277 lines
12 KiB
C#
277 lines
12 KiB
C#
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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.Http.Formatting.DataSets;
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using System.Text;
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using Microsoft.TestCommon;
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using Xunit;
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using Xunit.Extensions;
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using Assert = Microsoft.TestCommon.AssertEx;
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namespace System.Net.Http.Formatting.Parsers
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{
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public class HttpRequestHeaderParserTests
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{
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[Fact]
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[Trait("Description", "HttpRequestHeaderParser is internal class")]
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public void TypeIsCorrect()
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{
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Assert.Type.HasProperties<HttpRequestHeaderParser>(TypeAssert.TypeProperties.IsClass);
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}
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private static byte[] CreateBuffer(string method, string address, string version, Dictionary<string, string> headers)
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{
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const string SP = " ";
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const string CRLF = "\r\n";
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string lws = SP;
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StringBuilder request = new StringBuilder();
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request.AppendFormat("{0}{1}{2}{3}{4}{5}", method, lws, address, lws, version, CRLF);
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if (headers != null)
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{
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foreach (var h in headers)
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{
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request.AppendFormat("{0}: {1}{2}", h.Key, h.Value, CRLF);
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}
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}
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request.Append(CRLF);
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return Encoding.UTF8.GetBytes(request.ToString());
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}
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private static ParserState ParseBufferInSteps(HttpRequestHeaderParser parser, byte[] buffer, int readsize, out int totalBytesConsumed)
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{
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ParserState state = ParserState.Invalid;
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totalBytesConsumed = 0;
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while (totalBytesConsumed <= buffer.Length)
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{
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int size = Math.Min(buffer.Length - totalBytesConsumed, readsize);
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byte[] parseBuffer = new byte[size];
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Buffer.BlockCopy(buffer, totalBytesConsumed, parseBuffer, 0, size);
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int bytesConsumed = 0;
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state = parser.ParseBuffer(parseBuffer, parseBuffer.Length, ref bytesConsumed);
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totalBytesConsumed += bytesConsumed;
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if (state != ParserState.NeedMoreData)
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{
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return state;
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}
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}
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return state;
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}
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private static void ValidateResult(
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HttpUnsortedRequest requestLine,
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string method,
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string requestUri,
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Version version,
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Dictionary<string, string> headers)
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{
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Assert.Equal(new HttpMethod(method), requestLine.Method);
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Assert.Equal(requestUri, requestLine.RequestUri);
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Assert.Equal(version, requestLine.Version);
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if (headers != null)
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{
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Assert.Equal(headers.Count, requestLine.HttpHeaders.Count());
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foreach (var header in headers)
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{
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Assert.True(requestLine.HttpHeaders.Contains(header.Key), "Parsed header did not contain expected key " + header.Key);
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Assert.Equal(header.Value, requestLine.HttpHeaders.GetValues(header.Key).ElementAt(0));
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}
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}
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}
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[Fact]
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[Trait("Description", "HttpRequestHeaderParser constructor throws on invalid arguments")]
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public void HttpRequestHeaderParserConstructorTest()
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{
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HttpUnsortedRequest result = new HttpUnsortedRequest();
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Assert.NotNull(result);
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Assert.ThrowsArgumentGreaterThanOrEqualTo(() => new HttpRequestHeaderParser(result, ParserData.MinRequestLineSize - 1, ParserData.MinHeaderSize),
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"maxRequestLineSize", ParserData.MinRequestLineSize.ToString(), ParserData.MinRequestLineSize - 1);
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Assert.ThrowsArgumentGreaterThanOrEqualTo(() => new HttpRequestHeaderParser(result, ParserData.MinRequestLineSize, ParserData.MinHeaderSize - 1),
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"maxHeaderSize", ParserData.MinHeaderSize.ToString(), ParserData.MinHeaderSize - 1);
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HttpRequestHeaderParser parser = new HttpRequestHeaderParser(result, ParserData.MinRequestLineSize, ParserData.MinHeaderSize);
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Assert.NotNull(parser);
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Assert.ThrowsArgumentNull(() => { new HttpRequestHeaderParser(null); }, "httpRequest");
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}
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[Fact]
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[Trait("Description", "HttpRequestHeaderParser.ParseBuffer throws on null buffer.")]
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public void RequestHeaderParserNullBuffer()
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{
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HttpUnsortedRequest result = new HttpUnsortedRequest();
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HttpRequestHeaderParser parser = new HttpRequestHeaderParser(result, ParserData.MinRequestLineSize, ParserData.MinHeaderSize);
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Assert.NotNull(parser);
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int bytesConsumed = 0;
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Assert.ThrowsArgumentNull(() => { parser.ParseBuffer(null, 0, ref bytesConsumed); }, "buffer");
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}
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[Fact]
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[Trait("Description", "HttpRequestHeaderParser.ParseBuffer parses minimum requestline.")]
