Add common utils CollectionUtils.java DateUtils.java unit test (#1496)

* dateutil test

* pom.xml

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/CollectionUtils.java

@@ -86,21 +86,20 @@ public class CollectionUtils {
      * @return string to map
      */
     public static Map<String, String> stringToMap(String str, String separator, String keyPrefix) {
-        if (null == str || "".equals(str)) {
-            return null;
+        Map<String, String> emptyMap = new HashMap<>(0);
+        if (StringUtils.isEmpty(str)) {
+            return emptyMap;
         }
-        if (null == separator || "".equals(separator)) {
-            return null;
+        if (StringUtils.isEmpty(separator)) {
+            return emptyMap;
         }
         String[] strings = str.split(separator);
-        int mapLength = strings.length;
-        if ((strings.length % 2) != 0) {
-            mapLength = mapLength + 1;
-        }
-
-        Map<String, String> map = new HashMap<>(mapLength);
+        Map<String, String> map = new HashMap<>(strings.length);
         for (int i = 0; i < strings.length; i++) {
             String[] strArray = strings[i].split("=");
+            if (strArray.length != 2) {
+                return emptyMap;
+            }
             //strArray[0] KEY  strArray[1] VALUE
             if (StringUtils.isEmpty(keyPrefix)) {
                 map.put(strArray[0], strArray[1]);
@@ -146,7 +145,7 @@ public class CollectionUtils {
          * @param obj the object
          * @return the maximum frequency of the object
          */
-        public final int max(final Object obj) {
+        private int max(final Object obj) {
             return Math.max(freqA(obj), freqB(obj));
         }
 
@@ -156,7 +155,7 @@ public class CollectionUtils {
          * @param obj the object
          * @return the minimum frequency of the object
          */
-        public final int min(final Object obj) {
+        private int min(final Object obj) {
             return Math.min(freqA(obj), freqB(obj));
         }
 
@@ -180,10 +179,10 @@ public class CollectionUtils {
             return getFreq(obj, cardinalityB);
         }
 
-        private final int getFreq(final Object obj, final Map<?, Integer> freqMap) {
+        private int getFreq(final Object obj, final Map<?, Integer> freqMap) {
             final Integer count = freqMap.get(obj);
             if (count != null) {
-                return count.intValue();
+                return count;
             }
             return 0;
         }
@@ -203,7 +202,7 @@ public class CollectionUtils {
             return true;
         }
 
-        if ((a == null && b != null) || a != null && b == null) {
+        if (a == null || b == null) {
             return false;
         }
 
@@ -253,12 +252,7 @@ public class CollectionUtils {
     public static <O> Map<O, Integer> getCardinalityMap(final Iterable<? extends O> coll) {
         final Map<O, Integer> count = new HashMap<O, Integer>();
         for (final O obj : coll) {
-            final Integer c = count.get(obj);
-            if (c == null) {
-                count.put(obj, Integer.valueOf(1));
-            } else {
-                count.put(obj, Integer.valueOf(c.intValue() + 1));
-            }
+            count.put(obj, count.getOrDefault(obj, 0) + 1);
         }
         return count;
     }
@@ -273,6 +267,12 @@ public class CollectionUtils {
      */
     public static <T extends Object> List<Map<String, Object>> getListByExclusion(List<T> originList, Set<String> exclusionSet) {
         List<Map<String, Object>> instanceList = new ArrayList<>();
+        if (exclusionSet == null) {
+            exclusionSet = new HashSet<>();
+        }
+        if (originList == null) {
+            return instanceList;
+        }
         Map<String, Object> instanceMap;
         for (T instance : originList) {
             Map<String, Object> dataMap = new BeanMap(instance);

