Unit tests

LoopFollow.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 54;
+	objectVersion = 70;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -67,8 +67,6 @@
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-		DD4AFB422DB5655700BB593F /* BuildExpireConditionTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD4AFB412DB5652400BB593F /* BuildExpireConditionTests.swift */; };
-		DD4AFB432DB5655D00BB593F /* AlwaysTrueCondition.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD4AFB402DB5651500BB593F /* AlwaysTrueCondition.swift */; };
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 /* Begin PBXContainerItemProxy section */
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 			isa = PBXContainerItemProxy;
 			containerPortal = FC97880C2485969B00A7906C /* Project object */;
 			proxyType = 1;
@@ -371,7 +369,6 @@
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 		DD02475B2DB2E8FB00FCADF6 /* BuildExpireCondition.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BuildExpireCondition.swift; sourceTree = "<group>"; };
-		DD0247612DB2EB9A00FCADF6 /* LoopFollowTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = LoopFollowTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
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 		DD0650EC2DCE9371004D3B41 /* HighBgAlarmEditor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HighBgAlarmEditor.swift; sourceTree = "<group>"; };
@@ -428,8 +425,6 @@
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 		DD4AFB3C2DB55D2900BB593F /* AlarmConfiguration.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AlarmConfiguration.swift; sourceTree = "<group>"; };
-		DD4AFB402DB5651500BB593F /* AlwaysTrueCondition.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AlwaysTrueCondition.swift; sourceTree = "<group>"; };
-		DD4AFB412DB5652400BB593F /* BuildExpireConditionTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BuildExpireConditionTests.swift; sourceTree = "<group>"; };
 		DD4AFB482DB576C200BB593F /* AlarmSettingsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AlarmSettingsView.swift; sourceTree = "<group>"; };
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@@ -530,6 +525,8 @@
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 		DDCC3A572DDC9655006F1C10 /* MissedBolusAlarmEditor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MissedBolusAlarmEditor.swift; sourceTree = "<group>"; };
 		DDCC3A592DDC988F006F1C10 /* CarbSample.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CarbSample.swift; sourceTree = "<group>"; };
+		DDCC3ABF2DDE10B0006F1C10 /* Testing.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Testing.framework; path = Platforms/iPhoneOS.platform/Developer/Library/Frameworks/Testing.framework; sourceTree = DEVELOPER_DIR; };
+		DDCC3AD62DDE1790006F1C10 /* Tests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = Tests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		DDCF979324C0D380002C9752 /* UIViewExtension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIViewExtension.swift; sourceTree = "<group>"; };
 		DDCF979524C1443C002C9752 /* GeneralSettingsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GeneralSettingsViewController.swift; sourceTree = "<group>"; };
 		DDCF979724C1489C002C9752 /* GraphSettingsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GraphSettingsViewController.swift; sourceTree = "<group>"; };
@@ -723,8 +720,12 @@
 		FCFEECA1248857A600402A7F /* SettingsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsViewController.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
+/* Begin PBXFileSystemSynchronizedRootGroup section */
+		DDCC3AD72DDE1790006F1C10 /* Tests */ = {isa = PBXFileSystemSynchronizedRootGroup; explicitFileTypes = {}; explicitFolders = (); path = Tests; sourceTree = "<group>"; };
