mirror of
https://github.com/shadowsocks/ShadowsocksX-NG.git
synced 2026-11-08 10:54:50 +00:00
233 lines
8.9 KiB
Swift
233 lines
8.9 KiB
Swift
import Testing
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@testable import ShadowsocksX_NG2
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/// 服务器表单的手动输入上限与端口十进制草稿：全部经表单草稿
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/// 模块的公开面观察（装载、校验、提交草稿、变更检测），不触碰内部实现。
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@MainActor
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struct ServerFormFieldLimitsTests {
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private static let overLongName = String(
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repeating: "港", count: ServerFormFields.nameCharacterLimit + 1)
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private static let overLongAddress = String(
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repeating: "a", count: ServerFormFields.addressCharacterLimit + 1)
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private static let overLongPassword = String(
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repeating: "p", count: ServerFormFields.passwordCharacterLimit + 1)
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private static let overLongOptions = String(
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repeating: "港", count: ServerFormFields.pluginOptionsUTF8Limit / 3 + 1)
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private static func editForm(
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name: String = "服务器",
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address: String = "203.0.113.7",
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port: Int = 8388,
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password: String = "password",
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pluginOptions: String = ""
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) -> ServerEditForm {
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ServerEditForm(
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address: address,
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port: port,
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encryptionMethod: "aes-256-gcm",
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password: password,
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remark: name,
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plugin: PluginSectionState(
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selection: .named(program: "v2ray-plugin"),
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programs: [.init(program: "v2ray-plugin", source: .managed, availability: .available)],
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mappingsUnreadable: false,
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optionsPresent: !pluginOptions.isEmpty,
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options: pluginOptions),
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isEditable: true)
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}
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private static func loadedFields(_ form: ServerEditForm = editForm()) -> ServerFormFields {
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let fields = ServerFormFields()
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fields.load(from: form)
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return fields
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}
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// MARK: - 端口十进制草稿
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@Test(
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arguments: [
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("", "空输入"), ("abc", "非数字"), ("12a4", "中途字母"), ("123456", "六位数字"),
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("0", "零"), ("65536", "超范围"), ("-1", "负号"), (" 8388", "带空格"),
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("８３８８", "全角数字"),
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])
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func invalidPortDraftsBlockSubmissionAndNeverSubmitStaleValues(_ text: String, _ label: String) {
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let fields = Self.loadedFields()
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fields.portText = text
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#expect(!fields.validateForSubmit(), "\(label)")
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#expect(fields.fieldErrors[.port] == .invalidPort, "\(label)")
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#expect(fields.draft == nil, "无效端口不得回落到旧绑定值：\(label)")
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#expect(fields.hasChanges, "非法端口仍是变更，保存入口不得死锁：\(label)")
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}
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@Test(arguments: [("1", 1), ("65535", 65_535), ("8388", 8388), ("08388", 8388)])
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func validPortDraftsSubmitParsedValues(_ text: String, expected: Int) {
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let fields = Self.loadedFields()
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fields.portText = text
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#expect(fields.validateForSubmit())
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#expect(fields.draft?.port == expected)
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}
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@Test
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func numericallyEqualPortRewriteIsNotAChange() {
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let fields = Self.loadedFields()
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fields.portText = "08388"
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#expect(!fields.hasChanges)
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fields.portText = "8389"
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#expect(fields.hasChanges)
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}
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// MARK: - 字符上限（Swift Character 计量）
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@Test
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func nameLimitCountsCharactersIncludingComposedSequences() {
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let fields = Self.loadedFields()
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fields.remark = String(repeating: "港", count: ServerFormFields.nameCharacterLimit)
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#expect(fields.validateForSubmit())
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fields.remark = Self.overLongName
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#expect(!fields.validateForSubmit())
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#expect(
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fields.fieldErrors[.name] == .tooManyCharacters(limit: ServerFormFields.nameCharacterLimit))
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// 组合字符序列按用户可见字符计数：e + U+0301 是一个 Character。
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fields.remark = String(repeating: "e\u{301}", count: ServerFormFields.nameCharacterLimit)
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#expect(fields.validateForSubmit())
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fields.remark = String(repeating: "e\u{301}", count: ServerFormFields.nameCharacterLimit + 1)
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#expect(!fields.validateForSubmit())
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}
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@Test
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func nameAndAddressLimitsMeasurePreparedValuesAfterExistingTrimming() {
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let fields = Self.loadedFields()
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// 名称/地址沿用首尾空白处理后计量：首尾空白不计入上限。
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fields.remark = " " + String(repeating: "港", count: ServerFormFields.nameCharacterLimit) + " "
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#expect(fields.validateForSubmit())
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fields.address = " " + String(repeating: "a", count: ServerFormFields.addressCharacterLimit)
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#expect(fields.validateForSubmit())
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// 去掉空白后仍超一位才越界。
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fields.remark = " " + Self.overLongName
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#expect(!fields.validateForSubmit())
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fields.remark = "服务器"
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fields.address = Self.overLongAddress
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#expect(!fields.validateForSubmit())
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#expect(