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public void RequestHeaderParserMinimumBuffer()
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{
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byte[] data = CreateBuffer("G", "/", "HTTP/1.1", null);
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HttpUnsortedRequest result = new HttpUnsortedRequest();
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HttpRequestHeaderParser parser = new HttpRequestHeaderParser(result, ParserData.MinRequestLineSize, ParserData.MinHeaderSize);
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Assert.NotNull(parser);
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int bytesConsumed = 0;
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ParserState state = parser.ParseBuffer(data, data.Length, ref bytesConsumed);
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Assert.Equal(ParserState.Done, state);
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Assert.Equal(data.Length, bytesConsumed);
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ValidateResult(result, "G", "/", new Version("1.1"), null);
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}
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[Fact]
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[Trait("Description", "HttpRequestHeaderParser.ParseBuffer parses standard methods.")]
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public void RequestHeaderParserAcceptsStandardMethods()
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{
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foreach (HttpMethod method in HttpUnitTestDataSets.AllHttpMethods)
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{
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byte[] data = CreateBuffer(method.ToString(), "/", "HTTP/1.1", ParserData.ValidHeaders);
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedRequest result = new HttpUnsortedRequest();
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HttpRequestHeaderParser parser = new HttpRequestHeaderParser(result);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(ParserState.Done, state);
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Assert.Equal(data.Length, totalBytesConsumed);
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ValidateResult(result, method.ToString(), "/", new Version("1.1"), ParserData.ValidHeaders);
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}
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}
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}
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[Fact]
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[Trait("Description", "HttpRequestHeaderParser.ParseBuffer parses custom methods.")]
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public void RequestHeaderParserAcceptsCustomMethods()
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{
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foreach (HttpMethod method in HttpUnitTestDataSets.CustomHttpMethods)
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{
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byte[] data = CreateBuffer(method.ToString(), "/", "HTTP/1.1", ParserData.ValidHeaders);
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedRequest result = new HttpUnsortedRequest();
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HttpRequestHeaderParser parser = new HttpRequestHeaderParser(result);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(ParserState.Done, state);
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Assert.Equal(data.Length, totalBytesConsumed);
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ValidateResult(result, method.ToString(), "/", new Version("1.1"), ParserData.ValidHeaders);
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}
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}
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}
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[Fact]
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[Trait("Description", "HttpRequestHeaderParser.ParseBuffer rejects invalid method")]
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public void RequestHeaderParserRejectsInvalidMethod()
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{
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foreach (string invalidMethod in ParserData.InvalidMethods)
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{
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byte[] data = CreateBuffer(invalidMethod, "/", "HTTP/1.1", ParserData.ValidHeaders);
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedRequest result = new HttpUnsortedRequest();
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HttpRequestHeaderParser parser = new HttpRequestHeaderParser(result);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(ParserState.Invalid, state);
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}
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}
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}
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[Fact]
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[Trait("Description", "HttpRequestHeaderParser.ParseBuffer rejects invalid URI.")]
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public void RequestHeaderParserRejectsInvalidUri()
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{
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foreach (string invalidRequestUri in ParserData.InvalidRequestUris)
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{
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byte[] data = CreateBuffer("GET", invalidRequestUri, "HTTP/1.1", ParserData.ValidHeaders);
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedRequest result = new HttpUnsortedRequest();
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HttpRequestHeaderParser parser = new HttpRequestHeaderParser(result);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(ParserState.Invalid, state);
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}
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}
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}
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public static IEnumerable<object[]> Versions
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{
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get { return ParserData.Versions; }
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}
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[Theory]
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[PropertyData("Versions")]
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[Trait("Description", "HttpRequestHeaderParser.ParseBuffer accepts valid versions.")]
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public void RequestHeaderParserAcceptsValidVersion(Version version)
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{
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byte[] data = CreateBuffer("GET", "/", String.Format("HTTP/{0}", version.ToString(2)), ParserData.ValidHeaders);
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedRequest result = new HttpUnsortedRequest();
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HttpRequestHeaderParser parser = new HttpRequestHeaderParser(result);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(data.Length, totalBytesConsumed);
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ValidateResult(result, "GET", "/", version, ParserData.ValidHeaders);
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}
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}
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public static IEnumerable<object[]> InvalidVersions
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{
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get { return ParserData.InvalidVersions; }
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}
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[Theory]
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[PropertyData("InvalidVersions")]
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[Trait("Description", "HttpRequestHeaderParser.ParseBuffer rejects lower case protocol version.")]
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public void RequestHeaderParserRejectsInvalidVersion(string invalidVersion)
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{
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byte[] data = CreateBuffer("GET", "/", invalidVersion, ParserData.ValidHeaders);
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedRequest result = new HttpUnsortedRequest();
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HttpRequestHeaderParser parser = new HttpRequestHeaderParser(result);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(ParserState.Invalid, state);
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}
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}
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}
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}
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