Initial commit: suixinkan_ios UIKit rewrite project.

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan_iosTests/PaymentViewModelTests.swift

@@ -0,0 +1,108 @@
+//
+//  PaymentViewModelTests.swift
+//  suixinkanTests
+//
+//  Created by Codex on 2026/6/22.
+//
+
+import XCTest
+@testable import suixinkan_ios
+
+@MainActor
+/// 收款模块测试，覆盖收款码、动态二维码、轮询和记录分组。
+final class PaymentViewModelTests: XCTestCase {
+    /// 测试无景区时清空二维码且不请求接口。
+    func testLoadPayCodeWithoutScenicClearsState() async {
+        let api = PaymentMockAPI()
+        let viewModel = PaymentCollectionViewModel()
+        viewModel.staticPayUrl = "old"
+
+        await viewModel.loadPayCode(api: api, scenicId: nil)
+
+        XCTAssertTrue(viewModel.staticPayUrl.isEmpty)
+        XCTAssertEqual(api.payCodeScenicIds, [])
+        XCTAssertEqual(viewModel.errorMessage, "请先选择景区")
+    }
+
+    /// 测试收款码接口加载后生成当前二维码 URL。
+    func testLoadPayCodeUsesScenicIdAndAppliesStaticURL() async {
+        let api = PaymentMockAPI()
+        api.payCodeResponse = PayCodeResponse(staticPayUrl: "https://pay.example.com/static", dynamicPayUrl: "https://pay.example.com/dynamic")
+        let viewModel = PaymentCollectionViewModel()
+
+        await viewModel.loadPayCode(api: api, scenicId: 9)
+
+        XCTAssertEqual(api.payCodeScenicIds, [9])
+        XCTAssertEqual(viewModel.currentPayUrl, "https://pay.example.com/static")
+        XCTAssertTrue(viewModel.hasStaticPayCode)
+    }
+
+    /// 测试设置金额会校验金额并生成动态收款 URL。
+    func testApplyDynamicAmountBuildsDynamicURL() async {
+        let viewModel = PaymentCollectionViewModel()
+        viewModel.dynamicPayUrl = "https://pay.example.com/dynamic?scenic_id=9"
+        viewModel.amountText = "12.345"
+        viewModel.remarkText = "茶水"
+
+        XCTAssertTrue(viewModel.applyDynamicAmount())
+        XCTAssertTrue(viewModel.currentPayUrl.contains("amount=12.35"))
+        XCTAssertTrue(viewModel.currentPayUrl.contains("remark="))
+        XCTAssertEqual(viewModel.status, .waiting)
+    }
+
+    /// 测试轮询命中新收款记录后进入成功态。
+    func testPollingFindsNewPaymentRecord() async {
+        let api = PaymentMockAPI()
+        api.recordResponses = [
+            PaymentCollectionRecordResponse(list: [
+                PaymentCollectionRecordItem(orderNumber: "A", userPhone: "138", orderAmount: "8.00", createDate: "2026-06-22", createTime: "10:00")
+            ]),
+            PaymentCollectionRecordResponse(list: [
+                PaymentCollectionRecordItem(orderNumber: "A", userPhone: "138", orderAmount: "8.00", createDate: "2026-06-22", createTime: "10:00"),
+                PaymentCollectionRecordItem(orderNumber: "B", userPhone: "139", orderAmount: "12.35", createDate: "2026-06-22", createTime: "10:01")
+            ])
+        ]
+        let viewModel = PaymentCollectionViewModel()
+        viewModel.amountText = "12.35"
+        await viewModel.primePaymentRecords(api: api, scenicId: 9)
+
+        await viewModel.pollUntilPaymentDetected(api: api, scenicId: 9, maxAttempts: 1, intervalNanoseconds: 0)
+
+        XCTAssertEqual(viewModel.status, .success(PaymentCollectionRecordItem(orderNumber: "B", userPhone: "139", orderAmount: "12.35", createDate: "2026-06-22", createTime: "10:01")))
+    }
+
+    /// 测试后端缺少日汇总时能从列表兜底生成分组。
+    func testRecordGroupsFallbackFromList() {
+        let response = PaymentCollectionRecordResponse(list: [
+            PaymentCollectionRecordItem(orderNumber: "A", userPhone: "138", orderAmount: "8.00", createDate: "2026-06-21", createTime: "10:00"),
+            PaymentCollectionRecordItem(orderNumber: "B", userPhone: "139", orderAmount: "12.00", createDate: "2026-06-21", createTime: "10:01")
+        ])
+
+        let groups = PaymentCollectionRecordViewModel.makeGroups(from: response)
+
+        XCTAssertEqual(groups.count, 1)
+        XCTAssertEqual(groups[0].analyse.orderCount, 2)
+        XCTAssertEqual(groups[0].analyse.orderAmountSum, "20")
+    }
+}
+
+@MainActor
+/// 收款 API 测试替身。
+private final class PaymentMockAPI: PaymentServing {
+    var payCodeResponse = PayCodeResponse()
+    var recordResponses: [PaymentCollectionRecordResponse] = []
+    private(set) var payCodeScenicIds: [Int] = []
+    private(set) var recordScenicIds: [Int] = []
+
+    /// 记录景区 ID 并返回收款码响应。
+    func payCode(scenicId: Int) async throws -> PayCodeResponse {
+        payCodeScenicIds.append(scenicId)
+        return payCodeResponse
+    }
+
+    /// 记录景区 ID 并返回下一份收款记录响应。
+    func paymentCollectionRecords(scenicId: Int) async throws -> PaymentCollectionRecordResponse {
+        recordScenicIds.append(scenicId)
+        return recordResponses.isEmpty ? PaymentCollectionRecordResponse() : recordResponses.removeFirst()
+    }
+}