public void FetchPackage_VersionSpecified_CorrectVersionSelected()
{
string sourceNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.source");
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
IPackageManager mgr = CreatePackageManager(sourceNuGetRoot);
AddPackage(mgr, "package.id.1", "0.8.0");
AddPackage(mgr, "package.id.1", "1.0.0-rc1");
AddPackage(mgr, "package.id.1", "2.0.0");
AddPackage(mgr, "dummy.package.1", "0.8.0");
AddPackage(mgr, "package.id.1", "0.9.0");
AddPackage(mgr, "package.id.1", "1.0.0");
NuGetPackageHandler handler = new NuGetPackageHandler(sourceNuGetRoot, new TestLogger());
// Check for specific versions
IPackage actual = handler.FetchPackage("package.id.1", new SemanticVersion("0.8.0"), targetNuGetRoot);
AssertExpectedPackage(actual, "package.id.1", "0.8.0");
actual = handler.FetchPackage("package.id.1", new SemanticVersion("1.0.0-rc1"), targetNuGetRoot);
AssertExpectedPackage(actual, "package.id.1", "1.0.0-rc1");
actual = handler.FetchPackage("package.id.1", new SemanticVersion("2.0.0"), targetNuGetRoot);
AssertExpectedPackage(actual, "package.id.1", "2.0.0");
}
public void FetchPackage_VersionSpecified_CorrectVersionSelected()
{
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
RemoteRepoBuilder remoteRepoBuilder = new RemoteRepoBuilder(this.TestContext);
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "0.8.0");
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "1.0.0-rc1");
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "2.0.0");
BuildAndInstallPackage(remoteRepoBuilder, "dummy.package.1", "0.8.0");
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "0.9.0");
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "1.0.0");
NuGetPackageHandler handler = new NuGetPackageHandler(remoteRepoBuilder.FakeRemoteRepo, targetNuGetRoot, new TestLogger());
// Check for specific versions
IPackage actual = handler.FetchPackage("package.id.1", new SemanticVersion("0.8.0"));
AssertExpectedPackage(actual, "package.id.1", "0.8.0");
actual = handler.FetchPackage("package.id.1", new SemanticVersion("1.0.0-rc1"));
AssertExpectedPackage(actual, "package.id.1", "1.0.0-rc1");
actual = handler.FetchPackage("package.id.1", new SemanticVersion("2.0.0"));
AssertExpectedPackage(actual, "package.id.1", "2.0.0");
}
public void GetDependencies_DependenciesNotInstalledLocally_Warning()
{
// Arrange
string targetNuGetRoot = TestUtils.CreateTestDirectory(TestContext, ".nuget.target");
RemoteRepoBuilder remoteRepoBuilder = new RemoteRepoBuilder(TestContext);
string dummyContentFile = CreateDummyContentFile();
IEnumerable <IPackage> actualDependencies;
// Build a dependency graph: "main" depends on "dependency"
IPackage dependencyPackage = remoteRepoBuilder.CreatePackage("dependency.package.id", "1.2", dummyContentFile, RemoteRepoBuilder.License.Required /* no dependencies */);
IPackage mainPackage = remoteRepoBuilder.CreatePackage("a", "2.0", dummyContentFile, RemoteRepoBuilder.License.NotRequired, dependencyPackage);
// 1. Dependencies have not been installed locally -> warning but no error
TestLogger logger = new TestLogger();
NuGetPackageHandler testSubject = new NuGetPackageHandler(remoteRepoBuilder.FakeRemoteRepo, targetNuGetRoot, logger);
actualDependencies = testSubject.GetInstalledDependencies(mainPackage);
AssertExpectedPackageIds(actualDependencies /* no dependencies resolved*/);
logger.AssertErrorsLogged(0);
logger.AssertWarningsLogged(1);
logger.AssertSingleWarningExists("dependency.package.id");
// 2. Now install the package -> dependencies should resolve ok
