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Diffstat (limited to 'tests/functional/u/unnecessary_comprehension.py')
| -rw-r--r-- | tests/functional/u/unnecessary_comprehension.py | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/functional/u/unnecessary_comprehension.py b/tests/functional/u/unnecessary_comprehension.py new file mode 100644 index 000000000..57ad6caec --- /dev/null +++ b/tests/functional/u/unnecessary_comprehension.py @@ -0,0 +1,35 @@ +# pylint: disable=undefined-variable, pointless-statement, missing-docstring, line-too-long, bad-whitespace +# For name-reference see https://docs.python.org/3/reference/expressions.html#displays-for-lists-sets-and-dictionaries + +# List comprehensions +[x for x in iterable] # [unnecessary-comprehension] +[y for x in iterable] # expression != target_list +[x for x,y,z in iterable] # expression != target_list +[(x,y,z) for x,y,z in iterable] # [unnecessary-comprehension] +[(x,y,z) for (x,y,z) in iterable] # [unnecessary-comprehension] +[x for x, *y in iterable] # expression != target_list +[x for x in iterable if condition] # exclude comp_if +[y for x in iterable for y in x] # exclude nested comprehensions +[2 * x for x in iterable] # exclude useful comprehensions + +# Set comprehensions +{x for x in iterable} # [unnecessary-comprehension] +{y for x in iterable} # expression != target_list +{x for x,y,z in iterable} # expression != target_list +{(x,y,z) for x,y,z in iterable} # [unnecessary-comprehension] +{(x,y,z) for (x, y, z) in iterable} # [unnecessary-comprehension] +{(x,y,z) for x in iterable} # expression != target_list +{(x,y,(a,b,c)) for x in iterable} # expression != target_list +{x for x, *y in iterable} # expression != target_list +{x for x in iterable if condition} # exclude comp_if +{y for x in iterable for y in x} # exclude nested comprehensions + +# Dictionary comprehensions +{x: y for x, y in iterable} # [unnecessary-comprehension] +{y: x for x, y in iterable} # key value wrong order +{x: y for (x, y) in iterable} # [unnecessary-comprehension] +{x: y for x,y,z in iterable} # expression != target_list +{x: y for x, y in iterable if condition} # exclude comp_if +{y: z for x in iterable for y, z in x} # exclude nested comprehensions +{x: 1 for x in iterable} # expression != target_list +{2 * x: 3 + x for x in iterable} # exclude useful comprehensions |