python-requests-toolbelt/tests/test_multipart_monitor.py

66 lines
2.0 KiB
Python

# -*- coding: utf-8 -*-
import math
import unittest
from requests_toolbelt.multipart.encoder import (
IDENTITY, MultipartEncoder, MultipartEncoderMonitor
)
class TestMultipartEncoderMonitor(unittest.TestCase):
def setUp(self):
self.fields = {'a': 'b'}
self.boundary = 'thisisaboundary'
self.encoder = MultipartEncoder(self.fields, self.boundary)
self.monitor = MultipartEncoderMonitor(self.encoder)
def test_content_type(self):
assert self.monitor.content_type == self.encoder.content_type
def test_length(self):
assert self.encoder.len == self.monitor.len
def test_read(self):
new_encoder = MultipartEncoder(self.fields, self.boundary)
assert new_encoder.read() == self.monitor.read()
def test_callback_called_when_reading_everything(self):
callback = Callback(self.monitor)
self.monitor.callback = callback
self.monitor.read()
assert callback.called == 1
def test_callback(self):
callback = Callback(self.monitor)
self.monitor.callback = callback
chunk_size = int(math.ceil(self.encoder.len / 4.0))
while self.monitor.read(chunk_size):
pass
assert callback.called == 5
def test_bytes_read(self):
bytes_to_read = self.encoder.len
self.monitor.read()
assert self.monitor.bytes_read == bytes_to_read
def test_default_callable_is_the_identity(self):
assert self.monitor.callback == IDENTITY
assert IDENTITY(1) == 1
def test_from_fields(self):
monitor = MultipartEncoderMonitor.from_fields(
self.fields, self.boundary
)
assert isinstance(monitor, MultipartEncoderMonitor)
assert isinstance(monitor.encoder, MultipartEncoder)
assert monitor.encoder.boundary_value == self.boundary
class Callback(object):
def __init__(self, monitor):
self.called = 0
self.monitor = monitor
def __call__(self, monitor):
self.called += 1
assert monitor == self.monitor