killbill-memoizeit

Details

diff --git a/junction/src/main/java/org/killbill/billing/junction/plumbing/billing/DisabledDuration.java b/junction/src/main/java/org/killbill/billing/junction/plumbing/billing/DisabledDuration.java
index 78633b9..d8f7870 100644
--- a/junction/src/main/java/org/killbill/billing/junction/plumbing/billing/DisabledDuration.java
+++ b/junction/src/main/java/org/killbill/billing/junction/plumbing/billing/DisabledDuration.java
@@ -19,6 +19,8 @@ package org.killbill.billing.junction.plumbing.billing;
 
 import org.joda.time.DateTime;
 
+import com.google.common.base.Preconditions;
+
 class DisabledDuration implements Comparable<DisabledDuration> {
 
     private final DateTime start;
@@ -105,11 +107,17 @@ class DisabledDuration implements Comparable<DisabledDuration> {
     // |---------| this
     //             |---|  o
     public boolean isDisjoint(final DisabledDuration o) {
-        return end.compareTo(o.getStart()) < 0;
+        return end!= null && end.compareTo(o.getStart()) < 0;
     }
 
     public static DisabledDuration mergeDuration(DisabledDuration d1, DisabledDuration d2) {
-        final DateTime endDate = d1.getEnd().compareTo(d2.getEnd()) < 0 ? d2.getEnd() : d1.getEnd();
+        Preconditions.checkState(d1.getStart().compareTo(d2.getStart()) <=0 );
+        Preconditions.checkState(!d1.isDisjoint(d2));
+
+        final DateTime endDate = (d1.getEnd() != null && d2.getEnd() != null) ?
+                                 d1.getEnd().compareTo(d2.getEnd()) < 0 ? d2.getEnd() : d1.getEnd() :
+                                 null;
+
         return new DisabledDuration(d1.getStart(), endDate);
     }
 
diff --git a/junction/src/test/java/org/killbill/billing/junction/plumbing/billing/TestBlockingStateNesting.java b/junction/src/test/java/org/killbill/billing/junction/plumbing/billing/TestBlockingStateNesting.java
index b4e0806..adf4e8d 100644
--- a/junction/src/test/java/org/killbill/billing/junction/plumbing/billing/TestBlockingStateNesting.java
+++ b/junction/src/test/java/org/killbill/billing/junction/plumbing/billing/TestBlockingStateNesting.java
@@ -55,10 +55,10 @@ public class TestBlockingStateNesting extends JunctionTestSuiteNoDB {
         final DateTimeZone tz = DateTimeZone.forID("America/Los_Angeles");
         final DateTime testInit = new DateTime(2017, 04, 29, 14, 15, 53, tz);
         clock.setTime(testInit);
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", true, testInit));
-        input.add(createBillingBlockingState(BlockingStateType.SUBSCRIPTION_BUNDLE, "SVC", true, testInit.plusDays(1)));
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", false, testInit.plusDays(2)));
-        input.add(createBillingBlockingState(BlockingStateType.SUBSCRIPTION_BUNDLE, "SVC", false, testInit.plusDays(3)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit));
+        input.add(createBillingBlockingState(BlockingStateType.SUBSCRIPTION_BUNDLE, true, testInit.plusDays(1)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, false, testInit.plusDays(2)));
+        input.add(createBillingBlockingState(BlockingStateType.SUBSCRIPTION_BUNDLE, false, testInit.plusDays(3)));
 
         final BlockingStateNesting test = new BlockingStateNesting();
         for (BlockingState cur : input) {
@@ -86,9 +86,9 @@ public class TestBlockingStateNesting extends JunctionTestSuiteNoDB {
         final DateTimeZone tz = DateTimeZone.forID("America/Los_Angeles");
         final DateTime testInit = new DateTime(2017, 04, 29, 14, 15, 53, tz);
         clock.setTime(testInit);
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", true, testInit));
-        input.add(createBillingBlockingState(BlockingStateType.SUBSCRIPTION_BUNDLE, "SVC", true, testInit.plusDays(1)));
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", false, testInit.plusDays(2)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit));
+        input.add(createBillingBlockingState(BlockingStateType.SUBSCRIPTION_BUNDLE, true, testInit.plusDays(1)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, false, testInit.plusDays(2)));
 