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/DateUtils.java

@@ -291,14 +291,14 @@ public class DateUtils {
      * get some hour of day
      *
      * @param date date
-     * @param hours hours
+     * @param offsetHour hours
      * @return some hour of day
      * */
-    public static Date getSomeHourOfDay(Date date, int hours) {
+    public static Date getSomeHourOfDay(Date date, int offsetHour) {
         Calendar cal = Calendar.getInstance();
 
         cal.setTime(date);
-        cal.set(Calendar.HOUR_OF_DAY, cal.get(Calendar.HOUR_OF_DAY) - hours);
+        cal.set(Calendar.HOUR_OF_DAY, cal.get(Calendar.HOUR_OF_DAY) + offsetHour);
         cal.set(Calendar.MINUTE, 0);
         cal.set(Calendar.SECOND, 0);
         cal.set(Calendar.MILLISECOND, 0);

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/dependent/DependentDateUtils.java

@@ -34,7 +34,7 @@ public class DependentDateUtils {
     public static List<DateInterval> getLastHoursInterval(Date businessDate, int hourNumber){
         List<DateInterval> dateIntervals = new ArrayList<>();
         for(int index = hourNumber; index > 0; index--){
-            Date lastHour = DateUtils.getSomeHourOfDay(businessDate, index);
+            Date lastHour = DateUtils.getSomeHourOfDay(businessDate, -index);
             Date beginTime = DateUtils.getStartOfHour(lastHour);
             Date endTime = DateUtils.getEndOfHour(lastHour);
             dateIntervals.add(new DateInterval(beginTime, endTime));

dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/CollectionUtilsTest.java

@@ -16,6 +16,7 @@
  */
 package org.apache.dolphinscheduler.common.utils;
 
+import org.apache.dolphinscheduler.common.Constants;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -26,19 +27,26 @@ public class CollectionUtilsTest {
 
     @Test
     public void equalLists() {
+        Assert.assertTrue(CollectionUtils.equalLists(null,null));
+        Assert.assertTrue(CollectionUtils.equalLists(new ArrayList<Integer>(),new ArrayList<Integer>()));
         List<Integer> a = new ArrayList<Integer>();
         a.add(1);
         a.add(2);
-        a.add(3);
         List<Integer> b = new ArrayList<Integer>();
-        b.add(3);
+        b.add(1);
+        b.add(2);
+        Assert.assertTrue(CollectionUtils.equalLists(a, b));
+        a.add(1);
+        Assert.assertFalse(CollectionUtils.equalLists(a, b));
         b.add(2);
+        Assert.assertFalse(CollectionUtils.equalLists(a, b));
+        a.add(2);
         b.add(1);
-        Assert.assertTrue(CollectionUtils.equalLists(a,b));
-        Assert.assertTrue(CollectionUtils.equalLists(null,null));
-        List<Integer> c = new ArrayList<Integer>();
-        Assert.assertFalse(CollectionUtils.equalLists(c,null));
-        Assert.assertFalse(CollectionUtils.equalLists(c,a));
+        a.add(4);
+        b.add(2);
+        Assert.assertFalse(CollectionUtils.equalLists(a, b));
+        Assert.assertFalse(CollectionUtils.equalLists(null, new ArrayList<Integer>()));
+        Assert.assertFalse(CollectionUtils.equalLists(new ArrayList<Integer>(), null));
     }
 
