93 lines
2.7 KiB
Elixir
93 lines
2.7 KiB
Elixir
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defmodule UkraineTaxidEx.CommonsTest do
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use ExUnit.Case
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alias UkraineTaxidEx.Commons
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doctest UkraineTaxidEx.Commons
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describe "digits/2" do
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test "converts string to list of digits" do
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assert Commons.digits("123") == [1, 2, 3]
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assert Commons.digits("456") == [4, 5, 6]
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assert Commons.digits("789") == [7, 8, 9]
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end
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test "converts integer to list of digits" do
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assert Commons.digits(123) == [1, 2, 3]
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assert Commons.digits(456) == [4, 5, 6]
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assert Commons.digits(789) == [7, 8, 9]
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end
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test "pads with zeros when length is specified" do
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assert Commons.digits("123", 5) == [0, 0, 1, 2, 3]
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assert Commons.digits(123, 5) == [0, 0, 1, 2, 3]
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assert Commons.digits("45", 4) == [0, 0, 4, 5]
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end
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test "handles strings with non-digit characters" do
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assert Commons.digits("1-2-3") == [1, 2, 3]
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assert Commons.digits("A1B2C3") == [1, 2, 3]
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assert Commons.digits("12.34") == [1, 2, 3, 4]
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end
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test "handles empty string" do
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assert Commons.digits("") == []
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assert Commons.digits("", 3) == [0, 0, 0]
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end
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end
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describe "check_digit/1" do
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test "returns the last digit from the list" do
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assert Commons.check_digit([1, 2, 3, 4, 5]) == 5
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assert Commons.check_digit([9, 8, 7]) == 7
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end
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test "returns nil for empty list" do
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assert Commons.check_digit([]) == nil
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end
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end
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describe "value_digits/1" do
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test "returns all digits except the last one" do
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assert Commons.value_digits([1, 2, 3, 4, 5]) == [1, 2, 3, 4]
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assert Commons.value_digits([9, 8, 7]) == [9, 8]
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end
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test "returns empty list for empty input" do
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assert Commons.value_digits([]) == []
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end
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test "returns empty list for single digit input" do
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assert Commons.value_digits([1]) == []
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end
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end
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describe "value_and_check_digits/1" do
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test "returns tuple with value digits and check digit" do
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assert Commons.value_and_check_digits([1, 2, 3, 4, 5]) == {[1, 2, 3, 4], 5}
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assert Commons.value_and_check_digits([9, 8, 7]) == {[9, 8], 7}
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end
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test "handles empty list" do
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assert Commons.value_and_check_digits([]) == {[], nil}
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end
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test "handles single digit" do
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assert Commons.value_and_check_digits([1]) == {[], 1}
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end
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end
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describe "ok/1" do
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test "wraps data in ok tuple" do
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assert Commons.ok(123) == {:ok, 123}
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assert Commons.ok([1, 2, 3]) == {:ok, [1, 2, 3]}
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assert Commons.ok("test") == {:ok, "test"}
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end
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end
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describe "error/1" do
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test "wraps error in error tuple" do
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assert Commons.error("invalid") == {:error, "invalid"}
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assert Commons.error(:invalid_format) == {:error, :invalid_format}
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end
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end
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end
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