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require File.expand_path(File.dirname(__FILE__)+"/spec_helper.rb")
describe Rubyvis::Dom do
it "should map correctly" do
map={
:a=>{:aa=>1,
:ab=>{:aba=>2}
},
:b=>4,
:c=>{:ca=>5}
}
dom_map=Rubyvis::Dom.new(map)
root=dom_map.root.sort {|a,b| a.node_name.to_s<=>b.node_name.to_s}
root.nodes.should be_instance_of Array
root.nodes.size.should eq 8
ar=root.nodes.map do |n|
[n.node_name, n.node_value]
end
ar.should eq [[nil, nil], [:a, nil], [:aa, 1], [:ab, nil], [:aba, 2], [:b, 4], [:c, nil], [:ca, 5]]
end
it "should treemap example works right" do
flare={:a=>{:aa=>1,:ab=>1,:ac=>1},:b=>{:ba=>1,:bb=>1},:c=>3}
dom_map=Rubyvis::Dom.new(flare)
nodes = dom_map.root("flare").nodes
root = nodes[0]
root.visit_after {|nn,i|
if nn.first_child
nn.size=Rubyvis.sum(nn.child_nodes, lambda {|v| v.size})
else
nn.size=nn.node_value.to_f
end
}
root.sort(lambda {|a,b|
if a.size!=b.size
a.size<=>b.size
else
a.node_name.to_s<=>b.node_name.to_s
end
})
ar=[]
root.visit_before {|n,i|
ar.push [n.node_name, n.size]
}
ar.should eq [["flare", 8.0], [:b, 2.0], [:ba, 1.0], [:bb, 1.0], [:a, 3.0], [:aa, 1.0], [:ab, 1.0], [:ac, 1.0], [:c, 3.0]]
end
describe Rubyvis::Dom::Node do
before do
@n =Rubyvis::Dom::Node.new(:a)
@n2=Rubyvis::Dom::Node.new(:b)
@n3=Rubyvis::Dom::Node.new(:c)
@n4=Rubyvis::Dom::Node.new(:d)
@n5=Rubyvis::Dom::Node.new(:e)
end
subject {@n}
it "should have node_value" do
@n.node_value.should eq :a
end
it {should respond_to :parent_node}
it {should respond_to :first_child}
it {should respond_to :last_child}
it {should respond_to :previous_sibling}
it {should respond_to :next_sibling}
it {should respond_to :node_name}
it {should respond_to :child_nodes}
it "should child_nodes be empty" do
@n.child_nodes.size==0
end
it "method append_child" do
@n.append_child(@n2).should eq @n2
@n.child_nodes.should eq [@n2]
@n2.parent_node.should eq @n
@n.first_child.should eq @n2
@n.last_child.should eq @n2
@n.append_child(@n3)
@n.child_nodes.should eq [@n2,@n3]
@n3.parent_node.should eq @n
@n.first_child.should eq @n2
@n.last_child.should eq @n3
@n2.previous_sibling.should be_nil
@n2.next_sibling.should eq @n3
@n3.previous_sibling.should eq @n2
@n3.next_sibling.should be_nil
@n.append_child(@n4)
@n.last_child.should eq @n4
@n2.next_sibling.should eq @n3
@n3.next_sibling.should eq @n4
@n4.next_sibling.should be_nil
@n4.previous_sibling.should eq @n3
@n3.previous_sibling.should eq @n2
@n2.previous_sibling.should be_nil
end
it "method remove_child" do
@n.append_child(@n2)
@n.append_child(@n3)
@n.append_child(@n4)
@n.remove_child(@n3).should eq @n3
@n3.next_sibling.should be_nil
@n3.previous_sibling.should be_nil
@n3.parent_node.should be_nil
@n2.next_sibling.should eq @n4
@n4.previous_sibling.should eq @n2
@n.remove_child(@n4)
@n2.next_sibling.should be_nil
@n.first_child.should eq @n2
@n.last_child.should eq @n2
end
it "method insert_before" do
@n.append_child(@n2)
@n.append_child(@n4)
@n.insert_before(@n3,@n4)
@n.child_nodes.size.should eq 3
@n.first_child.should eq @n2
@n.last_child.should eq @n4
@n2.next_sibling.should eq @n3
@n3.next_sibling.should eq @n4
@n4.next_sibling.should be_nil
@n2.previous_sibling.should be_nil
@n3.previous_sibling.should eq @n2
@n4.previous_sibling.should eq @n3
@n.child_nodes[0].should eq @n2
@n.child_nodes[1].should eq @n3
@n.child_nodes[2].should eq @n4
end
it "method replace_child" do
@n.append_child(@n2)
@n.append_child(@n3)
@n.replace_child(@n4,@n3)
@n.child_nodes.size.should eq 2
@n.child_nodes[0].should eq @n2
@n.child_nodes[1].should eq @n4
@n2.next_sibling.should eq @n4
@n4.next_sibling.should eq nil
@n2.previous_sibling.should be_nil
@n4.previous_sibling.should eq @n2
@n.first_child.should eq @n2
@n.last_child.should eq @n4
end
describe "visit methods" do
before do
@n.append_child(@n2)
@n2.append_child(@n5)
@n.append_child(@n3)
@n3.append_child(@n4)
@a=[]
end
it "method visit_before" do
@n.visit_before {|n,d|
@a.push([n.node_value,d])
}
@a.should eq [[:a, 0], [:b, 1], [:e, 2], [:c, 1], [:d, 2]]
end
it "method visit_after" do
@n.visit_after {|n,d|
@a.push([n.node_value,d])
}
@a.should eq [[:e, 2], [:b, 1], [:d, 2], [:c, 1], [:a, 0]]
end
it "method each_child" do
@n.append_child(@n5)
@n.each_child {|d|
@a.push(d.node_value)
}
@a.should eq [:b, :c,:e]
end
end
it "should sort correctly" do
@n.append_child(@n5)
@n.append_child(@n4)
@n.append_child(@n3)
@n.append_child(@n2)
@n.sort {|a,b| a.node_value.to_s<=>b.node_value.to_s}
@n.child_nodes.should eq [@n2,@n3,@n4,@n5]
@n.first_child.should eq @n2
@n.last_child.should eq @n5
@n2.next_sibling.should eq @n3
@n3.next_sibling.should eq @n4
@n4.next_sibling.should eq @n5
@n5.next_sibling.should be_nil
@n2.previous_sibling.should be_nil
@n3.previous_sibling.should eq @n2
@n4.previous_sibling.should eq @n3
@n5.previous_sibling.should eq @n4
end
it "should reverse correctly" do
@n.append_child(@n3)
@n.append_child(@n5)
@n.append_child(@n2)
@n.append_child(@n4)
@n.reverse
@n.child_nodes.should eq [@n4,@n2,@n5,@n3]
end
end
end
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