Add upgrade test

Gem.xcodeproj/project.pbxproj

@@ -67,6 +67,7 @@
 		B6B86A102D702E7C00D31D65 /* SwapNavigationView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B6B86A0F2D702E7C00D31D65 /* SwapNavigationView.swift */; };
 		B6C8F2AF2EDE2691005915E4 /* UITestKitConstants.swift in Sources */ = {isa = PBXBuildFile; fileRef = B6C8F2AD2EDE2691005915E4 /* UITestKitConstants.swift */; };
 		B6CBBC552ED9A80B0043443B /* CreateWalletUITests.swift in Sources */ = {isa = PBXBuildFile; fileRef = B6CBBC542ED9A80B0043443B /* CreateWalletUITests.swift */; };
+		B6D1A0012EE3000000UPGRADE /* UpgradeVerificationTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = B6D1A0002EE3000000UPGRADE /* UpgradeVerificationTests.swift */; };
 		B6STREAM02F5000000000001 /* StreamService in Frameworks */ = {isa = PBXBuildFile; productRef = B6STREAM02F5000000000002 /* StreamService */; };
 		C30952B4299C39D70004C0F9 /* App.swift in Sources */ = {isa = PBXBuildFile; fileRef = C30952B3299C39D70004C0F9 /* App.swift */; };
 		C34C7CF829FDE942009EEC21 /* unit_frameworks.xctestplan in Resources */ = {isa = PBXBuildFile; fileRef = C34C7CF729FDE942009EEC21 /* unit_frameworks.xctestplan */; };
@@ -226,6 +227,7 @@
 		B6B86A0F2D702E7C00D31D65 /* SwapNavigationView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SwapNavigationView.swift; sourceTree = "<group>"; };
 		B6C8F2AD2EDE2691005915E4 /* UITestKitConstants.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UITestKitConstants.swift; sourceTree = "<group>"; };
 		B6CBBC542ED9A80B0043443B /* CreateWalletUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CreateWalletUITests.swift; sourceTree = "<group>"; };
+		B6D1A0002EE3000000UPGRADE /* UpgradeVerificationTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UpgradeVerificationTests.swift; sourceTree = "<group>"; };
 		B6EA21D42E27E21700F1C849 /* Support */ = {isa = PBXFileReference; lastKnownFileType = wrapper; path = Support; sourceTree = "<group>"; };
 		C30952B0299C39D70004C0F9 /* Gem.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Gem.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		C30952B3299C39D70004C0F9 /* App.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = App.swift; sourceTree = "<group>"; };
@@ -567,6 +569,7 @@
 				B68058302ED9C6F7001273D6 /* Extensions */,
 				B69D9C852ED85EA000A04F7F /* ImportWalletReceiveBitcoinUITests.swift */,
 				B6CBBC542ED9A80B0043443B /* CreateWalletUITests.swift */,
+				B6D1A0002EE3000000UPGRADE /* UpgradeVerificationTests.swift */,
 			);
 			path = GemUITestsAppTests;
 			sourceTree = "<group>";
@@ -1169,6 +1172,7 @@
 			files = (
 				B69D9C872ED85EA000A04F7F /* ImportWalletReceiveBitcoinUITests.swift in Sources */,
 				B6CBBC552ED9A80B0043443B /* CreateWalletUITests.swift in Sources */,
+				B6D1A0012EE3000000UPGRADE /* UpgradeVerificationTests.swift in Sources */,
 				B68058312ED9C6F7001273D6 /* XCTestCase+GemUITestsAppTests.swift in Sources */,
 				B6C8F2AF2EDE2691005915E4 /* UITestKitConstants.swift in Sources */,
 				B68058322ED9C6F7001273D6 /* XCUIApplication+GemUITestsAppTests.swift in Sources */,

