What are testing strategies for Keychain in Swift?

Testing strategies for Keychain in Swift involve various approaches to ensure secure storage and retrieval of sensitive data. Effective testing helps to maintain data integrity, security, and performance.
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// Example of a unit test for storing and retrieving data from Keychain import XCTest @testable import YourApp class KeychainTests: XCTestCase { let keychainService = KeychainService() // Your Keychain service class override func setUp() { super.setUp() // Clear Keychain before each test keychainService.clear() } func testStoreAndRetrieve() { let key = "testKey" let value = "testValue" // Store value let storeResult = keychainService.store(key: key, value: value) XCTAssertTrue(storeResult, "Should store value successfully") // Retrieve value let retrievedValue = keychainService.retrieve(key: key) XCTAssertEqual(retrievedValue, value, "Should retrieve the correct value") } func testDelete() { let key = "testKey" let value = "testValue" // Store value keychainService.store(key: key, value: value) // Delete value let deleteResult = keychainService.delete(key: key) XCTAssertTrue(deleteResult, "Should delete value successfully") // Attempt to retrieve deleted value let retrievedValue = keychainService.retrieve(key: key) XCTAssertNil(retrievedValue, "Should not be able to retrieve deleted value") } }

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