Initiate new release.

[youtubedl] / test / test_download.py

diff --git a/test/test_download.py b/test/test_download.py
index 3eca333f269748cabb1f09b62a11f70ace25b3ac..209f5f6d673c00c77e040430fda4b5d9b87f9c13 100644 (file)
--- a/test/test_download.py
+++ b/test/test_download.py
@@ -1,139 +1,262 @@
 #!/usr/bin/env python
 
 #!/usr/bin/env python
 

-import errno
-import hashlib
-import io
+from __future__ import unicode_literals
+
+# Allow direct execution

 import os
 import os

-import json
-import unittest

 import sys
 import sys

-import hashlib
-import socket
+import unittest
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from test.helper import (
+    assertGreaterEqual,
+    expect_warnings,
+    get_params,
+    gettestcases,
+    expect_info_dict,
+    try_rm,
+    report_warning,
+)

 
 

-# Allow direct execution
-sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

 
 

-import youtube_dl.FileDownloader
-import youtube_dl.InfoExtractors
-from youtube_dl.utils import *
+import hashlib
+import io
+import json
+import socket

 
 

-DEF_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'tests.json')
-PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "parameters.json")
+import youtube_dl.YoutubeDL
+from youtube_dl.compat import (
+    compat_http_client,
+    compat_urllib_error,
+    compat_HTTPError,
+)
+from youtube_dl.utils import (
+    DownloadError,
+    ExtractorError,
+    format_bytes,
+    UnavailableVideoError,
+)
+from youtube_dl.extractor import get_info_extractor

 
 RETRIES = 3
 
 
 RETRIES = 3
 

-# General configuration (from __init__, not very elegant...)
-jar = compat_cookiejar.CookieJar()
-cookie_processor = compat_urllib_request.HTTPCookieProcessor(jar)
-proxy_handler = compat_urllib_request.ProxyHandler()
-opener = compat_urllib_request.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
-compat_urllib_request.install_opener(opener)
-socket.setdefaulttimeout(10)
-
-def _try_rm(filename):
-    """ Remove a file if it exists """
-    try:
-        os.remove(filename)
-    except OSError as ose:
-        if ose.errno != errno.ENOENT:
-            raise
-
-class FileDownloader(youtube_dl.FileDownloader):
+
+class YoutubeDL(youtube_dl.YoutubeDL):

     def __init__(self, *args, **kwargs):
         self.to_stderr = self.to_screen
         self.processed_info_dicts = []
     def __init__(self, *args, **kwargs):
         self.to_stderr = self.to_screen
         self.processed_info_dicts = []

-        return youtube_dl.FileDownloader.__init__(self, *args, **kwargs)
+        super(YoutubeDL, self).__init__(*args, **kwargs)
+
+    def report_warning(self, message):
+        # Don't accept warnings during tests
+        raise ExtractorError(message)
+

     def process_info(self, info_dict):
         self.processed_info_dicts.append(info_dict)
     def process_info(self, info_dict):
         self.processed_info_dicts.append(info_dict)

-        return youtube_dl.FileDownloader.process_info(self, info_dict)
+        return super(YoutubeDL, self).process_info(info_dict)
+

 
 def _file_md5(fn):
     with open(fn, 'rb') as f:
         return hashlib.md5(f.read()).hexdigest()
 
 
 def _file_md5(fn):
     with open(fn, 'rb') as f:
         return hashlib.md5(f.read()).hexdigest()
 

-with io.open(DEF_FILE, encoding='utf-8') as deff:
-    defs = json.load(deff)
-with io.open(PARAMETERS_FILE, encoding='utf-8') as pf:
-    parameters = json.load(pf)
+
+defs = gettestcases()

 
 
 class TestDownload(unittest.TestCase):
 
 
 class TestDownload(unittest.TestCase):

+    # Parallel testing in nosetests. See
+    # http://nose.readthedocs.org/en/latest/doc_tests/test_multiprocess/multiprocess.html
+    _multiprocess_shared_ = True
+

     maxDiff = None
     maxDiff = None

+
+    def __str__(self):
+        """Identify each test with the `add_ie` attribute, if available."""
+
+        def strclass(cls):
+            """From 2.7's unittest; 2.6 had _strclass so we can't import it."""
+            return '%s.%s' % (cls.__module__, cls.__name__)
+
+        add_ie = getattr(self, self._testMethodName).add_ie
+        return '%s (%s)%s:' % (self._testMethodName,
+                               strclass(self.__class__),
+                               ' [%s]' % add_ie if add_ie else '')
+

     def setUp(self):
     def setUp(self):

-        self.parameters = parameters

         self.defs = defs
 
         self.defs = defs
 

-### Dynamically generate tests
-def generator(test_case):
+# Dynamically generate tests
+
+
+def generator(test_case, tname):

 
     def test_template(self):
 
     def test_template(self):

