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tests.py
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# content of test_sample.py
#from main import func,func2,func3
from batchSch import process,FirstComeFirstServedSort,shortestJobNext,PrioritySort,setUpProcessArr,averageTurnaround,averageWait
def test_process_creation_for_correct_pid():
proc1 = process(1,2,3,4)
assert proc1.pid ==1
def test_process_creation_for_correct_arrival_time():
proc1 = process(1,2,3,4)
assert proc1.arrival ==2
def test_find_minimum_index_using_FCFS_on_the_first_run():
processArr = []
curTime = 0.00
proc1 = process(1,0,20,2)
proc2 = process(3,0,50,1)
proc3 = process(7,9,4,3)
proc4 = process(2,10,12,4)
processArr.append(proc1)
processArr.append(proc2)
processArr.append(proc3)
processArr.append(proc4)
for i in range(len(processArr)):
if(processArr[i].complete==False and processArr[i].arrival<=curTime):
min = i
break
for i in range(len(processArr)):
if(processArr[i].arrival < processArr[min].arrival and processArr[i].arrival<=curTime and processArr[i].complete==False):
min = i
for i in range(len(processArr)):
if(processArr[i].arrival == processArr[min].arrival and processArr[i].pid < processArr[min].pid and processArr[i].complete==False):
min = i
assert min == 0
def test_processes_are_set_as_complete_corectly_after_sorting():
processArr = []
curTime = 5.00
proc1 = process(1,0,20,2)
proc2 = process(3,0,0,1)
proc3 = process(7,9,4,3)
proc4 = process(2,10,12,4)
processArr.append(proc1)
processArr.append(proc2)
processArr.append(proc3)
processArr.append(proc4)
min = 1
if(processArr[min].burst<=0):
processArr[min].complete = True
processArr[min].completionTime = curTime + 1
assert processArr[1].complete ==True and processArr[1].completionTime == 6.00
def test_processes_are_correctly_added_to_POE_list_when_a_switch_is_made_from_empty_list():
processArr = []
POE = []
curTime = 5.00
previousProc = 1
proc1 = process(1,0,20,2)
proc2 = process(3,0,0,1)
proc3 = process(7,9,4,3)
proc4 = process(2,10,12,4)
processArr.append(proc1)
processArr.append(proc2)
processArr.append(proc3)
processArr.append(proc4)
min = 3
if(previousProc!=processArr[min].pid):
previousProc = processArr[min].pid
POE.append(processArr[min].pid)
assert POE == [2]
def test_processes_are_correctly_added_to_POE_list_when_a_switch_is_made_from_populated_list():
processArr = []
POE = [1]
curTime = 5.00
previousProc = 1
proc1 = process(1,0,20,2)
proc2 = process(3,0,0,1)
proc3 = process(7,9,4,3)
proc4 = process(2,10,12,4)
processArr.append(proc1)
processArr.append(proc2)
processArr.append(proc3)
processArr.append(proc4)
min = 3
if(previousProc!=processArr[min].pid):
previousProc = processArr[min].pid
POE.append(processArr[min].pid)
assert POE == [1,2]
def test_that_process_wait_time_is_correctly_incremented_per_every_loop_if_process_has_not_been_finished():
processArr = []
proc1 = process(1,0,20,2)
proc2 = process(3,0,0,1)
proc3 = process(7,9,4,3)
proc4 = process(2,10,12,4)
processArr.append(proc1)
processArr.append(proc2)
processArr.append(proc3)
processArr.append(proc4)
processArr[0].waitingTime = 5
processArr[1].waitingTime = 15
processArr[1].complete = True
processArr[2].waitingTime = 25
processArr[3].waitingTime = 35