     @Test
@@ -56,7 +64,49 @@ public class CollectionUtilsTest {
 
     @Test
     public void stringToMap() {
-        Map<String, String> a = CollectionUtils.stringToMap("a=b;c=d", ";", "");
+        Map<String, String> a = CollectionUtils.stringToMap("a=b;c=d;", ";");
         Assert.assertNotNull(a);
+        Assert.assertTrue(a.size() == 2);
+        a = CollectionUtils.stringToMap(null, ";");
+        Assert.assertTrue(a.isEmpty());
+        a = CollectionUtils.stringToMap("", ";");
+        Assert.assertTrue(a.isEmpty());
+        a = CollectionUtils.stringToMap("a=b;c=d", "");
+        Assert.assertTrue(a.isEmpty());
+        a = CollectionUtils.stringToMap("a=b;c=d", null);
+        Assert.assertTrue(a.isEmpty());
+        a = CollectionUtils.stringToMap("a=b;c=d;e=f", ";");
+        Assert.assertEquals(a.size(), 3);
+        a = CollectionUtils.stringToMap("a;b=f", ";");
+        Assert.assertTrue(a.isEmpty());
+        a = CollectionUtils.stringToMap("a=b;c=d;e=f;", ";", "test");
+        Assert.assertEquals(a.size(), 3);
+        Assert.assertNotNull(a.get("testa"));
     }
+
+    @Test
+    public void getListByExclusion() {
+        Assert.assertNotNull(CollectionUtils.getListByExclusion(null, null));
+        List<Integer> originList = new ArrayList<>();
+        originList.add(1);
+        originList.add(2);
+        List<Map<String, Object>> ret = CollectionUtils.getListByExclusion(originList, null);
+        Assert.assertEquals(ret.size(), 2);
+        ret = CollectionUtils.getListByExclusion(originList, new HashSet<>());
+        Assert.assertEquals(ret.size(), 2);
+        Assert.assertFalse(ret.get(0).isEmpty());
+        Set<String> exclusion = new HashSet<>();
+        exclusion.add(Constants.CLASS);
+        ret = CollectionUtils.getListByExclusion(originList, exclusion);
+        Assert.assertEquals(ret.size(), 2);
+        Assert.assertTrue(ret.get(0).isEmpty());
+    }
+
+    @Test
+    public void isNotEmpty() {
+        List<Integer> list = new ArrayList<>();
+        Assert.assertFalse(CollectionUtils.isNotEmpty(list));
+        Assert.assertFalse(CollectionUtils.isNotEmpty(null));
+    }
+
 }

dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/DateUtilsTest.java

@@ -18,13 +18,11 @@ package org.apache.dolphinscheduler.common.utils;
 
 import org.junit.Assert;
 import org.junit.Test;
-
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
 public class DateUtilsTest {
-
     @Test
     public void format2Readable() throws ParseException {
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
@@ -54,4 +52,102 @@ public class DateUtilsTest {
         Assert.assertEquals(sunday, sunday1);
 
