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alias_order_test.exs
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alias_order_test.exs
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defmodule Credo.Check.Readability.AliasOrderTest do
use Credo.TestHelper
@described_check Credo.Check.Readability.AliasOrder
#
# cases NOT raising issues
#
test "it should NOT report violation" do
"""
defmodule Test do
alias App.Module1
alias App.Module2
alias Credo.CLI.Command
alias Credo.CLI.Filename
alias Credo.CLI.Sorter
end
"""
|> to_source_file
|> refute_issues(@described_check)
end
test "it should NOT report violation for independent blocks of alpha-ordered aliases" do
"""
defmodule Test do
alias Credo.CLI.Command
alias Credo.CLI.Filename
alias Credo.CLI.Sorter
alias App.Module1
alias App.Module2
end
"""
|> to_source_file
|> refute_issues(@described_check)
end
test "it should NOT report violation for multi-aliases when they are alpha-ordered" do
"""
defmodule Test do
alias App.CLI.{Filename,Sorter}
alias App.Foo.{Bar,Baz}
alias Credo.CLI.Command
alias Credo.CLI.Filename
alias Credo.CLI.Sorter
alias App.Module1
alias App.Module2
end
"""
|> to_source_file
|> refute_issues(@described_check)
end
test "it should work with __MODULE__" do
"""
defmodule Test do
alias __MODULE__.SubModule
alias Credo.CLI.Command
alias Credo.CLI.Filename
alias Credo.CLI.Sorter
end
"""
|> to_source_file
|> refute_issues(@described_check)
end
#
# cases raising issues
#
test "it should report a violation" do
"""
defmodule CredoSampleModule do
alias Credo.CLI.Sorter
alias Credo.CLI.Command
alias Credo.CLI.Filename
end
"""
|> to_source_file
|> assert_issue(@described_check)
end
test "it should report a violation with alias groups" do
"""
defmodule CredoSampleModule do
alias Credo.CLI.Command
alias Credo.CLI.Filename
alias Credo.CLI.Sorter
alias App.Module2
alias App.Module1
end
"""
|> to_source_file
|> assert_issue(@described_check)
end
test "it should report a violation with multi-alias" do
"""
defmodule CredoSampleModule do
alias App.CLI.{Bar,Baz}
alias App.Foo.{Sorter,Command,Filename}
alias Credo.CLI.Command
alias Credo.CLI.Filename
alias Credo.CLI.Sorter
alias App.Module1
alias App.Module2
end
"""
|> to_source_file
|> assert_issue(@described_check)
end
end