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import os.path
import struct
from tests.compat import unittest
from webtest.compat import to_bytes
from webtest.compat import to_string
from webtest.compat import join_bytes
from webtest.compat import binary_type
from webtest.compat import PY3
from webob import Request
import webtest
def single_upload_file_app(environ, start_response):
req = Request(environ)
status = "200 OK"
if req.method == "GET":
body = to_bytes(
"""
<html>
<head><title>form page</title></head>
<body>
<form method="POST" id="file_upload_form"
enctype="multipart/form-data">
<input name="file-field" type="file" />
<input name="button" type="submit" value="single">
</form>
</body>
</html>
""")
else:
uploaded_files = req.POST.getall("file-field")
body_head = to_bytes(
"""
<html>
<head><title>display page</title></head>
<body>
""")
file_parts = []
for uploaded_file in uploaded_files:
file_parts.append(\
""" <p>You selected '%(filename)s'</p>
<p>with contents: '%(value)s'</p>
""" % dict(filename=to_string(uploaded_file.filename),
value=to_string(uploaded_file.value)))
body_foot = to_bytes(
""" </body>
</html>
""")
body = body_head + join_bytes("", file_parts) + body_foot
headers = [
('Content-Type', 'text/html; charset=utf-8'),
('Content-Length', str(len(body)))]
start_response(status, headers)
assert(isinstance(body, binary_type))
return [body]
def upload_binary_app(environ, start_response):
req = Request(environ)
status = "200 OK"
if req.method == "GET":
body = to_bytes("""
<html>
<head><title>form page</title></head>
<body>
<form method="POST" id="binary_upload_form"
enctype="multipart/form-data">
<input name="binary-file-field" type="file" />
<input name="button" type="submit" value="binary" />
</form>
</body>
</html>
""")
else:
uploaded_files = req.POST.getall("binary-file-field")
data = [str(n) for n in struct.unpack('255h', uploaded_files[0].value)]
body = to_bytes("""
<html>
<head><title>display page</title></head>
<body>
%s
</body>
</html>
""" % join_bytes(',', data))
headers = [
('Content-Type', 'text/html; charset=utf-8'),
('Content-Length', str(len(body)))]
start_response(status, headers)
return [body]
def multiple_upload_file_app(environ, start_response):
req = Request(environ)
status = "200 OK"
if req.method == "GET":
body = to_bytes(
"""
<html>
<head><title>form page</title></head>
<body>
<form method="POST" id="file_upload_form"
enctype="multipart/form-data">
<input name="file-field-1" type="file" />
<input name="file-field-2" type="file" />
<input name="button" type="submit" value="single">
</form>
</body>
</html>
""")
else:
uploaded_file_1 = req.POST.get("file-field-1")
uploaded_file_2 = req.POST.get("file-field-2")
uploaded_files = [uploaded_file_1, uploaded_file_2]
body_head = to_bytes(
"""
<html>
<head><title>display page</title></head>
<body>
""")
file_parts = []
for uploaded_file in uploaded_files:
print (to_bytes(uploaded_file.filename), type(uploaded_file.value))
file_parts.append(
"""
<p>You selected '%(filename)s'</p>
<p>with contents: '%(value)s'</p>
""" % dict(filename=to_string(uploaded_file.filename),
value=to_string(uploaded_file.value)))
body_foot = to_bytes(
""" </body>
</html>
""")
body = body_head + join_bytes("", file_parts) + body_foot
headers = [
('Content-Type', 'text/html; charset=utf-8'),
('Content-Length', str(len(body)))]
start_response(status, headers)
return [body]
class TestFileUpload(unittest.TestCase):
def test_no_uploads_error(self):
app = webtest.TestApp(single_upload_file_app)
uploads = app.get('/').forms["file_upload_form"].upload_fields()
def test_upload_without_file(self):
app = webtest.TestApp(single_upload_file_app)
upload_form = app.get('/').forms["file_upload_form"]
upload_form.submit()
def test_file_upload_with_filename_only(self):
uploaded_file_name = \
os.path.join(os.path.dirname(__file__), "__init__.py")
uploaded_file_contents = open(uploaded_file_name).read()
if PY3:
uploaded_file_contents = to_bytes(uploaded_file_contents)
app = webtest.TestApp(single_upload_file_app)
res = app.get('/')
self.assertEqual(res.status_int, 200)
self.assertEqual(res.headers['content-type'], 'text/html; charset=utf-8')
self.assertEqual(res.content_type, 'text/html')
self.assertEqual(res.charset, 'utf-8')
single_form = res.forms["file_upload_form"]
single_form.set("file-field", (uploaded_file_name,))
display = single_form.submit("button")
self.assertIn("<p>You selected '%s'</p>" % uploaded_file_name, display, display)
self.assertIn("<p>with contents: '%s'</p>" % to_string(uploaded_file_contents), display, \
display)
def test_file_upload_with_filename_and_contents(self):
uploaded_file_name = \
os.path.join(os.path.dirname(__file__), "__init__.py")
uploaded_file_contents = open(uploaded_file_name).read()
if PY3:
uploaded_file_contents = to_bytes(uploaded_file_contents)
app = webtest.TestApp(single_upload_file_app)
res = app.get('/')
self.assertEqual(res.status_int, 200)
self.assertEqual(res.headers['content-type'], 'text/html; charset=utf-8')
self.assertEqual(res.content_type, 'text/html')
single_form = res.forms["file_upload_form"]
single_form.set("file-field",
(uploaded_file_name, uploaded_file_contents))
display = single_form.submit("button")
self.assertIn("<p>You selected '%s'</p>" % uploaded_file_name, display, display)
self.assertIn("<p>with contents: '%s'</p>" % to_string(uploaded_file_contents), display, \
display)
def test_file_upload_binary(self):
binary_data = struct.pack('255h', *range(0,255))
app = webtest.TestApp(upload_binary_app)
res = app.get('/')
single_form = res.forms["binary_upload_form"]
single_form.set("binary-file-field", ('my_file.dat', binary_data))
display = single_form.submit("button")
self.assertIn(','.join([str(n) for n in range(0,255)]), display)
def test_multiple_file_uploads_with_filename_and_contents(self):
uploaded_file1_name = \
os.path.join(os.path.dirname(__file__), "__init__.py")
uploaded_file1_contents = open(uploaded_file1_name).read()
if PY3:
uploaded_file1_contents = to_bytes(uploaded_file1_contents)
uploaded_file2_name = __file__
uploaded_file2_contents = open(uploaded_file2_name).read()
if PY3:
uploaded_file2_contents = to_bytes(uploaded_file2_contents)
app = webtest.TestApp(multiple_upload_file_app)
res = app.get('/')
self.assertEqual(res.status_int, 200)
self.assertEqual(res.headers['content-type'], 'text/html; charset=utf-8')
self.assertEqual(res.content_type, 'text/html')
single_form = res.forms["file_upload_form"]
single_form.set("file-field-1", (uploaded_file1_name, uploaded_file1_contents))
single_form.set("file-field-2", (uploaded_file2_name, uploaded_file2_contents))
display = single_form.submit("button")
self.assertIn("<p>You selected '%s'</p>" % uploaded_file1_name, display, display)
self.assertIn("<p>with contents: '%s'</p>" % to_string(uploaded_file1_contents), display, \
display)
self.assertIn("<p>You selected '%s'</p>" % uploaded_file2_name, display, display)
self.assertIn("<p>with contents: '%s'</p>" % to_string(uploaded_file2_contents), display, \
display)
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