This is a serial port test library for Robot Framework.

Example:

*** settings ***
Library    SerialLibrary    loop://    encoding=ascii

*** test cases ***
Hello serial test
     Write Data    Hello World
     Read Data Should Be    Hello World

Another Example:

*** settings ***
Library    SerialLibrary

*** test cases ***
Read Until should read until terminator or size
    [Setup]    Add Port    loop://    timeout=0.1
    ${bytes} =    Set Variable
    Write Data    01 23 45 0A 67 89 AB CD EF
    ${read} =    Read Until
    Should Be Equal As Strings    ${read}    01 23 45 0A
    ${read} =    Read Until   size=2
    Should Be Equal As Strings    ${read}    67 89
    ${read} =    Read Until   terminator=CD
    Should Be Equal As Strings    ${read}    AB CD
    ${read} =    Read Until
    Should Be Equal As Strings    ${read}    EF
    ${read} =    Read Until
    Should Be Equal As Strings    ${read}    ${EMPTY}
    [Teardown]    Delete All Ports