def test_sigmerger_check_views():
s1 = Signal(np.empty((5, 5)))
s2 = Signal(np.empty((5, 5)))
# compatible along first axis
SigMerger.check_views([s1[:1], s1[1:]])
# compatible along second axis
SigMerger.check_views([s1[:1, :1], s1[:1, 1:]], axis=1)
with pytest.raises(ValueError):
SigMerger.check_views([s1[:1, :1], s1[:1, 1:]], axis=0)
# shape mismatch
with pytest.raises(ValueError):
SigMerger.check_views([s1[:1], s1[1:, 0]])
# different bases
with pytest.raises(ValueError):
SigMerger.check_views([s1[:2], s2[2:]])
def test_sigmerger_check_views():
s1 = Signal(np.empty((5, 5)))
s2 = Signal(np.empty((5, 5)))
# compatible along first axis
SigMerger.check_views([s1[:1], s1[1:]])
# compatible along second axis
SigMerger.check_views([s1[:1, :1], s1[:1, 1:]], axis=1)
with pytest.raises(ValueError):
SigMerger.check_views([s1[:1, :1], s1[:1, 1:]], axis=0)
# shape mismatch
with pytest.raises(ValueError):
SigMerger.check_views([s1[:1], s1[1:, 0]])
# different bases
with pytest.raises(ValueError):
SigMerger.check_views([s1[:2], s2[2:]])
def test_sigmerger_check_views():
s1 = Signal(shape=(5, 5))
s2 = Signal(shape=(5, 5))
# compatible along first axis
SigMerger.check_views([s1[:1], s1[1:]])
# compatible along second axis
SigMerger.check_views([s1[:1, :1], s1[:1, 1:]], axis=1)
# non-views
with pytest.raises(ValueError, match="Cannot merge non-views"):
SigMerger.check_views([s1, s2])
# different bases
with pytest.raises(ValueError, match="must share the same base"):
SigMerger.check_views([s1[:2], s2[2:]])
# different ndims
with pytest.raises(ValueError, match="must have the same number of dimensions"):
SigMerger.check_views([s1[:1], s1[1:, 0]])
# different strides
with pytest.raises(ValueError, match="must have equal strides"):
SigMerger.check_views([s1[::2], s1[::3]])
# shape mismatch
with pytest.raises(ValueError, match="must have same shape except on"):
SigMerger.check_views([s1[:1, :1], s1[:1, 1:]], axis=0)
# non-sequential
with pytest.raises(ValueError, match="Views are not sequential"):
SigMerger.check_views([s1[1:], s1[1:-1]])