logger = new TestLogger();
testSubject = new NuGetPackageHandler(remoteRepoBuilder.FakeRemoteRepo, targetNuGetRoot, logger);
testSubject.FetchPackage(mainPackage.Id, mainPackage.Version);
actualDependencies = testSubject.GetInstalledDependencies(mainPackage);
AssertExpectedPackageIds(actualDependencies, "dependency.package.id");
logger.AssertErrorsLogged(0);
logger.AssertWarningsLogged(0);
}
public void FetchPackage_PackageNotFound_NullReturned()
{
// Arrange
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
RemoteRepoBuilder remoteRepoBuilder = new RemoteRepoBuilder(this.TestContext);
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "0.8.0");
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "0.9.0");
NuGetPackageHandler handler = new NuGetPackageHandler(remoteRepoBuilder.FakeRemoteRepo, targetNuGetRoot, new TestLogger());
// 1. Package id not found
IPackage actual = handler.FetchPackage("unknown.package.id", new SemanticVersion("0.8.0"));
Assert.IsNull(actual, "Not expecting a package to be found");
// 2. Package id not found
actual = handler.FetchPackage("package.id.1", new SemanticVersion("0.7.0"));
Assert.IsNull(actual, "Not expecting a package to be found");
}
public void FetchPackage_PackageNotFound_NullReturned()
{
// Arrange
string sourceNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.source");
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
IPackageManager mgr = CreatePackageManager(sourceNuGetRoot);
AddPackage(mgr, "package.id.1", "0.8.0");
AddPackage(mgr, "package.id.1", "0.9.0");
NuGetPackageHandler handler = new NuGetPackageHandler(sourceNuGetRoot, new TestLogger());
// 1. Package id not found
IPackage actual = handler.FetchPackage("unknown.package.id", new SemanticVersion("0.8.0"), targetNuGetRoot);
Assert.IsNull(actual, "Not expecting a package to be found");
// 2. Package id not found
actual = handler.FetchPackage("package.id.1", new SemanticVersion("0.7.0"), targetNuGetRoot);
Assert.IsNull(actual, "Not expecting a package to be found");
}
public void NuGet_TestDependencyResolutionFailure()
{
// Arrange
string testDir = TestUtils.CreateTestDirectory(this.TestContext);
TestLogger logger = new TestLogger();
NuGetPackageHandler handler = new NuGetPackageHandler(testDir, logger);
// Act
// Fetch a package that should fail due to pre-release dependencies
IPackage package = handler.FetchPackage("codeCracker", null, testDir);
// Assert
// No files should have been downloaded
Assert.IsTrue(Directory.GetFiles(testDir, "*.*", SearchOption.AllDirectories).Length == 0);
Assert.IsNull(package);
}
public void NuGet_TestDependencyResolutionFailure()
{
// Arrange
string testDir = TestUtils.CreateTestDirectory(this.TestContext);
TestLogger logger = new TestLogger();
NuGetPackageHandler handler = new NuGetPackageHandler(logger);
// Act
// Fetch a package that should fail due to pre-release dependencies
IPackage package = handler.FetchPackage(AnalyzerPluginGenerator.NuGetPackageSource, "codeCracker", null, testDir);
// Assert
// No files should have been downloaded
Assert.IsTrue(Directory.GetFiles(testDir).Length == 0);
Assert.IsNull(package);
}
public void GetDependencies_DependenciesInstalledLocally_Succeeds()
{
// Arrange
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
RemoteRepoBuilder remoteRepoBuilder = new RemoteRepoBuilder(this.TestContext);
string dummyContentFile = CreateDummyContentFile();
// Build a dependency graph
// A depends on B
// B depends on C, D, E
// D also depends on E => duplicate dependency
