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Create RushingForwardTargetNotchPolicyTests
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| @@ -0,0 +1,117 @@ | ||
| // | ||
| // RushingForwardTargetNotchPolicyTests.swift | ||
| // OverlayContainer | ||
| // | ||
| // Created by Gaétan Zanella on 20/04/2021. | ||
| // Copyright © 2021 Gaétan Zanella. All rights reserved. | ||
| // | ||
|
|
||
| import Quick | ||
| import Nimble | ||
| @testable import OverlayContainer | ||
|
|
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| private struct TargetContext: OverlayContainerContextTargetNotchPolicy { | ||
|
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| var heightByIndex: [Int: CGFloat] = [:] | ||
| var isDragging = false | ||
| var velocity: CGPoint = .zero | ||
| var overlayTranslationHeight: CGFloat = 0.0 | ||
| var reachableIndexes: [Int] = [] | ||
| var notchIndexes: Range<Int> { | ||
| 0..<heightByIndex.count | ||
| } | ||
|
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| let overlayViewController = UIViewController() | ||
|
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| func height(forNotchAt index: Int) -> CGFloat { | ||
| heightByIndex[index] ?? 0.0 | ||
| } | ||
| } | ||
|
|
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| class RushingForwardTargetNotchPolicyTests: QuickSpec { | ||
|
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| override func spec() { | ||
|
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| var context: TargetContext! | ||
| var policy: RushingForwardTargetNotchPolicy! | ||
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| beforeEach { | ||
| context = TargetContext() | ||
| policy = RushingForwardTargetNotchPolicy() | ||
| } | ||
|
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| it("should target expected index when stationnary") { | ||
| context.heightByIndex = [ | ||
| 0: 100.0, | ||
| 1: 200.0, | ||
| 2: 300.0, | ||
| ] | ||
| context.reachableIndexes = Array(context.notchIndexes) | ||
| context.velocity = .zero | ||
| let expectedIndexByHeight: [CGFloat: Int] = [ | ||
| 0.0: 0, | ||
| 50.0: 0, | ||
| 100.0: 0, | ||
| 149.0: 0, | ||
| 151.0: 1, | ||
| 200.0: 1, | ||
| 249.0: 1, | ||
| 251.0: 2, | ||
| 300.0: 2, | ||
| 310.0: 2, | ||
| 100000.0: 2, | ||
| ] | ||
| expectedIndexByHeight.forEach { height, index in | ||
| context.overlayTranslationHeight = height | ||
| let target = policy.targetNotchIndex(using: context) | ||
| XCTAssertEqual(target, index, "\(target) for height:\(height) does notch match \(index)") | ||
| } | ||
| } | ||
|
|
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| it("should bypass indexes at high velocity") { | ||
| context.heightByIndex = [ | ||
| 0: 100.0, | ||
| 1: 200.0, | ||
| 2: 300.0, | ||
| ] | ||
| context.reachableIndexes = Array(context.notchIndexes) | ||
| let expectedIndexByVelocity: [(CGPoint, CGFloat, Int)] = [ | ||
| (CGPoint(x: 0.0, y: -100.0), 125, 0), | ||
| (CGPoint(x: 0.0, y: -200.0), 125, 0), | ||
| (CGPoint(x: 0.0, y: -500.0), 125, 1), | ||
| (CGPoint(x: 0.0, y: 100.0), 251, 2), | ||
| (CGPoint(x: 0.0, y: 200.0), 251, 2), | ||
| (CGPoint(x: 0.0, y: 500.0), 251, 1), | ||
| ] | ||
| expectedIndexByVelocity.forEach { velocity, height, index in | ||
| context.velocity = velocity | ||
| context.overlayTranslationHeight = height | ||
| policy.minimumDuration = 0.0 | ||
| policy.minimumVelocity = 400.0 | ||
| let target = policy.targetNotchIndex(using: context) | ||
| XCTAssertEqual(target, index, "\(target) for velocity:(\(velocity.x), \(velocity.y)) does notch match \(index)") | ||
| } | ||
| } | ||
|
|
||
| it("should not target disabled indexes") { | ||
| context.heightByIndex = [ | ||
| 0: 100.0, | ||
| 1: 200.0, | ||
| 2: 300.0, | ||
| ] | ||
| context.reachableIndexes = [1, 2] | ||
| context.velocity = .zero | ||
| let expectedIndexByHeight: [CGFloat: Int] = [ | ||
| 0.0: 1, | ||
| 50.0: 1, | ||
| 100.0: 1, | ||
| 149.0: 1, | ||
| ] | ||
| expectedIndexByHeight.forEach { height, index in | ||
| context.overlayTranslationHeight = height | ||
| let target = policy.targetNotchIndex(using: context) | ||
| XCTAssertEqual(target, index, "\(target) for height:\(height) does notch match \(index)") | ||
| } | ||
| } | ||
| } | ||
| } |