Added tests for settings package

framework/Volo.Abp.sln

@@ -216,6 +216,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.Localization.Abstr
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.Security.Tests", "test\Volo.Abp.Security.Tests\Volo.Abp.Security.Tests.csproj", "{7CE07034-7E02-4C78-B981-F1039412CA5E}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.Settings.Tests", "test\Volo.Abp.Settings.Tests\Volo.Abp.Settings.Tests.csproj", "{5F3A2D1E-EA89-40A7-8D2F-FB4EB2092403}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -610,6 +612,10 @@ Global
 		{7CE07034-7E02-4C78-B981-F1039412CA5E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7CE07034-7E02-4C78-B981-F1039412CA5E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7CE07034-7E02-4C78-B981-F1039412CA5E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5F3A2D1E-EA89-40A7-8D2F-FB4EB2092403}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5F3A2D1E-EA89-40A7-8D2F-FB4EB2092403}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5F3A2D1E-EA89-40A7-8D2F-FB4EB2092403}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5F3A2D1E-EA89-40A7-8D2F-FB4EB2092403}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -714,6 +720,7 @@ Global
 		{882E82F1-1A57-4BB9-B126-4CBF700C8F0C} = {5DF0E140-0513-4D0D-BE2E-3D4D85CD70E6}
 		{20513A4E-FAC7-4106-8976-5D79A3BDFED1} = {5DF0E140-0513-4D0D-BE2E-3D4D85CD70E6}
 		{7CE07034-7E02-4C78-B981-F1039412CA5E} = {447C8A77-E5F0-4538-8687-7383196D04EA}
+		{5F3A2D1E-EA89-40A7-8D2F-FB4EB2092403} = {447C8A77-E5F0-4538-8687-7383196D04EA}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {BB97ECF4-9A84-433F-A80B-2A3285BDD1D5}

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

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <LangVersion>latest</LangVersion>
+    <AssemblyName>Volo.Abp.Settings.Tests</AssemblyName>
+    <PackageId>Volo.Abp.Settings.Tests</PackageId>
+    <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
+    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
+    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
+    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
+    <RootNamespace />
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AbpTestBase\AbpTestBase.csproj" />
+    <ProjectReference Include="..\..\src\Volo.Abp.Settings\Volo.Abp.Settings.csproj" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.2" />
+  </ItemGroup>
+
+</Project>

framework/test/Volo.Abp.Settings.Tests/Volo/Abp/Settings/AbpSettingsTestModule.cs

@@ -0,0 +1,20 @@
+using Volo.Abp.Modularity;
+
+namespace Volo.Abp.Settings
+{
+    [DependsOn(
+        typeof(AbpSettingsModule),
+        typeof(AbpTestBaseModule)
+        )]
+    public class AbpSettingsTestModule : AbpModule
+    {
+        public override void ConfigureServices(ServiceConfigurationContext context)
+        {
+            Configure<SettingOptions>(options =>
+            {
+                options.ValueProviders.Add<TestSettingValueProvider>();
+                options.DefinitionProviders.Add<TestSettingDefinitionProvider>();
+            });
+        }
+    }
+}

framework/test/Volo.Abp.Settings.Tests/Volo/Abp/Settings/SettingManager_Tests.cs

@@ -0,0 +1,49 @@
+using System.Threading.Tasks;
+using Shouldly;
+using Xunit;
+
+namespace Volo.Abp.Settings
+{
+    public class SettingManager_Tests : AbpIntegratedTest<AbpSettingsTestModule>
+    {
+        private readonly ISettingManager _settingManager;
+
+        public SettingManager_Tests()
+        {
+            _settingManager = GetRequiredService<ISettingManager>();
+        }
+
+        [Fact]
+        public async Task Should_Get_Null_If_No_Value_Provided_And_No_Default_Value()
+        {
+            (await _settingManager.GetOrNullAsync(TestSettingNames.TestSettingWithoutDefaultValue))
+                .ShouldBeNull();
+        }
+
+        [Fact]
+        public async Task Should_Get_Default_Value_If_No_Value_Provided_And_There_Is_A_Default_Value()
+        {
+            (await _settingManager.GetOrNullAsync(TestSettingNames.TestSettingWithDefaultValue))
+                .ShouldBe("default-value");
+        }
+
+        [Fact]
+        public async Task Should_Set_And_Get_Encrypted_Values()
+        {
+            (await _settingManager.GetOrNullAsync(TestSettingNames.TestSettingEncrypted))
+                .ShouldBeNull();
+
+            await _settingManager.SetAsync(
+                TestSettingNames.TestSettingEncrypted,
+                "abc",
+                TestSettingValueProvider.ProviderName,
+                null
+            );
+
+            (await _settingManager.GetOrNullAsync(TestSettingNames.TestSettingEncrypted))
+                .ShouldBe("abc");
+        }
+
+        //TODO: Needs more tests with more advanced scenarios.
+    }
+}

framework/test/Volo.Abp.Settings.Tests/Volo/Abp/Settings/TestSettingDefinitionProvider.cs

@@ -0,0 +1,14 @@
+namespace Volo.Abp.Settings
+{
+    public class TestSettingDefinitionProvider : SettingDefinitionProvider
+    {
+        public override void Define(ISettingDefinitionContext context)
+        {
+            context.Add(
+                new SettingDefinition(TestSettingNames.TestSettingWithoutDefaultValue),
+                new SettingDefinition(TestSettingNames.TestSettingWithDefaultValue, "default-value"),
+                new SettingDefinition(TestSettingNames.TestSettingEncrypted, isEncrypted: true)
+            );
+        }
+    }
+}

framework/test/Volo.Abp.Settings.Tests/Volo/Abp/Settings/TestSettingNames.cs

@@ -0,0 +1,9 @@
+namespace Volo.Abp.Settings
+{
+    public static class TestSettingNames
+    {
+        public const string TestSettingWithoutDefaultValue = "TestSettingWithoutDefaultValue";
+        public const string TestSettingWithDefaultValue = "TestSettingWithDefaultValue";
+        public const string TestSettingEncrypted = "TestSettingEncrypted";
+    }
+}

framework/test/Volo.Abp.Settings.Tests/Volo/Abp/Settings/TestSettingValueProvider.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Volo.Abp.DependencyInjection;
+
+namespace Volo.Abp.Settings
+{
+    public class TestSettingValueProvider : ISettingValueProvider, ITransientDependency
+    {
+        public const string ProviderName = "Test";
+
+        private readonly Dictionary<string, string> _values;
+
+        public string Name => ProviderName;
+
+        public TestSettingValueProvider() 
+        {
+            _values = new Dictionary<string, string>();
+        }
+
+        public Task<string> GetOrNullAsync(SettingDefinition setting, string providerKey)
+        {
+            return Task.FromResult(_values.GetOrDefault(setting.Name));
+        }
+
+        public Task SetAsync(SettingDefinition setting, string value, string providerKey)
+        {
+            _values[setting.Name] = value;
+            return Task.CompletedTask;
+        }
+
+        public Task ClearAsync(SettingDefinition setting, string providerKey)
+        {
+            _values.Remove(setting.Name);
+            return Task.CompletedTask;
+        }
+    }
+}