Add test for command to fetch account details

test/cli.test.ts

@@ -31,6 +31,7 @@ describe('Test laconic CLI commands', () => {
     });
 
     describe('laconic cns <command>', () => {
+      const initialAccountBalance = Number('100000000000000000000000000');
       const existingAccount = process.env.EXISTING_ACCOUNT;
       assert(existingAccount, 'EXISTING_ACCOUNT not set in env');
 
@@ -137,6 +138,38 @@ describe('Test laconic CLI commands', () => {
           expect(outputObj[0]).toEqual(expectedBond);
         });
       });
+
+      describe('laconic cns account <command>', () => {
+        test('laconic cns account get --address <account_address>', async () => {
+          const result = spawnSync('laconic', ['cns', 'account', 'get', '--address', existingAccount]);
+
+          const output = result.stdout.toString().trim();
+          const errorOutput = result.stderr.toString().trim();
+
+          expect(errorOutput).toBe('');
+          expect(result.status).toBe(0);
+
+          expect(output.length).toBeGreaterThan(0);
+          const outputObj = Array.from<any>(JSON.parse(output));
+
+          // Expected account
+          const expectedAccount = {
+            address: existingAccount,
+            number: 0,
+            sequence: 2,
+            balance: [
+              {
+                type: "aphoton"
+              }
+            ]
+          };
+
+          expect(outputObj.length).toEqual(1);
+          expect(outputObj[0]).toMatchObject(expectedAccount);
+          expect(Number(outputObj[0].balance[0].quantity)).toBeGreaterThan(0);
+          expect(Number(outputObj[0].balance[0].quantity)).toBeLessThan(initialAccountBalance);
+        });
+      });
     });
   });
 });