Setup project for next minor release.

 * Add couple test cases.
 * Update generation of version string for custom suffix.
 * Merge PEP-561 changes from @ZipFile.

docs/src/changelog.md

@@ -1,10 +1,11 @@
 Changelog and release history
 -----------------------------
 
-## latest
+## [1.3.0](https://pypi.org/project/sonyflake-py/1.3.0/) (2021-06-24)
 
  - Fix timezone usage inconsistencies.
  - Make a package PEP-561 compliant.
+ - Add test case for initialisation using `SONYFLAKE_EPOCH` constant.
 
 ## [1.2.1](https://pypi.org/project/sonyflake-py/1.2.1/) (2021-03-20)
 

sonyflake/about.py

@@ -16,6 +16,6 @@
 __version__: str = f"{MAJOR}.{MINOR}.{PATCH}"
 
 if SUFFIX:
-    __version__ += SUFFIX
+    __version__ += f"-{SUFFIX}"
 
 VERSION = __version__

tests/test_sonyflake.py

@@ -4,7 +4,12 @@
 from time import sleep
 from unittest import TestCase
 
-from sonyflake.sonyflake import BIT_LEN_SEQUENCE, SonyFlake, lower_16bit_private_ip
+from sonyflake.sonyflake import (
+    BIT_LEN_SEQUENCE,
+    SONYFLAKE_EPOCH,
+    SonyFlake,
+    lower_16bit_private_ip,
+)
 
 
 class SonyFlakeTestCase(TestCase):
@@ -22,6 +27,24 @@ def _current_time():
     def _sleep(duration):
         return sleep(duration / 100)
 
+    def test_sonyflake_epoch(self):
+        sf = SonyFlake(start_time=SONYFLAKE_EPOCH)
+        self.assertEqual(sf.start_time, 140952960000)
+        next_id = sf.next_id()
+        parts = SonyFlake.decompose(next_id)
+        self.assertEqual(parts["msb"], 0)
+        self.assertEqual(parts["machine_id"], self.machine_id)
+        self.assertEqual(parts["sequence"], 0)
+
+    def test_sonyflake_custom_machine_id(self):
+        machine_id = randint(1, 255 ** 2)
+        def get_machine_id():
+            return machine_id
+        sf = SonyFlake(machine_id=get_machine_id)
+        next_id = sf.next_id()
+        parts = SonyFlake.decompose(next_id)
+        self.assertEqual(parts["machine_id"], machine_id)
+
     def test_sonyflake_once(self):
         sleep_time = randint(1, 50)
         self._sleep(sleep_time)