Feat/add marker tests

tests/robot/check_data_validation_marker_api/check_data_validation_marker_api.robot

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+*** Settings ***
+Library           RequestsLibrary
+Library           Collections
+Library           OperatingSystem
+Resource          ../Lib/lib.robot
+
+*** Keywords ***
+Get Scheme
+    ${PGSSLMODE}=  Get Environment Variable  PGSSLMODE
+    ${scheme}=  Set Variable If  '${PGSSLMODE}' == 'require'  https  http
+    RETURN  ${scheme}
+
+Create Marker Session
+    [Arguments]  ${scheme}
+    ${auth_enabled}=  Get Auth
+    IF  '${auth_enabled}' == 'true'
+        ${PG_ROOT_PASSWORD}=  Get Environment Variable  PG_ROOT_PASSWORD
+        ${auth}=  Create List  postgres  ${PG_ROOT_PASSWORD}
+        Create Session  backup_daemon_marker  ${scheme}://postgres-backup-daemon:8080  auth=${auth}  verify=False
+    ELSE
+        Create Session  backup_daemon_marker  ${scheme}://postgres-backup-daemon:8080  verify=False
+    END
+
+Create Unauthed Session
+    [Arguments]  ${scheme}
+    Create Session  backup_daemon_marker_noauth  ${scheme}://postgres-backup-daemon:8080  verify=False
+
+Post Marker
+    [Arguments]  ${marker_value}
+    &{body}=  Create Dictionary  marker=${marker_value}
+    &{headers}=  Create Dictionary  Content-Type=application/json  Accept=application/json
+    ${resp}=  POST On Session  backup_daemon_marker  /api/v1/data-validation/marker  json=${body}  headers=${headers}
+    RETURN  ${resp}
+
+Get Marker
+    ${resp}=  GET On Session  backup_daemon_marker  /api/v1/data-validation/marker
+    RETURN  ${resp}
+
+*** Test Cases ***
+Write And Read Marker
+    [Tags]  backup basic  marker
+    ${scheme}=  Get Scheme
+    Create Marker Session  ${scheme}
+    ${write_resp}=  Post Marker  test-marker-value
+    Should Be Equal  ${write_resp.status_code}  ${201}
+    ${read_resp}=  Get Marker
+    Should Be Equal  ${read_resp.status_code}  ${200}
+    Dictionary Should Contain Key  ${read_resp.json()}  marker
+    ${marker}=  Get From Dictionary  ${read_resp.json()}  marker
+    Should Be Equal  ${marker}  test-marker-value
+
+Overwrite Marker
+    [Tags]  backup basic  marker
+    ${scheme}=  Get Scheme
+    Create Marker Session  ${scheme}
+    ${first_resp}=  Post Marker  first-marker
+    Should Be Equal  ${first_resp.status_code}  ${201}
+    ${second_resp}=  Post Marker  second-marker
+    Should Be Equal  ${second_resp.status_code}  ${201}
+    ${read_resp}=  Get Marker
+    Should Be Equal  ${read_resp.status_code}  ${200}
+    ${marker}=  Get From Dictionary  ${read_resp.json()}  marker
+    Should Be Equal  ${marker}  second-marker
+
+Post Marker With Missing Field Returns 400
+    [Tags]  backup basic  marker
+    ${scheme}=  Get Scheme
+    Create Marker Session  ${scheme}
+    &{body}=  Create Dictionary  other_field=value
+    &{headers}=  Create Dictionary  Content-Type=application/json  Accept=application/json
+    ${resp}=  POST On Session  backup_daemon_marker  /api/v1/data-validation/marker
+    ...  json=${body}  headers=${headers}  expected_status=400
+    Should Be Equal  ${resp.status_code}  ${400}
+    Dictionary Should Contain Key  ${resp.json()}  error
+
+Post Marker With Empty Marker Value Returns 400
+    [Tags]  backup basic  marker
+    ${scheme}=  Get Scheme
+    Create Marker Session  ${scheme}
+    &{body}=  Create Dictionary  marker=${EMPTY}
+    &{headers}=  Create Dictionary  Content-Type=application/json  Accept=application/json
+    ${resp}=  POST On Session  backup_daemon_marker  /api/v1/data-validation/marker
+    ...  json=${body}  headers=${headers}  expected_status=400
+    Should Be Equal  ${resp.status_code}  ${400}
+    Dictionary Should Contain Key  ${resp.json()}  error
+
+Marker Endpoint Requires Authentication
+    [Tags]  backup basic  marker
+    ${res}=  Get Auth
+    Run Keyword If  '${res}' == "true"  Check Marker Auth Required
+
+*** Keywords ***
+Check Marker Auth Required
+    ${scheme}=  Get Scheme
+    Create Unauthed Session  ${scheme}
+    &{body}=  Create Dictionary  marker=some-value
+    &{headers}=  Create Dictionary  Content-Type=application/json  Accept=application/json
+    ${post_resp}=  POST On Session  backup_daemon_marker_noauth  /api/v1/data-validation/marker
+    ...  json=${body}  headers=${headers}  expected_status=401
+    Should Be Equal  ${post_resp.status_code}  ${401}
+    ${get_resp}=  GET On Session  backup_daemon_marker_noauth  /api/v1/data-validation/marker
+    ...  expected_status=401
+    Should Be Equal  ${get_resp.status_code}  ${401}