// E depends on F
// -> expected [B, C, D, E, F]
// Leaf nodes
IPackage f = remoteRepoBuilder.CreatePackage("f", "1.0", dummyContentFile, RemoteRepoBuilder.License.NotRequired /* no dependencies */);
IPackage c = remoteRepoBuilder.CreatePackage("c", "1.0", dummyContentFile, RemoteRepoBuilder.License.NotRequired /* no dependencies */);
IPackage e = remoteRepoBuilder.CreatePackage("e", "1.0", dummyContentFile, RemoteRepoBuilder.License.Required, f);
IPackage d = remoteRepoBuilder.CreatePackage("d", "1.1", dummyContentFile, RemoteRepoBuilder.License.Required, e);
IPackage b = remoteRepoBuilder.CreatePackage("b", "1.2", dummyContentFile, RemoteRepoBuilder.License.Required, c, d, e);
IPackage a = remoteRepoBuilder.CreatePackage("a", "2.0", dummyContentFile, RemoteRepoBuilder.License.NotRequired, b);
NuGetPackageHandler testSubject = new NuGetPackageHandler(remoteRepoBuilder.FakeRemoteRepo, targetNuGetRoot, new TestLogger());
// We assume that all of the packages have been installed locally we attempt to resolve the dependencies
testSubject.FetchPackage("a", new SemanticVersion("2.0"));
// 1. Package with no dependencies -> empty list
IEnumerable <IPackage> actualDependencies = testSubject.GetInstalledDependencies(f);
AssertExpectedPackageIds(actualDependencies /* none */);
// 2. Package with only direct dependencies -> non-empty list
actualDependencies = testSubject.GetInstalledDependencies(e);
AssertExpectedPackageIds(actualDependencies, "f");
// 3. Package with indirect dependencies -> non-empty list
actualDependencies = testSubject.GetInstalledDependencies(a);
AssertExpectedPackageIds(actualDependencies, "b", "c", "d", "e", "f");
}
public void FetchPackage_VersionNotSpecified_NoReleaseVersions_LastPreReleaseVersionSelected()
{
// Arrange
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
RemoteRepoBuilder remoteRepoBuilder = new RemoteRepoBuilder(this.TestContext);
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "0.9.0-rc1");
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "1.0.0-rc1");
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "1.1.0-rc1");
BuildAndInstallPackage(remoteRepoBuilder, "dummy.package.1", "2.0.0");
BuildAndInstallPackage(remoteRepoBuilder, "dummy.package.1", "2.0.0-rc2");
NuGetPackageHandler handler = new NuGetPackageHandler(remoteRepoBuilder.FakeRemoteRepo, targetNuGetRoot, new TestLogger());
// Act
IPackage actual = handler.FetchPackage("package.id.1", null);
// Assert
AssertExpectedPackage(actual, "package.id.1", "1.1.0-rc1");
}
public void NuGet_TestPackageDownload_PreRelease_Release()
{
// Arrange
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
// Create test NuGet payload and packages
IPackageRepository fakeRemoteRepo = CreateTestPackageWithSingleDependency(PreReleaseVersion, ReleaseVersion);
TestLogger logger = new TestLogger();
NuGetPackageHandler handler = new NuGetPackageHandler(fakeRemoteRepo, targetNuGetRoot, logger);
// Act
// Attempt to download a package which is not released with a dependency that is released
IPackage package = handler.FetchPackage(DependentPackageId, null);
// Assert
AssertExpectedPackage(package, DependentPackageId, PreReleaseVersion);
// Packages should have been downloaded
AssertPackageDownloaded(targetNuGetRoot, DependentPackageId, PreReleaseVersion);
AssertPackageDownloaded(targetNuGetRoot, TestPackageId, ReleaseVersion);
}
public void NuGet_TestPackageDownload_PreRelease_PreRelease()
{
// Arrange
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
// Create test NuGet payload and packages
