Redis timeouts should not be converted to 0

DATAREDIS-176

Only convert timeouts in Redis commands to 0 sec if
the value to convert is 0, otherwise round up to 1

src/test/java/org/springframework/data/redis/core/TimeoutUtilsTests.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2013 the original author or authors.
+ * 
+ * Licensed 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.springframework.data.redis.core;
+
+import java.util.concurrent.TimeUnit;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Unit test of {@link TimeoutUtils}
+ * 
+ * @author Jennifer Hickey
+ * 
+ */
+public class TimeoutUtilsTests {
+
+	@Test
+	public void testConvertMoreThanOneSecond() {
+		assertEquals(2, TimeoutUtils.toSeconds(2010, TimeUnit.MILLISECONDS));
+	}
+
+	@Test
+	public void testConvertLessThanOneSecond() {
+		assertEquals(1, TimeoutUtils.toSeconds(999, TimeUnit.NANOSECONDS));
+	}
+
+	@Test
+	public void testConvertZero() {
+		assertEquals(0, TimeoutUtils.toSeconds(0, TimeUnit.MINUTES));
+	}
+	
+	@Test
+	public void testConvertNegativeGreaterThanNegativeOne() {
+		// Ensure we convert this to 0 as before, though ideally we wouldn't accept negative values
+		assertEquals(0,TimeoutUtils.toSeconds(-123, TimeUnit.MILLISECONDS));
+	}
+	
+	@Test
+	public void testConvertNegativeEqualNegativeOne() {
+		assertEquals(-1,TimeoutUtils.toSeconds(-1111, TimeUnit.MILLISECONDS));
+	}
+	
+	@Test
+	public void testConvertNegativeLessThanNegativeOne() {
+		assertEquals(-2,TimeoutUtils.toSeconds(-2344, TimeUnit.MILLISECONDS));
+	}
+
+}