     }
+
+    @Test
+    public void diffHours(){
+        Date d1 = DateUtils.stringToDate("2019-01-28 00:00:00");
+        Date d2 = DateUtils.stringToDate("2019-01-28 20:00:00");
+        Assert.assertEquals(DateUtils.diffHours(d1, d2), 20);
+        Date d3 = DateUtils.stringToDate("2019-01-28 20:00:00");
+        Assert.assertEquals(DateUtils.diffHours(d3, d2), 0);
+        Assert.assertEquals(DateUtils.diffHours(d2, d1), 20);
+        Date d4 = null;
+        Assert.assertEquals(DateUtils.diffHours(d2, d4), 0);
+    }
+
+    @Test
+    public void dateToString() {
+        Date d1 = DateUtils.stringToDate("2019-01-28");
+        Assert.assertNull(d1);
+        d1 = DateUtils.stringToDate("2019-01-28 00:00:00");
+        Assert.assertEquals(DateUtils.dateToString(d1), "2019-01-28 00:00:00");
+    }
+
+    @Test
+    public void getSomeDay() {
+        Date d1 = DateUtils.stringToDate("2019-01-31 00:00:00");
+        Date curr = DateUtils.getSomeDay(d1, 1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-02-01 00:00:00");
+        Assert.assertEquals(DateUtils.dateToString(DateUtils.getSomeDay(d1, -31)), "2018-12-31 00:00:00");
+    }
+
+    @Test
+    public void getFirstDayOfMonth() {
+        Date d1 = DateUtils.stringToDate("2019-01-31 00:00:00");
+        Date curr = DateUtils.getFirstDayOfMonth(d1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-01 00:00:00");
+
+        d1 = DateUtils.stringToDate("2019-01-31 01:59:00");
+        curr = DateUtils.getFirstDayOfMonth(d1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-01 01:59:00");
+    }
+
+    @Test
+    public void getSomeHourOfDay() {
+        Date d1 = DateUtils.stringToDate("2019-01-31 11:59:59");
+        Date curr = DateUtils.getSomeHourOfDay(d1, -1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-31 10:00:00");
+        curr = DateUtils.getSomeHourOfDay(d1, 0);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-31 11:00:00");
+        curr = DateUtils.getSomeHourOfDay(d1, 2);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-31 13:00:00");
+        curr = DateUtils.getSomeHourOfDay(d1, 24);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-02-01 11:00:00");
+    }
+
+    @Test
+    public void getLastDayOfMonth() {
+        Date d1 = DateUtils.stringToDate("2019-01-31 11:59:59");
+        Date curr = DateUtils.getLastDayOfMonth(d1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-31 11:59:59");
+        d1 = DateUtils.stringToDate("2019-01-02 11:59:59");
+        curr = DateUtils.getLastDayOfMonth(d1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-31 11:59:59");
+
+        d1 = DateUtils.stringToDate("2019-02-02 11:59:59");
+        curr = DateUtils.getLastDayOfMonth(d1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-02-28 11:59:59");
+
+        d1 = DateUtils.stringToDate("2020-02-02 11:59:59");
+        curr = DateUtils.getLastDayOfMonth(d1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2020-02-29 11:59:59");
+    }
+
+    @Test
+    public void getStartOfDay() {
+        Date d1 = DateUtils.stringToDate("2019-01-31 11:59:59");
+        Date curr = DateUtils.getStartOfDay(d1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-31 00:00:00");
+    }
+
+    @Test
+    public void getEndOfDay() {
+        Date d1 = DateUtils.stringToDate("2019-01-31 11:00:59");
+        Date curr = DateUtils.getEndOfDay(d1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-31 23:59:59");
+    }
+
+    @Test
+    public void getStartOfHour() {
+        Date d1 = DateUtils.stringToDate("2019-01-31 11:00:59");
+        Date curr = DateUtils.getStartOfHour(d1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-31 11:00:00");
+    }
+
+    @Test
+    public void getEndOfHour() {
+        Date d1 = DateUtils.stringToDate("2019-01-31 11:00:59");
+        Date curr = DateUtils.getEndOfHour(d1);
+        Assert.assertEquals(DateUtils.dateToString(curr), "2019-01-31 11:59:59");
+    }
 }

dolphinscheduler-dao/src/test/java/org/apache/dolphinscheduler/dao/mapper/UserMapperTest.java

@@ -154,7 +154,7 @@ public class UserMapperTest {
         accessToken.setToken("secrettoken");
         accessToken.setCreateTime(new Date());
         accessToken.setUpdateTime(new Date());
-        accessToken.setExpireTime(DateUtils.getSomeHourOfDay(new Date(),-1));
+        accessToken.setExpireTime(DateUtils.getSomeHourOfDay(new Date(),1));
         accessTokenMapper.insert(accessToken);
         return accessToken;
     }

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/task/sql/SqlTask.java

@@ -261,9 +261,7 @@ public class SqlTask extends AbstractTask {
                 Map<String, String> connParamMap = CollectionUtils.stringToMap(sqlParameters.getConnParams(),
                         SEMICOLON,
                         HIVE_CONF);
-                if(connParamMap != null){
-                    paramProp.putAll(connParamMap);
-                }
+                paramProp.putAll(connParamMap);
 
                 connection = DriverManager.getConnection(baseDataSource.getJdbcUrl(),
                         paramProp);

pom.xml

@@ -612,10 +612,10 @@
 				<version>${maven-surefire-plugin.version}</version>
 				<configuration>
 					<includes>
+						<include>**/common/utils/*.java</include>
+						<include>**/common/graph/*.java</include>
 						<include>**/api/utils/CheckUtilsTest.java</include>
 						<include>**/api/utils/FileUtilsTest.java</include>
-						<include>**/common/graph/*.java</include>
-						<include>**/*CollectionUtilsTest.java</include><!--run test classes-->
 					</includes>
 					<!-- <skip>true</skip> -->
 				</configuration>