def test_metadata_generation(tag_parsing_notebook):
result = [{
'block_names': ['imports'],
'in': [],
'out': []
}, {
'block_names': ['sum'],
'in': [],
'out': []
}, {
'block_names': ['cumsum'],
'in': [],
'out': [],
'previous_blocks': ['sum']
}, {
'block_names': [],
'in': [],
'out': []
}, {
'block_names': ['imports'],
'in': [],
'out': []
}, {
'block_names': ['os'],
'in': [],
'out': [],
'previous_blocks': ['sum', 'cumsum']
}]
parsed_tags = list()
for c in tag_parsing_notebook.cells:
# parse only source code cells
if c.cell_type != "code":
continue
tags = Kale.parse_metadata(c.metadata)
parsed_tags.append(tags)
pairs = zip(result, parsed_tags)
assert all(x == y for x, y in pairs)
def test_tag_block_error():
tag = {'metadata': {'tags': ["block:processing:dataset"]}}
with pytest.raises(ValueError):
Kale.parse_metadata(tag['metadata'])
def test_tag_block():
tag = {'metadata': {'tags': ["block:processing"]}}
target = {'block_names': ["processing"], 'in': [], 'out': []}
res = Kale.parse_metadata(tag['metadata'])
assert target == res
def test_tag_skip():
tag = {'metadata': {'tags': ['skip']}}
target = None
res = Kale.parse_metadata(tag['metadata'])
assert target == res
def test_empty_tag():
tag = {'metadata': {}}
target = {'block_names': [], 'in': [], 'out': []}
res = Kale.parse_metadata(tag['metadata'])
assert target == res
