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Additional test coverage around suspend threshold behavior #603

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Oct 7, 2017
Merged

Additional test coverage around suspend threshold behavior #603

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46 changes: 46 additions & 0 deletions DoseMathTests/DoseMathTests.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -573,6 +573,52 @@ class RecommendBolusTests: XCTestCase {
}
}

func testStartBelowSuspendThresholdEndHigh() {
// 60 - 200 mg/dL
let glucose = loadGlucoseValueFixture("recommend_temp_basal_start_low_end_high")

let dose = glucose.recommendedBolus(
to: glucoseTargetRange,
at: glucose.first!.startDate,
suspendThreshold: HKQuantity(unit: .milligramsPerDeciliter(), doubleValue: 70),
sensitivity: insulinSensitivitySchedule,
model: insulinModel,
pendingInsulin: 0,
maxBolus: maxBolus
)

XCTAssertEqual(0, dose.amount)

if case BolusRecommendationNotice.glucoseBelowSuspendThreshold(let glucose) = dose.notice! {
XCTAssertEqual(glucose.quantity.doubleValue(for: .milligramsPerDeciliter()), 60)
} else {
XCTFail("Expected currentGlucoseBelowTarget, but got \(dose.notice!)")
}
}

func testStartLowNoSuspendThresholdEndHigh() {
// 60 - 200 mg/dL
let glucose = loadGlucoseValueFixture("recommend_temp_basal_start_low_end_high")

let dose = glucose.recommendedBolus(
to: glucoseTargetRange,
at: glucose.first!.startDate,
suspendThreshold: nil, // Expected to default to 90
sensitivity: insulinSensitivitySchedule,
model: insulinModel,
pendingInsulin: 0,
maxBolus: maxBolus
)

XCTAssertEqual(0, dose.amount)

if case BolusRecommendationNotice.glucoseBelowSuspendThreshold(let glucose) = dose.notice! {
XCTAssertEqual(glucose.quantity.doubleValue(for: .milligramsPerDeciliter()), 60)
} else {
XCTFail("Expected currentGlucoseBelowTarget, but got \(dose.notice!)")
}
}

func testDroppingBelowRangeThenRising() {
let glucose = loadGlucoseValueFixture("recommend_temp_basal_dropping_then_rising")

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