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# frozen_string_literal: true
require "spec_helper"
describe Configurate::Provider::Env do
subject { described_class.new }
let(:existing_path) { %w[existing setting] }
let(:not_existing_path) { %w[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
expect(ENV).to receive(:[]).with("EXISTING_SETTING")
subject.lookup_path existing_path
end
it "returns nil if the setting isn't available" do
expect(subject.lookup_path(not_existing_path)).to be_nil
end
it "makes an array out of comma separated values" do
expect(subject.lookup_path(array_path)).to eq %w[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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