From 4ff4486aba91a0e189d16bc693c6fed60f9d29c3 Mon Sep 17 00:00:00 2001
From: Stas Dm <iqpirat@gmail.com>
Date: Mon, 21 Oct 2024 18:42:57 +0200
Subject: [PATCH 1/2] fix: expand api (make similar to js implementation)

---
 Makefile         |  1 +
 ld/api_expand.go |  3 ++-
 ld/context.go    | 12 ++++++++++++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index e768675..adb17fb 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,7 @@ vet:
 	go vet github.com/piprate/json-gold/...
 
 test: vet
+	go clean -testcache
 	go test github.com/piprate/json-gold/...
 
 test-cov: vet
diff --git a/ld/api_expand.go b/ld/api_expand.go
index 45276a0..5e35140 100644
--- a/ld/api_expand.go
+++ b/ld/api_expand.go
@@ -790,10 +790,11 @@ func (api *JsonLdApi) expandObject(activeCtx *Context, activeProperty string, ex
 			}
 		}
 
+		isContainer := termCtx.HasContainerMapping2(td, "@graph")
 		isContainerGraph := termCtx.HasContainerMapping(key, "@graph")
 		isContainerID := termCtx.HasContainerMapping(key, "@id")
 		isContainerIndex := termCtx.HasContainerMapping(key, "@index")
-		if isContainerGraph && !isContainerID && !isContainerIndex {
+		if (isContainerGraph || isContainer) && !isContainerID && !isContainerIndex {
 			evList := Arrayify(expandedValue)
 			rVal := make([]interface{}, 0)
 			for _, ev := range evList {
diff --git a/ld/context.go b/ld/context.go
index 0e6837f..fafbe9c 100644
--- a/ld/context.go
+++ b/ld/context.go
@@ -1720,6 +1720,18 @@ func (c *Context) HasContainerMapping(property string, val string) bool {
 	return false
 }
 
+func (c *Context) HasContainerMapping2(dict map[string]interface{}, val string) bool {
+	if container, hasContainer := dict["@container"]; hasContainer {
+		for _, container := range container.([]interface{}) {
+			if container == val {
+				return true
+			}
+		}
+	}
+
+	return false
+}
+
 // IsReverseProperty returns true if the given property is a reverse property
 func (c *Context) IsReverseProperty(property string) bool {
 	td := c.GetTermDefinition(property)

From 04967f7f074b91a61963069426f3a178482c2a05 Mon Sep 17 00:00:00 2001
From: Stas Dm <iqpirat@gmail.com>
Date: Wed, 30 Oct 2024 12:39:23 +0100
Subject: [PATCH 2/2] feat: add vp test

---
 ld/processor_test.go | 64 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 63 insertions(+), 1 deletion(-)

diff --git a/ld/processor_test.go b/ld/processor_test.go
index f6d2836..e1148c0 100644
--- a/ld/processor_test.go
+++ b/ld/processor_test.go
@@ -27,8 +27,9 @@ import (
 	"testing"
 	"time"
 
-	. "github.com/piprate/json-gold/ld"
 	"github.com/stretchr/testify/assert"
+
+	. "github.com/piprate/json-gold/ld"
 )
 
 // RewriteHostTransport is an http.RoundTripper that rewrites requests
@@ -694,3 +695,64 @@ func (er *EarlReport) write(filename string) {
 	_, _ = f.Write(b)
 	_, _ = f.WriteString("\n")
 }
+
+func TestVPNormalization(t *testing.T) {
+	proc := NewJsonLdProcessor()
+	options := NewJsonLdOptions("")
+	options.Algorithm = AlgorithmURDNA2015
+	options.ProduceGeneralizedRdf = true
+
+	input := `{
+  "@context": [
+    "https://www.w3.org/ns/credentials/v2"
+  ],
+  "type": [
+    "VerifiablePresentation"
+  ],
+  "verifiableCredential": [
+    {
+      "@context": [
+        "https://www.w3.org/ns/credentials/v2"
+      ],
+      "type": [
+        "VerifiableCredential"
+      ],
+      "issuer": "did:key:z6MkpJySvETLnxhQG9DzEdmKJtysBDjuuTeDfUj1uNNCUqcj",
+      "credentialSubject": {
+        "id": "did:example:subject"
+      },
+      "proof": {
+        "type": "DataIntegrityProof",
+        "created": "2024-10-17T18:17:31Z",
+        "verificationMethod": "did:key:z6MkpJySvETLnxhQG9DzEdmKJtysBDjuuTeDfUj1uNNCUqcj#z6MkpJySvETLnxhQG9DzEdmKJtysBDjuuTeDfUj1uNNCUqcj",
+        "cryptosuite": "eddsa-rdfc-2022",
+        "proofPurpose": "assertionMethod",
+        "proofValue": "z49q4jLydafVc5qGuRg5WAnG7au6uddhCCr2pNK23JJKzgwhWQUCDGym5GDqJM76ZzEWaU8y53xZffFk7XsLYo8ek"
+      }
+    }
+  ]
+}`
+
+	var dict map[string]interface{}
+	err := json.Unmarshal([]byte(input), &dict)
+	assert.NoError(t, err)
+
+	options.Format = "application/n-quads"
+	output2, err := proc.Normalize(dict, options)
+	assert.NoError(t, err)
+
+	assert.EqualValues(t, output2.(string),
+		`_:c14n0 <http://purl.org/dc/terms/created> "2024-10-17T18:17:31Z"^^<http://www.w3.org/2001/XMLSchema#dateTime> _:c14n2 .
+_:c14n0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://w3id.org/security#DataIntegrityProof> _:c14n2 .
+_:c14n0 <https://w3id.org/security#cryptosuite> "eddsa-rdfc-2022"^^<https://w3id.org/security#cryptosuiteString> _:c14n2 .
+_:c14n0 <https://w3id.org/security#proofPurpose> <https://w3id.org/security#assertionMethod> _:c14n2 .
+_:c14n0 <https://w3id.org/security#proofValue> "z49q4jLydafVc5qGuRg5WAnG7au6uddhCCr2pNK23JJKzgwhWQUCDGym5GDqJM76ZzEWaU8y53xZffFk7XsLYo8ek"^^<https://w3id.org/security#multibase> _:c14n2 .
+_:c14n0 <https://w3id.org/security#verificationMethod> <did:key:z6MkpJySvETLnxhQG9DzEdmKJtysBDjuuTeDfUj1uNNCUqcj#z6MkpJySvETLnxhQG9DzEdmKJtysBDjuuTeDfUj1uNNCUqcj> _:c14n2 .
+_:c14n1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://www.w3.org/2018/credentials#VerifiablePresentation> .
+_:c14n1 <https://www.w3.org/2018/credentials#verifiableCredential> _:c14n3 .
+_:c14n4 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://www.w3.org/2018/credentials#VerifiableCredential> _:c14n3 .
+_:c14n4 <https://w3id.org/security#proof> _:c14n2 _:c14n3 .
+_:c14n4 <https://www.w3.org/2018/credentials#credentialSubject> <did:example:subject> _:c14n3 .
+_:c14n4 <https://www.w3.org/2018/credentials#issuer> <did:key:z6MkpJySvETLnxhQG9DzEdmKJtysBDjuuTeDfUj1uNNCUqcj> _:c14n3 .
+`)
+}