3 files changed, 111 insertions, 0 deletions
diff --git a/tests/tz/zoneinfo/__init__.py b/tests/tz/zoneinfo/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/tz/zoneinfo/__init__.py
diff --git a/tests/tz/zoneinfo/test_posix_timezone.py b/tests/tz/zoneinfo/test_posix_timezone.py
new file mode 100644
index 0000000..41a6458
--- /dev/null
+++ b/tests/tz/zoneinfo/test_posix_timezone.py
@@ -0,0 +1,65 @@
+from pendulum.tz.zoneinfo.posix_timezone import JPosixTransition
+from pendulum.tz.zoneinfo.posix_timezone import MPosixTransition
+from pendulum.tz.zoneinfo.posix_timezone import posix_spec
+
+
+def test_posix_spec_m():
+    spec = "CET-1CEST,M3.5.0,M10.5.0/3"
+    tz = posix_spec(spec)
+
+    assert tz.std_abbr == "CET"
+    assert tz.std_offset == 3600
+    assert tz.dst_abbr == "CEST"
+    assert tz.dst_offset == 7200
+
+    assert isinstance(tz.dst_start, MPosixTransition)
+    assert tz.dst_start.month == 3
+    assert tz.dst_start.week == 5
+    assert tz.dst_start.weekday == 0
+    assert tz.dst_start.offset == 7200
+
+    assert isinstance(tz.dst_end, MPosixTransition)
+    assert tz.dst_end.month == 10
+    assert tz.dst_end.week == 5
+    assert tz.dst_end.weekday == 0
+    assert tz.dst_end.offset == 3 * 3600
+
+
+def test_posix_spec_m_no_abbr():
+    spec = "<+12>-12<+13>,M11.1.0,M1.2.1/147"
+    tz = posix_spec(spec)
+
+    assert tz.std_abbr == "+12"
+    assert tz.std_offset == 12 * 3600
+    assert tz.dst_abbr == "+13"
+    assert tz.dst_offset == 13 * 3600
+
+    assert isinstance(tz.dst_start, MPosixTransition)
+    assert tz.dst_start.month == 11
+    assert tz.dst_start.week == 1
+    assert tz.dst_start.weekday == 0
+    assert tz.dst_start.offset == 7200
+
+    assert isinstance(tz.dst_end, MPosixTransition)
+    assert tz.dst_end.month == 1
+    assert tz.dst_end.week == 2
+    assert tz.dst_end.weekday == 1
+    assert tz.dst_end.offset == 147 * 3600
+
+
+def test_posix_spec_j_no_abbr():
+    spec = "<+0330>-3:30<+0430>,J80/0,J264/0"
+    tz = posix_spec(spec)
+
+    assert tz.std_abbr == "+0330"
+    assert tz.std_offset == 3 * 3600 + 30 * 60
+    assert tz.dst_abbr == "+0430"
+    assert tz.dst_offset == 4 * 3600 + 30 * 60
+
+    assert isinstance(tz.dst_start, JPosixTransition)
+    assert tz.dst_start.day == 80
+    assert tz.dst_start.offset == 0
+
+    assert isinstance(tz.dst_end, JPosixTransition)
+    assert tz.dst_end.day == 264
+    assert tz.dst_end.offset == 0
diff --git a/tests/tz/zoneinfo/test_reader.py b/tests/tz/zoneinfo/test_reader.py
new file mode 100644
index 0000000..a19ba9a
--- /dev/null
+++ b/tests/tz/zoneinfo/test_reader.py
@@ -0,0 +1,46 @@
+import os
+
+import pytest
+
+from pendulum.tz.zoneinfo.exceptions import InvalidTimezone
+from pendulum.tz.zoneinfo.exceptions import InvalidZoneinfoFile
+from pendulum.tz.zoneinfo.reader import Reader
+from pendulum.tz.zoneinfo.timezone import Timezone
+
+
+def test_read_for_bad_timezone():
+    reader = Reader()
+    with pytest.raises(InvalidTimezone):
+        reader.read_for("---NOT A TIMEZONE---")
+
+
+def test_read_for_valid():
+    reader = Reader()
+
+    tz = reader.read_for("America/Toronto")
+    assert isinstance(tz, Timezone)
+
+
+def test_read():
+    reader = Reader()
+    local_path = os.path.join(os.path.split(__file__)[0], "..", "..")
+    tz_file = os.path.join(local_path, "fixtures", "tz", "Paris")
+    tz = reader.read(tz_file)
+
+    assert len(tz.transitions) > 0
+
+
+def test_read_invalid():
+    reader = Reader()
+    local_path = os.path.join(os.path.split(__file__)[0], "..")
+    tz_file = os.path.join(local_path, "fixtures", "tz", "NOT_A_TIMEZONE")
+
+    with pytest.raises(InvalidZoneinfoFile):
+        reader.read(tz_file)
+
+
+def test_set_transitions_for_no_transition_database_file():
+    reader = Reader()
+    tz = reader.read_for("Etc/UTC")
+
+    assert len(tz.transitions) == 1