create unique files and clean the static directory since tests run in…

… parallell

collectfast/tests/test_command.py

@@ -5,7 +5,7 @@
 from django.utils.six import StringIO
 
 from collectfast import settings
-from .utils import test, create_static_file
+from .utils import test, create_static_file, clean_static_dir
 
 
 def override_setting(name, value):
@@ -30,7 +30,8 @@ def call_collectstatic(*args, **kwargs):
 
 @test
 def test_basics(case):
-    create_static_file('static/testfile.txt')
+    clean_static_dir()
+    create_static_file()
     result = call_collectstatic()
     case.assertIn("1 static file copied.", result)
     # file state should now be cached
@@ -41,7 +42,8 @@ def test_basics(case):
 @test
 @override_setting("threads", 5)
 def test_threads(case):
-    create_static_file('static/testfile.txt')
+    clean_static_dir()
+    create_static_file()
     result = call_collectstatic()
     case.assertIn("1 static file copied.", result)
     # file state should now be cached
@@ -66,7 +68,8 @@ def test_collectfast_disabled(case):
 
 @test
 def test_disable_collectfast(case):
-    create_static_file('static/testfile.txt')
+    clean_static_dir()
+    create_static_file()
     result = call_collectstatic(disable_collectfast=True)
     case.assertIn("1 static file copied.", result)
 

collectfast/tests/utils.py

@@ -1,5 +1,7 @@
 import random
 import unittest
+import uuid
+import os
 
 
 def test(func):
@@ -15,9 +17,18 @@ def test(func):
     return type(func.__name__, (unittest.TestCase, ), {func.__name__: func})
 
 
-def create_static_file(filename):
+def create_static_file():
+    filename = 'static/%s.txt' % uuid.uuid4()
     for i in range(3):
         with open(filename, 'w+') as f:
             for i in range(500):
                 f.write(chr(int(random.random() * 64)))
             f.close()
+
+
+def clean_static_dir():
+    d = 'static/'
+    for f in os.listdir(d):
+        path = os.path.join(d, f)
+        if os.path.isfile(path):
+            os.unlink(path)