Store creation M1: unit tests for coordinators

WooCommerce/Classes/Authentication/Epilogue/StorePickerCoordinator.swift

@@ -7,7 +7,7 @@ import Yosemite
 ///
 final class StorePickerCoordinator: Coordinator {
 
-    unowned var navigationController: UINavigationController
+    unowned private(set) var navigationController: UINavigationController
 
     /// Determines how the store picker should initialized
     ///

WooCommerce/Classes/Authentication/Store Creation/LoggedOutStoreCreationCoordinator.swift

@@ -10,8 +10,7 @@ final class LoggedOutStoreCreationCoordinator: Coordinator {
         case loginEmailError
     }
 
-    /// Mutable to conform to `Coordinator` protocol.
-    var navigationController: UINavigationController
+    let navigationController: UINavigationController
 
     private var storePickerCoordinator: StorePickerCoordinator?
 

WooCommerce/Classes/Authentication/Store Creation/StoreCreationCoordinator.swift

@@ -13,7 +13,7 @@ final class StoreCreationCoordinator: Coordinator {
         case storePicker
     }
 
-    var navigationController: UINavigationController
+    let navigationController: UINavigationController
 
     @Published private var possibleSiteURLsFromStoreCreation: Set<String> = []
     private var possibleSiteURLsFromStoreCreationSubscription: AnyCancellable?

WooCommerce/Classes/Tools/Coordinator.swift

@@ -5,7 +5,7 @@ import UIKit
 /// See: http://khanlou.com/2015/01/the-coordinator/
 ///
 protocol Coordinator {
-    var navigationController: UINavigationController { get set }
+    var navigationController: UINavigationController { get }
 
     func start()
 }

WooCommerce/Classes/ViewRelated/Hub Menu/HubMenuCoordinator.swift

@@ -10,7 +10,7 @@ import protocol Yosemite.StoresManager
 /// Coordinator for the HubMenu tab.
 ///
 final class HubMenuCoordinator: Coordinator {
-    var navigationController: UINavigationController
+    let navigationController: UINavigationController
     var hubMenuController: HubMenuViewController?
 
     private let pushNotificationsManager: PushNotesManager

WooCommerce/Classes/ViewRelated/Orders/Order Creation/FlowCoordinator/AddOrderCoordinator.swift

@@ -7,7 +7,7 @@ import WordPressUI
 /// Manages the different navigation flows that start from the Orders main tab
 ///
 final class AddOrderCoordinator: Coordinator {
-    var navigationController: UINavigationController
+    let navigationController: UINavigationController
 
     private let siteID: Int64
     private let sourceBarButtonItem: UIBarButtonItem?

WooCommerce/Classes/ViewRelated/Products/Add Product/AddProductCoordinator.swift

@@ -11,7 +11,7 @@ import class Networking.ProductsRemote
 /// coordinator.start()
 ///
 final class AddProductCoordinator: Coordinator {
-    var navigationController: UINavigationController
+    let navigationController: UINavigationController
 
     private let siteID: Int64
     private let sourceBarButtonItem: UIBarButtonItem?

WooCommerce/Classes/ViewRelated/Products/SKU Scanner/ProductSKUBarcodeScannerCoordinator.swift

@@ -3,7 +3,7 @@ import UIKit
 
 /// Coordinates navigation for product SKU barcode scanner based on camera permission.
 final class ProductSKUBarcodeScannerCoordinator: Coordinator {
-    var navigationController: UINavigationController
+    let navigationController: UINavigationController
     private let permissionChecker: CaptureDevicePermissionChecker
     private let onSKUBarcodeScanned: (_ barcode: String) -> Void
 

WooCommerce/Classes/ViewRelated/Reviews/ReviewsCoordinator.swift

@@ -10,7 +10,7 @@ import protocol Yosemite.StoresManager
 /// Coordinator for the Reviews tab.
 ///
 final class ReviewsCoordinator: Coordinator {
-    var navigationController: UINavigationController
+    let navigationController: UINavigationController
 
     private let pushNotificationsManager: PushNotesManager
     private let storesManager: StoresManager

