Finished the Connectionstring Parser with extensive unit tests

2024-11-05 02:59:16 +00:00 · 2017-06-26 11:43:55 +02:00 · 2017-06-26 11:43:55 +02:00 · 5f9014125d
commit 5f9014125d
parent 451bedd4e0
6 changed files with 245 additions and 14 deletions
--- a/Tapeti.Tests/ConnectionStringParser.cs
+++ b/Tapeti.Tests/ConnectionStringParser.cs
@ -0,0 +1,200 @@
+using System;
+using Tapeti;
+using Tapeti.Helpers;
+using Xunit;
+
+namespace Tapet.Tests
+{
+    // ReSharper disable InconsistentNaming
+    public class ConnectionStringParserTest
+    {
+        [Fact]
+        public void EmptyConnectionString()
+        {
+            AssertConnectionString("", new TapetiConnectionParams());
+        }
+
+        [Fact]
+        public void SimpleHostname()
+        {
+            AssertConnectionString("HostName=rabbit.com", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com"
+            });
+        }
+
+
+        [Fact]
+        public void LongHostname()
+        {
+            AssertConnectionString("HostName=rabbit.1234.internal.prod.Uname-IT.com", new TapetiConnectionParams
+            {
+                HostName = "rabbit.1234.internal.prod.Uname-IT.com"
+            });
+        }
+
+        [Fact]
+        public void HostnameAndPort()
+        {
+            AssertConnectionString("HostName=rabbit.com;Port=60001", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                Port = 60001
+            });
+        }
+
+        [Fact]
+        public void HostnameAndVirtualHost()
+        {
+            AssertConnectionString("HostName=rabbit.com;VirtualHost=/staging", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                VirtualHost = "/staging"
+            });
+        }
+
+        [Fact]
+        public void HostnameAndPrefetchCount()
+        {
+            AssertConnectionString("HostName=rabbit.com;PrefetchCount=5", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                PrefetchCount = 5
+            });
+        }
+
+        [Fact]
+        public void HostnameAndUsername()
+        {
+            AssertConnectionString("HostName=rabbit.com;Username=myApplication", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                Username = "myApplication"
+            });
+        }
+
+        [Fact]
+        public void HostnameAndUsernameAndPassword()
+        {
+            AssertConnectionString("HostName=rabbit.com;Username=myApplication;Password=abcd1234", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                Username = "myApplication",
+                Password = "abcd1234"
+            });
+        }
+
+        [Fact]
+        public void HostnameAndUsernameAndFunnyPassword()
+        {
+            AssertConnectionString("HostName=rabbit.com;Username=myApplication;Password=a#$%h^5Gs!`~EE357(-+)=_\\/&*|6$<>{}[]MyFaFoRiTePeTnAmE", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                Username = "myApplication",
+                Password = "a#$%h^5Gs!`~EE357(-+)=_\\/&*|6$<>{}[]MyFaFoRiTePeTnAmE"
+            });
+        }
+
+        [Fact]
+        public void ExtraSemicolon()
+        {
+            AssertConnectionString("HostName=rabbit.com;Username=myApplication;Password=abcd1234;", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                Username = "myApplication",
+                Password = "abcd1234"
+            });
+        }
+
+        [Fact]
+        public void ExtraMultipleSemicolon()
+        {
+            AssertConnectionString("HostName=rabbit.com;;;;;;;;;;;;;;Username=myApplication;Password=abcd1234;;;", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                Username = "myApplication",
+                Password = "abcd1234"
+            });
+        }
+
+        [Fact]
+        public void OnlySemicolons()
+        {
+            AssertConnectionString(";;;", new TapetiConnectionParams
+            {
+            });
+        }
+
+        [Fact]
+        public void DoubleQuotes()
+        {
+            AssertConnectionString("HostName=rabbit.com;Username=\"myApplication\"", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                Username = "myApplication",
+            });
+        }
+
+        [Fact]
+        public void DoubleQuotesInDoubleQuotes()
+        {
+            AssertConnectionString("HostName=rabbit.com;Username=\"\"\"myApplication\"\"\";Password=abcd1234", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                Username = "\"myApplication\"",
