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seen_spec.rb
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seen_spec.rb
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describe "Eye.seen?" do
before(:each) do
@eyes = [:array, :hash, :bloom_filter].map{|t| Eye.new(:type => t)}
end
it "is a method" do
@eyes.each do |eye|
eye.should.respond_to? :seen?
end
end
it "takes a single argument" do
@eyes.each do |eye|
lambda{eye.seen?("string")}.should_not raise_error
end
end
it "raises an ArgumentError if called without arguments" do
@eyes.each do |eye|
lambda{eye.seen?}.should raise_error(ArgumentError)
end
end
it "raises an ArgumentError if called with more than one argument" do
@eyes.each do |eye|
lambda{eye.seen?(1,2)}.should raise_error(ArgumentError)
lambda{eye.seen?("str",['g'],"bar")}.should raise_error(ArgumentError)
end
end
it "returns true if .see(obj) has been called previously" do
@eyes.each do |eye|
['Kim', 'http://example.com/'].each do |obj|
eye.see obj
eye.seen?(obj).should == true
end
eye.seen?('Kim').should == true
end
end
it "returns false unless .see(obj) has been called previously" do
@eyes.each do |eye|
['The Tao of Pooh', 29, 30.3].each do |obj|
eye.seen?(obj).should == false
end
eye.seen?(29).should == false
end
end
end