test(json): add JsonFormat test case

framework/src/test/java/org/tron/core/services/http/JsonFormatTest.java

@@ -0,0 +1,59 @@
+package org.tron.core.services.http;
+
+import java.io.IOException;
+import javax.annotation.Resource;
+
+import com.google.protobuf.ByteString;
+import org.junit.Assert;
+import org.junit.Test;
+import org.tron.api.GrpcAPI.AccountNetMessage;
+
+import org.tron.common.BaseTest;
+import org.tron.common.utils.ByteArray;
+import org.tron.core.Constant;
+import org.tron.core.Wallet;
+import org.tron.core.capsule.AccountCapsule;
+import org.tron.core.config.args.Args;
+import org.tron.protos.Protocol;
+
+public class JsonFormatTest extends BaseTest {
+
+  private static final String OWNER_ADDRESS;
+  private static final long initBalance = 43_200_000_000L;
+  @Resource
+  private Wallet wallet;
+
+  static {
+    Args.setParam(new String[]{"-d", dbPath()}, Constant.TEST_CONF);
+    OWNER_ADDRESS = Wallet.getAddressPreFixString() + "548794500882809695a8a687866e76d4271a1abc";
+  }
+
+  public void init() {
+    AccountCapsule ownerCapsule =
+            new AccountCapsule(
+                    ByteString.copyFromUtf8("owner"),
+                    ByteString.copyFrom(ByteArray.fromHexString(OWNER_ADDRESS)),
+                    Protocol.AccountType.Normal,
+                    initBalance);
+    dbManager.getAccountStore().put(ownerCapsule.getAddress().toByteArray(), ownerCapsule);
+  }
+
+  @Test
+  public void testPrint() {
+    ByteString addressByte = ByteString.copyFrom(ByteArray.fromHexString(OWNER_ADDRESS));
+    AccountCapsule accountCapsule =
+            new AccountCapsule(Protocol.Account.newBuilder().setAddress(addressByte).build());
+    accountCapsule.setBalance(1000_000_000L);
+    dbManager.getChainBaseManager().getAccountStore()
+            .put(accountCapsule.createDbKey(), accountCapsule);
+
+    AccountNetMessage accountNet = wallet.getAccountNet(addressByte);
+    StringBuilder text = new StringBuilder();
+    try {
+      JsonFormat.print(accountNet, text, false);
+    } catch (IOException e) {
+      Assert.fail("print failed");
+    }
+  }
+
+}