test message check for identifier set

ts/test/session/messages/DeviceLinkMessage_test.ts

@@ -90,4 +90,9 @@ describe('DeviceLinkMessage', () => {
         expect(linkRequestMessage.ttl()).to.equal(2 * 60 * 1000);
         expect(linkGrantMessage.ttl()).to.equal(2 * 60 * 1000);
     });
+
+    it('has an identifier', () => {
+        expect(linkRequestMessage.identifier).to.not.equal(null,  'identifier cannot be null');
+        expect(linkRequestMessage.identifier).to.not.equal(undefined,  'identifier cannot be undefined');
+    });
 });

ts/test/session/messages/DeviceUnlinkMessage_test.ts

@@ -21,4 +21,9 @@ describe('DeviceUnlinkMessage', () => {
     it('ttl of 4 days', () => {
         expect(message.ttl()).to.equal(4 * 24 * 60 * 60 * 1000);
     });
+
+    it('has an identifier', () => {
+        expect(message.identifier).to.not.equal(null,  'identifier cannot be null');
+        expect(message.identifier).to.not.equal(undefined,  'identifier cannot be undefined');
+    });
 });

ts/test/session/messages/EndSessionMessage_test.ts

@@ -30,4 +30,9 @@ describe('EndSessionMessage', () => {
     it('ttl of 4 days', () => {
         expect(message.ttl()).to.equal(4 * 24 * 60 * 60 * 1000);
     });
+
+    it('has an identifier', () => {
+        expect(message.identifier).to.not.equal(null,  'identifier cannot be null');
+        expect(message.identifier).to.not.equal(undefined,  'identifier cannot be undefined');
+    });
 });

ts/test/session/messages/GroupInvitationMessage_test.ts

@@ -32,4 +32,9 @@ describe('GroupInvitationMessage', () => {
     it('ttl of 1 day', () => {
         expect(message.ttl()).to.equal(24 * 60 * 60 * 1000);
     });
+
+    it('has an identifier', () => {
+        expect(message.identifier).to.not.equal(null,  'identifier cannot be null');
+        expect(message.identifier).to.not.equal(undefined,  'identifier cannot be undefined');
+    });
 });

ts/test/session/messages/ReceiptMessage_test.ts

@@ -42,4 +42,9 @@ describe('ReceiptMessage', () => {
         expect(readMessage.ttl()).to.equal(24 * 60 * 60 * 1000);
         expect(deliveryMessage.ttl()).to.equal(24 * 60 * 60 * 1000);
     });
+
+    it('has an identifier', () => {
+        expect(readMessage.identifier).to.not.equal(null,  'identifier cannot be null');
+        expect(readMessage.identifier).to.not.equal(undefined,  'identifier cannot be undefined');
+    });
 });

ts/test/session/messages/SessionEstablishedMessage_test.ts

@@ -21,4 +21,9 @@ describe('SessionEstablishedMessage', () => {
     it('ttl of 5 minutes', () => {
         expect(message.ttl()).to.equal(5 * 60 * 1000);
     });
+
+    it('has an identifier', () => {
+        expect(message.identifier).to.not.equal(null,  'identifier cannot be null');
+        expect(message.identifier).to.not.equal(undefined,  'identifier cannot be undefined');
+    });
 });

ts/test/session/messages/SessionResetMessage_test.ts

@@ -29,4 +29,9 @@ describe('SessionResetMessage', () => {
     it('ttl of 4 days', () => {
         expect(message.ttl()).to.equal(4 * 24 * 60 * 60 * 1000);
     });
+
+    it('has an identifier', () => {
+        expect(message.identifier).to.not.equal(null,  'identifier cannot be null');
+        expect(message.identifier).to.not.equal(undefined,  'identifier cannot be undefined');
+    });
 });

ts/test/session/messages/TypingMessage_test.ts

@@ -69,4 +69,13 @@ describe('TypingMessage', () => {
         });
         expect(message.ttl()).to.equal(60 * 1000);
     });
+
+    it('has an identifier', () => {
+        const message = new TypingMessage({
+            timestamp: Date.now(),
+            isTyping: true,
+        });
+        expect(message.identifier).to.not.equal(null,  'identifier cannot be null');
+        expect(message.identifier).to.not.equal(undefined,  'identifier cannot be undefined');
+    });
 });