test #39, stringio has been read() can be read() again by seeking at 0

Author: chfw

CHANGELOG.rst

@@ -7,8 +7,8 @@ Change log
 Added
 ********************************************************************************
 
-#. `issue 38 <https://github.com/pyexcel/django-excel/issues/38>`_, Support
-   unicode code as download file name
+#. `issue 39 <https://github.com/pyexcel/django-excel/issues/39>`_, explicitly
+   seeking at 0
 
 0.0.7 - 29.06.2017
 --------------------------------------------------------------------------------

testResponse.py

@@ -12,6 +12,7 @@
 import pyexcel.ext.xlsx  # noqa
 import pyexcel.ext.ods3  # noqa
 from django_excel._compact import urllib_quote
+from django_excel import ExcelInMemoryUploadedFile
 from nose.tools import eq_
 
 PY2 = sys.version_info[0] == 2
@@ -20,6 +21,12 @@
 else:
     from collections import OrderedDict
 
+if PY2:
+    from StringIO import StringIO
+else:
+    from io import StringIO
+
+
 _XLSX_MIME = (
     "application/" +
     "vnd.openxmlformats-officedocument.spreadsheetml.sheet")
@@ -279,3 +286,20 @@ class ExcelResponseUsingFileTestCase(ExcelResponseTestCase):
 @override_settings(FILE_UPLOAD_MAX_MEMORY_SIZE=1)
 class DatabaseOperationsUsingFileTestCase(DatabaseOperationsTestCase):
     pass
+
+
+class TestUploadedFile(TestCase):
+    def test_in_memory_file(self):
+        test_content = 'a,b,c'
+        strio = StringIO(test_content)
+        strio.read()
+        in_memory_file = ExcelInMemoryUploadedFile(
+            file=strio,
+            field_name='test',
+            name='test_file',
+            content_type='text',
+            size=3,
+            charset=None
+        )
+        params = in_memory_file.get_params()
+        eq_(params['file_content'], test_content)