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require File.expand_path(File.dirname(__FILE__)+"/spec_helper.rb")
describe Rubyvis::Layout::Arc do
include Rubyvis::LayoutSpec
it "should have correct properties" do
props=[:antialias, :bottom, :canvas, :cursor, :data, :directed, :events, :fill_style, :height, :id, :left, :line_width, :links, :nodes, :orient, :overflow, :reverse, :right, :stroke_style, :title, :top, :transform, :visible, :width].inject({}) {|ac, v| ac[v]=true; ac}
Rubyvis::Layout::Arc.properties.should==props
end
it "should be called using Rubyvis.Layout.Arc" do
Rubyvis.Layout.Arc.should eql Rubyvis::Layout::Arc
end
describe "rendered" do
before do
w = 300
h = 100
color=Rubyvis::Colors.category19
@vis = Rubyvis::Panel.new().
width(w).
height(h).
bottom(50).
left(0)
mat=@vis.add(Rubyvis::Layout::Arc).
nodes(net_nodes).links(net_links).
sort(lambda {|a,b| a.group<=>b.group})
mat.link.add(Rubyvis::Line).
antialias(false).
line_width(1)
mat.node.add(Rubyvis::Dot).
shape_size(10).
fill_style(lambda {|l| color[l.group]})
mat.node_label.add(Rubyvis::Label).
text_style(lambda {|l| color[l.group]})
@vis.render
svg_out=fixture_svg_read("layout_arc.svg")
@rv_svg=Nokogiri::XML(@vis.to_svg)
@pv_svg=Nokogiri::XML(svg_out)
end
it "should render correct number of clipaths" do
@rv_svg.xpath("//xmlns:path").size.should eq @pv_svg.xpath("//path").size
end
it "should render equal paths (links)" do
pv_paths=@pv_svg.xpath("//path")
@rv_svg.xpath("//xmlns:path").each_with_index {|rv_path,i|
rv_path.should have_path_data_close_to pv_paths[i]['d']
}
end
it "should render equal dots (nodes)" do
pv_circles=@pv_svg.xpath("//circle")
@rv_svg.xpath("//xmlns:circle").each_with_index {|rv_circle,i|
rv_circle.should have_same_position pv_circles[i]
}
end
end
end
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