         final BlockingStateNesting test = new BlockingStateNesting();
         for (BlockingState cur : input) {
@@ -115,10 +115,10 @@ public class TestBlockingStateNesting extends JunctionTestSuiteNoDB {
         final DateTimeZone tz = DateTimeZone.forID("America/Los_Angeles");
         final DateTime testInit = new DateTime(2017, 04, 29, 14, 15, 53, tz);
         clock.setTime(testInit);
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", true, testInit));
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", false, testInit.plusDays(1)));
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", true, testInit.plusDays(2)));
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", false, testInit.plusDays(3)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, false, testInit.plusDays(1)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit.plusDays(2)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, false, testInit.plusDays(3)));
 
         final BlockingStateNesting test = new BlockingStateNesting();
         for (BlockingState cur : input) {
@@ -147,10 +147,10 @@ public class TestBlockingStateNesting extends JunctionTestSuiteNoDB {
         final DateTimeZone tz = DateTimeZone.forID("America/Los_Angeles");
         final DateTime testInit = new DateTime(2017, 04, 29, 14, 15, 53, tz);
         clock.setTime(testInit);
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", true, testInit));
-        input.add(createBillingBlockingState(BlockingStateType.SUBSCRIPTION_BUNDLE, "SVC", true, testInit));
-        input.add(createBillingBlockingState(BlockingStateType.SUBSCRIPTION_BUNDLE, "SVC", false, testInit.plusDays(1)));
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", false, testInit.plusDays(2)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit));
+        input.add(createBillingBlockingState(BlockingStateType.SUBSCRIPTION_BUNDLE, true, testInit));
+        input.add(createBillingBlockingState(BlockingStateType.SUBSCRIPTION_BUNDLE, false, testInit.plusDays(1)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, false, testInit.plusDays(2)));
 
         final BlockingStateNesting test = new BlockingStateNesting();
         for (BlockingState cur : input) {
@@ -178,8 +178,8 @@ public class TestBlockingStateNesting extends JunctionTestSuiteNoDB {
         final DateTimeZone tz = DateTimeZone.forID("America/Los_Angeles");
         final DateTime testInit = new DateTime(2017, 04, 29, 14, 15, 53, tz);
         clock.setTime(testInit);
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", true, testInit));
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", false, testInit));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, false, testInit));
 
         final BlockingStateNesting test = new BlockingStateNesting();
         for (BlockingState cur : input) {
@@ -200,15 +200,15 @@ public class TestBlockingStateNesting extends JunctionTestSuiteNoDB {
     //  Expected:  None
     //
     @Test(groups = "fast")
-    public void testBlockingUnblockingDatesLessThanADay() throws Exception {
+    public void testBlockingUnblockingDatesLessThanADay1() throws Exception {
 
         final List<BlockingState> input = new ArrayList<BlockingState>();
 
         final DateTimeZone tz = DateTimeZone.forID("America/Los_Angeles");
         final DateTime testInit = new DateTime(2017, 04, 29, 14, 15, 53, tz);
         clock.setTime(testInit);
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", true, testInit));
-        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, "SVC", false, testInit.plusHours(10)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, false, testInit.plusHours(10)));
 
         final BlockingStateNesting test = new BlockingStateNesting();
         for (BlockingState cur : input) {
@@ -222,6 +222,67 @@ public class TestBlockingStateNesting extends JunctionTestSuiteNoDB {
     }
 
 
+    //              B       BU
+    //              |-------|
+    //              A       AA
+    //
+    //  Expected:   B--------
+    //
+    @Test(groups = "fast")
+    public void testBlockingUnblockingDatesLessThanADay2() throws Exception {
+
+        final List<BlockingState> input = new ArrayList<BlockingState>();
+
+        final DateTimeZone tz = DateTimeZone.forID("America/Los_Angeles");
+        final DateTime testInit = new DateTime(2017, 04, 29, 14, 15, 53, tz);
+        clock.setTime(testInit);
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, false, testInit.plusDays(1)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit.plusDays(1)));
+
+        final BlockingStateNesting test = new BlockingStateNesting();
+        for (BlockingState cur : input) {
+            test.addBlockingState(cur);
+        }
+        final List<DisabledDuration> result = test.build();
+
+        final List<DisabledDuration> expected = ImmutableList.of(new DisabledDuration(testInit, testInit.plusDays(1)),
+                                                                 new DisabledDuration(testInit.plusDays(1), null));
+
+        verify(result, expected);
+    }
+
+
+    //              B       BU
+    //              |-------|
+    //              A       AA
+    //
+    //  Expected:   B--------
+    //
+    @Test(groups = "fast")
+    public void testBlockingUnblockingDatesLessThanADay3() throws Exception {
+
+        final List<BlockingState> input = new ArrayList<BlockingState>();
+
+        final DateTimeZone tz = DateTimeZone.forID("America/Los_Angeles");
+        final DateTime testInit = new DateTime(2017, 04, 29, 14, 15, 53, tz);
+        clock.setTime(testInit);
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, true, testInit.plusDays(1)));
+        input.add(createBillingBlockingState(BlockingStateType.ACCOUNT, false, testInit.plusDays(1)));
+
+        final BlockingStateNesting test = new BlockingStateNesting();
+        for (BlockingState cur : input) {
+            test.addBlockingState(cur);
+        }
+        final List<DisabledDuration> result = test.build();
+
+        final List<DisabledDuration> expected = ImmutableList.of(new DisabledDuration(testInit, null));
+
+        verify(result, expected);
+    }
+
+
 