-        ie = youtube_dl.InfoExtractors.get_info_extractor(test_case['name'])
-        if not ie._WORKING:
-            print('Skipping: IE marked as not _WORKING')
-            return
-        if 'playlist' not in test_case and not test_case['file']:
-            print('Skipping: No output file specified')
+        ie = youtube_dl.extractor.get_info_extractor(test_case['name'])
+        other_ies = [get_info_extractor(ie_key) for ie_key in test_case.get('add_ie', [])]
+        is_playlist = any(k.startswith('playlist') for k in test_case)
+        test_cases = test_case.get(
+            'playlist', [] if is_playlist else [test_case])
+
+        def print_skipping(reason):
+            print('Skipping %s: %s' % (test_case['name'], reason))
+        if not ie.working():
+            print_skipping('IE marked as not _WORKING')

             return
             return

+
+        for tc in test_cases:
+            info_dict = tc.get('info_dict', {})
+            if not (info_dict.get('id') and info_dict.get('ext')):
+                raise Exception('Test definition incorrect. The output file cannot be known. Are both \'id\' and \'ext\' keys present?')
+

         if 'skip' in test_case:
         if 'skip' in test_case:

-            print('Skipping: {0}'.format(test_case['skip']))
+            print_skipping(test_case['skip'])

             return
             return

+        for other_ie in other_ies:
+            if not other_ie.working():
+                print_skipping('test depends on %sIE, marked as not WORKING' % other_ie.ie_key())
+                return

 
 

-        params = self.parameters.copy()
-        params.update(test_case.get('params', {}))
+        params = get_params(test_case.get('params', {}))
+        params['outtmpl'] = tname + '_' + params['outtmpl']
+        if is_playlist and 'playlist' not in test_case:
+            params.setdefault('extract_flat', 'in_playlist')
+            params.setdefault('skip_download', True)

 
 

-        fd = FileDownloader(params)
-        for ie in youtube_dl.InfoExtractors.gen_extractors():
-            fd.add_info_extractor(ie)
+        ydl = YoutubeDL(params, auto_init=False)
+        ydl.add_default_info_extractors()

         finished_hook_called = set()
         finished_hook_called = set()

+

         def _hook(status):
             if status['status'] == 'finished':
                 finished_hook_called.add(status['filename'])
         def _hook(status):
             if status['status'] == 'finished':
                 finished_hook_called.add(status['filename'])

-        fd.add_progress_hook(_hook)
+        ydl.add_progress_hook(_hook)
+        expect_warnings(ydl, test_case.get('expected_warnings', []))

 
 

-        test_cases = test_case.get('playlist', [test_case])
-        for tc in test_cases:
-            _try_rm(tc['file'])
-            _try_rm(tc['file'] + '.part')
-            _try_rm(tc['file'] + '.info.json')
+        def get_tc_filename(tc):
+            return ydl.prepare_filename(tc.get('info_dict', {}))
+
+        res_dict = None
+
+        def try_rm_tcs_files(tcs=None):
+            if tcs is None:
+                tcs = test_cases
+            for tc in tcs:
+                tc_filename = get_tc_filename(tc)
+                try_rm(tc_filename)
+                try_rm(tc_filename + '.part')
+                try_rm(os.path.splitext(tc_filename)[0] + '.info.json')
+        try_rm_tcs_files()

         try:
         try:

-            for retry in range(1, RETRIES + 1):
+            try_num = 1
+            while True:

                 try:
                 try:

-                    fd.download([test_case['url']])
+                    # We're not using .download here since that is just a shim
+                    # for outside error handling, and returns the exit code
+                    # instead of the result dict.
+                    res_dict = ydl.extract_info(
+                        test_case['url'],
+                        force_generic_extractor=params.get('force_generic_extractor', False))

                 except (DownloadError, ExtractorError) as err:
                 except (DownloadError, ExtractorError) as err:

-                    if retry == RETRIES: raise
-

                     # Check if the exception is not a network related one
                     # Check if the exception is not a network related one

-                    if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
+                    if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError, compat_http_client.BadStatusLine) or (err.exc_info[0] == compat_HTTPError and err.exc_info[1].code == 503):

                         raise
 
                         raise
 

-                    print('Retrying: {0} failed tries\n\n##########\n\n'.format(retry))
+                    if try_num == RETRIES:
+                        report_warning('%s failed due to network errors, skipping...' % tname)
+                        return
+
+                    print('Retrying: {0} failed tries\n\n##########\n\n'.format(try_num))
+
+                    try_num += 1

