test: preliminary cases for verification relationship serialization

waltid-libraries/waltid-did/src/commonTest/kotlin/id/walt/did/serialize/verification/relationship/VerificationRelationshipTest.kt

@@ -0,0 +1,63 @@
+package id.walt.did.serialize.verification.relationship
+
+import id.walt.crypto.keys.jwk.JWKKey
+import id.walt.did.dids.document.models.verification.method.VerificationMaterialType
+import id.walt.did.dids.document.models.verification.method.VerificationMethod
+import id.walt.did.dids.document.models.verification.method.VerificationMethodType
+import id.walt.did.dids.document.models.verification.relationship.VerificationRelationship
+import id.walt.did.utils.JsonCanonicalization
+import kotlinx.coroutines.test.runTest
+import kotlinx.serialization.encodeToString
+import kotlinx.serialization.json.Json
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+
+class VerificationRelationshipTest {
+
+    @Test
+    fun testVerificationRelationshipId() {
+        val verRel = VerificationRelationship.buildFromId(
+            id = "some-id"
+        )
+        val verRelJsonString = """"some-id""""
+        //encode
+        assertEquals(
+            expected = verRelJsonString,
+            actual = Json.encodeToString(verRel),
+        )
+        //decode
+        assertEquals(
+            expected = verRel,
+            actual = Json.decodeFromString(verRelJsonString),
+        )
+    }
+
+    @Test
+    fun testVerificationRelationshipMethod() = runTest {
+        val keyString = """{"alg":"EdDSA","crv":"Ed25519","kid":"151df6ec01714883b812f26f2d63e584","kty":"OKP","use":"sig","x":"qBDsYw3k62mUT8UmEx99Xz3yckiSRmTsL6aa21ZcAVM"}"""
+        val key = JWKKey.importJWK(keyString).getOrThrow()
+        val method = VerificationMethod(
+            id = "some-id",
+            type = VerificationMethodType.JsonWebKey2020,
+            controller = "some-controller",
+            material = Pair(VerificationMaterialType.PublicKeyJwk, key.exportJWKObject()),
+        )
+        val verRel = VerificationRelationship.buildFromVerificationMethod(
+            method,
+        )
+        val verRelJsonString = "{\"id\":\"some-id\",\"type\":\"JsonWebKey2020\",\"controller\":\"some-controller\",\"publicKeyJwk\":{\"alg\":\"EdDSA\",\"crv\":\"Ed25519\",\"kid\":\"151df6ec01714883b812f26f2d63e584\",\"kty\":\"OKP\",\"use\":\"sig\",\"x\":\"qBDsYw3k62mUT8UmEx99Xz3yckiSRmTsL6aa21ZcAVM\"}}"
+        val canonicalVerRelJsonString = JsonCanonicalization
+            .getCanonicalString("{\"id\":\"some-id\",\"type\":\"JsonWebKey2020\",\"controller\":\"some-controller\",\"publicKeyJwk\":{\"alg\":\"EdDSA\",\"crv\":\"Ed25519\",\"kid\":\"151df6ec01714883b812f26f2d63e584\",\"kty\":\"OKP\",\"use\":\"sig\",\"x\":\"qBDsYw3k62mUT8UmEx99Xz3yckiSRmTsL6aa21ZcAVM\"}}")
+        //encode
+        assertEquals(
+            expected = canonicalVerRelJsonString,
+            actual = JsonCanonicalization.getCanonicalString(Json.encodeToString(verRel)),
+        )
+        //decode
+        assertEquals(
+            expected = verRel,
+            actual = Json.decodeFromString<VerificationRelationship>(verRelJsonString)
+        )
+    }
+}