+/* End PBXFileSystemSynchronizedRootGroup section */
+
 /* Begin PBXFrameworksBuildPhase section */
-		DD02475E2DB2EB9A00FCADF6 /* Frameworks */ = {
+		DDCC3AD32DDE1790006F1C10 /* Frameworks */ = {
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -747,6 +748,7 @@
 		6A5880E0B811AF443B05AB02 /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				DDCC3ABF2DDE10B0006F1C10 /* Testing.framework */,
 				FCFEEC9D2486E68E00402A7F /* WebKit.framework */,
 				A7D55B42A22051DAD69E89D0 /* Pods_LoopFollow.framework */,
 				FCE537C2249AAB2600F80BF8 /* NotificationCenter.framework */,
@@ -792,15 +794,6 @@
 			path = AlarmCondition;
 			sourceTree = "<group>";
 		};
-		DD02476E2DB4321000FCADF6 /* LoopFollowTests */ = {
-			isa = PBXGroup;
-			children = (
-				DD4AFB412DB5652400BB593F /* BuildExpireConditionTests.swift */,
-				DD4AFB402DB5651500BB593F /* AlwaysTrueCondition.swift */,
-			);
-			path = LoopFollowTests;
-			sourceTree = "<group>";
-		};
 		DD0C0C692C4852A100DBADDF /* Metric */ = {
 			isa = PBXGroup;
 			children = (
@@ -1393,7 +1386,7 @@
 				FC3AE7B3249E8E0E00AAE1E0 /* LoopFollow.xcdatamodeld */,
 				FC5A5C3C2497B229009C550E /* Config.xcconfig */,
 				FC8DEEE32485D1680075863F /* LoopFollow */,
-				DD02476E2DB4321000FCADF6 /* LoopFollowTests */,
+				DDCC3AD72DDE1790006F1C10 /* Tests */,
 				FC9788152485969B00A7906C /* Products */,
 				8E32230C453C93FDCE59C2B9 /* Pods */,
 				6A5880E0B811AF443B05AB02 /* Frameworks */,
@@ -1404,7 +1397,7 @@
 			isa = PBXGroup;
 			children = (
 				FC9788142485969B00A7906C /* Loop Follow.app */,
-				DD0247612DB2EB9A00FCADF6 /* LoopFollowTests.xctest */,
+				DDCC3AD62DDE1790006F1C10 /* Tests.xctest */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -1467,24 +1460,27 @@
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
-		DD0247602DB2EB9A00FCADF6 /* LoopFollowTests */ = {
+		DDCC3AD52DDE1790006F1C10 /* Tests */ = {
 			isa = PBXNativeTarget;
-			buildConfigurationList = DD0247672DB2EB9A00FCADF6 /* Build configuration list for PBXNativeTarget "LoopFollowTests" */;
+			buildConfigurationList = DDCC3ADC2DDE1790006F1C10 /* Build configuration list for PBXNativeTarget "Tests" */;
 			buildPhases = (
-				DD02475D2DB2EB9A00FCADF6 /* Sources */,
-				DD02475E2DB2EB9A00FCADF6 /* Frameworks */,
-				DD02475F2DB2EB9A00FCADF6 /* Resources */,
+				DDCC3AD22DDE1790006F1C10 /* Sources */,
+				DDCC3AD32DDE1790006F1C10 /* Frameworks */,
+				DDCC3AD42DDE1790006F1C10 /* Resources */,
 			);
 			buildRules = (
 			);
 			dependencies = (
-				DD0247662DB2EB9A00FCADF6 /* PBXTargetDependency */,
+				DDCC3ADB2DDE1790006F1C10 /* PBXTargetDependency */,
+			);
+			fileSystemSynchronizedGroups = (
+				DDCC3AD72DDE1790006F1C10 /* Tests */,
 			);
-			name = LoopFollowTests;
+			name = Tests;
 			packageProductDependencies = (
 			);
-			productName = LoopFollowTests;
-			productReference = DD0247612DB2EB9A00FCADF6 /* LoopFollowTests.xctest */;
+			productName = Tests;
+			productReference = DDCC3AD62DDE1790006F1C10 /* Tests.xctest */;
 			productType = "com.apple.product-type.bundle.unit-test";
 		};
 		FC9788132485969B00A7906C /* LoopFollow */ = {
@@ -1521,7 +1517,7 @@
 				LastUpgradeCheck = 1140;
 				ORGANIZATIONNAME = "Jon Fawcett";
 				TargetAttributes = {
-					DD0247602DB2EB9A00FCADF6 = {
+					DDCC3AD52DDE1790006F1C10 = {
 						CreatedOnToolsVersion = 16.3;
 						TestTargetID = FC9788132485969B00A7906C;
 					};
@@ -1547,13 +1543,13 @@
 			projectRoot = "";
 			targets = (
 				FC9788132485969B00A7906C /* LoopFollow */,
-				DD0247602DB2EB9A00FCADF6 /* LoopFollowTests */,
+				DDCC3AD52DDE1790006F1C10 /* Tests */,
 			);
 		};
 /* End PBXProject section */
 
