Add test

tests/test_dl_asyncdl.py

@@ -0,0 +1,77 @@
+import aiohttp
+import asyncio
+import json
+from pytchat.tool import parser
+import sys
+import time
+from aioresponses import aioresponses
+from concurrent.futures import CancelledError
+from pytchat.tool import asyncdl
+
+def _open_file(path):
+    with open(path,mode ='r',encoding = 'utf-8') as f:
+        return f.read()
+
+
+def test_asyncdl_split(mocker):
+
+    ret = asyncdl._split(0,1000,1)
+    assert ret == [0]
+
+    ret = asyncdl._split(1000,1000,10)
+    assert ret == [1000]
+
+    ret = asyncdl._split(0,1000,5)
+    assert ret == [0,200,400,600,800]
+
+    ret = asyncdl._split(10.5, 700.3, 5)
+    assert ret == [10, 148, 286, 424, 562]
+
+
+    ret = asyncdl._split(0,500,5)
+    assert ret == [0,125,250,375]
+    
+    ret = asyncdl._split(0,500,500)
+    assert ret == [0,125,250,375]
+    
+    ret = asyncdl._split(-1,1000,5)
+    assert ret == [-1, 199, 399, 599, 799]
+    
+    """invalid argument order"""
+    try:
+        ret = asyncdl._split(500,0,5)
+        assert False
+    except ValueError:
+        assert True
+
+    """invalid count"""
+    try:
+        ret = asyncdl._split(0,500,-1)
+        assert False
+    except ValueError:
+        assert True
+
+    try:
+        ret = asyncdl._split(0,500,0)
+        assert False
+    except ValueError:
+        assert True
+
+    """invalid argument type"""
+    try:
+        ret = asyncdl._split(0,5000,5.2)
+        assert False
+    except ValueError:
+        assert True
+
+    try:
+        ret = asyncdl._split(0,5000,"test")
+        assert False
+    except ValueError:
+        assert True
+
+    try:
+        ret = asyncdl._split([0,1],5000,5)
+        assert False
+    except ValueError:
+        assert True