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describe :env_include, 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 key" do
ENV["foo"] = "bar"
ENV.send(@method, "foo").should == true
end
it "returns false if ENV doesn't include the key" do
ENV.delete("foo")
ENV.send(@method, "foo").should == false
end
it "coerces the key with #to_str" do
ENV["foo"] = "bar"
k = mock('key')
k.should_receive(:to_str).and_return("foo")
ENV.send(@method, k).should == true
end
it "raises TypeError if the argument is not a String and does not respond to #to_str" do
-> { ENV.send(@method, Object.new) }.should raise_error(TypeError, "no implicit conversion of Object into String")
end
end
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