WooCommerce/WooCommerce.xcodeproj/project.pbxproj

@@ -46,6 +46,8 @@
 		020BE77523B4A7EC007FE54C /* AztecSourceCodeFormatBarCommandTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020BE77423B4A7EC007FE54C /* AztecSourceCodeFormatBarCommandTests.swift */; };
 		020BE77723B4A9D9007FE54C /* AztecLinkFormatBarCommandTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020BE77623B4A9D9007FE54C /* AztecLinkFormatBarCommandTests.swift */; };
 		020C908424C84652001E2BEB /* ProductListMultiSelectorSearchUICommandTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020C908324C84652001E2BEB /* ProductListMultiSelectorSearchUICommandTests.swift */; };
+		020D0BFD2914E92800BB3DCE /* StorePickerCoordinatorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020D0BFC2914E92800BB3DCE /* StorePickerCoordinatorTests.swift */; };
+		020D0BFF2914F6BA00BB3DCE /* LoggedOutStoreCreationCoordinatorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020D0BFE2914F6BA00BB3DCE /* LoggedOutStoreCreationCoordinatorTests.swift */; };
 		020DD48A23229495005822B1 /* ProductsTabProductTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020DD48923229495005822B1 /* ProductsTabProductTableViewCell.swift */; };
 		020DD48D2322A617005822B1 /* ProductsTabProductViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020DD48C2322A617005822B1 /* ProductsTabProductViewModel.swift */; };
 		020DD48F232392C9005822B1 /* UIViewController+AppReview.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020DD48E232392C9005822B1 /* UIViewController+AppReview.swift */; };
@@ -229,6 +231,7 @@
 		0269576A23726304001BA0BF /* KeyboardFrameObserver.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0269576923726304001BA0BF /* KeyboardFrameObserver.swift */; };
 		0269576D23726401001BA0BF /* KeyboardFrameObserverTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0269576C23726401001BA0BF /* KeyboardFrameObserverTests.swift */; };
 		02695770237281A9001BA0BF /* AztecTextViewAttachmentHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0269576F237281A9001BA0BF /* AztecTextViewAttachmentHandler.swift */; };
+		0269A5E72913FD22003B20EB /* StoreCreationCoordinatorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0269A5E62913FD22003B20EB /* StoreCreationCoordinatorTests.swift */; };
 		0269A63C2581D26C007B49ED /* ShippingLabelPrintingStepListView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0269A63B2581D26C007B49ED /* ShippingLabelPrintingStepListView.swift */; };
 		026B3C57249A046E00F7823C /* TextFieldTextAlignment.swift in Sources */ = {isa = PBXBuildFile; fileRef = 026B3C56249A046E00F7823C /* TextFieldTextAlignment.swift */; };
 		026B80CF289A5E0B001960E4 /* LoginOnboardingSurveyView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 026B80CE289A5E0B001960E4 /* LoginOnboardingSurveyView.swift */; };
@@ -1998,6 +2001,8 @@
 		020BE77423B4A7EC007FE54C /* AztecSourceCodeFormatBarCommandTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AztecSourceCodeFormatBarCommandTests.swift; sourceTree = "<group>"; };
 		020BE77623B4A9D9007FE54C /* AztecLinkFormatBarCommandTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AztecLinkFormatBarCommandTests.swift; sourceTree = "<group>"; };
 		020C908324C84652001E2BEB /* ProductListMultiSelectorSearchUICommandTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProductListMultiSelectorSearchUICommandTests.swift; sourceTree = "<group>"; };
+		020D0BFC2914E92800BB3DCE /* StorePickerCoordinatorTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StorePickerCoordinatorTests.swift; sourceTree = "<group>"; };
+		020D0BFE2914F6BA00BB3DCE /* LoggedOutStoreCreationCoordinatorTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoggedOutStoreCreationCoordinatorTests.swift; sourceTree = "<group>"; };
 		020DD48923229495005822B1 /* ProductsTabProductTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProductsTabProductTableViewCell.swift; sourceTree = "<group>"; };