 /* Begin PBXResourcesBuildPhase section */
-		DD02475F2DB2EB9A00FCADF6 /* Resources */ = {
+		DDCC3AD42DDE1790006F1C10 /* Resources */ = {
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -1776,12 +1772,10 @@
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
-		DD02475D2DB2EB9A00FCADF6 /* Sources */ = {
+		DDCC3AD22DDE1790006F1C10 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				DD4AFB432DB5655D00BB593F /* AlwaysTrueCondition.swift in Sources */,
-				DD4AFB422DB5655700BB593F /* BuildExpireConditionTests.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -2014,10 +2008,10 @@
 /* End PBXSourcesBuildPhase section */
 
 /* Begin PBXTargetDependency section */
-		DD0247662DB2EB9A00FCADF6 /* PBXTargetDependency */ = {
+		DDCC3ADB2DDE1790006F1C10 /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
 			target = FC9788132485969B00A7906C /* LoopFollow */;
-			targetProxy = DD0247652DB2EB9A00FCADF6 /* PBXContainerItemProxy */;
+			targetProxy = DDCC3ADA2DDE1790006F1C10 /* PBXContainerItemProxy */;
 		};
 /* End PBXTargetDependency section */
 
@@ -2041,7 +2035,7 @@
 /* End PBXVariantGroup section */
 
 /* Begin XCBuildConfiguration section */
-		DD0247682DB2EB9A00FCADF6 /* Debug */ = {
+		DDCC3ADD2DDE1790006F1C10 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
@@ -2057,8 +2051,8 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 18.4;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = "com.--unique-id-.LoopFollowTests--app-suffix-.LoopFollowTests";
-				PRODUCT_MODULE_NAME = LoopFollowTests;
+				PRODUCT_BUNDLE_IDENTIFIER = "com.--unique-id-.LoopFollowTests--app-suffix-.Tests";
+				PRODUCT_MODULE_NAME = Tests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG $(inherited)";
 				SWIFT_EMIT_LOC_STRINGS = NO;
@@ -2068,7 +2062,7 @@
 			};
 			name = Debug;
 		};
-		DD0247692DB2EB9A00FCADF6 /* Release */ = {
+		DDCC3ADE2DDE1790006F1C10 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
@@ -2084,8 +2078,8 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 18.4;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = "com.--unique-id-.LoopFollowTests--app-suffix-.LoopFollowTests";
-				PRODUCT_MODULE_NAME = LoopFollowTests;
+				PRODUCT_BUNDLE_IDENTIFIER = "com.--unique-id-.LoopFollowTests--app-suffix-.Tests";
+				PRODUCT_MODULE_NAME = Tests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = NO;
 				SWIFT_VERSION = 5.0;
@@ -2263,11 +2257,11 @@
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
-		DD0247672DB2EB9A00FCADF6 /* Build configuration list for PBXNativeTarget "LoopFollowTests" */ = {
+		DDCC3ADC2DDE1790006F1C10 /* Build configuration list for PBXNativeTarget "Tests" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				DD0247682DB2EB9A00FCADF6 /* Debug */,
-				DD0247692DB2EB9A00FCADF6 /* Release */,
+				DDCC3ADD2DDE1790006F1C10 /* Debug */,
+				DDCC3ADE2DDE1790006F1C10 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;

LoopFollow.xcworkspace/xcshareddata/xcschemes/LoopFollow.xcscheme

@@ -34,12 +34,23 @@
             parallelizable = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "DD0247602DB2EB9A00FCADF6"
+               BlueprintIdentifier = "DDCC3AC62DDE1531006F1C10"
                BuildableName = "LoopFollowTests.xctest"
                BlueprintName = "LoopFollowTests"
                ReferencedContainer = "container:LoopFollow.xcodeproj">
             </BuildableReference>
          </TestableReference>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "DDCC3AD52DDE1790006F1C10"
+               BuildableName = "Tests.xctest"
+               BlueprintName = "Tests"
+               ReferencedContainer = "container:LoopFollow.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
    </TestAction>
    <LaunchAction

LoopFollowTests/AlwaysTrueCondition.swift

@@ -1,6 +0,0 @@
-// LoopFollow
-// AlwaysTrueCondition.swift
-// Created by Jonas Björkert on 2025-04-26.
-
-@testable import LoopFollow
-import XCTest