+                Password = "abcd1234"
+            });
+        }
+
+        [Fact]
+        public void CharactersInDoubleQuotes()
+        {
+            AssertConnectionString("HostName=rabbit.com;Username=\"Application?culture=\"\"nl-NL\"\";nr=5;\";Password=abcd1234", new TapetiConnectionParams
+            {
+                HostName = "rabbit.com",
+                Username = "Application?culture=\"nl-NL\";nr=5;",
+                Password = "abcd1234"
+            });
+        }
+
+        [Fact]
+        public void DifferentOrder()
+        {
+            AssertConnectionString("Username=myApplication;PrefetchCount=10;Password=1234;Port=80;VirtualHost=/test;HostName=messagebus.universe.local", new TapetiConnectionParams
+            {
+                HostName = "messagebus.universe.local",
+                Port = 80,
+                VirtualHost= "/test",
+                Username = "myApplication",
+                Password = "1234",
+                PrefetchCount= 10
+            });
+        }
+
+        [Fact]
+        public void DifferentOrderAndQuotes()
+        {
+            AssertConnectionString("Port=80;Username=myApplication;PrefetchCount=\"10\";Password=\"ab\"\"cd\";VirtualHost=\"/test\";HostName=\"messagebus.universe.local\"", new TapetiConnectionParams
+            {
+                HostName = "messagebus.universe.local",
+                Port = 80,
+                VirtualHost = "/test",
+                Username = "myApplication",
+                Password = "ab\"cd",
+                PrefetchCount = 10
+            });
+        }
+
+        private void AssertConnectionString(string connectionstring, TapetiConnectionParams expected)
+        {
+            var parsed = ConnectionStringParser.Parse(connectionstring);
+
+            Assert.Equal(expected.HostName, parsed.HostName);
+            Assert.Equal(expected.Port, parsed.Port);
+            Assert.Equal(expected.VirtualHost, parsed.VirtualHost);
+            Assert.Equal(expected.Username, parsed.Username);
+            Assert.Equal(expected.Password, parsed.Password);
+            Assert.Equal(expected.PrefetchCount, parsed.PrefetchCount);
+        }
+    }
+}
--- a/Tapeti.Tests/Tapeti.Tests.csproj
+++ b/Tapeti.Tests/Tapeti.Tests.csproj
@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\xunit.runner.visualstudio.2.2.0\build\net20\xunit.runner.visualstudio.props" Condition="Exists('..\packages\xunit.runner.visualstudio.2.2.0\build\net20\xunit.runner.visualstudio.props')" />
  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@ -12,6 +13,8 @@
    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
    <FileAlignment>512</FileAlignment>
    <TargetFrameworkProfile />
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
@ -57,6 +60,7 @@
    </Reference>
  </ItemGroup>
  <ItemGroup>
+    <Compile Include="ConnectionStringParser.cs" />
    <Compile Include="TypeNameRoutingKeyStrategyTests.cs" />
    <Compile Include="Properties\AssemblyInfo.cs" />
  </ItemGroup>
@ -69,7 +73,16 @@
      <Name>Tapeti</Name>
    </ProjectReference>
  </ItemGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\xunit.runner.visualstudio.2.2.0\build\net20\xunit.runner.visualstudio.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\xunit.runner.visualstudio.2.2.0\build\net20\xunit.runner.visualstudio.props'))" />
+  </Target>
  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
       Other similar extension points exist, see Microsoft.Common.targets.
  <Target Name="BeforeBuild">
--- a/Tapeti.Tests/packages.config
+++ b/Tapeti.Tests/packages.config
@ -6,4 +6,5 @@
  <package id="xunit.core" version="2.1.0" targetFramework="net452" />
  <package id="xunit.extensibility.core" version="2.1.0" targetFramework="net452" />
  <package id="xunit.extensibility.execution" version="2.1.0" targetFramework="net452" />
+  <package id="xunit.runner.visualstudio" version="2.2.0" targetFramework="net461" developmentDependency="true" />
 </packages>
--- a/Tapeti/Helpers/ConnectionstringParser.cs
+++ b/Tapeti/Helpers/ConnectionstringParser.cs
@ -6,7 +6,7 @@ using System.Threading.Tasks;

 namespace Tapeti.Helpers
 {
-    public class ConnectionstringParser
+    public class ConnectionStringParser
    {
        readonly TapetiConnectionParams result = new TapetiConnectionParams();

