Manage the Elixir application environment within a test context
https://github.com/fremantle-industries/with_env
defmodule HelloTest do
use ExUnit.Case
use WithEnv
test "can put values into the env" do
assert Application.get_env(:hello, :saying) == nil
with_env put: [hello: [saying: "galaxy"]] do
assert Application.get_env(:hello, :saying) == "galaxy"
end
assert Application.get_env(:hello, :saying) == nil
end
test "can delete values from the env" do
Application.put_env(:hello, :saying, "world")
with_env delete: [hello: [:saying]] do
assert Application.get_env(:hello, :saying) == nil
end
assert Application.get_env(:hello, :saying) == "world"
assert Application.delete_env(:hello, :saying) == :ok
end
end
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