Module: EnvTestHelpers

Defined in:
lib/env_test_helpers.rb,
lib/env_test_helpers/version.rb

Constant Summary collapse

VERSION = 
"0.0.1"

Instance Method Summary collapse

Instance Method Details

#mock_env_vars(vars) ⇒ Object

describe Thing do

before(:all) do
  mock_env_vars('FOO' => 'bar')
end
it 'does something with the FOO environment variable' do
  # logic that depends upon ENV['FOO'] goes here
end

end



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# File 'lib/env_test_helpers.rb', line 26

def mock_env_vars(vars)
  vars.each do |k, v|
    allow(ENV).to receive(:[]).with(k).and_return(v)
  end
end

#with_env_vars(vars) ⇒ Object

it ‘does something with the FOO environment variable’ do

with_env_vars 'FOO' => 'bar' do
  # logic that depends upon ENV['FOO'] goes here
end

end



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# File 'lib/env_test_helpers.rb', line 9

def with_env_vars(vars)
  original = ENV.to_hash
  vars.each { |k, v| ENV[k] = v }
  begin
    yield
  ensure
    ENV.replace(original)
  end
end