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require 'spec_helper'
describe Configurate::Provider::Env do
subject { described_class.new }
let(:existing_path) { ['existing', 'setting']}
let(:not_existing_path) { ['not', 'existing', 'path']}
let(:array_path) { ['array'] }
before(:all) do
ENV['EXISTING_SETTING'] = "there"
ENV['ARRAY'] = "foo,bar,baz"
end
after(:all) do
ENV['EXISTING_SETTING'] = nil
ENV['ARRAY'] = nil
end
describe '#lookup_path' do
it "joins and upcases the path" do
ENV.should_receive(:[]).with("EXISTING_SETTING")
subject.lookup_path(existing_path)
end
it "returns nil if the setting isn't available" do
subject.lookup_path(not_existing_path).should be_nil
end
it "makes an array out of comma separated values" do
subject.lookup_path(array_path).should == ["foo", "bar", "baz"]
end
it "returns a unfrozen string" do
expect {
setting = subject.lookup_path(existing_path)
setting << "foo"
}.to_not raise_error
end
end
end
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