92 lines
4.1 KiB
Swift
92 lines
4.1 KiB
Swift
import Foundation
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import Testing
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@testable import MikeMail
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@MainActor
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struct MikeMailTests {
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@Test func recipientSuggestionsAndInsertion() {
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let history = ["anna@example.com", "bert@example.com", "anna@work.de"]
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#expect(RecipientCompletion.matches(in: history, input: "ANN") == ["anna@example.com", "anna@work.de"])
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#expect(RecipientCompletion.matches(in: history, input: "anna@example.com, ann") == ["anna@work.de"])
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#expect(RecipientCompletion.matches(in: history, input: "") == [])
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#expect(RecipientCompletion.inserting("bert@example.com", into: "anna@example.com, be") == "anna@example.com, bert@example.com, ")
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#expect(RecipientCompletion.inserting("anna@example.com", into: "anna@example.com, an") == "anna@example.com, ")
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}
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@Test func imapEscapingAndMailboxNames() throws {
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#expect(try IMAPClient.quote("Ordner \"Büro\"") == "\"Ordner \\\"Büro\\\"\"")
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#expect(throws: (any Error).self) { try IMAPClient.quote("INBOX\r\nDELETE INBOX") }
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#expect(IMAPClient.tokens("\"/\" \"Ordner mit Leerzeichen\"") == ["/", "Ordner mit Leerzeichen"])
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#expect(IMAPClient.decodeMailbox("B&APw-ro") == "Büro")
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#expect(IMAPClient.decodeMailbox("A &- B") == "A & B")
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}
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@Test func binaryAttachmentRoundTrip() throws {
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let bytes = Data((0...255).map(UInt8.init))
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let attachment = MailAttachment(name: "Büroprüfung.bin", mimeType: "application/octet-stream", data: bytes)
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let raw = try MIME.compose(from: "sender@example.com", to: ["recipient@example.com"],
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subject: "Grüße aus dem Büro", body: "Zeile 1\n.\nÄÖÜ ß", attachments: [attachment])
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let decoded = MIME.parse(raw, id: "1")
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#expect(decoded.subject == "Grüße aus dem Büro")
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#expect(decoded.body == "Zeile 1\n.\nÄÖÜ ß")
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#expect(decoded.attachments.count == 1)
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#expect(decoded.attachments.first?.name == "Büroprüfung.bin")
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#expect(decoded.attachments.first?.data == bytes)
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}
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@Test func incomingNestedMIME() {
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let raw = """
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From: =?UTF-8?Q?J=C3=B6rg?= <joerg@example.com>
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Subject: =?UTF-8?B?R3LDvMOfZQ==?=
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Date: Fri, 06 Nov 2026 10:30:00 +0100
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Content-Type: multipart/mixed; boundary="outer"
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--outer
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Content-Type: multipart/alternative; boundary="inner"
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--inner
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Content-Type: text/plain; charset=utf-8
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Content-Transfer-Encoding: quoted-printable
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Gr=C3=BC=C3=9Fe aus dem B=C3=BCro.
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--inner
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Content-Type: text/html; charset=utf-8
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<p>Alternative</p>
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--inner--
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--outer
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Content-Type: application/pdf
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Content-Disposition: attachment; filename="rechnung.pdf"
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Content-Transfer-Encoding: base64
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JVBERi0xLjc=
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--outer--
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"""
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let message = MIME.parse(Data(raw.replacingOccurrences(of: "\n", with: "\r\n").utf8), id: "2")
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#expect(message.sender == "Jörg <joerg@example.com>")
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#expect(message.subject == "Grüße")
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#expect(message.body == "Grüße aus dem Büro.")
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#expect(message.attachments.first?.name == "rechnung.pdf")
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#expect(message.attachments.first?.data == Data("%PDF-1.7".utf8))
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#expect(message.date != .distantPast)
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}
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@Test func foldedHeaderAndQuotedPrintable() {
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#expect(MIME.decodeHeader("=?UTF-8?Q?Gr=C3=BC=C3=9Fe?= =?UTF-8?Q?_Welt?=") == "Grüße Welt")
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#expect(MIME.headers("Subject: Erste\r\n zweite\r\nFrom: a@example.com")["subject"] == "Erste zweite")
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#expect(MIME.quotedPrintable(Data("a=\r\nb=3Dc".utf8)) == Data("ab=c".utf8))
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}
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@Test func preventsHeaderInjection() {
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#expect(throws: (any Error).self) {
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try MIME.compose(from: "a@example.com", to: ["b@example.com\r\nBcc: x@example.com"],
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subject: "Hallo", body: "", attachments: [])
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}
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#expect(throws: (any Error).self) {
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try MIME.compose(from: "a@example.com", to: ["b@example.com"],
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subject: "Hallo\r\nBcc: x@example.com", body: "", attachments: [])
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}
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#expect(!MIME.validAddress("not an address"))
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}
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}
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