LoopFollowTests/BuildExpireConditionTests.swift

@@ -1,47 +0,0 @@
-// LoopFollow
-// BuildExpireConditionTests.swift
-// Created by Jonas Björkert on 2025-04-26.
-
-@testable import LoopFollow
-import XCTest
-
-final class BuildExpireConditionTests: XCTestCase {
-    let cond = BuildExpireCondition()
-    var alarm: Alarm!
-
-    override func setUp() {
-        super.setUp()
-        alarm = Alarm(type: .buildExpire)
-        alarm.threshold = 7 // 7 days before expiration
-    }
-
-    func testEvaluateWhenWithinThreshold() {
-        let now = Date()
-        // Build expires in 6 days → within threshold (7 days)
-        let expiryDate = Calendar.current.date(byAdding: .day, value: 6, to: now)!
-        let data = AlarmData(expireDate: expiryDate)
-        XCTAssertTrue(cond.evaluate(alarm: alarm, data: data))
-    }
-
-    func testEvaluateWhenOutsideThreshold() {
-        let now = Date()
-        // Build expires in 10 days → outside threshold (7 days)
-        let expiryDate = Calendar.current.date(byAdding: .day, value: 10, to: now)!
-        let data = AlarmData(expireDate: expiryDate)
-        XCTAssertFalse(cond.evaluate(alarm: alarm, data: data))
-    }
-
-    func testEvaluateWhenNoExpireDate() {
-        let data = AlarmData(expireDate: nil)
-        XCTAssertFalse(cond.evaluate(alarm: alarm, data: data))
-    }
-
-    func testEvaluateWhenNoThreshold() {
-        // Clear threshold
-        alarm.threshold = nil
-        let now = Date()
-        let expiryDate = Calendar.current.date(byAdding: .day, value: 5, to: now)!
-        let data = AlarmData(expireDate: expiryDate)
-        XCTAssertFalse(cond.evaluate(alarm: alarm, data: data))
-    }
-}

Tests/AlarmConditions/BatteryConditionTests.swift

@@ -0,0 +1,38 @@
+// LoopFollow
+// BatteryConditionTests.swift
+// Created by Jonas Björkert on 2025-05-21.
+
+@testable import LoopFollow
+import Testing
+
+struct BatteryConditionTests {
+    let cond = BatteryCondition()
+
+    @Test("#fires when battery ≤ threshold")
+    func firesBelowOrEqual() {
+        let alarm = Alarm.battery(threshold: 20)
+        let data = AlarmData.withBattery(20)
+        #expect(cond.evaluate(alarm: alarm, data: data, now: .init()))
+    }
+
+    @Test("#does NOT fire when battery > threshold")
+    func ignoresAbove() {
+        let alarm = Alarm.battery(threshold: 20)
+        let data = AlarmData.withBattery(55)
+        #expect(!cond.evaluate(alarm: alarm, data: data, now: .init()))
+    }
+
+    @Test("#does NOT fire if no battery reading")
+    func ignoresMissingReading() {
+        let alarm = Alarm.battery(threshold: 20)
+        let data = AlarmData.withBattery(nil)
+        #expect(!cond.evaluate(alarm: alarm, data: data, now: .init()))
+    }
+
+    @Test("#does NOT fire if threshold is nil / zero")
+    func ignoresBadConfig() {
+        let alarm = Alarm.battery(threshold: nil)
+        let data = AlarmData.withBattery(5)
+        #expect(!cond.evaluate(alarm: alarm, data: data, now: .init()))
+    }
+}

Tests/AlarmConditions/Helpers.swift

@@ -0,0 +1,48 @@
+// LoopFollow
+// Helpers.swift
+// Created by Jonas Björkert on 2025-05-21.
+
+// Tests/AlarmConditions/Helpers.swift
+import Foundation
+@testable import LoopFollow
+import Testing
+
+@testable import LoopFollow
+import Testing
+
+// MARK: - Alarm helpers
+
+extension Alarm {
+    static func battery(threshold: Double?) -> Self {
+        var alarm = Alarm(type: .battery)
+        alarm.threshold = threshold
+        return alarm
+    }
+}
+
+// MARK: - AlarmData helpers
+
+extension AlarmData {
+    static func withBattery(_ level: Double?) -> Self {
+        AlarmData(
+            bgReadings: [],
+            predictionData: [],
+            expireDate: nil,
+            lastLoopTime: nil,
+            latestOverrideStart: nil,
+            latestOverrideEnd: nil,
+            latestTempTargetStart: nil,
+            latestTempTargetEnd: nil,
+            recBolus: nil,
+            COB: nil,
+            sageInsertTime: nil,
+            pumpInsertTime: nil,
+            latestPumpVolume: nil,
+            IOB: nil,
+            recentBoluses: [],
+            latestBattery: level,
+            batteryHistory: [],
+            recentCarbs: []
+        )
+    }
+}

Tests/Tests.swift

@@ -0,0 +1,11 @@
+// LoopFollow
+// Tests.swift
+// Created by Jonas Björkert on 2025-05-21.
+
+import Testing
+
+struct Tests {
+    @Test func example() async throws {
+        // Write your test here and use APIs like `#expect(...)` to check expected conditions.
+    }
+}