IPackageRepository fakeRemoteRepo = CreateTestPackageWithSingleDependency(PreReleaseVersion, PreReleaseVersion);
TestLogger logger = new TestLogger();
NuGetPackageHandler handler = new NuGetPackageHandler(fakeRemoteRepo, targetNuGetRoot, logger);
// Act
// Attempt to download a package which is not released with a dependency that is not released
IPackage package = handler.FetchPackage(DependentPackageId, null);
// Assert
AssertExpectedPackage(package, DependentPackageId, PreReleaseVersion);
// Packages should have been downloaded
AssertPackageDownloaded(targetNuGetRoot, DependentPackageId, PreReleaseVersion);
AssertPackageDownloaded(targetNuGetRoot, TestPackageId, PreReleaseVersion);
}
public void FetchPackage_VersionNotSpecified_NoReleaseVersions_LastPreReleaseVersionSelected()
{
// Arrange
string sourceNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.source");
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
IPackageManager mgr = CreatePackageManager(sourceNuGetRoot);
AddPackage(mgr, "package.id.1", "0.9.0-rc1");
AddPackage(mgr, "package.id.1", "1.0.0-rc1");
AddPackage(mgr, "package.id.1", "1.1.0-rc1");
AddPackage(mgr, "dummy.package.1", "2.0.0");
AddPackage(mgr, "dummy.package.1", "2.0.0-rc2");
NuGetPackageHandler handler = new NuGetPackageHandler(sourceNuGetRoot, new TestLogger());
// Act
IPackage actual = handler.FetchPackage("package.id.1", null, targetNuGetRoot);
// Assert
AssertExpectedPackage(actual, "package.id.1", "1.1.0-rc1");
}
public void NuGet_TestPackageDownload_PreRelease_PreRelease()
{
// Arrange
string testDir = TestUtils.CreateTestDirectory(this.TestContext);
string testDownloadDir = Path.Combine(testDir, "download");
// Create test NuGet payload and packages
BuildTestPackages(false, false);
TestLogger logger = new TestLogger();
NuGetPackageHandler handler = new NuGetPackageHandler(testDir, logger);
// Act
// Attempt to download a package which is not released with a dependency that is not released
IPackage package = handler.FetchPackage(DependentPackageName, null, testDownloadDir);
// Assert
AssertExpectedPackage(package, DependentPackageName, PreReleaseVersion);
// Packages should have been downloaded
AssertPackageDownloaded(testDownloadDir, DependentPackageName, PreReleaseVersion);
AssertPackageDownloaded(testDownloadDir, TestPackageName, PreReleaseVersion);
}
public void NuGet_TestPackageDownload_PreRelease_Release()
{
// Arrange
string testDir = TestUtils.CreateTestDirectory(this.TestContext);
string testDownloadDir = Path.Combine(testDir, "download");
// Create test NuGet payload and packages
BuildTestPackages(false, true);
TestLogger logger = new TestLogger();
NuGetPackageHandler handler = new NuGetPackageHandler(testDir, logger);
// Act
// Attempt to download a package which is not released with a dependency that is released
IPackage package = handler.FetchPackage(DependentPackageName, null, testDownloadDir);
// Assert
AssertExpectedPackage(package, DependentPackageName, PreReleaseVersion);
// Packages should have been downloaded
AssertPackageDownloaded(testDownloadDir, DependentPackageName, PreReleaseVersion);
AssertPackageDownloaded(testDownloadDir, TestPackageName, ReleaseVersion);
}
public void FetchPackage_VersionNotSpecified_ReleaseVersionExists_LastReleaseVersionSelected()
{
// Arrange
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
RemoteRepoBuilder remoteRepoBuilder = new RemoteRepoBuilder(this.TestContext);
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "0.8.0");
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "0.9.0-rc1");
