spec/prawn/svg/element_spec.rb in prawn-svg-0.20.0 vs spec/prawn/svg/element_spec.rb in prawn-svg-0.21.0

@@ -1,16 +1,18 @@
 require File.dirname(__FILE__) + '/../../spec_helper'
 
 describe Prawn::Svg::Element do
-  before :each do
-    e = double(:attributes => {}, :name => "path")
+  let(:document) { double(css_parser: nil) }
+  let(:e) { double(:attributes => {}, :name => "path") }
+  let(:element) { Prawn::Svg::Element.new(document, e, [], {}) }
 
-    @document = Struct.new(:fallback_font_name, :css_parser, :warnings).new("Courier", nil, [])
-    @element = Prawn::Svg::Element.new(@document, e, [], {})
-  end
+  describe "#parse_font_attributes_and_call" do
+    before do
+      @document = Struct.new(:fallback_font_name, :css_parser, :warnings).new("Courier", nil, [])
+      @element = Prawn::Svg::Element.new(@document, e, [], {})
+    end
 
-  describe :parse_font_attributes_and_call do
     it "uses a font if it can find it" do
       @element.should_receive(:add_call_and_enter).with('font', 'Helvetica', :style => :normal)
 
       @element.attributes["font-family"] = "Helvetica"
       @element.send :parse_font_attributes_and_call
@@ -29,8 +31,97 @@
       @element.should_not_receive(:add_call_and_enter)
 
       @element.attributes["font-family"] = "Font That Doesn't Exist"
       @element.send :parse_font_attributes_and_call
       @document.warnings.length.should == 1
+    end
+  end
+
+  describe "#parse_fill_and_stroke_attributes_and_call" do
+    subject { element.send :parse_fill_and_stroke_attributes_and_call }
+
+    it "doesn't change anything if no fill attribute provided" do
+      subject
+      expect(element.state[:fill]).to be nil
+    end
+
+    it "doesn't change anything if 'inherit' fill attribute provided" do
+      element.attributes['fill'] = 'inherit'
+      subject
+      expect(element.state[:fill]).to be nil
+    end
+
+    it "turns off filling if 'none' fill attribute provided" do
+      element.attributes['fill'] = 'none'
+      subject
+      expect(element.state[:fill]).to be false
+    end
+
+    it "uses the fill attribute's color" do
+      expect(element).to receive(:add_call).with('fill_color', 'ff0000')
+      element.attributes['fill'] = 'red'
+      subject
+      expect(element.state[:fill]).to be true
+    end
+
+    it "uses black if the fill attribute's color is unparseable" do
+      expect(element).to receive(:add_call).with('fill_color', '000000')
+      element.attributes['fill'] = 'blarble'
+      subject
+      expect(element.state[:fill]).to be true
+    end
+
+    it "uses the color attribute if 'currentColor' fill attribute provided" do
+      expect(element).to receive(:add_call).with('fill_color', 'ff0000')
+      element.attributes['fill'] = 'currentColor'
+      element.attributes['color'] = 'red'
+      subject
+      expect(element.state[:fill]).to be true
+    end
+
+    it "turns off filling if UnresolvableURLWithNoFallbackError is raised" do
+      element.attributes['fill'] = 'url()'
+      subject
+      expect(element.state[:fill]).to be false
+    end
+  end
+
+  describe "#parse_transform_attribute_and_call" do
+    subject { element.send :parse_transform_attribute_and_call }
+
+    describe "translate" do
+      it "handles a missing y argument" do
+        expect(element).to receive(:add_call_and_enter).with('translate', -5.5, 0)
+        expect(document).to receive(:distance).with(-5.5, :x).and_return(-5.5)
+        expect(document).to receive(:distance).with(0.0, :y).and_return(0.0)
+
+        element.attributes['transform'] = 'translate(-5.5)'
+        subject
+      end
+    end
+
+    describe "rotate" do
+      it "handles a single angle argument" do
+        expect(element).to receive(:add_call_and_enter).with('rotate', -5.5, :origin => [0, 0])
+        expect(document).to receive(:y).with('0').and_return(0)
+
+        element.attributes['transform'] = 'rotate(5.5)'
+        subject
+      end
+
+      it "handles three arguments" do
+        expect(element).to receive(:add_call_and_enter).with('rotate', -5.5, :origin => [1.0, 2.0])
+        expect(document).to receive(:x).with(1.0).and_return(1.0)
+        expect(document).to receive(:y).with(2.0).and_return(2.0)
+
+        element.attributes['transform'] = 'rotate(5.5 1 2)'
+        subject
+      end
+
+      it "does nothing and warns if two arguments" do
+        expect(document).to receive(:warnings).and_return([])
+        element.attributes['transform'] = 'rotate(5.5 1)'
+        subject
+      end
     end
   end
 end