     private void verify(final List<DisabledDuration> actual, final List<DisabledDuration> expected) {
         assertEquals(expected.size(), actual.size());
@@ -230,8 +291,8 @@ public class TestBlockingStateNesting extends JunctionTestSuiteNoDB {
         }
     }
 
-    private BlockingState createBillingBlockingState(final BlockingStateType type, final String service, final boolean blockBilling, final DateTime effectiveDate) {
-        return new DefaultBlockingState(UUID.randomUUID(), type, UUID.randomUUID().toString(), service, false, false, blockBilling, effectiveDate);
+    private BlockingState createBillingBlockingState(final BlockingStateType type, final boolean blockBilling, final DateTime effectiveDate) {
+        return new DefaultBlockingState(UUID.randomUUID(), type, UUID.randomUUID().toString(), "SVC", false, false, blockBilling, effectiveDate);
     }
 
 }
\ No newline at end of file
diff --git a/junction/src/test/java/org/killbill/billing/junction/plumbing/billing/TestDisabledDuration.java b/junction/src/test/java/org/killbill/billing/junction/plumbing/billing/TestDisabledDuration.java
new file mode 100644
index 0000000..64f323b
--- /dev/null
+++ b/junction/src/test/java/org/killbill/billing/junction/plumbing/billing/TestDisabledDuration.java
@@ -0,0 +1,205 @@
+/*
+ * Copyright 2014-2017 Groupon, Inc
+ * Copyright 2014-2017 The Billing Project, LLC
+ *
+ * The Billing Project 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.killbill.billing.junction.plumbing.billing;
+
+import org.joda.time.DateTime;
+import org.killbill.billing.junction.JunctionTestSuiteNoDB;
+import org.testng.annotations.Test;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertFalse;
+import static org.testng.Assert.assertNull;
+import static org.testng.Assert.assertTrue;
+
+public class TestDisabledDuration extends JunctionTestSuiteNoDB {
+
+    @Test(groups = "fast")
+    public void testCompare0() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusHours(10));
+        final DisabledDuration d2 = new DisabledDuration(now, now.plusHours(10));
+        assertEquals(d1.compareTo(d2), 0);
+        assertTrue(d1.equals(d2));
+    }
+
+    @Test(groups = "fast")
+    public void testCompare1() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusHours(10));
+        final DisabledDuration d2 = new DisabledDuration(now.plusSeconds(1), now.plusHours(10));
+        assertEquals(d1.compareTo(d2), -1);
+        assertEquals(d2.compareTo(d1), 1);
+    }
+
+    @Test(groups = "fast")
+    public void testCompare2() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusHours(10));
+        final DisabledDuration d2 = new DisabledDuration(now.plusSeconds(1), now.plusHours(10));
+        assertEquals(d1.compareTo(d2), -1);
+        assertEquals(d2.compareTo(d1), 1);
+    }
+
+    @Test(groups = "fast")
+    public void testCompare3() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(1));
+        final DisabledDuration d2 = new DisabledDuration(now, now.plusDays(2));
+        assertEquals(d1.compareTo(d2), -1);
+        assertEquals(d2.compareTo(d1), 1);
+    }
+
+    @Test(groups = "fast")
+    public void testCompare4() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(1));
+        final DisabledDuration d2 = new DisabledDuration(now, null);
+        assertEquals(d1.compareTo(d2), -1);
+        assertEquals(d2.compareTo(d1), 1);
+    }
+
+    @Test(groups = "fast")
+    public void testCompare5() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, null);
+        final DisabledDuration d2 = new DisabledDuration(now, now.plusDays(1));
+        assertEquals(d1.compareTo(d2), 1);
+        assertEquals(d2.compareTo(d1), -1);
+    }
+
+
+
+    // Case 1: this contained into o => false
+    // |---------|       this
+    // |--------------|  o
+    @Test(groups = "fast")
+    public void testDisjoint1() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(1));
+        final DisabledDuration d2 = new DisabledDuration(now, now.plusDays(2));
