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140 lines
4.7 KiB
Python
140 lines
4.7 KiB
Python
import os
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import time
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import pytest
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from requests.structures import CaseInsensitiveDict
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from httpie.compat import urlopen
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from httpie.downloads import (
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parse_content_range, filename_from_content_disposition, filename_from_url,
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get_unique_filename, ContentRangeError, Download,
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)
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from utils import http, TestEnvironment
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class Response(object):
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# noinspection PyDefaultArgument
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def __init__(self, url, headers={}, status_code=200):
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self.url = url
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self.headers = CaseInsensitiveDict(headers)
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self.status_code = status_code
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class TestDownloadUtils:
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def test_Content_Range_parsing(self):
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parse = parse_content_range
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assert parse('bytes 100-199/200', 100) == 200
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assert parse('bytes 100-199/*', 100) == 200
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# missing
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pytest.raises(ContentRangeError, parse, None, 100)
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# syntax error
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pytest.raises(ContentRangeError, parse, 'beers 100-199/*', 100)
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# unexpected range
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pytest.raises(ContentRangeError, parse, 'bytes 100-199/*', 99)
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# invalid instance-length
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pytest.raises(ContentRangeError, parse, 'bytes 100-199/199', 100)
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# invalid byte-range-resp-spec
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pytest.raises(ContentRangeError, parse, 'bytes 100-99/199', 100)
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# invalid byte-range-resp-spec
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pytest.raises(ContentRangeError, parse, 'bytes 100-100/*', 100)
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@pytest.mark.parametrize('header, expected_filename', [
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('attachment; filename=hello-WORLD_123.txt', 'hello-WORLD_123.txt'),
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('attachment; filename=".hello-WORLD_123.txt"', 'hello-WORLD_123.txt'),
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('attachment; filename="white space.txt"', 'white space.txt'),
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(r'attachment; filename="\"quotes\".txt"', '"quotes".txt'),
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('attachment; filename=/etc/hosts', 'hosts'),
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('attachment; filename=', None)
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])
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def test_Content_Disposition_parsing(self, header, expected_filename):
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assert filename_from_content_disposition(header) == expected_filename
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def test_filename_from_url(self):
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assert 'foo.txt' == filename_from_url(
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url='http://example.org/foo',
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content_type='text/plain'
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)
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assert 'foo.html' == filename_from_url(
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url='http://example.org/foo',
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content_type='text/html; charset=utf8'
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)
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assert 'foo' == filename_from_url(
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url='http://example.org/foo',
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content_type=None
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)
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assert 'foo' == filename_from_url(
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url='http://example.org/foo',
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content_type='x-foo/bar'
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)
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def test_unique_filename(self):
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def attempts(unique_on_attempt=0):
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# noinspection PyUnresolvedReferences,PyUnusedLocal
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def exists(filename):
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if exists.attempt == unique_on_attempt:
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return False
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exists.attempt += 1
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return True
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exists.attempt = 0
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return exists
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assert 'foo.bar' == get_unique_filename('foo.bar', attempts(0))
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assert 'foo.bar-1' == get_unique_filename('foo.bar', attempts(1))
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assert 'foo.bar-10' == get_unique_filename('foo.bar', attempts(10))
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class TestDownloads:
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# TODO: more tests
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def test_actual_download(self, httpbin):
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url = httpbin.url + '/robots.txt'
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body = urlopen(url).read().decode()
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env = TestEnvironment(stdin_isatty=True, stdout_isatty=False)
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r = http('--download', url, env=env)
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assert 'Downloading' in r.stderr
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assert '[K' in r.stderr
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assert 'Done' in r.stderr
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assert body == r
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def test_download_with_Content_Length(self, httpbin):
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devnull = open(os.devnull, 'w')
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download = Download(output_file=devnull, progress_file=devnull)
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download.start(Response(
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url=httpbin.url + '/',
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headers={'Content-Length': 10}
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))
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time.sleep(1.1)
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download.chunk_downloaded(b'12345')
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time.sleep(1.1)
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download.chunk_downloaded(b'12345')
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download.finish()
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assert not download.interrupted
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def test_download_no_Content_Length(self, httpbin):
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devnull = open(os.devnull, 'w')
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download = Download(output_file=devnull, progress_file=devnull)
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download.start(Response(url=httpbin.url + '/'))
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time.sleep(1.1)
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download.chunk_downloaded(b'12345')
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download.finish()
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assert not download.interrupted
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def test_download_interrupted(self, httpbin):
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devnull = open(os.devnull, 'w')
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download = Download(output_file=devnull, progress_file=devnull)
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download.start(Response(
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url=httpbin.url + '/',
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headers={'Content-Length': 5}
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))
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download.chunk_downloaded(b'1234')
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download.finish()
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assert download.interrupted
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