for i in range(len(processArr)):
if(processArr[i].complete==False):
processArr[i].waitingTime +=1
assert processArr[0].waitingTime == 6 and processArr[1].waitingTime == 15 and processArr[2].waitingTime == 26 and processArr[3].waitingTime == 36
def test_the_process_array_is_set_up_correctly_given_valid_text_input():
processArr=[]
lines = "1, 0, 20, 2\n3, 0, 50, 1\n7, 9, 4, 3\n2, 10, 12, 4"
processArr = setUpProcessArr(lines)
assert processArr[0].burst == 20 and processArr[1].pid == 3 and processArr[2].priority == 3 and processArr[3].arrival == 10
def test_average_turn_around_calculations():
PCT = [70,40,80,100]
PAT = [50,15,25,60]
PTT = []
temp = 0
temp,PTT = averageTurnaround(PCT,PAT)
assert temp == 35
def test_average_wait_calculations():
PTT = [20,40,80,120]
PBT = [10,20,40,80]
temp = averageWait(PTT,PBT)
assert temp ==27.5
def test_average_wait_integration_with_avg_turn_around():
ATT = 0
PCT =[70,40,80,100]
PAT =[50,15,25,60]
PTT=[]
PBT=[5,12,6,17]
ATT,PTT = averageTurnaround(PCT,PAT)
AWT = averageWait(PTT,PBT)
assert AWT == 25
def test_resluting_POE_array_with_integration_of_process_array_creation_followed_by_FCFS_sort():
avgTurnAroundTime = 0
avgWaitTime = 0
processArr = []
PAT = []
PCT = []
PTT = []
PBT = []
POE = []
lines = "1, 0, 20, 2\n3, 0, 50, 1\n7, 9, 4, 3\n2, 10, 12, 4"
processArr = setUpProcessArr(lines)
POE,PCT=FirstComeFirstServedSort(processArr)
assert POE == [1,3,7,2]
def test_resluting_PCT_array_with_integration_of_process_array_creation_followed_by_FCFS_sort():
avgTurnAroundTime = 0
avgWaitTime = 0
processArr = []
PAT = []
PCT = []
PTT = []
PBT = []
POE = []
lines = "1, 0, 20, 2\n3, 0, 50, 1\n7, 9, 4, 3\n2, 10, 12, 4"
processArr = setUpProcessArr(lines)
POE,PCT=FirstComeFirstServedSort(processArr)
assert PCT == [20.0,70.0,74.0,86.0]
def test_resluting_POE_array_with_integration_of_process_array_creation_followed_by_SJF_sort():
avgTurnAroundTime = 0
avgWaitTime = 0
processArr = []
PAT = []
PCT = []
PTT = []
PBT = []
POE = []
lines = "1, 0, 20, 2\n3, 0, 50, 1\n7, 9, 4, 3\n2, 10, 12, 4"
processArr = setUpProcessArr(lines)
POE,PCT=shortestJobNext(processArr)
assert POE == [1,7,1,2,3]
def test_resluting_PCT_array_with_integration_of_process_array_creation_followed_by_SJF_sort():
avgTurnAroundTime = 0
avgWaitTime = 0
processArr = []
PAT = []
PCT = []
PTT = []
PBT = []
POE = []
lines = "1, 0, 20, 2\n3, 0, 50, 1\n7, 9, 4, 3\n2, 10, 12, 4"
processArr = setUpProcessArr(lines)
POE,PCT=shortestJobNext(processArr)
assert PCT == [24.0,86.0,13.0,36.0]
def test_resluting_POE_array_with_integration_of_process_array_creation_followed_by_priorty_sort():
avgTurnAroundTime = 0
avgWaitTime = 0
processArr = []
PAT = []
PCT = []
PTT = []
PBT = []
POE = []
lines = "1, 0, 20, 2\n3, 0, 50, 1\n7, 9, 4, 3\n2, 10, 12, 4"
processArr = setUpProcessArr(lines)
POE,PCT=PrioritySort(processArr)
assert POE == [3,1,7,2]
def test_resluting_PCT_array_with_integration_of_process_array_creation_followed_by_priorty_sort():
avgTurnAroundTime = 0
avgWaitTime = 0
processArr = []
PAT = []
PCT = []
PTT = []
PBT = []
POE = []
lines = "1, 0, 20, 2\n3, 0, 50, 1\n7, 9, 4, 3\n2, 10, 12, 4"
processArr = setUpProcessArr(lines)
POE,PCT=PrioritySort(processArr)
assert PCT == [70.0,50.0,74.0,86.0]