+        assertFalse(d1.isDisjoint(d2));
+    }
+
+    // Case 2: this overlaps with o => false
+    // |---------|            this
+    //      |--------------|  o
+    @Test(groups = "fast")
+    public void testDisjoint2() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(10));
+        final DisabledDuration d2 = new DisabledDuration(now.plusDays(1), now.plusDays(12));
+        assertFalse(d1.isDisjoint(d2));
+    }
+
+    // Case 3: o contains into this => false
+    // |---------| this
+    //      |---|  o
+    @Test(groups = "fast")
+    public void testDisjoint3() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(10));
+        final DisabledDuration d2 = new DisabledDuration(now.plusDays(1), now.plusDays(4));
+        assertFalse(d1.isDisjoint(d2));
+    }
+
+    // Case 4: this and o are adjacent => false
+    // |---------| this
+    //           |---|  o
+    @Test(groups = "fast")
+    public void testDisjoint4() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(10));
+        final DisabledDuration d2 = new DisabledDuration(now.plusDays(10), now.plusDays(15));
+        assertFalse(d1.isDisjoint(d2));
+    }
+
+    // Case 5: this and o are disjoint => true
+    // |---------| this
+    //             |---|  o
+    @Test(groups = "fast")
+    public void testDisjoint5() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(10));
+        final DisabledDuration d2 = new DisabledDuration(now.plusDays(11), now.plusDays(15));
+        assertTrue(d1.isDisjoint(d2));
+    }
+
+
+    @Test(groups = "fast")
+    public void testMergeDuration1() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(10));
+        final DisabledDuration d2 = new DisabledDuration(now.plusDays(1), now.plusDays(15));
+
+        final DisabledDuration result = DisabledDuration.mergeDuration(d1, d2);
+        assertEquals(result.getStart().compareTo(now), 0);
+        assertEquals(result.getEnd().compareTo(now.plusDays(15)), 0);
+    }
+
+    @Test(groups = "fast")
+    public void testMergeDuration2() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(15));
+        final DisabledDuration d2 = new DisabledDuration(now.plusDays(1), now.plusDays(10));
+
+        final DisabledDuration result = DisabledDuration.mergeDuration(d1, d2);
+        assertEquals(result.getStart().compareTo(now), 0);
+        assertEquals(result.getEnd().compareTo(now.plusDays(15)), 0);
+    }
+
+    @Test(groups = "fast")
+    public void testMergeDuration3() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, null);
+        final DisabledDuration d2 = new DisabledDuration(now.plusDays(1), now.plusDays(10));
+
+        final DisabledDuration result = DisabledDuration.mergeDuration(d1, d2);
+        assertEquals(result.getStart().compareTo(now), 0);
+        assertNull(result.getEnd());
+    }
+
+    @Test(groups = "fast")
+    public void testMergeDuration4() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(10));
+        final DisabledDuration d2 = new DisabledDuration(now.plusDays(1), null);
+
+        final DisabledDuration result = DisabledDuration.mergeDuration(d1, d2);
+        assertEquals(result.getStart().compareTo(now), 0);
+        assertNull(result.getEnd());
+    }
+
+    @Test(groups = "fast", expectedExceptions = IllegalStateException.class)
+    public void testMergeDurationInvalid1() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now, now.plusDays(10));
+        final DisabledDuration d2 = new DisabledDuration(now.plusDays(11), null);
+
+        DisabledDuration.mergeDuration(d1, d2);
+    }
+
+    @Test(groups = "fast", expectedExceptions = IllegalStateException.class)
+    public void testMergeDurationInvalid2() throws Exception {
+        final DateTime now = clock.getUTCNow();
+        final DisabledDuration d1 = new DisabledDuration(now.plusDays(1), now.plusDays(10));
+        final DisabledDuration d2 = new DisabledDuration(now, null);
+
+        DisabledDuration.mergeDuration(d1, d2);
+    }
+
+}
\ No newline at end of file