public void TestParseExampleBodyRfc3501() { const string text = "(\"TEXT\" \"PLAIN\" (\"CHARSET\" \"US-ASCII\") NIL NIL \"7BIT\" 3028 92)\r\n"; using (var memory = new MemoryStream(Encoding.ASCII.GetBytes(text), false)) { using (var tokenizer = new ImapStream(memory, null, new NullProtocolLogger())) { using (var engine = new ImapEngine(null)) { BodyPartText basic; BodyPart body; engine.SetStream(tokenizer); try { body = ImapUtils.ParseBodyAsync(engine, "Unexpected token: {0}", string.Empty, false, CancellationToken.None).GetAwaiter().GetResult(); } catch (Exception ex) { Assert.Fail("Parsing BODY failed: {0}", ex); return; } var token = engine.ReadToken(CancellationToken.None); Assert.AreEqual(ImapTokenType.Eoln, token.Type, "Expected new-line, but got: {0}", token); Assert.IsInstanceOf <BodyPartText> (body, "Body types did not match."); basic = (BodyPartText)body; Assert.IsTrue(body.ContentType.IsMimeType("text", "plain"), "Content-Type did not match."); Assert.AreEqual("US-ASCII", body.ContentType.Parameters["charset"], "charset param did not match"); Assert.IsNotNull(basic, "The parsed body is not BodyPartText."); Assert.AreEqual("7BIT", basic.ContentTransferEncoding, "Content-Transfer-Encoding did not match."); Assert.AreEqual(3028, basic.Octets, "Octet count did not match."); Assert.AreEqual(92, basic.Lines, "Line count did not match."); } } } }
public void TestParseLabelsListWithNIL() { const string text = "(atom-label \\flag-label \"quoted-label\" NIL)\r\n"; using (var memory = new MemoryStream(Encoding.ASCII.GetBytes(text), false)) { using (var tokenizer = new ImapStream(memory, null, new NullProtocolLogger())) { using (var engine = new ImapEngine(null)) { IList <string> labels; engine.SetStream(tokenizer); try { labels = ImapUtils.ParseLabelsListAsync(engine, false, CancellationToken.None).GetAwaiter().GetResult(); } catch (Exception ex) { Assert.Fail("Parsing X-GM-LABELS failed: {0}", ex); return; } var token = engine.ReadToken(CancellationToken.None); Assert.AreEqual(ImapTokenType.Eoln, token.Type, "Expected new-line, but got: {0}", token); } } } }
public async void TestWriteAsync() { using (var stream = new ImapStream(new DummyNetworkStream(), null, new NullProtocolLogger())) { var memory = (MemoryStream)stream.Stream; var buffer = new byte[8192]; var buf1k = new byte[1024]; var buf4k = new byte[4096]; var buf9k = new byte[9216]; byte[] mem; using (var rng = new RNGCryptoServiceProvider()) { rng.GetBytes(buf1k); rng.GetBytes(buf4k); rng.GetBytes(buf9k); } // Test #1: write less than 4K to make sure that ImapStream buffers it await stream.WriteAsync(buf1k, 0, buf1k.Length); Assert.AreEqual(0, memory.Length, "#1"); // Test #2: make sure that flushing the ImapStream flushes the entire buffer out to the network await stream.FlushAsync(); Assert.AreEqual(buf1k.Length, memory.Length, "#2"); mem = memory.GetBuffer(); for (int i = 0; i < buf1k.Length; i++) { Assert.AreEqual(buf1k[i], mem[i], "#2 byte[{0}]", i); } memory.SetLength(0); // Test #3: write exactly 4K to make sure it passes through w/o the need to flush await stream.WriteAsync(buf4k, 0, buf4k.Length); Assert.AreEqual(buf4k.Length, memory.Length, "#3"); mem = memory.GetBuffer(); for (int i = 0; i < buf4k.Length; i++) { Assert.AreEqual(buf4k[i], mem[i], "#3 byte[{0}]", i); } memory.SetLength(0); // Test #4: write 1k and then write 4k, make sure that only 4k passes thru (last 1k gets buffered) await stream.WriteAsync(buf1k, 0, buf1k.Length); await stream.WriteAsync(buf4k, 0, buf4k.Length); Assert.AreEqual(4096, memory.Length, "#4"); await stream.FlushAsync(); Assert.AreEqual(buf1k.Length + buf4k.Length, memory.Length, "#4"); Array.Copy(buf1k, 0, buffer, 0, buf1k.Length); Array.Copy(buf4k, 0, buffer, buf1k.Length, buf4k.Length); mem = memory.GetBuffer(); for (int i = 0; i < buf1k.Length + buf4k.Length; i++) { Assert.AreEqual(buffer[i], mem[i], "#4 byte[{0}]", i); } memory.SetLength(0); // Test #5: write 9k and make sure only the first 8k goes thru (last 1k gets buffered) await stream.WriteAsync(buf9k, 0, buf9k.Length); Assert.AreEqual(8192, memory.Length, "#5"); await stream.FlushAsync(); Assert.AreEqual(buf9k.Length, memory.Length, "#5"); mem = memory.GetBuffer(); for (int i = 0; i < buf9k.Length; i++) { Assert.AreEqual(buf9k[i], mem[i], "#5 byte[{0}]", i); } memory.SetLength(0); } }
public void TestSetLength() { using (var stream = new ImapStream(new DummyNetworkStream(), null, new NullProtocolLogger())) { Assert.Throws <NotSupportedException> (() => stream.SetLength(500)); } }
public async void TestReadTokenAsync() { using (var stream = new ImapStream(new DummyNetworkStream(), null, new NullProtocolLogger())) { var data = Encoding.ASCII.GetBytes("* atom (\\flag \"qstring\" NIL) [] \r\n"); stream.Stream.Write(data, 0, data.Length); stream.Stream.Position = 0; Assert.Throws <ArgumentNullException> (() => stream.UngetToken(null)); var token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.Asterisk, token.Type); Assert.AreEqual("'*'", token.ToString()); token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.Atom, token.Type); Assert.AreEqual("[atom: atom]", token.ToString()); token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.OpenParen, token.Type); Assert.AreEqual("'('", token.ToString()); token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.Flag, token.Type); Assert.AreEqual("[flag: \\flag]", token.ToString()); token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.QString, token.Type); Assert.AreEqual("[qstring: \"qstring\"]", token.ToString()); token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.Nil, token.Type); Assert.AreEqual("NIL", token.ToString()); token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.CloseParen, token.Type); Assert.AreEqual("')'", token.ToString()); token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.OpenBracket, token.Type); Assert.AreEqual("'['", token.ToString()); token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.CloseBracket, token.Type); Assert.AreEqual("']'", token.ToString()); token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.Eoln, token.Type); Assert.AreEqual("'\\n'", token.ToString()); stream.UngetToken(token); token = await stream.ReadTokenAsync(CancellationToken.None); Assert.AreEqual(ImapTokenType.Eoln, token.Type); Assert.AreEqual("'\\n'", token.ToString()); } }