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "1.0.0");
BuildAndInstallPackage(remoteRepoBuilder, "package.id.1", "1.1.0-rc1");
BuildAndInstallPackage(remoteRepoBuilder, "dummy.package.1", "2.0.0");
NuGetPackageHandler handler = new NuGetPackageHandler(remoteRepoBuilder.FakeRemoteRepo, targetNuGetRoot, new TestLogger());
// Act
IPackage actual = handler.FetchPackage("package.id.1", null);
// Assert
AssertExpectedPackage(actual, "package.id.1", "1.0.0");
}
public void GetDependencies_DependenciesInstalledLocally_Succeeds()
{
// Arrange
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
RemoteRepoBuilder remoteRepoBuilder = new RemoteRepoBuilder(this.TestContext);
string dummyContentFile = CreateDummyContentFile();
// Build a dependency graph
// A depends on B
// B depends on C, D, E
// D also depends on E => duplicate dependency
// E depends on F
// -> expected [B, C, D, E, F]
// Leaf nodes
IPackage f = remoteRepoBuilder.CreatePackage("f", "1.0", dummyContentFile, RemoteRepoBuilder.License.NotRequired /* no dependencies */);
IPackage c = remoteRepoBuilder.CreatePackage("c", "1.0", dummyContentFile, RemoteRepoBuilder.License.NotRequired /* no dependencies */);
IPackage e = remoteRepoBuilder.CreatePackage("e", "1.0", dummyContentFile, RemoteRepoBuilder.License.Required, f);
IPackage d = remoteRepoBuilder.CreatePackage("d", "1.1", dummyContentFile, RemoteRepoBuilder.License.Required, e);
IPackage b = remoteRepoBuilder.CreatePackage("b", "1.2", dummyContentFile, RemoteRepoBuilder.License.Required, c, d, e);
IPackage a = remoteRepoBuilder.CreatePackage("a", "2.0", dummyContentFile, RemoteRepoBuilder.License.NotRequired, b);
NuGetPackageHandler testSubject = new NuGetPackageHandler(remoteRepoBuilder.FakeRemoteRepo, targetNuGetRoot, new TestLogger());
// We assume that all of the packages have been installed locally we attempt to resolve the dependencies
testSubject.FetchPackage("a", new SemanticVersion("2.0"));
// 1. Package with no dependencies -> empty list
IEnumerable<IPackage> actualDependencies = testSubject.GetInstalledDependencies(f);
AssertExpectedPackageIds(actualDependencies /* none */);
// 2. Package with only direct dependencies -> non-empty list
actualDependencies = testSubject.GetInstalledDependencies(e);
AssertExpectedPackageIds(actualDependencies, "f");
// 3. Package with indirect dependencies -> non-empty list
actualDependencies = testSubject.GetInstalledDependencies(a);
AssertExpectedPackageIds(actualDependencies, "b", "c", "d", "e", "f");
}
public void GetDependencies_DependenciesNotInstalledLocally_Warning()
{
// Arrange
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
RemoteRepoBuilder remoteRepoBuilder = new RemoteRepoBuilder(this.TestContext);
string dummyContentFile = CreateDummyContentFile();
IEnumerable<IPackage> actualDependencies;
// Build a dependency graph: "main" depends on "dependency"
IPackage dependencyPackage = remoteRepoBuilder.CreatePackage("dependency.package.id", "1.2", dummyContentFile, RemoteRepoBuilder.License.Required /* no dependencies */);
IPackage mainPackage = remoteRepoBuilder.CreatePackage("a", "2.0", dummyContentFile, RemoteRepoBuilder.License.NotRequired, dependencyPackage);
// 1. Dependencies have not been installed locally -> warning but no error
TestLogger logger = new TestLogger();
NuGetPackageHandler testSubject = new NuGetPackageHandler(remoteRepoBuilder.FakeRemoteRepo, targetNuGetRoot, logger);
actualDependencies = testSubject.GetInstalledDependencies(mainPackage);
