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regexp_crawler_spec.rb
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regexp_crawler_spec.rb
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require File.expand_path(File.dirname(__FILE__) + "/spec_helper.rb")
describe RegexpCrawler do
class Post
attr_accessor :title, :date, :body
end
describe '#simple html' do
before(:each) do
success_page('/resources/simple.html', 'http://simple.com/')
end
it 'should parse data according to regexp' do
crawl = RegexpCrawler.new
crawl.start_page = 'http://simple.com/'
crawl.capture_regexp = %r{<div class="title">(.*?)</div>.*<div class="date">(.*?)</div>.*<div class="body">(.*?)</div>}m
crawl.named_captures = ['title', 'date', 'body']
crawl.model = Post
results = crawl.start
results.size.should == 1
end
end
describe '#complex html' do
before(:each) do
success_page('/resources/complex.html', 'http://complex.com/')
success_page('/resources/nested1.html', 'http://complex.com/nested1.html')
success_page('/resources/nested2.html', 'http://complex.com/nested2.html')
end
it 'should parse data according to regexp' do
crawl = RegexpCrawler.new
crawl.start_page = 'http://complex.com/'
crawl.continue_regexp = %r{(?:http://complex.com/)?nested\d.html}
crawl.capture_regexp = %r{<div class="title">(.*?)</div>.*<div class="date">(.*?)</div>.*<div class="body">(.*?)</div>}m
crawl.named_captures = ['title', 'date', 'body']
crawl.model = Post
results = crawl.start
results.size.should == 2
end
end
def success_page(local_path, remote_path)
path = File.expand_path(File.dirname(__FILE__) + local_path)
content = File.read(path)
http = mock(Net::HTTPSuccess)
http.stubs(:is_a?).with(Net::HTTPSuccess).returns(true)
http.stubs(:body).returns(content)
Net::HTTP.expects(:get_response).times(1).with(URI.parse(remote_path)).returns(http)
end
end