itest: add a new itest to validate new meta json parsing

Author: Roasbeef

itest/asset_meta_test.go

@@ -0,0 +1,103 @@
+package itest
+
+import (
+	"context"
+	"testing"
+
+	"github.com/lightninglabs/taproot-assets/taprpc"
+	"github.com/lightninglabs/taproot-assets/taprpc/mintrpc"
+	"github.com/stretchr/testify/require"
+)
+
+// testAssetMeta tests the validation+parsing logic for asset meta data.
+func testAssetMeta(t *harnessTest) {
+	// In this test, we'll attempt to issue the following assets with
+	// distinct meta type. Within each test case, negative failure
+	// scenarios may exist.
+	jsonType := taprpc.AssetMetaType_META_TYPE_JSON
+	testCases := []struct {
+		asset     *mintrpc.MintAssetRequest
+		errString string
+	}{
+		// Existing opaque meta data option, should succeed.
+		{
+			asset: &mintrpc.MintAssetRequest{
+				Asset: &mintrpc.MintAsset{
+					AssetType: taprpc.AssetType_NORMAL,
+					Name:      "opaque asset",
+					AssetMeta: &taprpc.AssetMeta{
+						Data: []byte("some metadata"),
+					},
+					Amount: 5000,
+				},
+			},
+		},
+
+		// Existing JSON meta data option, with valid JSON should
+		// succeed.
+		{
+			asset: &mintrpc.MintAssetRequest{
+				Asset: &mintrpc.MintAsset{
+					AssetType: taprpc.AssetType_NORMAL,
+					Name:      "json asset",
+					AssetMeta: &taprpc.AssetMeta{
+						Data: []byte(
+							`{"key": "value"}`,
+						),
+						Type: jsonType,
+					},
+					Amount: 5000,
+				},
+			},
+		},
+
+		// Existing JSON meta data option, with invalid JSON should
+		// fail.
+		{
+			asset: &mintrpc.MintAssetRequest{
+				Asset: &mintrpc.MintAsset{
+					AssetType: taprpc.AssetType_NORMAL,
+					Name:      "invalid json",
+					AssetMeta: &taprpc.AssetMeta{
+						Data: []byte("not json"),
+						Type: jsonType,
+					},
+					Amount: 5000,
+				},
+			},
+			errString: "invalid asset meta: invalid JSON",
+		},
+
+		// Custom meta data type, with valid data should succeed.
+		{
+			asset: &mintrpc.MintAssetRequest{
+				Asset: &mintrpc.MintAsset{
+					AssetType: taprpc.AssetType_NORMAL,
+					Name:      "custom meta type",
+					AssetMeta: &taprpc.AssetMeta{
+						Data: []byte("custom stuff"),
+						Type: 99,
+					},
+					Amount: 5000,
+				},
+			},
+		},
+	}
+
+	ctxb := context.Background()
+	for _, tc := range testCases {
+		t.t.Run(tc.asset.Asset.Name, func(tt *testing.T) {
+			_, err := t.tapd.MintAsset(ctxb, tc.asset)
+			if err != nil {
+				if tc.errString == "" {
+					tt.Fatalf("unexpected error: %v", err)
+				}
+				require.ErrorContains(tt, err, tc.errString)
+			}
+		})
+	}
+
+	// We only test validation here, so we'll cancel the pending batch.
+	_, err := t.tapd.CancelBatch(ctxb, &mintrpc.CancelBatchRequest{})
+	require.NoError(t.t, err)
+}

itest/test_list_on_test.go

@@ -9,6 +9,10 @@ var testCases = []*testCase{
 		name: "mint assets",
 		test: testMintAssets,
 	},
+	{
+		name: "asset meta validation",
+		test: testAssetMeta,
+	},
 	{
 		name: "asset name collision raises mint error",
 		test: testMintAssetNameCollisionError,