Change default target framework to netstandard2.1

src/Microsoft.Build.Sql/sdk/Sdk.props

@@ -9,6 +9,7 @@
     <NetCoreBuild Condition="'$(NetCoreBuild)' == '' And '$(MSBuildRuntimeType)' == 'Core'">true</NetCoreBuild>
     <NetCoreBuild Condition="'$(NetCoreBuild)' == '' And '$(MSBuildRuntimeType)' == 'Full'">false</NetCoreBuild>
     <NETCoreTargetsPath Condition="$(NETCoreTargetsPath) == ''">$(MSBuildThisFileDirectory)..\tools\netstandard2.1</NETCoreTargetsPath>
+    <TargetFramework Condition="'$(TargetFramework)' == '' AND '$(NetCoreBuild)' == 'true'">netstandard2.1</TargetFramework>
   </PropertyGroup>
 
   <!-- Defaults from SSDT -->

src/Microsoft.Build.Sql/sdk/Sdk.targets

@@ -22,6 +22,7 @@
   <Import Condition="'$(NetCoreBuild)' != 'true' AND '$(SQLDBExtensionsRefPath)' == ''" Project="$(MSBuildExtensionsPath)\Microsoft\VisualStudio\v$(VisualStudioVersion)\SSDT\Microsoft.Data.Tools.Schema.SqlTasks.targets" />
 
   <Import Condition="'$(NetCoreBuild)' == 'true'" Project="$(MSBuildSdksPath)/Microsoft.NET.Sdk/targets/Microsoft.NET.DefaultAssemblyInfo.targets" />
+  <Import Condition="'$(NetCoreBuild)' == 'true'" Project="$(MSBuildSdksPath)/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets" />
   <Import Condition="'$(NetCoreBuild)' == 'true'" Project="$(MSBuildSdksPath)/NuGet.Build.Tasks.Pack/build/NuGet.Build.Tasks.Pack.targets" />
 
   <!-- Add dacpac file BuiltProjectOutputGroupOutput, so that it will get included in the NuGet package by the Pack target -->

test/Microsoft.Build.Sql.Tests/BuildTests.cs

@@ -224,5 +224,67 @@ public void VerifyBuildWithCentralPackageManagement()
             Assert.AreEqual(string.Empty, stdError);
             this.VerifyDacPackage();
         }
+
+        [Test]
+        // https://github.com/microsoft/DacFx/issues/278
+        public void VerifyBuildWithTransitiveProjectReferences()
+        {
+            string projectA = Path.Combine(WorkingDirectory, "A", "A.sqlproj");
+            string projectB = Path.Combine(WorkingDirectory, "B", "B.sqlproj");
+
+            // Add A.sqlproj as a reference in B.sqlproj
+            ProjectUtils.AddItemGroup(projectB, "ProjectReference", new string[] { projectA });
+
+            // Add B.sqlproj as a reference in the main project
+            this.AddProjectReference(projectB);
+
+            // Build and verify a.dacpac is copied to the output directory
+            int exitCode = this.RunDotnetCommandOnProject("build", out string stdOutput, out string stdError);
+            Assert.AreEqual(0, exitCode, "Build failed with error " + stdError);
+            Assert.AreEqual(string.Empty, stdError);
+            this.VerifyDacPackage();
+            FileAssert.Exists(Path.Combine(this.GetOutputDirectory(), "A.dacpac"));
+            FileAssert.Exists(Path.Combine(this.GetOutputDirectory(), "B.dacpac"));
+        }
+
+        [Test]
+        [TestCase("net46")]
+        [TestCase("net461")]
+        [TestCase("net462")]
+        [TestCase("net47")]
+        [TestCase("net471")]
+        [TestCase("net472")]
+        [TestCase("net48")]
+        [TestCase("net481")]
+        [TestCase("netstandard2.1")]
+        [TestCase("netcoreapp3.1")]
+#if NET5_0_OR_GREATER
+        [TestCase("net5.0")]
+#endif
+#if NET6_0_OR_GREATER
+        [TestCase("net6.0")]
+#endif
+#if NET7_0_OR_GREATER
+        [TestCase("net7.0")]
+#endif
+#if NET8_0_OR_GREATER
+        [TestCase("net8.0")]
+#endif
+        // https://github.com/microsoft/DacFx/issues/330
+        public void VerifyBuildWithDifferentTargetFrameworks(string targetFramework)
+        {
+
+            ProjectUtils.AddProperties(this.GetProjectFilePath(), new Dictionary<string, string>()
+            {
+                { "TargetFramework", targetFramework }
+            });
+
+            int exitCode = this.RunDotnetCommandOnProject("build", out string stdOutput, out string stdError);
+
+            // Verify success
+            Assert.AreEqual(0, exitCode, "Build failed with error " + stdError);
+            Assert.AreEqual(string.Empty, stdError);
+            this.VerifyDacPackage();
+        }
     }
 }

test/Microsoft.Build.Sql.Tests/DotnetTestBase.cs

@@ -23,7 +23,7 @@ public abstract class DotnetTestBase
 
         protected string WorkingDirectory
         {
-            get { return Path.Combine(TestContext.CurrentContext.WorkDirectory, TestContext.CurrentContext.Test.Name); }
+            get { return Path.Combine(TestContext.CurrentContext.WorkDirectory, TestUtils.EscapeTestName(TestContext.CurrentContext.Test.Name)); }
         }
 
         protected string CommonTestDataDirectory
@@ -33,7 +33,7 @@ protected string CommonTestDataDirectory
 
         protected string CurrentTestDataDirectory
         {
-            get { return Path.Combine(this.CommonTestDataDirectory, TestContext.CurrentContext.Test.Name); }
+            get { return Path.Combine(this.CommonTestDataDirectory, TestUtils.EscapeTestName(TestContext.CurrentContext.Test.Name)); }
         }
 
         [SetUp]

test/Microsoft.Build.Sql.Tests/TestData/VerifyBuildWithTransitiveProjectReferences/A/A.sqlproj

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build">
+  <Sdk Name="Microsoft.Build.Sql" Version="1.0.0" />
+  <PropertyGroup>
+    <Name>A</Name>
+    <DSP>Microsoft.Data.Tools.Schema.Sql.Sql150DatabaseSchemaProvider</DSP>
+    <ModelCollation>1033, CI</ModelCollation>
+  </PropertyGroup>
+</Project>

test/Microsoft.Build.Sql.Tests/TestData/VerifyBuildWithTransitiveProjectReferences/B/B.sqlproj

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build">
+  <Sdk Name="Microsoft.Build.Sql" Version="1.0.0" />
+  <PropertyGroup>
+    <Name>B</Name>
+    <DSP>Microsoft.Data.Tools.Schema.Sql.Sql150DatabaseSchemaProvider</DSP>
+    <ModelCollation>1033, CI</ModelCollation>
+  </PropertyGroup>
+</Project>

test/Microsoft.Build.Sql.Tests/TestUtils.cs

@@ -73,5 +73,10 @@ public static void CopyDirectoryRecursive(string sourceDirectoryPath, string tar
                 CopyDirectoryRecursive(subDir.FullName, destDirName);
             }
         }
+
+        public static string EscapeTestName(string testName)
+        {
+            return testName.Replace("\"", "_");
+        }
     }
 }