Merge pull request #420 from Eyal-Shalev/testQuartzEvery7DaysStartingSunday

added testQuartzEvery7DaysStartingSunday for Issue418

Author: jmrozanec

src/test/java/com/cronutils/Issue418Test.java

@@ -0,0 +1,77 @@
+package com.cronutils;
+
+import com.cronutils.model.CronType;
+import com.cronutils.model.definition.CronDefinition;
+import com.cronutils.model.definition.CronDefinitionBuilder;
+import com.cronutils.model.time.ExecutionTime;
+import com.cronutils.parser.CronParser;
+import org.junit.Test;
+
+import java.time.LocalDate;
+import java.time.LocalTime;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import java.util.Optional;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+public class Issue418Test {
+
+    @Test
+    public void testQuartzEvery7DaysStartingSunday() {
+        final CronDefinition cronDefinition = CronDefinitionBuilder.instanceDefinitionFor(CronType.QUARTZ);
+        final CronParser parser = new CronParser(cronDefinition);
+        final ExecutionTime execTime = ExecutionTime.forCron(parser.parse("0 0 2 ? * 1/7 *"));
+
+        final ZonedDateTime startDate = ZonedDateTime.of(
+                LocalDate.of(2020, 4, 1),
+                LocalTime.of(3, 0),
+                ZoneId.systemDefault()
+        );
+        final ZonedDateTime[] expectedDates = {
+                ZonedDateTime.of(
+                        LocalDate.of(2020, 4, 5),
+                        LocalTime.of(2, 0),
+                        ZoneId.systemDefault()
+                ),
+                ZonedDateTime.of(
+                        LocalDate.of(2020, 4, 12),
+                        LocalTime.of(2, 0),
+                        ZoneId.systemDefault()
+                )
+        };
+
+        Optional<ZonedDateTime> nextExecution = execTime.nextExecution(startDate);
+        assert(nextExecution.isPresent());
+        assertEquals( expectedDates[0], nextExecution.get());
+
+        nextExecution = execTime.nextExecution(nextExecution.get());
+        assert(nextExecution.isPresent());
+        assertEquals( expectedDates[1], nextExecution.get());
+    }
+
+    @Test
+    public void TestInvalidWeekDayStart() {
+        try {
+            final CronDefinition cronDefinition = CronDefinitionBuilder.instanceDefinitionFor(CronType.QUARTZ);
+            final CronParser parser = new CronParser(cronDefinition);
+            parser.parse("0 0 2 ? * 0/7 *");
+            fail("Expected exception for invalid expression");
+        } catch (IllegalArgumentException expected) {
+            assertEquals("Failed to parse '0 0 2 ? * 0/7 *'. Value 0 not in range [1, 7]", expected.getMessage());
+        }
+    }
+
+    @Test
+    public void TestInvalidWeekDayEnd() {
+        try {
+            final CronDefinition cronDefinition = CronDefinitionBuilder.instanceDefinitionFor(CronType.QUARTZ);
+            final CronParser parser = new CronParser(cronDefinition);
+            parser.parse("0 0 2 ? * 1/8 *");
+            fail("Expected exception for invalid expression");
+        } catch (IllegalArgumentException expected) {
+            assertEquals("Failed to parse '0 0 2 ? * 1/8 *'. Period 8 not in range [1, 7]", expected.getMessage());
+        }
+    }
+}