43 lines
1.5 KiB
Elixir
43 lines
1.5 KiB
Elixir
defmodule EnvarsTest do
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use ExUnit.Case
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describe "Envars.read!/1" do
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setup do
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System.put_env("STRING_VAR", "FOOBAR")
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System.put_env("INTEGER_VAR", "123")
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System.put_env("BOOLEAN_VAR_1", "1")
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System.put_env("BOOLEAN_VAR_2", "0")
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System.put_env("BOOLEAN_VAR_3", "True")
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System.put_env("BOOLEAN_VAR_4", "FALSE")
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end
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test "parses environment variables and uses defaults" do
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assert %{
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"STRING_VAR" => "FOOBAR",
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"INTEGER_VAR" => 123,
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"UNDEFINED_VAR" => nil,
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"BOOLEAN_VAR_1" => true,
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"BOOLEAN_VAR_2" => false,
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"BOOLEAN_VAR_3" => true,
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"BOOLEAN_VAR_4" => false,
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"DEFAULTED_VAR" => "<default value>"
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} ==
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Envars.read!(%{
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"STRING_VAR" => [type: :string, required: true],
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"INTEGER_VAR" => [type: :integer, default: 10],
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"UNDEFINED_VAR" => [required: false],
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"BOOLEAN_VAR_1" => [type: :boolean],
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"BOOLEAN_VAR_2" => [type: :boolean],
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"BOOLEAN_VAR_3" => [type: :boolean],
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"BOOLEAN_VAR_4" => [type: :boolean],
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"DEFAULTED_VAR" => [required: true, default: "<default value>"]
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})
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end
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test "raises and error with ALL missing environment variables" do
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assert_raise RuntimeError, ~r/MISSING_1\n - MISSING_2/, fn ->
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Envars.read!(%{"MISSING_1" => [], "MISSING_2" => []})
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end
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end
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end
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end
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