
     }