javier
a1a649838c
This PR contains the work done to implement the `ValidateInputUseCase` use case and the `InputValidationRule` protocol, that is essential to define custom validation rules for inputs. In addition, the `NotEmptyValidationRule` and `NotNilValidationRule` rules have also been implemented. Reviewed-on: #4 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
98 lines
2.5 KiB
Swift
98 lines
2.5 KiB
Swift
// ===----------------------------------------------------------------------===
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//
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// This source file is part of the DiscogsService open source project
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//
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// Copyright (c) 2025 Röck+Cöde VoF. and the DiscogsService project authors
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// Licensed under Apache license v2.0
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//
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// See LICENSE for license information
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// See CONTRIBUTORS for the list of DiscogsService project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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// ===----------------------------------------------------------------------===
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import Testing
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@testable import DiscogsService
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@Suite("Validate Input Use Cases")
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struct ValidateInputUseCaseTests {
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// MARK: Functions
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#if swift(>=6.2)
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@Test(arguments: zip(
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Input.inputsToValidate,
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Output.inputsToValidate
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)) func `validate`(
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input: String?,
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expects error: InputValidationError?
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) async throws {
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try assertValidate(
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input: input,
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expects: error
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)
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}
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#else
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@Test("validate", arguments: zip(
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Input.inputsToValidate,
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Output.inputsToValidate
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)) func validate(
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input: String?,
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expects error: InputValidationError?
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) async throws {
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try assertValidate(
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input: input,
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expects: error
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)
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}
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#endif
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}
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// MARK: - Assertions
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private extension ValidateInputUseCaseTests {
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// MARK: Functions
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/// Asserts an input validation of a ``ValidateInputUseCase`` use case.
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/// - Parameters:
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/// - input: An input to validate, if any.
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/// - error: An expected error, if any.
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/// - Throws: An error of type ``InputValidationError`` in case of an unexpected test case scenario.
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func assertValidate(
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input: String?,
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expects error: InputValidationError?
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) throws {
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// GIVEN
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let validate = ValidateInputUseCase(rules: .notNil, .notEmpty)
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// WHEN
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// THEN
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if let error {
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#expect(throws: error) {
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try validate(input)
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}
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} else {
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#expect(throws: Never.self) {
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try validate(input)
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}
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}
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}
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}
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// MARK: - Constants
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private extension Input {
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/// A list of inputs to validate against a set of validation rules.
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static let inputsToValidate: [String?] = [nil, .empty, "SomeInput"]
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}
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private extension Output {
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/// A list of expected input validation errors to be thrown (if necessary).
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static let inputsToValidate: [InputValidationError?] = [.inputIsNil, .inputIsEmpty, nil]
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}
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