add data model tests

Signed-off-by: PatStLouis <[email protected]>

Author: PatStLouis

tests/70-data-model.js

@@ -3,6 +3,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 import {
+  assertIssuedVc,
   createInitialVc,
   createValidCredential,
   getProofs,
@@ -25,6 +26,47 @@ const {match: issuers} = endpoints.filterByTag({
   property: 'issuers'
 });
 
+describe('Data Model - Verification Methods (Multikey)', function() {
+  setupReportableTestSuite(this);
+  this.implemented = [...issuers.keys()];
+  let validCredential;
+  before(async function() {
+    validCredential = await createValidCredential();
+  });
+  for(const [columnId, {endpoints}] of issuers) {
+    describe(columnId, function() {
+      const [issuer] = endpoints;
+      let issuedVc;
+      let proofs;
+      let ecdsaProofs = [];
+      before(async function() {
+        issuedVc = await createInitialVc({issuer, vc: validCredential});
+        proofs = getProofs(issuedVc);
+        if(proofs?.length) {
+          ecdsaProofs = proofs.filter(
+            proof => cryptosuites.includes(proof?.cryptosuite));
+        }
+      });
+      beforeEach(setupRow);
+      it('The publicKeyMultibase value of the verification method ' +
+        'MUST start with the base-58-btc prefix (z), as defined in ' +
+        'the Multibase section of Controller Documents 1.0.',
+      async function() {
+        this.test.link = 'https://www.w3.org/TR/vc-di-ecdsa/#dataintegrityproof';
+        assertIssuedVc(issuedVc, proofs, ecdsaProofs);
+      });
+      it('A Multibase-encoded ECDSA 256-bit public key value or an ' +
+        'ECDSA 384-bit public key value follows, as defined in the Multikey ' +
+        'section of Controller Documents 1.0. Any other encoding ' +
+        'MUST NOT be allowed.',
+      async function() {
+        this.test.link = 'https://www.w3.org/TR/vc-di-ecdsa/#dataintegrityproof';
+        assertIssuedVc(issuedVc, proofs, ecdsaProofs);
+      });
+    });
+  }
+});
+
 describe('Data Model - Proof Representations', function() {
   setupReportableTestSuite(this);
   this.implemented = [...issuers.keys()];
@@ -47,24 +89,16 @@ describe('Data Model - Proof Representations', function() {
         }
       });
       beforeEach(setupRow);
-      const assertBefore = () => {
-        should.exist(issuedVc,
-          'Expected issuer to have issued a credential.');
-        should.exist(proofs,
-          'Expected credential to have a proof.');
-        ecdsaProofs.length.should.be.gte(1,
-          'Expected at least one ecdsa cryptosuite.');
-      };
       it('The type property MUST be DataIntegrityProof.',
         async function() {
           this.test.link = 'https://www.w3.org/TR/vc-di-ecdsa/#dataintegrityproof';
-          assertBefore();
+          assertIssuedVc(issuedVc, proofs, ecdsaProofs);
         });
       it('The cryptosuite property MUST be ecdsa-rdfc-2019, ' +
           'ecdsa-jcs-2019, or ecdsa-sd-2023.',
       async function() {
         this.test.link = 'https://www.w3.org/TR/vc-di-ecdsa/#dataintegrityproof';
-        assertBefore();
+        assertIssuedVc(issuedVc, proofs, ecdsaProofs);
       });
     });
   }