lib: dts-lib: add Check DPP Credentials In DTS KW

Signed-off-by: Daniil Klimuk <[email protected]>

Author: DaniilKl

lib/dts-lib.robot

@@ -555,3 +555,28 @@ Execute Manual Step While Freeing Serial Connection
     Execute Manual Step
     ...    ${msg}. Make sure to close serial connection before continuing
     Serial Setup    ${RTE_IP}    ${RTE_S2_N_PORT}
+
+Check DPP Credentials In DTS
+    [Documentation]    This KW checks whether DTS saves provided credentials
+    ....    correctly.
+    [Arguments]    ${dpp_email}    ${dpp_password}
+    ${credentials}=    Execute Command In Terminal    cat /etc/cloud-pass
+
+    # The /etc/cloud-pass is being created when the credential are being saved:
+    Should Not Contain    @{credentials}    No such file or directory
+
+    ${line_count}=    Get Line Count    ${credentials}
+    IF    ${line_count} != 2
+        # There should be no more than 2 lines in the /etc/cloud-pass
+        Fail    More than 2 lines in /etc/cloud-pass
+    END
+
+    # The first line should be email:
+    ${current_email}=    Get Line    ${credentials}     0
+    # The second line should be password:
+    ${current_password}=    Get Line    ${credentials}    1
+    IF    '${current_email}' != '${dpp_email}'
+        Fail    DPP email was not saved correctly
+    ELSE IF    '${current_password}' != '${dpp_password}'
+        Fail    DPP password was not saved correctly
+    END