 		020DD48C2322A617005822B1 /* ProductsTabProductViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProductsTabProductViewModel.swift; sourceTree = "<group>"; };
 		020DD48E232392C9005822B1 /* UIViewController+AppReview.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIViewController+AppReview.swift"; sourceTree = "<group>"; };
@@ -2181,6 +2186,7 @@
 		0269576923726304001BA0BF /* KeyboardFrameObserver.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = KeyboardFrameObserver.swift; sourceTree = "<group>"; };
 		0269576C23726401001BA0BF /* KeyboardFrameObserverTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = KeyboardFrameObserverTests.swift; sourceTree = "<group>"; };
 		0269576F237281A9001BA0BF /* AztecTextViewAttachmentHandler.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AztecTextViewAttachmentHandler.swift; sourceTree = "<group>"; };
+		0269A5E62913FD22003B20EB /* StoreCreationCoordinatorTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StoreCreationCoordinatorTests.swift; sourceTree = "<group>"; };
 		0269A63B2581D26C007B49ED /* ShippingLabelPrintingStepListView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShippingLabelPrintingStepListView.swift; sourceTree = "<group>"; };
 		026B3C56249A046E00F7823C /* TextFieldTextAlignment.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TextFieldTextAlignment.swift; sourceTree = "<group>"; };
 		026B80CE289A5E0B001960E4 /* LoginOnboardingSurveyView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoginOnboardingSurveyView.swift; sourceTree = "<group>"; };
@@ -6153,6 +6159,9 @@
 				DE61979428A25842005E4362 /* StorePickerViewModelTests.swift */,
 				DE3404E928B4C1D000CF0D97 /* NonAtomicSiteViewModelTests.swift */,
 				DE50295228BF4A8A00551736 /* JetpackConnectionWebViewModelTests.swift */,
+				0269A5E62913FD22003B20EB /* StoreCreationCoordinatorTests.swift */,
+				020D0BFC2914E92800BB3DCE /* StorePickerCoordinatorTests.swift */,
+				020D0BFE2914F6BA00BB3DCE /* LoggedOutStoreCreationCoordinatorTests.swift */,
 			);
 			path = Authentication;
 			sourceTree = "<group>";
@@ -10737,6 +10746,7 @@
 				CC53FB402759042600C4CA4F /* ProductSelectorViewModelTests.swift in Sources */,
 				DE0A2EB1281BED38007A8015 /* ProductCategorySelectorViewModelTests.swift in Sources */,
 				03AA16602719B83D005CCB7B /* ReceiptActionCoordinatorTests.swift in Sources */,
+				020D0BFD2914E92800BB3DCE /* StorePickerCoordinatorTests.swift in Sources */,
 				CEEC9B6621E7C5200055EEF0 /* AppRatingManagerTests.swift in Sources */,
 				263EB409242C58EA00F3A15F /* ProductFormActionsFactoryTests.swift in Sources */,
 				02BA23C022EE9DAF009539E7 /* AsyncDictionaryTests.swift in Sources */,
@@ -10760,6 +10770,7 @@
 				DEC51AA0274F9922009F3DF4 /* JetpackInstallStepsViewModelTests.swift in Sources */,
 				E1068058285C787100668B46 /* BetaFeaturesTests.swift in Sources */,
 				26C6E8E426E2D87C00C7BB0F /* CountrySelectorViewModelTests.swift in Sources */,
+				0269A5E72913FD22003B20EB /* StoreCreationCoordinatorTests.swift in Sources */,
 				02CE4307276994920006EAEF /* ProductSKUBarcodeScannerCoordinatorTests.swift in Sources */,
 				0999877427D2819F00F82C65 /* BulkUpdateViewControllerTests.swift in Sources */,
 				3190D61D26D6E97B00EF364D /* CardPresentModalRetryableErrorTests.swift in Sources */,
@@ -11077,6 +11088,7 @@
 				579CDF01274D811D00E8903D /* StoreStatsUsageTracksEventEmitterTests.swift in Sources */,
 				262A2C2B2537A3330086C1BE /* MockRefunds.swift in Sources */,
 				027F240C258371150021DB06 /* RefundShippingLabelViewModelTests.swift in Sources */,
+				020D0BFF2914F6BA00BB3DCE /* LoggedOutStoreCreationCoordinatorTests.swift in Sources */,
 				D85136DD231E613900DD0539 /* ReviewsViewModelTests.swift in Sources */,
 				DEFD6E61264990FB00E51E0D /* SitePluginListViewModelTests.swift in Sources */,
 				02B2C831249C4C8D0040C83C /* TextFieldTextAlignmentTests.swift in Sources */,

