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describe :env_value, shared: true do
before :each do
@saved_foo = ENV["foo"]
end
after :each do
ENV["foo"] = @saved_foo
end
it "returns true if ENV has the value" do
ENV["foo"] = "bar"
ENV.send(@method, "bar").should == true
end
it "returns false if ENV doesn't have the value" do
ENV.send(@method, "foo").should == false
end
it "returns nil if the argument is not a String and does not respond to #to_str" do
ENV.send(@method, Object.new).should == nil
end
end
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