Commit f94c815

@@ -7,6 +7,18 @@ module Scale
       self.d="M#{x} #{y}"
     end
 
+    def line_to(x:, y:)
+      self.d = "#{self.d} L #{x} #{y}"
+    end
+
+    def horizontal(n)
+      self.d = "#{self.d} H #{n}"
+    end
+
+    def vertical(n)
+      self.d = "#{self.d} V #{n}"
+    end
+
     def xml_tag
       :path
     end

@@ -1,10 +1,48 @@
 describe Scale::Path do
-  it 'moves' do
-    subject.move_to(x: 10, y: 10)
-    expected = <<-XML
+  describe "#move_to" do
+    it 'moves' do
+      subject.move_to(x: 10, y: 10)
+      expected = <<-XML
 <?xml version="1.0"?>
 <path d="M10 10"/>
-    XML
-    expect(subject.to_xml).to eql(expected)
+      XML
+      expect(subject.to_xml).to eql(expected)
+    end
+  end
+
+  describe "#line_to" do
+    it 'draws a line to the x and y coordinate' do
+      subject.move_to(x: 10, y: 10)
+      subject.line_to(x: 20, y: 20)
+      expected = <<-XML
+<?xml version="1.0"?>
+<path d="M10 10 L 20 20"/>
+      XML
+      expect(subject.to_xml).to eql(expected)
+    end
+  end
+
+  describe "#horizontal" do
+    it 'draws a horizontal line' do
+      subject.move_to(x: 10, y: 10)
+      subject.horizontal(90)
+      expected = <<-XML
+<?xml version="1.0"?>
+<path d="M10 10 H 90"/>
+      XML
+      expect(subject.to_xml).to eql(expected)
+    end
+  end
+
+  describe "#vertial" do
+    it 'draws a horizontal line' do
+      subject.move_to(x: 10, y: 10)
+      subject.vertical(90)
+      expected = <<-XML
+<?xml version="1.0"?>
+<path d="M10 10 V 90"/>
+      XML
+      expect(subject.to_xml).to eql(expected)
+    end
   end
 end