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Added some tests for Shared State case study. (#262)
* Added some tests for Shared State case study. * Expanded upon tests by also validating that state is mirrored State is expected to be mirrored (or shared) between the Counter and Profile - the tests have been updated to verify this. * Modified tests to focus more on what is changing between steps Co-authored-by: Noah McCann <>
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105
Examples/CaseStudies/SwiftUICaseStudiesTests/01-GettingStarted-SharedStateTests.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| import Combine | ||
| import ComposableArchitecture | ||
| import XCTest | ||
|
|
||
| @testable import SwiftUICaseStudies | ||
|
|
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| class SharedStateTests: XCTestCase { | ||
| func testTabRestoredOnReset() { | ||
| let store = TestStore( | ||
| initialState: SharedState(), | ||
| reducer: sharedStateReducer, | ||
| environment: () | ||
| ) | ||
|
|
||
| store.assert( | ||
| .send(.selectTab(.profile)) { | ||
| $0.currentTab = .profile | ||
| $0.profile = .init(currentTab: .profile, count: 0, maxCount: 0, minCount: 0, numberOfCounts: 0) | ||
| }, | ||
| .send(.profile(.resetCounterButtonTapped)) { | ||
| $0.currentTab = .counter | ||
| $0.profile = .init(currentTab: .counter, count: 0, maxCount: 0, minCount: 0, numberOfCounts: 0) | ||
| }) | ||
| } | ||
|
|
||
| func testTabSelection() { | ||
| let store = TestStore( | ||
| initialState: SharedState(), | ||
| reducer: sharedStateReducer, | ||
| environment: () | ||
| ) | ||
|
|
||
| store.assert( | ||
| .send(.selectTab(.profile)) { | ||
| $0.currentTab = .profile | ||
| $0.profile = .init(currentTab: .profile, count: 0, maxCount: 0, minCount: 0, numberOfCounts: 0) | ||
| }, | ||
| .send(.selectTab(.counter)) { | ||
| $0.currentTab = .counter | ||
| $0.profile = .init(currentTab: .counter, count: 0, maxCount: 0, minCount: 0, numberOfCounts: 0) | ||
| }) | ||
| } | ||
|
|
||
| func testSharedCounts() { | ||
| let store = TestStore( | ||
| initialState: SharedState(), | ||
| reducer: sharedStateReducer, | ||
| environment: () | ||
| ) | ||
|
|
||
| store.assert( | ||
| .send(.counter(.incrementButtonTapped)) { | ||
| $0.counter.count = 1 | ||
| $0.counter.maxCount = 1 | ||
| $0.counter.numberOfCounts = 1 | ||
| }, | ||
| .send(.counter(.decrementButtonTapped)) { | ||
| $0.counter.count = 0 | ||
| $0.counter.numberOfCounts = 2 | ||
| }, | ||
| .send(.counter(.decrementButtonTapped)) { | ||
| $0.counter.count = -1 | ||
| $0.counter.minCount = -1 | ||
| $0.counter.numberOfCounts = 3 | ||
| }) | ||
| } | ||
|
|
||
| func testIsPrimeWhenPrime() { | ||
| let store = TestStore( | ||
| initialState: SharedState.CounterState(alert: nil, count: 3, maxCount: 0, minCount: 0, numberOfCounts: 0), | ||
| reducer: sharedStateCounterReducer, | ||
| environment: () | ||
| ) | ||
|
|
||
| store.assert( | ||
| .send(.isPrimeButtonTapped) { | ||
| $0.alert = .init( | ||
| title: "👍 The number \($0.count) is prime!" | ||
| ) | ||
| }, | ||
| .send(.alertDismissed) { | ||
| $0.alert = nil | ||
| } | ||
| ) | ||
| } | ||
|
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||
| func testIsPrimeWhenNotPrime() { | ||
| let store = TestStore( | ||
| initialState: SharedState.CounterState(alert: nil, count: 6, maxCount: 0, minCount: 0, numberOfCounts: 0), | ||
| reducer: sharedStateCounterReducer, | ||
| environment: () | ||
| ) | ||
|
|
||
| store.assert( | ||
| .send(.isPrimeButtonTapped) { | ||
| $0.alert = .init( | ||
| title: "👎 The number \($0.count) is not prime :(" | ||
| ) | ||
| }, | ||
| .send(.alertDismissed) { | ||
| $0.alert = nil | ||
| } | ||
| ) | ||
| } | ||
| } |