@ -16,10 +16,10 @@ namespace Tapeti.Helpers

        public static TapetiConnectionParams Parse(string connectionstring)
        {
-            return new ConnectionstringParser(connectionstring).result;
+            return new ConnectionStringParser(connectionstring).result;
        }

-        private ConnectionstringParser(string connectionstring)
+        private ConnectionStringParser(string connectionstring)
        {
            this.connectionstring = connectionstring;

@ -35,7 +35,6 @@ namespace Tapeti.Helpers

            if (current == '=')
            {
-                MoveNext();
                var value = ParseValue();
                SetValue(key, value);
            }
@ -70,21 +69,29 @@ namespace Tapeti.Helpers
        private string ParseValue()
        {
            var valueBuilder = new StringBuilder();
+
+            MoveNext();
            if (current == '"')
            {
-                while (current == '"') // support two double quotes to be an escaped quote
+                while (MoveNext())
                {
-                    while (MoveNext() && current != '"')
+                    if (current == '"')
                    {
-                        valueBuilder.Append(current);
+                        // support two double quotes to be an escaped quote
+                        if (!MoveNext() || current != '"')
+                            break;
                    }
-                    MoveNext(); // consume the trailing double quote
+                    valueBuilder.Append(current);
                }
            }
            else
            {
                while (current != ';')
+                {
                    valueBuilder.Append(current);
+                    if (!MoveNext())
+                        break;
+                }
            }

            // Always leave the ';' to be consumed by the caller
@ -113,12 +120,12 @@ namespace Tapeti.Helpers
        private void SetValue(string key, string value)
        {
            switch (key.ToLowerInvariant()) {
-                case "HostName": result.HostName = value; break;
-                case "Port": result.Port = int.Parse(value); break;
-                case "VirtualHost": result.VirtualHost = value; break;
-                case "Username": result.Username = value; break;
-                case "Password": result.Password = value; break;
-                case "PrefetchCount": result.PrefetchCount = ushort.Parse(value); break;
+                case "hostname": result.HostName = value; break;
+                case "port": result.Port = int.Parse(value); break;
+                case "virtualhost": result.VirtualHost = value; break;
+                case "username": result.Username = value; break;
+                case "password": result.Password = value; break;
+                case "prefetchcount": result.PrefetchCount = ushort.Parse(value); break;
            }
        }
    }
--- a/Test/Test.csproj
+++ b/Test/Test.csproj
@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\xunit.runner.visualstudio.2.2.0\build\net20\xunit.runner.visualstudio.props" Condition="Exists('..\packages\xunit.runner.visualstudio.2.2.0\build\net20\xunit.runner.visualstudio.props')" />
  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@ -13,6 +14,8 @@
    <FileAlignment>512</FileAlignment>
    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
    <TargetFrameworkProfile />
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <PlatformTarget>AnyCPU</PlatformTarget>
@ -86,6 +89,12 @@
    </ProjectReference>
  </ItemGroup>
  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\xunit.runner.visualstudio.2.2.0\build\net20\xunit.runner.visualstudio.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\xunit.runner.visualstudio.2.2.0\build\net20\xunit.runner.visualstudio.props'))" />
+  </Target>
  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
       Other similar extension points exist, see Microsoft.Common.targets.
  <Target Name="BeforeBuild">
--- a/Test/packages.config
+++ b/Test/packages.config
@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
  <package id="SimpleInjector" version="3.3.2" targetFramework="net461" />
+  <package id="xunit.runner.visualstudio" version="2.2.0" targetFramework="net461" developmentDependency="true" />
 </packages>