                 else:
                     break
 
                 else:
                     break
 

-            for tc in test_cases:
+            if is_playlist:
+                self.assertTrue(res_dict['_type'] in ['playlist', 'multi_video'])
+                self.assertTrue('entries' in res_dict)
+                expect_info_dict(self, res_dict, test_case.get('info_dict', {}))
+
+            if 'playlist_mincount' in test_case:
+                assertGreaterEqual(
+                    self,
+                    len(res_dict['entries']),
+                    test_case['playlist_mincount'],
+                    'Expected at least %d in playlist %s, but got only %d' % (
+                        test_case['playlist_mincount'], test_case['url'],
+                        len(res_dict['entries'])))
+            if 'playlist_count' in test_case:
+                self.assertEqual(
+                    len(res_dict['entries']),
+                    test_case['playlist_count'],
+                    'Expected %d entries in playlist %s, but got %d.' % (
+                        test_case['playlist_count'],
+                        test_case['url'],
+                        len(res_dict['entries']),
+                    ))
+            if 'playlist_duration_sum' in test_case:
+                got_duration = sum(e['duration'] for e in res_dict['entries'])
+                self.assertEqual(
+                    test_case['playlist_duration_sum'], got_duration)
+
+            # Generalize both playlists and single videos to unified format for
+            # simplicity
+            if 'entries' not in res_dict:
+                res_dict['entries'] = [res_dict]
+
+            for tc_num, tc in enumerate(test_cases):
+                tc_res_dict = res_dict['entries'][tc_num]
+                # First, check test cases' data against extracted data alone
+                expect_info_dict(self, tc_res_dict, tc.get('info_dict', {}))
+                # Now, check downloaded file consistency
+                tc_filename = get_tc_filename(tc)

                 if not test_case.get('params', {}).get('skip_download', False):
                 if not test_case.get('params', {}).get('skip_download', False):

-                    self.assertTrue(os.path.exists(tc['file']), msg='Missing file ' + tc['file'])
-                    self.assertTrue(tc['file'] in finished_hook_called)
-                self.assertTrue(os.path.exists(tc['file'] + '.info.json'))
-                if 'md5' in tc:
-                    md5_for_file = _file_md5(tc['file'])
-                    self.assertEqual(md5_for_file, tc['md5'])
-                with io.open(tc['file'] + '.info.json', encoding='utf-8') as infof:
+                    self.assertTrue(os.path.exists(tc_filename), msg='Missing file ' + tc_filename)
+                    self.assertTrue(tc_filename in finished_hook_called)
+                    expected_minsize = tc.get('file_minsize', 10000)
+                    if expected_minsize is not None:
+                        if params.get('test'):
+                            expected_minsize = max(expected_minsize, 10000)
+                        got_fsize = os.path.getsize(tc_filename)
+                        assertGreaterEqual(
+                            self, got_fsize, expected_minsize,
+                            'Expected %s to be at least %s, but it\'s only %s ' %
+                            (tc_filename, format_bytes(expected_minsize),
+                                format_bytes(got_fsize)))
+                    if 'md5' in tc:
+                        md5_for_file = _file_md5(tc_filename)
+                        self.assertEqual(tc['md5'], md5_for_file)
+                # Finally, check test cases' data again but this time against
+                # extracted data from info JSON file written during processing
+                info_json_fn = os.path.splitext(tc_filename)[0] + '.info.json'
+                self.assertTrue(
+                    os.path.exists(info_json_fn),
+                    'Missing info file %s' % info_json_fn)
+                with io.open(info_json_fn, encoding='utf-8') as infof:

                     info_dict = json.load(infof)
                     info_dict = json.load(infof)

-                for (info_field, value) in tc.get('info_dict', {}).items():
-                    self.assertEqual(value, info_dict.get(info_field))
+                expect_info_dict(self, info_dict, tc.get('info_dict', {}))

         finally:
         finally:

-            for tc in test_cases:
-                _try_rm(tc['file'])
-                _try_rm(tc['file'] + '.part')
-                _try_rm(tc['file'] + '.info.json')
+            try_rm_tcs_files()
+            if is_playlist and res_dict is not None and res_dict.get('entries'):
+                # Remove all other files that may have been extracted if the
+                # extractor returns full results even with extract_flat
+                res_tcs = [{'info_dict': e} for e in res_dict['entries']]
+                try_rm_tcs_files(res_tcs)

 
     return test_template
 
 
     return test_template
 

-### And add them to TestDownload
-for test_case in defs:
-    test_method = generator(test_case)
-    test_method.__name__ = "test_{0}".format(test_case["name"])
+
+# And add them to TestDownload
+for n, test_case in enumerate(defs):
+    tname = 'test_' + str(test_case['name'])
+    i = 1
+    while hasattr(TestDownload, tname):
+        tname = 'test_%s_%d' % (test_case['name'], i)
+        i += 1
+    test_method = generator(test_case, tname)
+    test_method.__name__ = str(tname)
+    ie_list = test_case.get('add_ie')
+    test_method.add_ie = ie_list and ','.join(ie_list)

     setattr(TestDownload, test_method.__name__, test_method)
     del test_method
 
     setattr(TestDownload, test_method.__name__, test_method)
     del test_method