def test_bad_range_smaller():
msg = "Range 'from' need to be smaller than 'to' (got '3-2')"
with pytest.raises(ValueError, match=re.escape(msg)):
_parse_cells('3-2', 80)
def test_several_mixed():
r = _parse_cells('1,3,5-7,2,9,11-13', 80)
assert r == [1, 2, 3, 5, 6, 7, 9, 11, 12, 13]
def test_overlapped():
r = _parse_cells('3,5-7,6-9,8', 80)
assert r == [3, 5, 6, 7, 8, 9]
def test_not_int():
msg = "Found forbidden characters in cells definition (allowed digits, '-' and ',')"
with pytest.raises(ValueError, match=re.escape(msg)):
_parse_cells('1,a', 3)
def test_not_positive():
msg = "Cells need to be >=1"
with pytest.raises(ValueError, match=re.escape(msg)):
_parse_cells('3,0', 3)
def test_range_default_start():
r = _parse_cells('-3', 8)
assert r == [1, 2, 3]
def test_range_default_end():
r = _parse_cells('5-', 8)
assert r == [5, 6, 7, 8]
def test_several_limited():
msg = "Notebook loaded of len 3, smaller than requested cells: [1, 2, 3, 4]"
with pytest.raises(ValueError, match=re.escape(msg)):
_parse_cells('1-4', 3)
def test_several_range():
r = _parse_cells('1-9', 100)
assert r == [1, 2, 3, 4, 5, 6, 7, 8, 9]
def test_several_comma():
r = _parse_cells('1,3,5,9,7', 100)
assert r == [1, 3, 5, 7, 9]
def test_simple():
r = _parse_cells('1', 100)
assert r == [1]
def test_empty():
msg = "Empty cells spec not allowed"
with pytest.raises(ValueError, match=re.escape(msg)):
_parse_cells('', 100)
