53 lines
1.4 KiB
Ruby
53 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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# Inspired by https://github.com/ljkbennett/stub_env/blob/master/lib/stub_env/helpers.rb
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module StubENV
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# Stub ENV variables
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#
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# You can provide either a key and value as separate params or both in a Hash format
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#
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# Keys and values will always be converted to String, to comply with how ENV behaves
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#
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# @param key_or_hash [String, Hash<String,String>]
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# @param value [String]
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def stub_env(key_or_hash, value = nil)
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init_stub unless env_stubbed?
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if key_or_hash.is_a? Hash
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key_or_hash.each do |key, value|
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add_stubbed_value(key, ensure_env_type(value))
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end
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else
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add_stubbed_value key_or_hash, ensure_env_type(value)
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end
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end
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private
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STUBBED_KEY = '__STUBBED__'
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def add_stubbed_value(key, value)
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allow(ENV).to receive(:[]).with(key).and_return(value)
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allow(ENV).to receive(:key?).with(key).and_return(true)
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allow(ENV).to receive(:fetch).with(key).and_return(value)
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allow(ENV).to receive(:fetch).with(key, anything) do |_, default_val|
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value || default_val
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end
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end
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def env_stubbed?
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ENV.fetch(STUBBED_KEY, false)
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end
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def init_stub
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allow(ENV).to receive(:[]).and_call_original
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allow(ENV).to receive(:key?).and_call_original
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allow(ENV).to receive(:fetch).and_call_original
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add_stubbed_value(STUBBED_KEY, true)
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end
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def ensure_env_type(value)
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value.nil? ? value : value.to_s
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end
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end
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