DOC-4495 sadd and smembers examples

Author: andy-stark-redis

src/test/java/io/redis/examples/CmdsSetExample.java

@@ -0,0 +1,67 @@
+// EXAMPLE: cmds_set
+// REMOVE_START
+package io.redis.examples;
+
+import org.junit.Assert;
+import org.junit.Test;
+// REMOVE_END
+import static java.util.stream.Collectors.toList;
+
+import java.util.Set;
+
+// HIDE_START
+import redis.clients.jedis.UnifiedJedis;
+
+public class CmdsSetExample {
+    @Test
+    public void run() {
+        UnifiedJedis jedis = new UnifiedJedis("redis://localhost:6379");
+        //REMOVE_START
+        // Clear any keys here before using them in tests.
+        jedis.del("myset");
+        //REMOVE_END
+// HIDE_END
+
+        // STEP_START sadd
+        long sAddResult1 = jedis.sadd("myset", "Hello");
+        System.out.println(sAddResult1); // >>> 1
+
+        long sAddResult2 = jedis.sadd("myset", "World");
+        System.out.println(sAddResult2); // >>> 1
+
+        long sAddResult3 = jedis.sadd("myset", "World");
+        System.out.println(sAddResult3); // >>> 0
+
+        Set<String> sAddResult4 = jedis.smembers("myset");
+        System.out.println(
+            sAddResult4.stream().sorted().collect(toList()).toString()
+        );
+        // >>> [Hello, World]
+        // STEP_END
+        // REMOVE_START
+        Assert.assertEquals(1, sAddResult1);
+        Assert.assertEquals(1, sAddResult2);
+        Assert.assertEquals(0, sAddResult3);
+        Assert.assertArrayEquals(new String[] {"Hello", "World"}, sAddResult4.stream().sorted().toArray());
+        jedis.del("myset");
+        // REMOVE_END
+
+        // STEP_START smembers
+        long sMembersResult1 = jedis.sadd("myset", "Hello", "World");
+        System.out.println(sMembersResult1); // >>> 2
+
+        Set<String> sMembersResult2 = jedis.smembers("myset");
+        System.out.println(
+            sMembersResult2.stream().sorted().collect(toList()).toString()
+        );
+        // >>> [Hello, World]
+        // STEP_END
+        // REMOVE_START
+        Assert.assertEquals(2, sMembersResult1);
+        Assert.assertArrayEquals(new String[] {"Hello", "World"}, sMembersResult2.stream().sorted().toArray());
+        // REMOVE_END
+
+        // HIDE_START
+    }
+}
+// HIDE_END