diff --git a/internal/server/singleprocess/state/basis_test.go b/internal/server/singleprocess/state/basis_test.go
new file mode 100644
index 000000000..fa22ef632
--- /dev/null
+++ b/internal/server/singleprocess/state/basis_test.go
@@ -0,0 +1,166 @@
+package state
+
+import (
+	"testing"
+
+	"github.com/hashicorp/vagrant-plugin-sdk/proto/vagrant_plugin_sdk"
+	"github.com/hashicorp/vagrant/internal/server/proto/vagrant_server"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBasis(t *testing.T) {
+	t.Run("Get returns error if not exist", func(t *testing.T) {
+		require := require.New(t)
+
+		s := TestState(t)
+		defer s.Close()
+
+		_, err := s.BasisGet(&vagrant_plugin_sdk.Ref_Basis{ResourceId: "nothing"})
+		require.Error(err)
+	})
+
+	t.Run("Put and Get", func(t *testing.T) {
+		require := require.New(t)
+
+		s := TestState(t)
+		defer s.Close()
+
+		testBasis := &vagrant_server.Basis{
+			ResourceId: "test",
+			Name:       "test_name",
+			Path:       "/User/test/test",
+		}
+
+		testBasisRef := &vagrant_plugin_sdk.Ref_Basis{
+			ResourceId: "test",
+			Name:       "test_name",
+			Path:       "/User/test/test",
+		}
+
+		// Set
+		err := s.BasisPut(testBasis)
+		require.NoError(err)
+
+		// Get full ref
+		{
+			resp, err := s.BasisGet(testBasisRef)
+			require.NoError(err)
+			require.NotNil(resp)
+			require.Equal(resp.Name, testBasis.Name)
+		}
+
+		// Get by id
+		{
+			resp, err := s.BasisGet(&vagrant_plugin_sdk.Ref_Basis{
+				ResourceId: "test",
+			})
+			require.NoError(err)
+			require.NotNil(resp)
+			require.Equal(resp.Name, testBasis.Name)
+		}
+	})
+
+	t.Run("Find", func(t *testing.T) {
+		require := require.New(t)
+
+		s := TestState(t)
+		defer s.Close()
+
+		testBasis := &vagrant_server.Basis{
+			ResourceId: "test",
+			Name:       "test_name",
+			Path:       "/User/test/test",
+		}
+
+		// Set
+		err := s.BasisPut(testBasis)
+		require.NoError(err)
+
+		// Find by resource id
+		{
+			resp, err := s.BasisFind(&vagrant_server.Basis{
+				ResourceId: "test",
+			})
+			require.NoError(err)
+			require.NotNil(resp)
+			require.Equal(resp.Name, testBasis.Name)
+		}
+
+		// Find by name
+		{
+			resp, err := s.BasisFind(&vagrant_server.Basis{
+				Name: "test_name",
+			})
+			require.NoError(err)
+			require.NotNil(resp)
+			require.Equal(resp.Name, testBasis.Name)
+		}
+
+		// Find by path
+		{
+			resp, err := s.BasisFind(&vagrant_server.Basis{
+				Path: "/User/test/test",
+			})
+			require.NoError(err)
+			require.NotNil(resp)
+			require.Equal(resp.Name, testBasis.Name)
+		}
+	})
+
+	t.Run("Delete", func(t *testing.T) {
+		require := require.New(t)
+
+		s := TestState(t)
+		defer s.Close()
+
+		testBasis := &vagrant_server.Basis{
+			ResourceId: "test",
+			Name:       "test_name",
+			Path:       "/User/test/test",
+		}
+
+		testBasisRef := &vagrant_plugin_sdk.Ref_Basis{ResourceId: "test"}
+
+		// Does not throw error if basis does not exist
+		err := s.BasisDelete(testBasisRef)
+		require.NoError(err)
+
+		// Add basis
+		err = s.BasisPut(testBasis)
+		require.NoError(err)
+
+		// No error when deleting basis
+		err = s.BasisDelete(testBasisRef)
+		require.NoError(err)
+
+		// Basis should not exist
+		_, err = s.BasisGet(testBasisRef)
+		require.Error(err)
+	})
+
+	t.Run("List", func(t *testing.T) {
+		require := require.New(t)
+
+		s := TestState(t)
+		defer s.Close()
+
+		// Add basis'
+		err := s.BasisPut(&vagrant_server.Basis{
+			ResourceId: "test",
+			Name:       "test_name",
+			Path:       "/User/test/test",
+		})
+		require.NoError(err)
+
+		err = s.BasisPut(&vagrant_server.Basis{
+			ResourceId: "test2",
+			Name:       "test_name2",
+			Path:       "/User/test/test2",
+		})
+		require.NoError(err)
+
+		b, err := s.BasisList()
+		require.NoError(err)
+		require.Len(b, 2)
+	})
+}