实现我的 Tab、对齐 Android 流程并接入 OSS 上传

suixinkanTests/WithdrawalSettingsViewModelTests.swift

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+//
+//  WithdrawalSettingsViewModelTests.swift
+//  suixinkanTests
+//
+
+import UIKit
+import XCTest
+@testable import suixinkan
+
+/// 提现设置 ViewModel 测试。
+final class WithdrawalSettingsViewModelTests: XCTestCase {
+    func testCanGoNextStepRequiresImagesAndAgreement() {
+        let viewModel = WithdrawalSettingsViewModel()
+        viewModel.updateHolderName("张三")
+        viewModel.updateBankNo("6222021234567890")
+        viewModel.updateAgree(true)
+
+        XCTAssertFalse(viewModel.canGoNextStep)
+
+        try? viewModel.prepareBankCardImage(
+            data: UIImage(systemName: "photo")!.pngData()!,
+            side: .front
+        )
+        try? viewModel.prepareBankCardImage(
+            data: UIImage(systemName: "photo")!.pngData()!,
+            side: .back
+        )
+
+        XCTAssertTrue(viewModel.canGoNextStep)
+    }
+
+    func testCanSubmitRequiresStepTwoFields() throws {
+        let viewModel = WithdrawalSettingsViewModel()
+        viewModel.updateHolderName("张三")
+        viewModel.updateBankNo("6222021234567890")
+        viewModel.updateAgree(true)
+        try viewModel.prepareBankCardImage(
+            data: XCTUnwrap(UIImage(systemName: "photo")?.pngData()),
+            side: .front
+        )
+        try viewModel.prepareBankCardImage(
+            data: XCTUnwrap(UIImage(systemName: "photo")?.pngData()),
+            side: .back
+        )
+        viewModel.goNextStep()
+
+        viewModel.updateBankName("中国银行")
+        viewModel.updateBranchName("南京支行")
+        viewModel.updateVerificationCode("123456")
+
+        XCTAssertFalse(viewModel.canSubmit)
+
+        viewModel.selectProvince(AreasResponse(id: 1, code: "32", name: "江苏", children: []))
+        viewModel.selectCity(AreasResponse(id: 2, code: "3201", name: "南京", children: []))
+
+        XCTAssertTrue(viewModel.canSubmit)
+    }
+}