*** Settings ***
Documentation     A test suite for Modbus commands.
...
...               Keywords are imported from the resource file
Resource          ModbusTestSuite.resource
Default Tags      multi_dut_modbus_generic
Suite Setup       Create Connection    ${MODBUS_DEF_SERVER_IP}    ${MODBUS_DEF_PORT}
Suite Teardown    Disconnect

*** Variables ***
${suiteConnection}    None

*** Test Cases ***
Test Cusom Command Request
    [Documentation]    Test reading slave UID, running status, identificator structure (use custom frame template)
    [Template]    Custom Command
    0x01    [0x41]    0    ${None}                                                              # Try to send shortest request for custom command, do not check the buffer
    0x01    [0x41, 0x11, 0x22, 0x33, 0x44]    0    ${None}                                      # Send custom data, do not compare the response buffer
    0x01    [0x41, 0x11, 0x22, 0x33]    0    [17, 34, 51, 0x3A, 83, 108, 97, 118, 101]          # Send the custom command and compare expected response (can use hex or dec values)

Test Report Slave Id
    [Documentation]    Test reading slave UID, running status, identificator structure (use custom frame template)
    [Template]    Report Slave Id
    0x01    [0x11]    0                     # Try o send correct request to get Slave ID
    0x01    [0x11, 0x02, 0x01, 0xff]    3   # Try to mimic incorrect request for Report Slave ID
    0x01    [0x11, 0x00]    3

Test Read Holding Registers With Different Addresses And Quantities
    [Documentation]    Test reading holding registers from different addresses with different quantities
    [Template]    Read Holding Registers
    0x01    0x0001    2    0
    0x01    0x0002    3    0

Test Write Holding Registers With Different Addresses And Quantities
    [Documentation]    Test write holding registers for different addresses with different quantities
    [Template]    Write Holding Registers
    0x01    0x0003    2    [0x1122, 0x3344]             0
    0x01    0x0004    3    [0x1122, 0x3344, 0x5566]     0

Test Read Input Registers With Different Addresses And Quantities
    [Documentation]    Test read input registers for different addresses with different quantities
    [Template]    Read Input Registers
    0x01    0x0003    2         0
    0x01    0x0004    3         0
    0x01    0x0001    200       3
    0x01    0x2344    3         2

Test Write Single Holding Register
    [Documentation]    Test write one single holding register
    [Template]    Write Single Holding Register
    0x01    0x0001    0x1122    0
    0x01    0x2344    0x1122    2
    0x01    0x0010    0x3344    0

Test Read Coils With Different Addresses And Quantities
    [Documentation]    Test read coil registers for different addresses with different quantities
    [Template]    Read Coil Registers
    0x01    0x0001    0      3
    0x01    0x0001    16     0
    0x01    0x0010    20     2
    0x01    0x0002    300    2
    0x01    0x0008    30     2

Test Read Discrete Inputs With Different Addresses And Quantities
    [Documentation]    Test read discrete registers for different addresses with different quantities
    [Template]    Read Discrete Input Registers
    0x01    0x0001    0      3
    0x01    0x0001    16     0
    0x01    0x0010    20     2
    0x01    0x0002    300    2
    0x01    0x0008    30     2

Test Write Coils With Different Addresses And Quantities
    [Documentation]    Test write coil registers for different addresses with different quantities
    [Template]    Write Coil Registers
    0x01    0x0000    8      [0xFF]         0
    0x01    0x0005    300    [0xFF]         3
    0x01    0x0008    16     [0xFF, 0x55]   0