GemUITestsAppTests/UpgradeVerificationTests.swift

@@ -0,0 +1,42 @@
+// Copyright (c). Gem Wallet. All rights reserved.
+
+import XCTest
+
+@MainActor
+final class UpgradeVerificationTests: XCTestCase {
+
+    override func setUpWithError() throws {
+        try super.setUpWithError()
+        continueAfterFailure = false
+    }
+
+    func testWalletSurvivedUpgrade() throws {
+        let app = XCUIApplication()
+        setupPermissionHandler()
+        app.launch()
+
+        XCTAssertFalse(app.isOnboarding, "App should not show onboarding after upgrade — wallet data was lost")
+
+        // Navigate to wallet detail
+        app.buttons["Wallet"].firstMatch.tap()
+        app.tapWalletBar()
+
+        // WalletsScene
+        let gearButton = app.buttons["gearshape"].firstMatch
+        XCTAssertTrue(gearButton.waitForExistence(timeout: 10), "No wallets found after upgrade")
+        gearButton.tap()
+
+        // WalletDetailScene
+        let showPhraseButton = app.buttons["Show Secret Phrase"].firstMatch
+        XCTAssertTrue(showPhraseButton.waitForExistence(timeout: 10), "Show Secret Phrase not found")
+        showPhraseButton.tap()
+
+        // SecurityReminderScene
+        app.tapContinue()
+
+        // ShowSecretDataScene
+        let expectedWords = UITestKitConstants.words.components(separatedBy: " ")
+        let displayedWords = app.getWords()
+        XCTAssertEqual(displayedWords, expectedWords, "Secret phrase mismatch after upgrade — keys were corrupted")
+    }
+}

build-system/scripts/upgrade-test.sh

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+COMMIT="${1:?Usage: just upgrade-test <commit-or-tag>}"
+REPO_ROOT="$(git rev-parse --show-toplevel)"
+WORKTREE_DIR="/tmp/gem-upgrade-test-$$"
+SIMULATOR_NAME="${SIMULATOR_NAME:-iPhone 17}"
+SIMULATOR_DEST="platform=iOS Simulator,name=$SIMULATOR_NAME"
+OLD_DERIVED_DATA="$WORKTREE_DIR/build/DerivedData"
+
+cleanup() {
+    echo "==> Cleaning up worktree"
+    cd "$REPO_ROOT"
+    git worktree remove --force "$WORKTREE_DIR" 2>/dev/null || true
+}
+trap cleanup EXIT
+
+echo "==> Phase 1: Build old version ($COMMIT)"
+
+git worktree add "$WORKTREE_DIR" "$COMMIT"
+cd "$WORKTREE_DIR"
+git submodule update --init
+
+echo "==> Generating stone (old)"
+just generate-stone
+
+echo "==> Building old version for UI testing"
+set -o pipefail && xcodebuild -project Gem.xcodeproj \
+    -scheme GemUITests \
+    -testPlan ui_tests \
+    ONLY_ACTIVE_ARCH=YES \
+    -destination "$SIMULATOR_DEST" \
+    -derivedDataPath "$OLD_DERIVED_DATA" \
+    -allowProvisioningUpdates \
+    -allowProvisioningDeviceRegistration \
+    build-for-testing | xcbeautify --quieter --is-ci
+
+echo "==> Resetting simulator"
+cd "$REPO_ROOT"
+just reset-simulator
+
+echo "==> Running ImportWalletReceiveBitcoinUITests (old version)"
+cd "$WORKTREE_DIR"
+set -o pipefail && xcodebuild -project Gem.xcodeproj \
+    -scheme GemUITests \
+    -testPlan ui_tests \
+    ONLY_ACTIVE_ARCH=YES \
+    -destination "$SIMULATOR_DEST" \
+    -derivedDataPath "$OLD_DERIVED_DATA" \
+    -allowProvisioningUpdates \
+    -allowProvisioningDeviceRegistration \
+    -only-testing GemUITests/ImportWalletReceiveBitcoinUITests \
+    test-without-building | xcbeautify --quieter --is-ci
+
+echo "==> Phase 2: Build current version"
+cd "$REPO_ROOT"
+
+just build-for-testing-ui
+
+DERIVED_DATA="build/DerivedData"
+
+echo "==> Running UpgradeVerificationTests (current version)"
+set -o pipefail && xcodebuild -project Gem.xcodeproj \
+    -scheme GemUITests \
+    -testPlan ui_tests \
+    ONLY_ACTIVE_ARCH=YES \
+    -destination "$SIMULATOR_DEST" \
+    -derivedDataPath "$DERIVED_DATA" \
+    -allowProvisioningUpdates \
+    -allowProvisioningDeviceRegistration \
+    -only-testing GemUITests/UpgradeVerificationTests \
+    test-without-building | xcbeautify --quieter --is-ci
+
+echo "==> Upgrade test passed!"

justfile

@@ -138,6 +138,10 @@ build-for-testing-ui: (_test-ui "build-for-testing")
 
 test-ui-without-building: reset-simulator (_test-ui "test-without-building")
 
+# Run full upgrade test: build old version, create wallet, build current, verify wallet survives
+test-upgrade COMMIT:
+    @bash build-system/scripts/upgrade-test.sh {{COMMIT}}
+
 reset-simulator NAME=SIMULATOR_NAME:
     @echo "==> Resetting {{NAME}} simulator to clean state"
     @xcrun simctl shutdown "{{NAME}}" 2>/dev/null || true