114 lines
4.2 KiB
Swift
114 lines
4.2 KiB
Swift
//
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// GlobalLoadingCenterTests.swift
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// suixinkanTests
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//
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// Created by Codex on 2026/6/23.
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//
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import XCTest
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@testable import suixinkan_ios
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@MainActor
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/// 全局 Loading 命令中心测试，验证展示状态不会泄漏给业务页面使用。
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final class GlobalLoadingCenterTests: XCTestCase {
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/// 测试多次 show/hide 会按引用计数控制最终显隐。
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func testShowHideUsesReferenceCount() {
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let center = GlobalLoadingCenter()
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center.show(message: "加载账号")
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center.show(message: "加载权限")
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: true, message: "加载权限", activeCount: 2))
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center.hide()
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: true, message: "加载权限", activeCount: 1))
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center.hide()
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: false, message: "", activeCount: 0))
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}
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/// 测试 hide 调用次数超过 show 时不会产生负数计数。
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func testHideNeverDropsReferenceCountBelowZero() {
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let center = GlobalLoadingCenter()
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center.hide()
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: false, message: "", activeCount: 0))
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}
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/// 测试更新文案只影响当前展示内容，不改变引用计数。
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func testUpdateMessageOnlyChangesVisibleMessage() {
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let center = GlobalLoadingCenter()
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center.updateMessage("不会展示")
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: false, message: "", activeCount: 0))
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center.show(message: "加载中")
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center.updateMessage("即将完成")
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: true, message: "即将完成", activeCount: 1))
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}
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/// 测试 withLoading 成功完成后自动隐藏 Loading。
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func testWithLoadingHidesAfterSuccess() async throws {
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let center = GlobalLoadingCenter()
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let value = try await center.withLoading(message: "提交中") {
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: true, message: "提交中", activeCount: 1))
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return 42
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}
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XCTAssertEqual(value, 42)
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: false, message: "", activeCount: 0))
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}
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/// 测试 withLoading 抛错时也会自动隐藏 Loading。
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func testWithLoadingHidesAfterFailure() async {
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let center = GlobalLoadingCenter()
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do {
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_ = try await center.withLoading(message: "提交中") {
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throw TestFailure.expected
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} as Int
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XCTFail("withLoading 应该向外抛出业务错误")
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} catch {
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XCTAssertEqual(error as? TestFailure, .expected)
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}
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: false, message: "", activeCount: 0))
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}
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/// 测试 withOptionalLoading 关闭时不会改变展示状态。
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func testWithOptionalLoadingDisabledDoesNotChangeState() async throws {
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let center = GlobalLoadingCenter()
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let value = try await center.withOptionalLoading(false, message: "不展示") {
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: false, message: "", activeCount: 0))
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return "done"
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}
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XCTAssertEqual(value, "done")
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: false, message: "", activeCount: 0))
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}
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/// 测试使用 Loading 不需要读取可观察展示状态，业务侧只能拿到命令中心类型。
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func testBusinessCodeOnlyDependsOnCommandCenter() {
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let center = GlobalLoadingCenter()
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issueLoadingCommand(center)
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XCTAssertEqual(center.snapshotForTests, GlobalLoadingSnapshot(isVisible: true, message: "加载中", activeCount: 1))
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center.hide()
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}
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/// 模拟业务代码只接收命令中心并发出展示指令。
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private func issueLoadingCommand(_ center: GlobalLoadingCenter) {
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center.show(message: "加载中")
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}
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/// 测试用错误类型。
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private enum TestFailure: Error, Equatable {
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case expected
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}
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}
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