mirror of
https://github.com/wanderer-industries/wanderer
synced 2026-05-01 15:00:31 +00:00
Guarzo
51 lines
1.3 KiB
Elixir
51 lines
1.3 KiB
Elixir
defmodule WandererApp.EnvHelper do
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@moduledoc """
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Test helpers for temporarily overriding application environment configuration.
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## Usage
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import WandererApp.EnvHelper
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test "something with custom config" do
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with_env_override(:map_subscriptions_enabled, true) do
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# Your test code here
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# Environment will be restored after block
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end
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end
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"""
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@doc """
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Temporarily overrides an application environment variable for the duration of the block.
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The original value is automatically restored after the block executes, even if an
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exception is raised.
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## Parameters
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- `key` - The environment key to override (atom)
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- `value` - The value to set temporarily
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- `block` - The code block to execute with the overridden value
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## Examples
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with_env_override(:sse_enabled, true) do
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assert WandererApp.Env.sse_enabled?() == true
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end
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"""
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def with_env_override(key, value, do: block) do
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app = :wanderer_app
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original = Application.get_env(app, key)
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try do
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Application.put_env(app, key, value)
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block
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after
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if original != nil do
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Application.put_env(app, key, original)
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else
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Application.delete_env(app, key)
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end
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end
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end
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end
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