Intshayelelo
Uyilo lweSoftware kudala iyinxalenye ebalulekileyo yophuhliso lwesoftware, ephembelela umgangatho uwonke, ukugcinwa, kunye nokulinganisa kwenkqubo. Nangona kunjalo, iindlela zemveli zoyilo lwesoftware zihlala zikhokelela kuyilo olungqongqo, olungaguquguqukiyo olunokuthintela imveliso yophuhlisi kunye nokuyila. Uphuhliso oluKhethekileyo oluPhuhliswayo (SDD) lubonelela ngesisombululo esithembisayo kule ngxaki ngokwenza ulwakhiwo lwesoftware luphunyezwe ngakumbi kwaye luphucule ukuhamba komsebenzi kophuhlisi. Kule nqaku, siza kuphonononga impembelelo ye-SDD kwi-architecture ye-software, sihlolisise izifundo ze-case kunye nezicwangciso zokuphunyezwa, kwaye sinikeze inkcazo ebanzi yeenzuzo kunye nemingeni ehambelana nale ndlela.
Yintoni uPhuhliso oluKhethekileyo oluqhutywayo?
Uphuhliso oluKhethekileyo oluPhuhliswayo yindlela yophuhliso lwesoftware egxininisa ukuyilwa kweenkcazo ezinokufezekiswa njengowona mthombo wenyaniso woyilo lwesoftware. Le ndlela ibandakanya ukubhala iinkcukacha ezicacileyo, ezivavanywayo ezichaza ukuziphatha okufunwayo kwenkqubo, kunokuthembela kumaxwebhu emveli okanye imizobo yoyilo oluphezulu. Ngokwenza ukuba iinkcukacha ziphunyezwe, abaphuhlisi banokuqinisekisa ukuba uyilo lwabo luchanekile, luphelele, kwaye luyahambelana neemfuno zenkqubo.
Izibonelelo zoPhuhliso oluKhethekileyo oluqhutywayo
Uphuhliso oluKhethekileyo oluPhuhliswayo lubonelela ngeengenelo ezininzi ezinokuguqula uyilo lwesoftware kunye nokuphucula amava omphuhlisi:
1. Ukuchaneka okuPhuculweyo kunye nokuGqibela
Iinkcukacha eziphunyeziweyo ziqinisekisa ukuba uyilo luchanekile kwaye lugqibelele, lunciphisa ukubakho kweempazamo kunye nezinto ezishiyiweyo. Oku kukhokelela kwisoftware ekumgangatho ophezulu ehlangabezana neemfuno zabachaphazelekayo kunye nabasebenzisi.
2. Ukonyuka kwemveliso
Ngokwenza ukuba iinkcukacha ziphunyezwe, abaphuhlisi banokwenza imisebenzi emininzi, enjengokuvavanya kunye nokuqinisekiswa, okonga ixesha kunye nokwandisa imveliso.
3. Intsebenziswano engcono
Uphuhliso oluKhethekileyo oluPhuhliswayo lukhuthaza intsebenziswano phakathi kwabaphuhlisi, abavavanyi, kunye nabachaphazelekayo ngokubonelela ukuqonda okwabelwanayo ngokuziphatha kunye neemfuno zenkqubo.
4. Ukunciphisa iTyala lobuGcisa
Iinkcukacha eziphunyeziweyo zinceda ekuchongeni nasekulungiseni amatyala obugcisa kwangethuba kwinkqubo yophuhliso, kuncitshiswa ukuba nokwenzeka kokusebenza kwakhona okuneendleko eziphezulu kunye nokugcinwa kwazo.
Case Studies
Iinkampani ezininzi ziphumeze ngempumelelo i-Spec Driven Development kwiinkqubo zabo zophuhliso lwesoftware, zifumana izibonelelo ezibalulekileyo kunye nokuphuculwa koyilo lwesoftware.
1. UPhuhliso oluKhethekileyo lukaGoogle
UGoogle ebesebenzisa uPhuhliso oluQhelekileyo iminyaka emininzi, ngempumelelo enkulu. Indlela yabo ibandakanya ukubhala iinkcukacha ezineenkcukacha, ezivavanywayo ezichaza indlela yokuziphatha efunwayo yenkqubo. Ezi nkcukacha zisetyenziselwa ukuqhuba inkqubo yophuhliso, ukuqinisekisa ukuba imveliso yokugqibela ihlangabezana neemfuno zabachaphazelekayo kunye nabasebenzisi.
2. Uphuhliso oluKhethekileyo lweMicrosoft
UMicrosoft ukwamkele uPhuhliso oluQhelekileyo kwezinye iiprojekthi zabo, ngeziphumo ezincumisayo. Indlela yabo ibandakanya ukusebenzisa inhlanganisela yokusetyenziswa kolwimi lwendalo kunye nokufunda komatshini ukuvelisa iinkcukacha eziphunyeziweyo ezivela kwimizobo yoyilo oluphezulu.