WooCommerce/WooCommerceTests/Authentication/LoggedOutStoreCreationCoordinatorTests.swift

@@ -0,0 +1,36 @@
+import TestKit
+import XCTest
+@testable import WooCommerce
+
+final class LoggedOutStoreCreationCoordinatorTests: XCTestCase {
+    private var navigationController: UINavigationController!
+    private let window = UIWindow(frame: UIScreen.main.bounds)
+
+    override func setUp() {
+        super.setUp()
+
+        window.makeKeyAndVisible()
+        navigationController = .init()
+        window.rootViewController = navigationController
+    }
+
+    override func tearDown() {
+        navigationController = nil
+        window.resignKey()
+        window.rootViewController = nil
+
+        super.tearDown()
+    }
+
+    func test_start_shows_AccountCreationFormHostingController() throws {
+        // Given
+        let coordinator = LoggedOutStoreCreationCoordinator(source: .prologue, navigationController: navigationController)
+        XCTAssertNil(navigationController.topViewController)
+
+        // When
+        coordinator.start()
+
+        // Then
+        assertThat(navigationController.topViewController, isAnInstanceOf: AccountCreationFormHostingController.self)
+    }
+}

WooCommerce/WooCommerceTests/Authentication/StoreCreationCoordinatorTests.swift

@@ -0,0 +1,65 @@
+import TestKit
+import XCTest
+@testable import WooCommerce
+
+final class StoreCreationCoordinatorTests: XCTestCase {
+    private var navigationController: UINavigationController!
+    private let window = UIWindow(frame: UIScreen.main.bounds)
+
+    override func setUp() {
+        super.setUp()
+
+        window.makeKeyAndVisible()
+        navigationController = .init()
+        window.rootViewController = navigationController
+    }
+
+    override func tearDown() {
+        navigationController = nil
+        window.resignKey()
+        window.rootViewController = nil
+
+        super.tearDown()
+    }
+
+    // MARK: - Presentation in different states
+
+    func test_AuthenticatedWebViewController_is_presented_when_navigationController_is_presenting_another_view() throws {
+        // Given
+        let coordinator = StoreCreationCoordinator(source: .storePicker, navigationController: navigationController)
+        waitFor { promise in
+            self.navigationController.present(.init(), animated: false) {
+                promise(())
+            }
+        }
+        XCTAssertNotNil(navigationController.presentedViewController)
+
+        // When
+        coordinator.start()
+
+        // Then
+        waitUntil {
+            self.navigationController.presentedViewController is WooNavigationController
+        }
+        let storeCreationNavigationController = try XCTUnwrap(navigationController.presentedViewController as? UINavigationController)
+        assertThat(storeCreationNavigationController.topViewController, isAnInstanceOf: AuthenticatedWebViewController.self)
+    }
+
+    func test_AuthenticatedWebViewController_is_presented_when_navigationController_is_showing_another_view() throws {
+        // Given
+        navigationController.show(.init(), sender: nil)
+        let coordinator = StoreCreationCoordinator(source: .loggedOut(source: .loginEmailError), navigationController: navigationController)
+        XCTAssertNotNil(navigationController.topViewController)
+        XCTAssertNil(navigationController.presentedViewController)
+
+        // When
+        coordinator.start()
+
+        // Then
+        waitUntil {
+            self.navigationController.presentedViewController is WooNavigationController
+        }
+        let storeCreationNavigationController = try XCTUnwrap(navigationController.presentedViewController as? UINavigationController)
+        assertThat(storeCreationNavigationController.topViewController, isAnInstanceOf: AuthenticatedWebViewController.self)
+    }
+}

