def testCalcSweepScoreWindowScoreInteraction(self):
"""Scores inside a window should be positive; all others should be negative."""
numRows = 100
fakeAnomalyScores = [1 for _ in range(numRows)]
fakeTimestamps = [
i for i in range(numRows)
] # We'll use numbers, even though real data uses dates
fakeName = "TestDataSet"
windowA = (30, 39)
windowB = (75, 95)
windowLimits = [windowA, windowB]
expectedInWindowCount = (windowA[1] - windowA[0] +
1) + (windowB[1] - windowB[0] + 1)
# Standard profile
costMatrix = {
"tpWeight": 1.0,
"fnWeight": 1.0,
"fpWeight": 0.11,
}
probationPercent = 0.1
o = Sweeper(probationPercent=probationPercent, costMatrix=costMatrix)
scoredAnomalies = o.calcSweepScore(fakeTimestamps, fakeAnomalyScores,
windowLimits, fakeName)
# Check that correct number of AnomalyPoints returned
assert len(scoredAnomalies) == numRows
assert all(isinstance(x, AnomalyPoint) for x in scoredAnomalies)
# Expected number of points marked 'probationary'
probationary = [
x for x in scoredAnomalies if x.windowName == "probationary"
]
assert len(probationary) == o._getProbationaryLength(numRows)
# Expected number of points marked 'in window'
inWindow = [
x for x in scoredAnomalies
if x.windowName not in ("probationary", None)
]
assert len(inWindow) == expectedInWindowCount
# Points in window have positive score; others have negative score
for point in scoredAnomalies:
if point.windowName not in ("probationary", None):
assert point.sweepScore > 0
else:
assert point.sweepScore < 0
def testCalcSweepScoreWindowScoreInteraction(self):
"""Scores inside a window should be positive; all others should be negative."""
numRows = 100
fakeAnomalyScores = [1 for _ in range(numRows)]
fakeTimestamps = [i for i in range(numRows)] # We'll use numbers, even though real data uses dates
fakeName = "TestDataSet"
windowA = (30, 39)
windowB = (75, 95)
windowLimits = [windowA, windowB]
expectedInWindowCount = (windowA[1] - windowA[0] + 1) + (windowB[1] - windowB[0] + 1)
# Standard profile
costMatrix = {
"tpWeight": 1.0,
"fnWeight": 1.0,
"fpWeight": 0.11,
}
probationPercent = 0.1
o = Sweeper(probationPercent=probationPercent, costMatrix=costMatrix)
scoredAnomalies = o.calcSweepScore(fakeTimestamps, fakeAnomalyScores, windowLimits, fakeName)
# Check that correct number of AnomalyPoints returned
assert len(scoredAnomalies) == numRows
assert all(isinstance(x, AnomalyPoint) for x in scoredAnomalies)
# Expected number of points marked 'probationary'
probationary = [x for x in scoredAnomalies if x.windowName == "probationary"]
assert len(probationary) == o._getProbationaryLength(numRows)
# Expected number of points marked 'in window'
inWindow = [x for x in scoredAnomalies if x.windowName not in ("probationary", None)]
assert len(inWindow) == expectedInWindowCount
# Points in window have positive score; others have negative score
for point in scoredAnomalies:
if point.windowName not in ("probationary", None):
assert point.sweepScore > 0
else:
assert point.sweepScore < 0
def testGetProbationaryLength(self, numRows, probationaryPercent, expectedLength): o = Sweeper(probationPercent=probationaryPercent) actualLength = o._getProbationaryLength(numRows) assert actualLength == expectedLength
def testGetProbationaryLength(self, numRows, probationaryPercent,
expectedLength):
o = Sweeper(probationPercent=probationaryPercent)
actualLength = o._getProbationaryLength(numRows)
assert actualLength == expectedLength