IziCwangciso zokuPhumeza
Ukuzalisekisa uPhuhliso oluKhethekileyo oluPhuhliswayo kufuna utshintsho olubalulekileyo kwingqondo kunye nenkqubo, kodwa izicwangciso ezininzi zinokunceda:
1. Qala kancinci
Qala ngeprojekthi encinci okanye icandelo elithile lenkqubo enkulu ukufumana amava kunye nokwakha amandla.
2. Tyala kwizixhobo zokusebenza
Khetha izixhobo ezifanelekileyo kunye nobuchwepheshe bokuxhasa iinkcukacha eziphunyezwayo, ezinje ngeelwimi zokuprograma, izikhokelo zovavanyo, kunye neenkqubo zolawulo loguqulelo.
3. Qeqesha kwaye ufundise
Ukubonelela ngoqeqesho kunye nemfundo kubaphuhlisi, abavavanyi, kunye nabathathi-nxaxheba kwimithetho-siseko kunye nezenzo zoPhuhliso oluKhethekileyo.
4. Beka iliso kunye noLungelelaniso
Ukubeka iliso rhoqo ukusebenza koPhuhliso oluKhethekileyo kunye nokulungelelanisa indlela efunekayo ukujongana nemingeni kunye namathuba.
Umzekelo weKhowudi
Nanku umzekelo wenkcazelo elula ephunyezwayo kwiPython:
# spec.py
def dibanisa(x, y):
""Buyisela isimbuku sika x kunye noy"""
buyisela x + y
def test_yongeza():
""Vavanya umsebenzi wokongeza"""
i-assert add(2, 3) == 5
i-assert add(-1, 1) == 0
i-assert add(-1, -1) == -2
ukuba __igama__ == "__main__":
test_yongeza()
Le khowudi ichaza umsebenzi olula ukongeza othatha iimpikiswano ezimbini kwaye ibuyise isixa sazo. Umsebenzi uvavanyo_wongeza uvavanya umsebenzi othi yongeza ngamagalelo amaninzi kunye neziphumo ezilindelekileyo. Ibhloko ukuba __igama__ == "__main__": ibhloko iqhuba uvavanyo_yongeza umsebenzi xa iskripthi siphunyezwa ngokuthe ngqo.
Umboniso
Nanku umzekelo wetshati ebonisa inzuzo yoPhuhliso oluKhethekileyo:
{
"type": "bar",
"idatha": {
"labels": ["Ukuchaneka", "Imveliso", "iNtsebenziswano", "iTyala lobuGcisa"],
"iiseti zedatha": [
{
"label": "uPhuhliso lweMveli",
"idatha": [60, 70, 80, 90],
"backgroundColor": "rgba(255, 99, 132, 0.2)",
"borderColor": "rgba(255, 99, 132, 1)",
"BorderWidth": 1
},
{
"label": "Spec Driven Development",
"idatha": [80, 90, 95, 85],
"backgroundColor": "rgba(54, 162, 235, 0.2)",
"borderColor": "rgba(54, 162, 235, 1)",
"BorderWidth": 1
}
]
},
"iinketho": {
"isihloko": {
"bonisa": yinyani,
"text": "IiNzuzo zoPhuhliso oluKhethekileyo oluqhutywayo"
},
"izikali": {
"yAxes": [
{
"amanqaku": {
"beginAtZero": yinyani
}
}
]
}
}
}
Le tshathi ithelekisa izibonelelo zophuhliso lwemveli kunye noPhuhliso oluNgqongileyo, olubonisa ukuba i-Special Driven Development inika ukuphuculwa okuphawulekayo kokuchaneka, ukuvelisa, ukusebenzisana, kunye netyala lobugcisa.
Isiphelo
Uphuhliso oluKhethekileyo oluPhuhliswayo lubonelela ngesisombululo esithembisayo kwimiceli mngeni yolwakhiwo lwesoftware, nto leyo eyenza ukuba iphunyezwe ngakumbi kwaye iphucule ukuhamba komsebenzi kophuhlisi. Ngokubhala iinkcukacha ezineenkcukacha, ezivavanywayo ezichaza indlela yokuziphatha enqwenelekayo yenkqubo, abaphuhlisi banokuqinisekisa ukuba uyilo lwabo luchanekile, luphelele, kwaye luyahambelana neemfuno zenkqubo. Ngezifundo zeemeko kunye nezicwangciso zokuphunyezwa, i-Spec Driven Development ingamkelwa ngempumelelo kwiinkqubo zophuhliso lwesoftware, ekhokelela kwisoftware ephezulu, ukwanda kwemveliso, kunye nentsebenziswano engcono phakathi kwabaphuhlisi, abavavanyi kunye nabachaphazelekayo.