Add proof representation test block

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

Author: PatStLouis

tests/70-data-model.js

@@ -0,0 +1,71 @@
+/*!
+ * Copyright 2024 Digital Bazaar, Inc.
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+import {
+  createInitialVc,
+  createValidCredential,
+  getProofs,
+  setupReportableTestSuite,
+  setupRow
+} from './helpers.js';
+import chai from 'chai';
+import {endpoints} from 'vc-test-suite-implementations';
+
+const should = chai.should();
+
+const cryptosuites = [
+  'ecdsa-sd-2023',
+  'ecdsa-jcs-2019',
+  'ecdsa-rdfc-2019',
+];
+
+const {match: issuers} = endpoints.filterByTag({
+  tags: cryptosuites,
+  property: 'issuers'
+});
+
+describe('Data Model - Proof Representations', 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);
+      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();
+        });
+      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();
+      });
+    });
+  }
+});