tests: Add test_fraction back in the testsuite

Properly porting it and adding a small test about getting fraction
from a Gst.Structure
This commit is contained in:
Thibault Saunier 2015-04-24 09:37:24 +02:00
parent 74f7ffbb24
commit b80ea319cd
2 changed files with 42 additions and 10 deletions

View file

@ -2,7 +2,8 @@
# http://www.gnu.org/software/automake/manual/automake.html#Wildcards
# Keep this list sorted!
tests = \
test_gst.py
test_gst.py \
test_fraction.py
EXTRA_DIST = \
__init__.py \

View file

@ -18,14 +18,20 @@
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import gobject
gobject.threads_init()
from common import gst, TestCase
import overrides_hack
overrides_hack
F = gst.Fraction
from common import TestCase
from gi.repository import Gst
Gst.init(None)
F = Gst.Fraction
class TestFraction(TestCase):
def testConstructor(self):
Gst.init(None)
frac = F(1, 2)
self.assertEquals(frac.num, 1)
self.assertEquals(frac.denom, 2)
@ -37,9 +43,13 @@ class TestFraction(TestCase):
self.assertRaises(TypeError, F)
def testRepr(self):
self.assertEquals(repr(F(1, 2)), '<gst.Fraction 1/2>')
Gst.init(None)
self.assertEquals(repr(F(1, 2)), '<Gst.Fraction 1/2>')
def testEqNe(self):
Gst.init(None)
frac = F(1, 2)
self.assertEquals(frac, frac)
self.assertEquals(F(1, 2), F(1, 2))
@ -49,17 +59,23 @@ class TestFraction(TestCase):
self.assertNotEquals(F(2, 1), F(1, 2))
def testMul(self):
Gst.init(None)
self.assertEquals(F(1, 2) * F(1, 2), F(1, 4))
self.assertEquals(F(2, 3) * F(4, 5), F(8, 15))
self.assertEquals(F(1, 3) * F(4), F(4, 3))
self.assertEquals(F(1, 3) * 4, F(4, 3))
def testRMul(self):
Gst.init(None)
self.assertEquals(2 * F(1, 2), F(1))
self.assertEquals(4 * F(1, 2), F(2))
self.assertEquals(-10 * F(1, 2), F(-5))
def testDiv(self):
Gst.init(None)
self.assertEquals(F(1, 3) / F(1, 4), F(4, 3))
self.assertEquals(F(2, 3) / F(4, 5), F(10, 12))
@ -69,24 +85,30 @@ class TestFraction(TestCase):
self.assertEquals(F(1, 5) / -4, F(1, -20))
def testRDiv(self):
Gst.init(None)
self.assertEquals(2 / F(1, 3), F(6, 1))
self.assertEquals(-4 / F(1, 5), F(-20, 1))
def testFloat(self):
Gst.init(None)
self.assertEquals(float(F(1, 2)), 0.5)
def testPropertyMarshalling(self):
try:
obj = gst.element_factory_make("videoparse")
except gst.ElementNotFoundError:
Gst.init(None)
obj = Gst.ElementFactory.make("videoparse")
if not obj:
# no videoparse and I don't know of any elements in core or -base using
# fraction properties. Skip this test.
return
value = obj.props.framerate
self.failUnlessEqual(value.num, 25)
self.failUnlessEqual(value.denom, 1)
obj.props.framerate = gst.Fraction(2, 1)
obj.props.framerate = Gst.Fraction(2, 1)
value = obj.props.framerate
self.failUnlessEqual(value.num, 2)
self.failUnlessEqual(value.denom, 1)
@ -98,3 +120,12 @@ class TestFraction(TestCase):
value = obj.props.framerate
self.failUnlessEqual(value.num, 2)
self.failUnlessEqual(value.denom, 1)
def testGetFractionValue(self):
Gst.init(None)
st = Gst.Structure.from_string("video/x-raw,framerate=10/1")[0]
value = st["framerate"]
self.failUnlessEqual(value.num, 10)
self.failUnlessEqual(value.denom, 1)