def fake_response_from_file(file_name, url=None):
"""
Create a Scrapy fake HTTP response from a HTML file
@param file_name: The relative filename from the responses directory,
but absolute paths are also accepted.
@param url: The URL of the response.
returns: A scrapy HTTP response which can be used for unittesting.
"""
if not url:
url = 'http://www.lebooks.me'
request = Request(url=url)
if not file_name[0] == '/':
responses_dir = os.path.dirname(os.path.realpath(__file__))
file_path = os.path.join(responses_dir, file_name)
else:
file_path = file_name
file_content = open(file_path, 'r').read()
if file_path.endswith('.html'):
response = HtmlResponse(url=url, request=request, body=file_content)
# response.encoding = 'utf-8'
return response
else:
response = Response(url=url,
request=request,
body=file_content)
response.encoding = 'utf-8'
return response
