Merge pull request #7308 from alvasw/Add_FederatedBtcNodeProviderTest…

….onlyHardcodedNodes_test

Add FederatedBtcNodeProviderTest.onlyHardcodedNodes test

core/src/test/java/bisq/core/btc/nodes/FederatedBtcNodeProviderTest.java

@@ -0,0 +1,32 @@
+package bisq.core.btc.nodes;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertIterableEquals;
+
+public class FederatedBtcNodeProviderTest {
+    @Test
+    void onlyHardcodedNodes() {
+        var hardcodedNodes = List.of(
+                new BtcNodes.BtcNode(null, "alice.onion", null,
+                        BtcNodes.BtcNode.DEFAULT_PORT, "@alice"),
+                new BtcNodes.BtcNode(null, "bob.onion", null,
+                        BtcNodes.BtcNode.DEFAULT_PORT, "@bob"),
+                new BtcNodes.BtcNode(null, "charlie.onion", null,
+                        BtcNodes.BtcNode.DEFAULT_PORT, "@charlie")
+        );
+
+        List<BtcNodes.BtcNode> mutableHardcodedList = new ArrayList<>(hardcodedNodes);
+        List<String> filterProvidedBtcNodes = Collections.emptyList();
+        List<String> bannedBtcNodes = Collections.emptyList();
+
+        List<BtcNodes.BtcNode> selectedNodes = FederatedBtcNodeProvider
+                .getNodes(mutableHardcodedList, filterProvidedBtcNodes, bannedBtcNodes);
+
+        assertIterableEquals(hardcodedNodes, selectedNodes);
+    }
+}