exercism/elixir/rpn-calculator/test/rpn_calculator_test.exs
2022-08-24 14:28:45 +02:00

39 lines
1.1 KiB
Elixir

defmodule RPNCalculatorTest do
use ExUnit.Case
@tag task_id: 1
test "calculate! returns an :ok atom" do
assert RPNCalculator.calculate!([], fn _ -> :ok end) == :ok
end
@tag task_id: 1
test "let it crash" do
assert_raise(RuntimeError, fn ->
RPNCalculator.calculate!([], fn _ -> raise "test error" end)
end)
end
@tag task_id: 2
test "calculate returns a tuple" do
assert RPNCalculator.calculate([], fn _ -> "operation completed" end) ==
{:ok, "operation completed"}
end
@tag task_id: 2
test "rescue the crash, no message" do
assert RPNCalculator.calculate([], fn _ -> raise "test error" end) == :error
end
@tag task_id: 3
test "calculate_verbose returns a tuple" do
assert RPNCalculator.calculate_verbose([], fn _ -> "operation completed" end) ==
{:ok, "operation completed"}
end
@tag task_id: 3
test "rescue the crash, get error tuple with message" do
assert RPNCalculator.calculate_verbose([], fn _ -> raise ArgumentError, "test error" end) ==
{:error, "test error"}
end
end