WooCommerce/WooCommerceTests/Authentication/StorePickerCoordinatorTests.swift

@@ -0,0 +1,105 @@
+import TestKit
+import WordPressAuthenticator
+import XCTest
+@testable import WooCommerce
+
+final class StorePickerCoordinatorTests: XCTestCase {
+    private var navigationController: UINavigationController!
+    private let window = UIWindow(frame: UIScreen.main.bounds)
+
+    override func setUp() {
+        super.setUp()
+
+        window.makeKeyAndVisible()
+        navigationController = .init()
+        window.rootViewController = navigationController
+
+        WordPressAuthenticator.initializeAuthenticator()
+    }
+
+    override func tearDown() {
+        navigationController = nil
+        window.resignKey()
+        window.rootViewController = nil
+
+        super.tearDown()
+    }
+
+    func test_storeCreationFromLogin_configuration_shows_storePicker_then_presents_storeCreation() throws {
+        // Given
+        let coordinator = StorePickerCoordinator(navigationController, config: .storeCreationFromLogin(source: .prologue))
+
+        // When
+        coordinator.start()
+
+        // Then
+        waitUntil {
+            self.navigationController.presentedViewController is WooNavigationController
+        }
+        // Store picker should be pushed to the navigation stack.
+        assertThat(navigationController.topViewController, isAnInstanceOf: StorePickerViewController.self)
+
+        let storeCreationNavigationController = try XCTUnwrap(navigationController.presentedViewController as? UINavigationController)
+        assertThat(storeCreationNavigationController.topViewController, isAnInstanceOf: AuthenticatedWebViewController.self)
+    }
+
+    func test_standard_configuration_presents_storePicker() throws {
+        // Given
+        let coordinator = StorePickerCoordinator(navigationController, config: .standard)
+
+        // When
+        coordinator.start()
+
+        // Then
+        waitUntil {
+            self.navigationController.presentedViewController is WooNavigationController
+        }
+        XCTAssertNil(navigationController.topViewController)
+
+        let storePickerNavigationController = try XCTUnwrap(navigationController.presentedViewController as? UINavigationController)
+        assertThat(storePickerNavigationController.topViewController, isAnInstanceOf: StorePickerViewController.self)
+    }
+
+    func test_switchingStores_configuration_presents_storePicker() throws {
+        // Given
+        let coordinator = StorePickerCoordinator(navigationController, config: .switchingStores)
+
+        // When
+        coordinator.start()
+
+        // Then
+        waitUntil {
+            self.navigationController.presentedViewController is WooNavigationController
+        }
+        XCTAssertNil(navigationController.topViewController)
+
+        let storePickerNavigationController = try XCTUnwrap(navigationController.presentedViewController as? UINavigationController)
+        assertThat(storePickerNavigationController.topViewController, isAnInstanceOf: StorePickerViewController.self)
+    }
+
+    func test_login_configuration_shows_storePicker() throws {
+        // Given
+        let coordinator = StorePickerCoordinator(navigationController, config: .login)
+
+        // When
+        coordinator.start()
+
+        // Then
+        waitUntil {
+            self.navigationController.topViewController is StorePickerViewController
+        }
+    }
+
+    func test_listStores_configuration_shows_storePicker() throws {
+        // Given
+        let coordinator = StorePickerCoordinator(navigationController, config: .listStores)
+
+        // When
+        coordinator.start()
+
+        // Then
+        waitUntil {
+            self.navigationController.topViewController is StorePickerViewController
+        }
+    }
+}