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Use ViewModels for simplified testing
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| import Foundation | ||
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| extension LoginScreen { | ||
| final class ViewModel: ObservableObject { | ||
| @Published | ||
| var identifier = "" | ||
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| var canSubmit: Bool { 3 ... 254 ~= identifier.count } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| import Foundation | ||
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| extension RegisterScreen { | ||
| final class ViewModel: ObservableObject { | ||
| @Published | ||
| var username = "" | ||
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| @Published | ||
| var email = "" | ||
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| var isUsernameValid: Bool { 3 ... 50 ~= username.count } | ||
| var isEmailValid: Bool { 3 ... 254 ~= email.count && email.contains("@") } | ||
| var canSubmit: Bool { isUsernameValid && isEmailValid } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| import XCTest | ||
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| @testable | ||
| import Fyreplace | ||
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| final class LoginScreenViewModelTests: XCTestCase { | ||
| func testIdentifierMustHaveCorrectLength() { | ||
| let viewModel = LoginScreen.ViewModel() | ||
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| for i in 0 ..< 3 { | ||
| viewModel.identifier = .init(repeating: "a", count: i) | ||
| XCTAssertFalse(viewModel.canSubmit) | ||
| } | ||
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| for i in 3 ... 254 { | ||
| viewModel.identifier = .init(repeating: "a", count: i) | ||
| XCTAssertTrue(viewModel.canSubmit) | ||
| } | ||
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| viewModel.identifier = .init(repeating: "a", count: 255) | ||
| XCTAssertFalse(viewModel.canSubmit) | ||
| } | ||
| } |
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