Add tests for the way "between" works if no limits are set up

tests/test_recurrences_without_limits.py

@@ -0,0 +1,141 @@
+from datetime import datetime
+from recurrence import Recurrence, Rule
+import recurrence
+
+
+RULE = Rule(
+    recurrence.DAILY
+)
+
+PATTERN = Recurrence(
+    rrules=[RULE]
+)
+
+
+def test_between_without_dtend_and_dtstart():
+    occurrences = [
+        instance for instance in
+        PATTERN.between(
+            datetime(2014, 1, 1, 0, 0, 0),
+            datetime(2014, 1, 4, 0, 0, 0)
+        )
+    ]
+
+    # We get back nothing, since dtstart and dtend will have defaulted
+    # to the current time, and January 2014 is in the past.
+    assert occurrences == []
+
+
+def test_between_with_dtend_and_dtstart_dtend_lower_than_end():
+    occurrences = [
+        instance for instance in
+        PATTERN.between(
+            datetime(2014, 1, 1, 0, 0, 0),
+            datetime(2014, 1, 6, 0, 0, 0),
+            dtstart=datetime(2014, 1, 1, 0, 0, 0),
+            dtend=datetime(2014, 1, 4, 0, 0, 0),
+        )
+    ]
+
+    assert occurrences == [
+        datetime(2014, 1, 2, 0, 0, 0),
+        datetime(2014, 1, 3, 0, 0, 0),
+        datetime(2014, 1, 4, 0, 0, 0),
+    ]
+
+
+def test_between_with_dtend_and_dtstart_dtend_higher_than_end():
+    occurrences = [
+        instance for instance in
+        PATTERN.between(
+            datetime(2014, 1, 1, 0, 0, 0),
+            datetime(2014, 1, 6, 0, 0, 0),
+            dtstart=datetime(2014, 1, 1, 0, 0, 0),
+            dtend=datetime(2014, 1, 8, 0, 0, 0),
+        )
+    ]
+
+    assert occurrences == [
+        datetime(2014, 1, 2, 0, 0, 0),
+        datetime(2014, 1, 3, 0, 0, 0),
+        datetime(2014, 1, 4, 0, 0, 0),
+        datetime(2014, 1, 5, 0, 0, 0),
+    ]
+
+
+def test_between_with_dtend_and_dtstart_limits_equal_exclusive():
+    occurrences = [
+        instance for instance in
+        PATTERN.between(
+            datetime(2014, 1, 1, 0, 0, 0),
+            datetime(2014, 1, 6, 0, 0, 0),
+            dtstart=datetime(2014, 1, 2, 0, 0, 0),
+            dtend=datetime(2014, 1, 6, 0, 0, 0),
+        )
+    ]
+
+    assert occurrences == [
+        datetime(2014, 1, 2, 0, 0, 0),
+        datetime(2014, 1, 3, 0, 0, 0),
+        datetime(2014, 1, 4, 0, 0, 0),
+        datetime(2014, 1, 5, 0, 0, 0),
+    ]
+
+
+def test_between_with_dtend_and_dtstart_limits_equal_inclusive():
+    occurrences = [
+        instance for instance in
+        PATTERN.between(
+            datetime(2014, 1, 1, 0, 0, 0),
+            datetime(2014, 1, 6, 0, 0, 0),
+            dtstart=datetime(2014, 1, 1, 0, 0, 0),
+            dtend=datetime(2014, 1, 6, 0, 0, 0),
+            inc=True
+        )
+    ]
+
+    assert occurrences == [
+        datetime(2014, 1, 1, 0, 0, 0),
+        datetime(2014, 1, 2, 0, 0, 0),
+        datetime(2014, 1, 3, 0, 0, 0),
+        datetime(2014, 1, 4, 0, 0, 0),
+        datetime(2014, 1, 5, 0, 0, 0),
+        datetime(2014, 1, 6, 0, 0, 0),
+    ]
+
+
+def test_between_with_dtend_and_dtstart_dtstart_lower_than_start():
+    occurrences = [
+        instance for instance in
+        PATTERN.between(
+            datetime(2014, 1, 2, 0, 0, 0),
+            datetime(2014, 1, 6, 0, 0, 0),
+            dtstart=datetime(2014, 1, 1, 0, 0, 0),
+            dtend=datetime(2014, 1, 6, 0, 0, 0),
+        )
+    ]
+
+    assert occurrences == [
+        datetime(2014, 1, 3, 0, 0, 0),
+        datetime(2014, 1, 4, 0, 0, 0),
+        datetime(2014, 1, 5, 0, 0, 0),
+    ]
+
+
+def test_between_with_dtend_and_dtstart_dtstart_higher_than_start():
+    occurrences = [
+        instance for instance in
+        PATTERN.between(
+            datetime(2014, 1, 1, 0, 0, 0),
+            datetime(2014, 1, 6, 0, 0, 0),
+            dtstart=datetime(2014, 1, 2, 0, 0, 0),
+            dtend=datetime(2014, 1, 6, 0, 0, 0),
+        )
+    ]
+
+    assert occurrences == [
+        datetime(2014, 1, 2, 0, 0, 0),
+        datetime(2014, 1, 3, 0, 0, 0),
+        datetime(2014, 1, 4, 0, 0, 0),
+        datetime(2014, 1, 5, 0, 0, 0),
+    ]