AssertExpectedPackageIds(actualDependencies /* no dependencies resolved*/);
logger.AssertErrorsLogged(0);
logger.AssertWarningsLogged(1);
logger.AssertSingleWarningExists("dependency.package.id");
// 2. Now install the package -> dependencies should resolve ok
logger = new TestLogger();
testSubject = new NuGetPackageHandler(remoteRepoBuilder.FakeRemoteRepo, targetNuGetRoot, logger);
testSubject.FetchPackage(mainPackage.Id, mainPackage.Version);
actualDependencies = testSubject.GetInstalledDependencies(mainPackage);
AssertExpectedPackageIds(actualDependencies, "dependency.package.id");
logger.AssertErrorsLogged(0);
logger.AssertWarningsLogged(0);
}
public void FetchPackage_VersionSpecified_CorrectVersionSelected()
{
string sourceNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.source");
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
IPackageManager mgr = CreatePackageManager(sourceNuGetRoot);
BuildAndInstallPackage(mgr, "package.id.1", "0.8.0");
BuildAndInstallPackage(mgr, "package.id.1", "1.0.0-rc1");
BuildAndInstallPackage(mgr, "package.id.1", "2.0.0");
BuildAndInstallPackage(mgr, "dummy.package.1", "0.8.0");
BuildAndInstallPackage(mgr, "package.id.1", "0.9.0");
BuildAndInstallPackage(mgr, "package.id.1", "1.0.0");
NuGetPackageHandler handler = new NuGetPackageHandler(sourceNuGetRoot, new TestLogger());
// Check for specific versions
IPackage actual = handler.FetchPackage("package.id.1", new SemanticVersion("0.8.0"), targetNuGetRoot);
AssertExpectedPackage(actual, "package.id.1", "0.8.0");
actual = handler.FetchPackage("package.id.1", new SemanticVersion("1.0.0-rc1"), targetNuGetRoot);
AssertExpectedPackage(actual, "package.id.1", "1.0.0-rc1");
actual = handler.FetchPackage("package.id.1", new SemanticVersion("2.0.0"), targetNuGetRoot);
AssertExpectedPackage(actual, "package.id.1", "2.0.0");
}
public void FetchPackage_VersionNotSpecified_NoReleaseVersions_LastPreReleaseVersionSelected()
{
// Arrange
string sourceNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.source");
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
IPackageManager mgr = CreatePackageManager(sourceNuGetRoot);
BuildAndInstallPackage(mgr, "package.id.1", "0.9.0-rc1");
BuildAndInstallPackage(mgr, "package.id.1", "1.0.0-rc1");
BuildAndInstallPackage(mgr, "package.id.1", "1.1.0-rc1");
BuildAndInstallPackage(mgr, "dummy.package.1", "2.0.0");
BuildAndInstallPackage(mgr, "dummy.package.1", "2.0.0-rc2");
NuGetPackageHandler handler = new NuGetPackageHandler(sourceNuGetRoot, new TestLogger());
// Act
IPackage actual = handler.FetchPackage("package.id.1", null, targetNuGetRoot);
// Assert
AssertExpectedPackage(actual, "package.id.1", "1.1.0-rc1");
}
public void FetchPackage_PackageNotFound_NullReturned()
{
// Arrange
string sourceNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.source");
string targetNuGetRoot = TestUtils.CreateTestDirectory(this.TestContext, ".nuget.target");
IPackageManager mgr = CreatePackageManager(sourceNuGetRoot);
BuildAndInstallPackage(mgr, "package.id.1", "0.8.0");
BuildAndInstallPackage(mgr, "package.id.1", "0.9.0");
NuGetPackageHandler handler = new NuGetPackageHandler(sourceNuGetRoot, new TestLogger());
// 1. Package id not found
IPackage actual = handler.FetchPackage("unknown.package.id", new SemanticVersion("0.8.0"), targetNuGetRoot);
Assert.IsNull(actual, "Not expecting a package to be found");
// 2. Package id not found
actual = handler.FetchPackage("package.id.1", new SemanticVersion("0.7.0"), targetNuGetRoot);
Assert.IsNull(actual, "Not expecting a package to be found");
}