[GitHub] [geode] jdeppe-pivotal commented on a change in pull request #5986: GEODE-8624: Support Redis HINCRBYFLOAT

[GitBox <gi...@apache.org>]

jdeppe-pivotal commented on a change in pull request #5986:
URL: https://github.com/apache/geode/pull/5986#discussion_r569546128



##########
File path: geode-redis/src/integrationTest/java/org/apache/geode/redis/internal/executor/hash/AbstractHincrByFloatIntegrationTest.java
##########
@@ -0,0 +1,202 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for additional information regarding
+ * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License. You may obtain a
+ * copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.apache.geode.redis.internal.executor.hash;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.assertj.core.api.Assertions.offset;
+
+import java.math.BigDecimal;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import redis.clients.jedis.Jedis;
+import redis.clients.jedis.Protocol;
+import redis.clients.jedis.exceptions.JedisDataException;
+
+import org.apache.geode.redis.ConcurrentLoopingThreads;
+import org.apache.geode.test.dunit.rules.RedisPortSupplier;
+
+public abstract class AbstractHincrByFloatIntegrationTest implements RedisPortSupplier {
+
+  private Jedis jedis;
+  private Jedis jedis2;
+  private static int ITERATION_COUNT = 4000;
+
+  @Before
+  public void setUp() {
+    jedis = new Jedis("localhost", getPort(), 10000000);
+    jedis2 = new Jedis("localhost", getPort(), 10000000);
+  }
+
+  @After
+  public void flushAll() {
+    jedis.flushAll();
+  }
+
+  @After
+  public void tearDown() {
+    jedis.close();
+    jedis2.close();
+  }
+
+  @Test
+  public void givenKeyNotProvided_returnsWrongNumberOfArgumentsError() {
+    assertThatThrownBy(() -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT))
+        .hasMessageContaining("ERR wrong number of arguments for 'hincrbyfloat' command");
+  }
+
+  @Test
+  public void givenHashNotProvided_returnsWrongNumberOfArgumentsError() {
+    assertThatThrownBy(() -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key"))
+        .hasMessageContaining("ERR wrong number of arguments for 'hincrbyfloat' command");
+  }
+
+  @Test
+  public void givenIncrementNotProvided_returnsWrongNumberOfArgumentsError() {
+    assertThatThrownBy(() -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key", "hash"))
+        .hasMessageContaining("ERR wrong number of arguments for 'hincrbyfloat' command");
+  }
+
+  @Test
+  public void givenMoreThanFourArgumentsProvided_returnsWrongNumberOfArgumentsError() {
+    assertThatThrownBy(
+        () -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key", "hash", "5", "extraArg"))
+            .hasMessageContaining("ERR wrong number of arguments for 'hincrbyfloat' command");
+  }
+
+  @Test
+  public void testHincrByFloat_withInfinityAndVariants() {
+    jedis.hset("key", "number", "1.4");
+
+    assertThatThrownBy(
+        () -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key", "number", "+inf"))
+            .hasMessage("ERR increment would produce NaN or Infinity");
+
+    assertThatThrownBy(
+        () -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key", "number", "-inf"))
+            .hasMessage("ERR increment would produce NaN or Infinity");
+
+    assertThatThrownBy(
+        () -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key", "number", "inf"))
+            .hasMessage("ERR increment would produce NaN or Infinity");
+
+    assertThatThrownBy(
+        () -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key", "number", "+infinity"))
+            .hasMessage("ERR increment would produce NaN or Infinity");
+
+    assertThatThrownBy(
+        () -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key", "number", "-infinity"))
+            .hasMessage("ERR increment would produce NaN or Infinity");
+
+    assertThatThrownBy(
+        () -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key", "number", "infinity"))
+            .hasMessage("ERR increment would produce NaN or Infinity");
+
+    assertThatThrownBy(
+        () -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key", "number", "nan"))
+            .hasMessage("ERR value is not a valid float");
+
+    assertThatThrownBy(
+        () -> jedis.sendCommand(Protocol.Command.HINCRBYFLOAT, "key", "number", "infant"))
+            .hasMessage("ERR value is not a valid float");
+  }
+
+  @Test
+  public void testHincrByFloat() {
+    double incr = 0.37373;
+    String key = "key";
+    String field = "field";
+    jedis.hset(key, field, "1.0");
+
+    double response = jedis.hincrByFloat(key, field, incr);
+    assertThat(response).isEqualTo(incr + 1, offset(.00001));

Review comment:
       Redis' floating point precision is not precise.




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