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94 lines
4.2 KiB
Python
94 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
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import unittest
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from scrapy.responsetypes import responsetypes
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from scrapy.http import Response, TextResponse, XmlResponse, HtmlResponse, Headers
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class ResponseTypesTest(unittest.TestCase):
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def test_from_filename(self):
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mappings = [
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('data.bin', Response),
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('file.txt', TextResponse),
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('file.xml.gz', Response),
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('file.xml', XmlResponse),
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('file.html', HtmlResponse),
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('file.unknownext', Response),
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]
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for source, cls in mappings:
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retcls = responsetypes.from_filename(source)
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assert retcls is cls, "%s ==> %s != %s" % (source, retcls, cls)
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def test_from_content_disposition(self):
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mappings = [
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(b'attachment; filename="data.xml"', XmlResponse),
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(b'attachment; filename=data.xml', XmlResponse),
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(u'attachment;filename=data£.tar.gz'.encode('utf-8'), Response),
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(u'attachment;filename=dataµ.tar.gz'.encode('latin-1'), Response),
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(u'attachment;filename=data高.doc'.encode('gbk'), Response),
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(u'attachment;filename=دورهdata.html'.encode('cp720'), HtmlResponse),
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(u'attachment;filename=日本語版Wikipedia.xml'.encode('iso2022_jp'), XmlResponse),
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]
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for source, cls in mappings:
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retcls = responsetypes.from_content_disposition(source)
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assert retcls is cls, "%s ==> %s != %s" % (source, retcls, cls)
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def test_from_content_type(self):
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mappings = [
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('text/html; charset=UTF-8', HtmlResponse),
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('text/xml; charset=UTF-8', XmlResponse),
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('application/xhtml+xml; charset=UTF-8', HtmlResponse),
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('application/vnd.wap.xhtml+xml; charset=utf-8', HtmlResponse),
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('application/xml; charset=UTF-8', XmlResponse),
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('application/octet-stream', Response),
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('application/x-json; encoding=UTF8;charset=UTF-8', TextResponse),
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('application/json-amazonui-streaming;charset=UTF-8', TextResponse),
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]
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for source, cls in mappings:
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retcls = responsetypes.from_content_type(source)
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assert retcls is cls, "%s ==> %s != %s" % (source, retcls, cls)
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def test_from_body(self):
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mappings = [
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(b'\x03\x02\xdf\xdd\x23', Response),
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(b'Some plain text\ndata with tabs\t and null bytes\0', TextResponse),
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(b'<html><head><title>Hello</title></head>', HtmlResponse),
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(b'<?xml version="1.0" encoding="utf-8"', XmlResponse),
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]
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for source, cls in mappings:
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retcls = responsetypes.from_body(source)
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assert retcls is cls, "%s ==> %s != %s" % (source, retcls, cls)
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def test_from_headers(self):
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mappings = [
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({'Content-Type': ['text/html; charset=utf-8']}, HtmlResponse),
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({'Content-Type': ['application/octet-stream'], 'Content-Disposition': ['attachment; filename=data.txt']}, TextResponse),
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({'Content-Type': ['text/html; charset=utf-8'], 'Content-Encoding': ['gzip']}, Response),
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]
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for source, cls in mappings:
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source = Headers(source)
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retcls = responsetypes.from_headers(source)
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assert retcls is cls, "%s ==> %s != %s" % (source, retcls, cls)
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def test_from_args(self):
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# TODO: add more tests that check precedence between the different arguments
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mappings = [
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({'url': 'http://www.example.com/data.csv'}, TextResponse),
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# headers takes precedence over url
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({'headers': Headers({'Content-Type': ['text/html; charset=utf-8']}), 'url': 'http://www.example.com/item/'}, HtmlResponse),
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({'headers': Headers({'Content-Disposition': ['attachment; filename="data.xml.gz"']}), 'url': 'http://www.example.com/page/'}, Response),
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]
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for source, cls in mappings:
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retcls = responsetypes.from_args(**source)
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assert retcls is cls, "%s ==> %s != %s" % (source, retcls, cls)
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def test_custom_mime_types_loaded(self):
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# check that mime.types files shipped with scrapy are loaded
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self.assertEqual(responsetypes.mimetypes.guess_type('x.scrapytest')[0], 'x-scrapy/test')
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if __name__ == "__main__":
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unittest.main()
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