fix build

Mandrill.net.sln

@@ -1,22 +1,19 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26228.4
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.7.34302.85
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{3D7BA565-AE66-447A-AF77-81106169A83A}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{A359CB29-3E2A-4A41-A897-725C5A0888C6}"
-	ProjectSection(SolutionItems) = preProject
-		.travis.yml = .travis.yml
-		appveyor.yml = appveyor.yml
-	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{EF1B7483-88D5-4E7B-A194-E7375C9E1227}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Tests", "tests\Tests.csproj", "{46BA8A52-1F53-4099-9F62-540D149F287D}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Mandrill.net", "src\Mandrill.net\Mandrill.net.csproj", "{29C93DA7-379F-40CA-9BF3-0F6AA006E28E}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mandrill.net.Extensions.DependencyInjection", "src\Mandrill.net.Extensions.DependencyInjection\Mandrill.net.Extensions.DependencyInjection.csproj", "{2D86B07D-408A-4239-AEB7-143DA31362BC}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Mandrill.net.Extensions.DependencyInjection", "src\Mandrill.net.Extensions.DependencyInjection\Mandrill.net.Extensions.DependencyInjection.csproj", "{2D86B07D-408A-4239-AEB7-143DA31362BC}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

src/Mandrill.net/Mandrill.net.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionPrefix>8.2.0</VersionPrefix>
+    <VersionPrefix>8.3.0</VersionPrefix>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -29,13 +29,6 @@
 
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="[12.0.1,)" />
-  </ItemGroup>
-
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
-    <Reference Include="System.Runtime.Serialization" />
-    <Reference Include="System.Net.Http" />
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
+    <PackageReference Include="Newtonsoft.Json" Version="[13.0.3,)" />
   </ItemGroup>
 </Project>

src/Mandrill.net/Model/Messages/MandrillAttachment.cs

@@ -6,9 +6,9 @@ public class MandrillAttachment
     {
         public MandrillAttachment()
         {
-          
+
         }
-       
+
         public MandrillAttachment(string type, string name, byte[] content)
         {
             Type = type;

src/Mandrill.net/Model/Messages/MandrillAttachmentType.cs

@@ -42,7 +42,7 @@ public enum MandrillAttachmentType
     public class MandrillAttachmentMime
     {
         public static string GetMimeType(MandrillAttachmentType mime) => _mimeTypes[mime.ToString()];
-         static Dictionary<string, string> _mimeTypes = new Dictionary<string, string>{
+        static Dictionary<string, string> _mimeTypes = new Dictionary<string, string>{
             { "Jpg", "image/jpeg" },
             { "Jpeg", "image/jpeg" },
             { "Png", "image/png" },
@@ -73,6 +73,6 @@ public class MandrillAttachmentMime
             { "Mp4", "video/mp4" },
             { "Avi", "video/x-msvideo" }
       };
-        
+
     }
 }

tests/AttachMimeTypes.cs

@@ -12,20 +12,20 @@
 {
     [Trait("Category", "AttachMimeTypes")]
     [Collection("AttachMimeTypes")]
-    public class AttachMimeTypes 
+    public class AttachMimeTypes
     {
         [Fact]
         public void AreAllEnumValuesPresent_ShouldReturnTrueWhenAllValuesPresent()
         {
             foreach (MandrillAttachmentType myType in Enum.GetValues(typeof(MandrillAttachmentType)))
             {
                 try
-                {             
-                MandrillAttachmentMime.GetMimeType(myType);
+                {
+                    MandrillAttachmentMime.GetMimeType(myType);
                 }
                 catch (Exception ex)
                 {
-                    Assert.True(false, $"{myType} is not in MandrillAttachmentMime dictionary");
+                    Assert.Fail($"{myType} is not in MandrillAttachmentMime dictionary");
                 }
             }
             Assert.True(true);

tests/IntegrationTest.cs

@@ -29,7 +29,7 @@ protected IntegrationTest(ITestOutputHelper output)
             var apiKey = Environment.GetEnvironmentVariable("MANDRILL_API_KEY");
             if (string.IsNullOrEmpty(apiKey))
             {
-                Assert.True(false, "You must set the user environment variable MANDRILL_API_KEY in order to run these tests. " +
+                Assert.Fail("You must set the user environment variable MANDRILL_API_KEY in order to run these tests. " +
                                             "Go to https://mandrillapp.com/ to obtain an api key.");
             }
             return apiKey;

tests/MandrillApiTest.cs

@@ -59,7 +59,7 @@ public async Task MandrillApi_ctor_non_default_client_controls_its_lifecycle()
             }
             catch (ObjectDisposedException)
             {
-                Assert.False(true, "Should not have been disposed");
+                Assert.Fail("Should not have been disposed");
             }
             catch (HttpRequestException)
             {

tests/Messages.cs

@@ -30,7 +30,7 @@ void AssertResults(IEnumerable<MandrillSendMessageResponse> result)
             {
                 if (response.Status == MandrillSendMessageResponseStatus.Invalid)
                 {
-                    Assert.True(false, "invalid email: " + response.RejectReason);
+                    Assert.Fail("invalid email: " + response.RejectReason);
                 }
                 if (response.Status == MandrillSendMessageResponseStatus.Rejected &&
         response.RejectReason == "unsigned")
@@ -40,7 +40,7 @@ void AssertResults(IEnumerable<MandrillSendMessageResponse> result)
                 }
                 if (response.Status == MandrillSendMessageResponseStatus.Rejected)
                 {
-                    Assert.True(false, "rejected email: " + response.RejectReason);
+                    Assert.Fail("rejected email: " + response.RejectReason);
 
                 }
 
@@ -50,7 +50,7 @@ void AssertResults(IEnumerable<MandrillSendMessageResponse> result)
                     break;
                 }
 
-                Assert.True(false, "Unexptected status:" + response.Status);
+                Assert.Fail("Unexptected status:" + response.Status);
             }
         }
 
@@ -390,11 +390,11 @@ public async Task Can_send_message()
                 };
                 message.Images.Add(new MandrillImage("image/png", "mandrill_logo", TestData.PngImage));
                 message.Attachments.Add(new MandrillAttachment("text/plain", "message.txt", Encoding.UTF8.GetBytes("This is an attachment.\n")));
-                message.Attachments.Add(new MandrillAttachment(MandrillAttachmentType.Txt, "message.txt", Encoding.UTF8.GetBytes("This is an attachment.\n")));
+                message.Attachments.Add(new MandrillAttachment(MandrillAttachmentType.Txt, "message2.txt", Encoding.UTF8.GetBytes("This is also an attachment.\n")));
 
                 var result = await Api.Messages.SendAsync(message);
 
-                result.Should().HaveCount(3);
+                result.Should().HaveCount(2);
                 AssertResults(result);
             }