Initial upload

elixir/rpn-calculator/test/rpn_calculator_test.exs

@@ -0,0 +1,38 @@
+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