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require File.expand_path('../../../spec_helper', __FILE__)
describe "ENV.fetch" do
it "returns a value" do
ENV["foo"] = "bar"
ENV.fetch("foo").should == "bar"
ENV.delete "foo"
end
it "raises IndexError for an invalid key" do
lambda { ENV.fetch "should_never_be_set" }.should raise_error(IndexError)
end
it "provides the given default parameter" do
ENV.fetch("should_never_be_set", "default").should == "default"
end
it "provides a default value from a block" do
ENV.fetch("should_never_be_set") { |k| "wanted #{k}" }.should == "wanted should_never_be_set"
end
it "warns on block and default parameter given" do
lambda do
ENV.fetch("should_never_be_set", "default") { 1 }.should == 1
end.should complain(/block supersedes default value argument/)
end
ruby_version_is "1.9" do
it "uses the locale encoding" do
ENV.fetch(ENV.keys.first).encoding.should == Encoding.find('locale')
end
end
end
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