Fix video filename for tests.

The error was not detected is the _build was present. So this commit also
removes the _build before each test.

.travis.yml

@@ -14,6 +14,7 @@ before_install:
     - sudo apt-get install -qq ubuntu-restricted-extras
     - sudo apt-get install -qq libfreetype6-dev libjpeg8-dev zlib1g-dev ffmpeg
     - sudo locale-gen fr_FR.UTF-8
+    - ffmpeg -version
 install:
     - pip install -q Pillow==$PILLOW_VERSION
     - pip install pytest pytest-cov

tests/conftest.py

@@ -3,10 +3,19 @@
 import os
 import PIL
 import pytest
+import shutil
 
 from sigal.settings import read_settings
 
 CURRENT_DIR = os.path.abspath(os.path.dirname(__file__))
+BUILD_DIR = os.path.join(CURRENT_DIR, 'sample', '_build')
+
+
+@pytest.fixture(scope='session', autouse=True)
+def remove_build():
+    """Ensure that build directory does not exists before each test."""
+    if os.path.exists(BUILD_DIR):
+        shutil.rmtree(BUILD_DIR)
 
 
 @pytest.fixture

tests/test_gallery.py

@@ -66,7 +66,7 @@ REF = {
         'thumbnail': ('video/thumbnails/'
                       'stallman software-freedom-day-low.tn.jpg'),
         'subdirs': [],
-        'medias': ['stallman software-freedom-day-low.webm']
+        'medias': ['stallman software-freedom-day-low.ogv']
     }
 }
 
@@ -151,27 +151,19 @@ def test_album(path, album, settings, tmpdir):
         assert a.name == album['name']
         assert a.subdirs == album['subdirs']
         assert a.thumbnail == album['thumbnail']
-        assert [m.filename for m in a.medias] == album['medias']
+        if path == 'video':
+            assert list(a.images) == []
+            assert [m.filename for m in a.medias] == \
+                [album['medias'][0].replace('.ogv', '.webm')]
+        else:
+            assert list(a.videos) == []
+            assert [m.filename for m in a.medias] == album['medias']
         assert len(a) == len(album['medias'])
     finally:
         # restore locale back
         locale.setlocale(locale.LC_ALL, old_locale)
 
 
-def test_album_medias(settings):
-    gal = Gallery(settings, ncpu=1)
-
-    album = REF['dir1/test1']
-    a = Album('dir1/test1', settings, album['subdirs'], album['medias'], gal)
-    assert list(im.filename for im in a.images) == album['medias']
-    assert list(a.videos) == []
-
-    album = REF['video']
-    a = Album('video', settings, album['subdirs'], album['medias'], gal)
-    assert list(im.filename for im in a.videos) == album['medias']
-    assert list(a.images) == []
-
-
 def test_albums_sort(settings):
     gal = Gallery(settings, ncpu=1)
     album = REF['dir1']