/
parentheses_on_zero_arity_defs_test.exs
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/
parentheses_on_zero_arity_defs_test.exs
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defmodule Credo.Check.Readability.ParenthesesOnZeroArityDefsTest do
use Credo.TestHelper
@described_check Credo.Check.Readability.ParenthesesOnZeroArityDefs
#
# cases NOT raising issues
#
test "it should NOT report expected code" do
"""
defmodule CredoSampleModule do
def some_function(parameter1, parameter2) do
parameter1 + parameter2
end
def some_other_function do
defp = 18
end
end
"""
|> to_source_file
|> refute_issues(@described_check)
end
#
# cases raising issues
#
test "it should report a violation with parens (by default)" do
"""
defmodule Mix.Tasks.Credo do
def run() do
21
end
end
"""
|> to_source_file
|> assert_issue(@described_check)
end
test "it should report a violation with no parens if parens: true" do
"""
defmodule Mix.Tasks.Credo do
def run do
21
end
end
"""
|> to_source_file
|> assert_issue(@described_check, [parens: true], _callback = nil)
end
test "it should not crash on macros creating zero arity functions" do
"""
defmodule Credo.Sample.Module do
defmacro dynamic_methoder(attribute, value) do
quote do
def unquote(attribute)(), do: unquote(value)
end
end
end
"""
|> to_source_file
|> refute_issues(@described_check)
end
end