Unity Package Manager client and integration test.

Added thread safe client for the Unity Package Manager that can be
compiled into a DLL that works across multiple Unity versions.

Bug: 150471207
Change-Id: Ifa66403a9c9881c1aead23d8fbf248141e6fe9d1

Author: Stewart Miles

build.gradle

@@ -1715,7 +1715,8 @@ createNUnitTask(
 Task compileUnityPackageManagerResolverTests = createXbuildTask(
     "compileUnityPackageManagerResolverTests",
     "Compile tests for UnityPackageManagerResolver.",
-    project.ext.pluginSolutionFile, "UnityPackageManagerResolverTests",
+    project.ext.pluginSolutionFile,
+    "UnityPackageManagerResolverTests",
     fileTree(new File(
                new File(
                  new File(project.ext.pluginSourceDir,
@@ -1849,6 +1850,19 @@ createUnityIntegrationTest(
     "source/AndroidResolver/test/AndroidResolverIntegrationTestsUnityProject"),
   ["-buildTarget", "android"])
 
+createUnityIntegrationTest(
+  "testUnityPackageManagerClientIntegrationTests",
+  ("Imports the plugin into a Unity project and uses the Unity Package " +
+   "Manager client to list, search, install and remove packages. "),
+  [compileUnityPackageManagerResolver],
+  "UnityPackageManagerClientIntegrationTests",
+  fileTree(new File(new File(new File(project.ext.pluginSourceDir,
+                             "UnityPackageManagerResolver"), "test"),
+                    "UnityPackageManagerClientIntegrationTests")),
+  [new File("Google.UnityPackageManagerClientIntegrationTests.dll"),
+   new File("Google.UnityPackageManagerClientIntegrationTests.dll.mdb")],
+  null, [])
+
 task cleanTests(type: Delete) {
   description "Clean test directories."
   delete project.ext.testDir

source/ExternalDependencyManager.sln

@@ -23,6 +23,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UnityPackageManagerResolver
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UnityPackageManagerResolverTests", "UnityPackageManagerResolver\unit_tests\UnityPackageManagerResolverTests.csproj", "{FEECDCE1-F528-4931-A4CF-808DDBCE1A8D}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UnityPackageManagerClientIntegrationTests", "UnityPackageManagerResolver\test\UnityPackageManagerClientIntegrationTests.csproj", "{00A0DB5E-1120-24C9-331A-BE692C1F7C01}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -73,5 +75,9 @@ Global
 		{FEECDCE1-F528-4931-A4CF-808DDBCE1A8D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{FEECDCE1-F528-4931-A4CF-808DDBCE1A8D}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{FEECDCE1-F528-4931-A4CF-808DDBCE1A8D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{00A0DB5E-1120-24C9-331A-BE692C1F7C01}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{00A0DB5E-1120-24C9-331A-BE692C1F7C01}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{00A0DB5E-1120-24C9-331A-BE692C1F7C01}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{00A0DB5E-1120-24C9-331A-BE692C1F7C01}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

source/UnityPackageManagerResolver/Properties/AssemblyInfo.cs

@@ -54,4 +54,4 @@
 // </copyright>[assembly: AssemblyKeyFile("")]
 
 [assembly: InternalsVisibleTo("Google.UnityPackageManagerResolverTests")]
-
+[assembly: InternalsVisibleTo("Google.UnityPackageManagerClientIntegrationTests")]

source/UnityPackageManagerResolver/UnityPackageManagerResolver.csproj

@@ -61,6 +61,7 @@
   <ItemGroup>
     <Compile Include="src\PackageManifestModifier.cs" />
     <Compile Include="src\SettingsDialog.cs" />
+    <Compile Include="src\UnityPackageManagerClient.cs" />
     <Compile Include="src\UnityPackageManagerResolver.cs" />
     <Compile Include="src\XmlUnityPackageManagerRegistries.cs" />
     <Compile Include="src\UnityPackageManagerRegistry.cs" />