= RO-based Regression Testing

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Given

* RO App uses all/most features of the FW,
* RO App tests are included in the FW coverage, and
* Recording caught all/most functions of the App

When

* Recorded events are replayed

Then

* FW test coverage should increase

.Record and Replay
[plantuml,file="regression-test.png"]
----
@startuml

: : -> FE : action

component kroviz <<RO FrontEnd>> as FE {
    database EventLog as EL
    FE -> EL
}

note bottom of EL
Req./Resp.
as well as UI
events are recorded
end note

component Demo <<RO App>> as APP
FE <-> APP : request / response

component "Apache Isis" <<Naked Objects FW>> as FW
APP -> FW : uses


together {
    file RE as "
    .. (Sample) Replay Events..
    |= url |= [request data] |= state |= response |\n| http://localhost:8080/restful | uid/pw | SUCCESS | {jsonStr} |\n| http://localhost:8080/restful/menubars | n/a | ERROR | {another js} |
    "
    component "Demo \nRegression \nTest" as DRT
}
EL ->"export" RE


RE <- DRT : reads
DRT "invokes"->"RO API" APP : replay

note bottom of DRT
Event Log Entries are replayed during test.
Expected/actual responses are compared.

Events in state:
* SUCCESS -> expected == actual
* ERROR -> expected != actual
end note

note top of FW
additional
coverage
end note

note as NREG
Regressions can be
caused in either
end note
APP .. NREG
NREG .. FW

@enduml
----



