added tests

framework/Volo.Abp.sln

@@ -248,6 +248,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.Dapper.Tests", "te
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.MailKit", "src\Volo.Abp.MailKit\Volo.Abp.MailKit.csproj", "{0CAED4CC-1CFD-4092-A326-AFE4DB3A9AB4}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.MailKit.Tests", "test\Volo.Abp.MailKit.Tests\Volo.Abp.MailKit.Tests.csproj", "{70DD6E17-B98B-4B00-8F38-C489E291BB53}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -738,6 +740,10 @@ Global
 		{0CAED4CC-1CFD-4092-A326-AFE4DB3A9AB4}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{0CAED4CC-1CFD-4092-A326-AFE4DB3A9AB4}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{0CAED4CC-1CFD-4092-A326-AFE4DB3A9AB4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{70DD6E17-B98B-4B00-8F38-C489E291BB53}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{70DD6E17-B98B-4B00-8F38-C489E291BB53}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{70DD6E17-B98B-4B00-8F38-C489E291BB53}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{70DD6E17-B98B-4B00-8F38-C489E291BB53}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -864,6 +870,7 @@ Global
 		{D863A3C3-CC1D-426F-BDD4-02E7AE2A3170} = {5DF0E140-0513-4D0D-BE2E-3D4D85CD70E6}
 		{E026A085-D881-4AE0-9F08-422AC3903BD7} = {447C8A77-E5F0-4538-8687-7383196D04EA}
 		{0CAED4CC-1CFD-4092-A326-AFE4DB3A9AB4} = {5DF0E140-0513-4D0D-BE2E-3D4D85CD70E6}
+		{70DD6E17-B98B-4B00-8F38-C489E291BB53} = {447C8A77-E5F0-4538-8687-7383196D04EA}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {BB97ECF4-9A84-433F-A80B-2A3285BDD1D5}

framework/test/Volo.Abp.MailKit.Tests/Volo.Abp.MailKit.Tests.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <LangVersion>latest</LangVersion>
+    <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
+    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
+    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
+    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
+    <RootNamespace />
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Volo.Abp.MailKit\Volo.Abp.MailKit.csproj" />
+    <ProjectReference Include="..\..\src\Volo.Abp.Autofac\Volo.Abp.Autofac.csproj" />
+    <ProjectReference Include="..\AbpTestBase\AbpTestBase.csproj" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.1.1" />
+  </ItemGroup>
+
+</Project>

framework/test/Volo.Abp.MailKit.Tests/Volo/Abp/MailKit/AbpMailKitTestModule.cs

@@ -0,0 +1,13 @@
+using Volo.Abp.Autofac;
+using Volo.Abp.Modularity;
+
+namespace Volo.Abp.MailKit
+{
+    [DependsOn(
+        typeof(AbpMailKitModule),
+        typeof(AbpAutofacModule),
+        typeof(AbpTestBaseModule))]
+    public class AbpMailKitTestModule :AbpModule
+    {
+    }
+}

framework/test/Volo.Abp.MailKit.Tests/Volo/Abp/MailKit/MailKitSmtpEmailSender_Tests.cs

@@ -0,0 +1,49 @@
+using System.Net.Mail;
+using System.Threading.Tasks;
+using NSubstitute;
+using Volo.Abp.BackgroundJobs;
+using Volo.Abp.Emailing.Smtp;
+using Xunit;
+
+namespace Volo.Abp.MailKit
+{
+    //Tests are commented because those tests can pass only when a true email configuration is set.
+    public class MailKitSmtpEmailSender_Tests : AbpIntegratedTest<AbpMailKitTestModule>
+    {
+        //[Fact]
+        public async Task ShouldSendMailMessageAsync()
+        {
+            var mailSender = CreateMailKitEmailSender();
+            var mailMessage = new MailMessage("from_mail_address@asd.com", "to_mail_address@asd.com", "subject", "body")
+                { IsBodyHtml = true };
+
+            await mailSender.SendAsync(mailMessage);
+        }
+
+        //[Fact]
+        public void ShouldSendMailMessage()
+        {
+            var mailSender = CreateMailKitEmailSender();
+            var mailMessage = new MailMessage("from_mail_address@asd.com", "to_mail_address@asd.com", "subject", "body")
+                { IsBodyHtml = true };
+
+            mailSender.Send(mailMessage);
+        }
+
+        private static MailKitSmtpEmailSender CreateMailKitEmailSender()
+        {
+            var mailConfig = Substitute.For<ISmtpEmailSenderConfiguration>();
+            var mailKitConfig = Substitute.For<IAbpMailKitConfiguration>();
+            var bgJob = Substitute.For<IBackgroundJobManager>();
+
+            mailConfig.GetHostAsync().Returns("stmp_server_name");
+            mailConfig.GetUserNameAsync().Returns("mail_server_user_name");
+            mailConfig.GetPasswordAsync().Returns("mail_server_password");
+            mailConfig.GetPortAsync().Returns(587);
+            mailConfig.GetEnableSslAsync().Returns(false);
+
+            var mailSender = new MailKitSmtpEmailSender(mailConfig, bgJob, mailKitConfig);
+            return mailSender;
+        }
+    }
+}