"should format dot-delimited mac-address":
  input:
    - '1ac2.34f0.b1c2'
  expect:
    - '1a:c2:34:f0:b1:c2'

"should format already formatted mac address":
  input:
    - '1a:c2:34:f0:b1:c2'
  expect:
    - '1a:c2:34:f0:b1:c2'

"should format mac address without separators":
  input:
    - '1ac234f0b1c2'
  expect:
    - '1a:c2:34:f0:b1:c2'