Revamp a few more XPath compiler specs
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Yorick Peterse
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604d0d9337
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8b2455679f
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@ -1,14 +1,16 @@
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require 'spec_helper'
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describe Oga::XPath::Compiler do
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describe 'querying HTML documents' do
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before do
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@document = parse_html('<html xmlns="foo"><body></body></html>')
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@body = @document.children[0].children[0]
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end
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before do
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@document = parse_html('<html xmlns="foo"><body></body></html>')
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@body = @document.children[0].children[0]
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end
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it 'returns a NodeSet when a custom default namespace is declared' do
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evaluate_xpath(@document, 'html/body').should == node_set(@body)
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describe 'relative to an HTML document' do
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describe 'html/body' do
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it 'returns a NodeSet' do
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evaluate_xpath(@document).should == node_set(@body)
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end
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end
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end
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end
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@ -1,31 +1,31 @@
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require 'spec_helper'
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describe Oga::XPath::Compiler do
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describe 'predicates' do
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before do
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@document = parse('<root><a>10</a><a><b>20</a></a></root>')
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before do
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@document = parse('<root><a>10</a><a><b>20</a></a></root>')
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root = @document.children[0]
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root = @document.children[0]
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@a1 = root.children[0]
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@a2 = root.children[1]
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end
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@a1 = root.children[0]
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@a2 = root.children[1]
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end
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describe 'using an integer as an index' do
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it 'returns a NodeSet containing the first <a> node' do
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evaluate_xpath(@document, 'root/a[1]').should == node_set(@a1)
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describe 'relative to a document' do
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describe 'root/a[1]' do
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it 'returns a NodeSet' do
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evaluate_xpath(@document).should == node_set(@a1)
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end
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end
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describe 'using a float as an index' do
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it 'returns a NodeSet containing the first <a> node' do
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evaluate_xpath(@document, 'root/a[1.5]').should == node_set(@a1)
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describe 'root/a[1.5]' do
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it 'returns a NodeSet' do
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evaluate_xpath(@document).should == node_set(@a1)
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end
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end
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describe 'using a node test' do
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it 'returns a NodeSet containing all <a> nodes with <b> child nodes' do
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evaluate_xpath(@document, 'root/a[b]').should == node_set(@a2)
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describe 'root/a[b]' do
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it 'returns a NodeSet' do
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evaluate_xpath(@document).should == node_set(@a2)
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end
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end
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end
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@ -7,19 +7,23 @@ describe Oga::XPath::Compiler do
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@compiler = described_class.new
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end
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it 'returns the value of a variable' do
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ast = parse_xpath('$number')
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block = @compiler.compile(ast)
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describe 'when a variable is defined' do
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it 'returns the value of a variable' do
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ast = parse_xpath('$number')
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block = @compiler.compile(ast)
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block.call(@document, 'number' => 10.0).should == 10.0
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block.call(@document, 'number' => 10.0).should == 10.0
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end
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end
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it 'raises RuntimeError when evaluating an unbound variable' do
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ast = parse_xpath('$number')
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block = @compiler.compile(ast)
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describe 'when a variable is undefined' do
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it 'raises RuntimeError' do
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ast = parse_xpath('$number')
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block = @compiler.compile(ast)
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proc { block.call(@document) }.should
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raise_error 'Undefined XPath variable: number'
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proc { block.call(@document) }.should
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raise_error 'Undefined XPath variable: number'
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end
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end
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end
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end
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@ -1,30 +1,38 @@
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require 'spec_helper'
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describe Oga::XPath::Compiler do
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describe 'wildcard paths' do
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before do
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@document = parse('<a xmlns:ns1="x"><b></b><b></b><ns1:c></ns1:c></a>')
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before do
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@document = parse('<a xmlns:ns1="x"><b></b><b></b><ns1:c></ns1:c></a>')
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@a1 = @document.children[0]
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@b1 = @a1.children[0]
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@b2 = @a1.children[1]
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@c1 = @a1.children[2]
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@a1 = @document.children[0]
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@b1 = @a1.children[0]
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@b2 = @a1.children[1]
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@c1 = @a1.children[2]
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end
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describe 'relative to a document' do
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describe 'a/*' do
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it 'returns a NodeSet' do
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evaluate_xpath(@document).should == @a1.children
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end
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end
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it 'evaluates a wildcard path' do
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evaluate_xpath(@document, 'a/*').should == @a1.children
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describe 'a/*:b' do
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it 'returns a NodeSet' do
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evaluate_xpath(@document).should == node_set(@b1, @b2)
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end
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end
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it 'evaluates a path using a namespace wildcard' do
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evaluate_xpath(@document, 'a/*:b').should == node_set(@b1, @b2)
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describe 'a/ns1:*' do
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it 'returns a NodeSet' do
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evaluate_xpath(@document).should == node_set(@c1)
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end
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end
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it 'evaluates a path using a namespace and a name wildcard' do
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evaluate_xpath(@document, 'a/ns1:*').should == node_set(@c1)
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end
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it 'evaluates a containing a namespace wildcard and a name wildcard' do
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evaluate_xpath(@document, 'a/*:*').should == @a1.children
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describe 'a/*:*' do
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it 'returns a NodeSet' do
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evaluate_xpath(@document).should == @a1.children
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end
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end
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end
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end
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