feat(plugin): add support for storage service

plugin/service/storage/attributes_test.go

@@ -0,0 +1,80 @@
+package storage
+
+import (
+	"testing"
+
+	cred "github.com/hashicorp/boundary-plugin-host-aws/internal/credential"
+	"github.com/stretchr/testify/require"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/structpb"
+)
+
+func TestGetStorageAttributes(t *testing.T) {
+	cases := []struct {
+		name                string
+		in                  map[string]any
+		expected            *StorageAttributes
+		expectedErrContains string
+	}{
+		{
+			name:                "missing region",
+			in:                  map[string]any{},
+			expectedErrContains: "missing required value \"region\"",
+		},
+		{
+			name: "unknown fields",
+			in: map[string]any{
+				"region": "us-west-2",
+				"foo":    true,
+				"bar":    true,
+			},
+			expectedErrContains: "attributes.bar: unrecognized field, attributes.foo: unrecognized field",
+		},
+		{
+			name: "good w/ endpoint",
+			in: map[string]any{
+				cred.ConstRegion:    "us-west-2",
+				ConstAwsEndpointUrl: "0.0.0.0",
+			},
+			expected: &StorageAttributes{
+				CredentialAttributes: &cred.CredentialAttributes{
+					Region: "us-west-2",
+				},
+				EndpointUrl: "0.0.0.0",
+			},
+		},
+		{
+			name: "good w/o endpoint",
+			in: map[string]any{
+				cred.ConstRegion: "us-west-2",
+			},
+			expected: &StorageAttributes{
+				CredentialAttributes: &cred.CredentialAttributes{
+					Region: "us-west-2",
+				},
+			},
+		},
+	}
+
+	for _, tc := range cases {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			require := require.New(t)
+
+			input, err := structpb.NewStruct(tc.in)
+			require.NoError(err)
+
+			actual, err := getStorageAttributes(input)
+			if tc.expectedErrContains != "" {
+				require.Error(err)
+				require.Contains(err.Error(), tc.expectedErrContains)
+				require.Equal(status.Code(err), codes.InvalidArgument)
+				return
+			}
+
+			require.NoError(err)
+			require.Equal(tc.expected, actual)
+		})
+	}
+}