Add tests for getSet() with Parameters (#4127)

Add tests for getSet() with Parameters #4100

Author: ggivo

src/test/java/redis/clients/jedis/commands/unified/BinaryValuesCommandsTestBase.java

@@ -343,6 +343,19 @@ public void setGet() {
     assertNull(jedis.setGet(bbar, bfoo));
   }
 
+  @Test
+  public void setGetWithParams() {
+    jedis.del(bfoo);
+
+    // no previous, return null
+    assertNull(jedis.setGet(bfoo, bbar, setParams().nx()));
+
+    // key already exists, new value should not be set, previous value should be bbar
+    assertArrayEquals(bbar, jedis.setGet(bfoo, binaryValue, setParams().nx()));
+
+    assertArrayEquals(bbar, jedis.setGet(bfoo, binaryValue, setParams().xx()));
+  }
+
   @Test
   public void sendCommandTest() {
     Object obj = jedis.sendCommand(SET, "x".getBytes(), "1".getBytes());

src/test/java/redis/clients/jedis/commands/unified/StringValuesCommandsTestBase.java

@@ -3,6 +3,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.assertNull;
+import static redis.clients.jedis.params.SetParams.setParams;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -41,6 +42,19 @@ public void getSet() {
     assertEquals("bar", value);
   }
 
+  @Test
+  public void setGetWithParams() {
+    jedis.del("foo");
+
+    // no previous, return null
+    assertNull(jedis.setGet("foo", "bar", setParams().nx()));
+
+    // key already exists, new value should not be set, previous value should be bbar
+    assertEquals("bar", jedis.setGet("foo", "foobar", setParams().nx()));
+
+    assertEquals("bar", jedis.setGet("foo", "foobar", setParams().xx()));
+  }
+
   @Test
   public void getDel() {
     String status = jedis.set("foo", "bar");