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Help message on invalid component #249

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merged 1 commit into from
Nov 9, 2024
Merged

Help message on invalid component #249

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9 changes: 6 additions & 3 deletions lib/cli.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -10,9 +10,12 @@ defmodule Onigumo.CLI do
strict: [working_dir: :string]
) do
{switches, [component], []} ->
{:ok, module} = Map.fetch(@components, String.to_atom(component))
working_dir = Keyword.get(switches, :working_dir, File.cwd!())
module.main(working_dir)
with {:ok, module} <- Map.fetch(@components, String.to_atom(component)) do
working_dir = Keyword.get(switches, :working_dir, File.cwd!())
module.main(working_dir)
else
:error -> usage_message()
end

_ ->
usage_message()
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2 changes: 1 addition & 1 deletion test/onigumo_cli_test.exs
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Expand Up @@ -21,7 +21,7 @@ defmodule OnigumoCLITest do
describe("Onigumo.CLI.main/1") do
for argument <- @invalid_arguments do
test("run CLI with invalid argument #{inspect(argument)}") do
assert_raise(MatchError, fn -> Onigumo.CLI.main([unquote(argument)]) end)
assert usage_message_printed?(fn -> Onigumo.CLI.main([unquote(argument)]) end)
end
end

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