bsqparsertest: add test for isBsqTx

Testing only the most basic cases of inputs.

core/src/test/java/io/bisq/core/dao/blockchain/parse/BsqParserTest.java

@@ -0,0 +1,76 @@
+package io.bisq.core.dao.blockchain.parse;
+
+import io.bisq.common.proto.persistable.PersistenceProtoResolver;
+import io.bisq.core.dao.blockchain.vo.*;
+import mockit.Expectations;
+import mockit.Injectable;
+import mockit.Tested;
+import mockit.integration.junit4.JMockit;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Optional;
+
+import static org.junit.Assert.*;
+
+@RunWith(JMockit.class)
+public class BsqParserTest {
+    @Tested(availableDuringSetup = true)
+    BsqBlockChain bsqBlockChain;
+    @Tested(fullyInitialized = true, availableDuringSetup = true)
+    BsqParser bsqParser;
+
+    @Injectable
+    PersistenceProtoResolver persistenceProtoResolver;
+    @Injectable
+    File storageDir;
+
+    @Injectable
+    RpcService rpcService;
+    @Injectable
+    OpReturnVerification opReturnVerification;
+    @Injectable
+    IssuanceVerification issuanceVerification;
+
+    @Test
+    public void testIsBsqTx() {
+        // Setup a basic transaction with two inputs
+        int height = 200;
+        String hash = "abc123";
+        long time = new Date().getTime();
+        List<TxInput> inputs = new ArrayList<TxInput>();
+        inputs.add(new TxInput("tx1", 0));
+        inputs.add(new TxInput("tx1", 1));
+        List<TxOutput> outputs = new ArrayList<TxOutput>();
+        outputs.add(new TxOutput(0, 101, "tx1", null, null, null, height));
+        TxVo txVo = new TxVo("vo", height, hash, time);
+        Tx tx = new Tx(txVo, inputs, outputs);
+
+        // Return one spendable txoutputs with value, for three test cases
+        // 1) - null, 0     -> not BSQ transaction
+        // 2) - 100, null   -> BSQ transaction
+        // 3) - 0, 100      -> BSQ transaction
+        new Expectations(bsqBlockChain) {{
+            bsqBlockChain.getSpendableTxOutput(new TxIdIndexTuple("tx1", 0));
+            result = Optional.empty();
+            result = Optional.of(new TxOutput(0, 100, "txout1", null, null, null, height));
+            result = Optional.of(new TxOutput(0, 0, "txout1", null, null, null, height));
+
+            bsqBlockChain.getSpendableTxOutput(new TxIdIndexTuple("tx1", 1));
+            result = Optional.of(new TxOutput(0, 0, "txout2", null, null, null, height));
+            result = Optional.empty();
+            result = Optional.of(new TxOutput(0, 100, "txout2", null, null, null, height));
+        }};
+
+        // First time there is no BSQ value to spend so it's not a bsq transaction
+        assertFalse(bsqParser.isBsqTx(height, tx));
+        // Second time there is BSQ in the first txout
+        assertTrue(bsqParser.isBsqTx(height, tx));
+        // Third time there is BSQ in the second txout
+        assertTrue(bsqParser.isBsqTx(height, tx));
+    }
+}