def test_outer_variable_double_shadow(
assert_errors,
parse_ast_tree,
default_options,
mode,
):
"""Testing that shadowing vars are not allowed."""
tree = parse_ast_tree(
mode("""
a = 1
def test1():
a = 2
def test2(a):
...
"""))
visitor = BlockVariableVisitor(default_options, tree=tree)
visitor.run()
assert_errors(visitor, [
OuterScopeShadowingViolation,
OuterScopeShadowingViolation,
])
def test_variable_used_correctly(
assert_errors,
parse_ast_tree,
default_options,
code,
mode,
):
"""Testing that using variables inside a block is correct."""
tree = parse_ast_tree(mode(code))
visitor = BlockVariableVisitor(default_options, tree=tree)
visitor.run()
assert_errors(visitor, [])
def test_outer_variable_shadow(
assert_errors,
parse_ast_tree,
default_options,
code,
mode,
):
"""Testing that shadowing vars are not allowed."""
tree = parse_ast_tree(mode(code))
visitor = BlockVariableVisitor(default_options, tree=tree)
visitor.run()
assert_errors(visitor, [OuterScopeShadowingViolation])
def test_reuse_overlap(
assert_errors,
parse_ast_tree,
default_options,
mode,
block_statement,
local_statement,
first_name,
second_name,
):
"""Ensures that overlapping variables exist no."""
code = context.format(
block_statement.format(first_name, second_name),
local_statement.format(first_name, second_name),
)
tree = parse_ast_tree(mode(code))
visitor = BlockVariableVisitor(default_options, tree=tree)
visitor.run()
assert_errors(visitor, [BlockAndLocalOverlapViolation])