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fields.fieldErrors[.address]
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== .tooManyCharacters(limit: ServerFormFields.addressCharacterLimit))
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}
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@Test
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func passwordLimitDoesNotTrimOrNormalize() {
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let fields = Self.loadedFields()
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fields.password = String(repeating: "p", count: ServerFormFields.passwordCharacterLimit)
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#expect(fields.validateForSubmit(), "恰好达标")
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// 密码不 trim、不归一化：尾随空格计入长度，1025 位即越界。
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fields.password = String(repeating: "p", count: ServerFormFields.passwordCharacterLimit) + " "
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#expect(!fields.validateForSubmit())
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fields.password = Self.overLongPassword
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#expect(!fields.validateForSubmit())
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#expect(
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fields.fieldErrors[.password]
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== .tooManyCharacters(limit: ServerFormFields.passwordCharacterLimit))
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}
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// MARK: - 插件参数字节上限（UTF-8 计量）
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@Test
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func pluginOptionsLimitCountsUTF8BytesOfTheWholeString() {
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let fields = Self.loadedFields()
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fields.pluginOptions.switchToRawText()
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fields.pluginOptions.rawText = String(
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repeating: "a", count: ServerFormFields.pluginOptionsUTF8Limit)
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#expect(fields.validateForSubmit(), "恰好 65,536 字节达标")
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fields.pluginOptions.rawText = String(
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repeating: "a", count: ServerFormFields.pluginOptionsUTF8Limit + 1)
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#expect(!fields.validateForSubmit())
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#expect(
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fields.fieldErrors[.pluginOptions]
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== .tooManyBytes(limit: ServerFormFields.pluginOptionsUTF8Limit))
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// 多字节字符按字节计：21846 个「港」= 65,538 字节越界。
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fields.pluginOptions.rawText = String(repeating: "港", count: 21_846)
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#expect(!fields.validateForSubmit())
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}
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@Test
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func hiddenOptionsDraftDoesNotBlockSaveWhenPluginIsNone() {
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let fields = Self.loadedFields()
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fields.pluginChoice = .none
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fields.pluginOptions.switchToRawText()
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fields.pluginOptions.rawText = Self.overLongOptions
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#expect(fields.validateForSubmit(), "插件「无」时隐藏参数草稿不阻塞保存")
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}
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// MARK: - 超长基线兼容
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@Test
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func unmodifiedOverLongBaselineFieldsDoNotBlockSavingOtherChanges() {
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let fields = Self.loadedFields(
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Self.editForm(
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name: Self.overLongName, address: Self.overLongAddress,
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password: Self.overLongPassword, pluginOptions: Self.overLongOptions))
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#expect(fields.validateForSubmit(), "未修改的历史超长字段放行")
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#expect(fields.draft != nil)
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// 只改名称（合规新值），其余超长基线字段继续放行。
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fields.remark = "新名称"
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#expect(fields.validateForSubmit())
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// 主动修改超限字段后必须满足上限。
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fields.address = Self.overLongAddress + "x"
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#expect(!fields.validateForSubmit())
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#expect(
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fields.fieldErrors[.address]
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== .tooManyCharacters(limit: ServerFormFields.addressCharacterLimit))
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}
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@Test
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func baselineExemptionUsesTheLoadedSnapshotNotLiveCatalogValues() {
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let fields = Self.loadedFields(Self.editForm(name: Self.overLongName))
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#expect(fields.validateForSubmit())
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// 再次成功装载后基线刷新。
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fields.remark = "正常名称"
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fields.load(from: Self.editForm(name: Self.overLongName))
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#expect(fields.validateForSubmit(), "重载后基线恢复为超长保存值，未修改即放行")
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}
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// MARK: - 错误呈现时机
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@Test
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func firstOpenShowsNoErrorsAndErrorsClearOnFieldEdit() {
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let fields = ServerFormFields.newForm()
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#expect(fields.fieldErrors.isEmpty, "首次打开不显示校验错误")
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#expect(!fields.validateForSubmit(), "新建面名称为空仍拒绝提交（原有必填规则）")
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#expect(fields.firstErrorField == .name)
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#expect(fields.fieldErrors[.name] == .missingName)
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fields.remark = "有名称"
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#expect(fields.fieldErrors[.name] == nil, "重新编辑对应字段即清除")
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fields.portText = "abc"
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#expect(!fields.validateForSubmit())
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fields.portText = "8388"
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#expect(fields.fieldErrors[.port] == nil)
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}
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@Test
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func firstErrorFieldFollowsGridOrder() {
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let fields = Self.loadedFields()
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fields.portText = "0"
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fields.remark = ""
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fields.password = Self.overLongPassword
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#expect(!fields.validateForSubmit())
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#expect(fields.firstErrorField == .name, "名称 → 地址 → 端口 → 密码 → 参数")
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}
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@Test
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func loadedEditFormShowsNoErrorsUntilValidated() {
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let fields = Self.loadedFields(Self.editForm(name: Self.overLongName))
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#expect(fields.fieldErrors.isEmpty)
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#expect(fields.validateForSubmit())
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#expect(fields.fieldErrors.isEmpty)
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}
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}
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