Add update catalog support for plugin based catalogs in handler and go sdk (#1673)

* Create catalog service handler for updating plugin.  Add tests for handler and run make fmt. Silently drop attributes where the value is nil when creating the catalog or set.

internal/libs/patchstruct/patchstruct_test.go

@@ -1,8 +1,12 @@
 package patchstruct
 
 import (
+	"strings"
 	"testing"
 
+	"github.com/google/go-cmp/cmp"
+	"github.com/google/go-cmp/cmp/cmpopts"
+	"github.com/hashicorp/boundary/internal/host"
 	"github.com/stretchr/testify/require"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/known/structpb"
@@ -75,6 +79,24 @@ var testCases = []testCase{
 			"foo": "bar",
 		},
 	},
+	{
+		name: "nested with nil",
+		dst: nil,
+		src: map[string]interface{}{
+			"a": "b",
+			"nested": map[string]interface{}{
+				"c": "d",
+				"e": nil,
+			},
+			"f": nil,
+		},
+		expected: map[string]interface{}{
+			"a": "b",
+			"nested": map[string]interface{}{
+				"c": "d",
+			},
+		},
+	},
 	{
 		name: "overwrite with map in src",
 		dst: map[string]interface{}{
@@ -111,6 +133,17 @@ var testCases = []testCase{
 			"foo": "bar",
 		},
 	},
+	{
+		name: "nil dst with src nil value",
+		dst:  nil,
+		src: map[string]interface{}{
+			"foo": "bar",
+			"fiz": nil,
+		},
+		expected: map[string]interface{}{
+			"foo": "bar",
+		},
+	},
 }
 
 func TestPatchStruct(t *testing.T) {
@@ -130,7 +163,11 @@ func TestPatchStruct(t *testing.T) {
 			}
 
 			actual := PatchStruct(dst, src)
-			require.Equal(mustStruct(tc.expected), actual)
+			require.Empty(cmp.Diff(mustStruct(tc.expected), actual,
+				cmpopts.IgnoreUnexported(structpb.Struct{}, structpb.Value{}),
+				cmpopts.SortSlices(func(x, y interface{}) bool {
+					return x.(*host.IpAddress).Address < y.(*host.IpAddress).Address
+				})))
 			require.Equal(dstOrig, dst)
 			require.Equal(srcOrig, src)
 		})
@@ -155,12 +192,14 @@ func TestPatchBytesErr(t *testing.T) {
 	t.Run("dst", func(t *testing.T) {
 		require := require.New(t)
 		_, err := PatchBytes([]byte("foo"), nil)
-		require.EqualError(err, "error reading destination data: proto: cannot parse invalid wire-format data")
+		require.ErrorIs(err, proto.Error)
+		require.True(strings.HasPrefix(err.Error(), "error reading destination data: "))
 	})
 	t.Run("src", func(t *testing.T) {
 		require := require.New(t)
 		_, err := PatchBytes(nil, []byte("foo"))
-		require.EqualError(err, "error reading source data: proto: cannot parse invalid wire-format data")
+		require.ErrorIs(err, proto.Error)
+		require.True(strings.HasPrefix(err.Error(), "error reading source data: "))
 	})
 }