streamlined and simplified dynamic tests generation; readded a couple of test features

test/test_download.py

@@ -1,72 +1,94 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
+
 import hashlib
+import io
 import os
 import json
 import unittest
 import sys
+import socket
 
-from youtube_dl.FileDownloader import FileDownloader
-#import all the info extractor
-import youtube_dl
+# 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 *
 
 DEF_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'tests.json')
-PARAM_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'parameters.json'
-)
+PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "parameters.json")
 
+# 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(300) # 5 minutes should be enough (famous last words)
+
+class FileDownloader(youtube_dl.FileDownloader):
+    def __init__(self, *args, **kwargs):
+        youtube_dl.FileDownloader.__init__(self, *args, **kwargs)
+        self.to_stderr = self.to_screen
+
+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)
 
 class TestDownload(unittest.TestCase):
-    pass
+    def setUp(self):
+        self.parameters = parameters
+        self.defs = defs
+
+        # Clear old files
+        self.tearDown()
+
+    def tearDown(self):
+        for fn in [ test.get('file', False) for test in self.defs ]:
+            if fn and os.path.exists(fn):
+                os.remove(fn)
 
 
-def md5_for_file(filename, block_size=2**20):
-    with open(filename) as f:
-        md5 = hashlib.md5()
-        while True:
-            data = f.read(block_size)
-            if not data:
-                break
-            md5.update(data)
-        return md5.hexdigest()
+### Dinamically generate tests
+def generator(test_case):
 
-
-def generator(name, url, md5, file, ie_param, optional_ie):
     def test_template(self):
-        fd = FileDownloader(ie_param)
-        fd.add_info_extractor(getattr(youtube_dl, name + "IE")())
-        fd.download([url])
-        self.assertTrue(os.path.exists(file))
-        self.assertEqual(md5_for_file(file), md5)
+        ie = getattr(youtube_dl.InfoExtractors, test_case['name'] + 'IE')
+        if not ie._WORKING:
+            print('Skipping: IE marked as not _WORKING')
+            return
+        if not test_case['file']:
+            print('Skipping: No output file specified')
+            return
+        if 'skip' in test_case:
+            print('Skipping: {0}'.format(test_case['skip']))
+            return
+        params = dict(self.parameters) # Duplicate it locally
+        for p in test_case.get('params', {}):
+            params[p] = test_case['params'][p]
+        fd = FileDownloader(params)
+        fd.add_info_extractor(ie())
+        for ien in test_case.get('add_ie', []):
+            fd.add_info_extractor(getattr(youtube_dl.InfoExtractors, ien + 'IE')())
+        fd.download([test_case['url']])
+        self.assertTrue(os.path.exists(test_case['file']))
+        if 'md5' in test_case:
+            md5_for_file = _file_md5(test_case['file'])
+            self.assertEqual(md5_for_file, test_case['md5'])
+
     return test_template
-    #only python 2.7
 
-def clean_generator(files):
-    def clean_template(self):
-        for file_name in files:
-            if os.path.exists(file_name):
-                os.remove(file_name)
-    return clean_template
-
-with open(DEF_FILE, "r") as f:
-    with open(PARAM_FILE) as fp:
-        p = json.load(fp)
-        test_param = json.load(f)
-        files = set()
-        for test_case in test_param:
-            if test_case.get("broken", False):
-                continue
-            try:
-                files.add(test_case["file"])
-                test_method = generator(test_case['name'], test_case['url'], test_case['md5'], test_case['file'], p, test_case.get('add_ie', []))
-                test_method.__name__ = "test_{0}".format(test_case["name"])
-                setattr(TestDownload, test_method.__name__, test_method)
-                del test_method
-            except KeyError as e:
-                sys.stderr.write("Issue with the parameters of test {0}.\n".format(test_case.get("name", "unknown test")))
-        #clean the files
-        ff = clean_generator(files)
-        ff.__name__ = "tearDown"
-        setattr(TestDownload, ff.__name__, ff)
-        del ff
+### And add them to TestDownload
+for test_case in defs:
+    test_method = generator(test_case)
+    test_method.__name__ = "test_{0}".format(test_case["name"])
+    setattr(TestDownload, test_method.__name__, test_method)
+    del test_method
 
 
 if __name__ == '__main__':