Hi Michael I've written a tiny lib for this -> https://github.com/lpil/temporary-env
Perhaps you might find this useful :) Cheers, Louis On Fri, 26 Jan 2018, 14:24 Michael Schaefermeyer, < michael.schaeferme...@gmail.com> wrote: > Hey all, > > I regularly find myself changing the Application configuration in tests to > temporarily adjust a setting (i.e. when using Bypass and changing the > configured endpoint for HTTP requests). > > My current workflow looks as follows: > > test "something" do > old_env = Application.get_env(:app, Module) > new_env = Keyword.put(old_env, :key, value) > > Application.put_env(:app, Module, new_env) > > # Do something that reads the config > Application.put_env(:app, Module, old_env) > end > > Besides being quite repetitive it disallows async tests, as another test > might be reading from the Application environment while this test is > running. > > Ideally, ExUnit would allow me to temporarily change the Application > environment in a async-safe way: > > test "something" do > with_application_env :app, Module, fn(config) -> Keyword.put(config, : > key, value), fn -> > # Do something that reads the config > end > end > > Of course I could make the configuration module configurable and use > something other than Application. The reason I am still suggesting this is > that I feel like configuring your app via Application is still the way to > go and I wouldn't want to diverge from that standard just for tests. > > Hope that makes sense. I would love to hear your thoughts. > > Thanks, > Michael > > -- > You received this message because you are subscribed to the Google Groups > "elixir-lang-core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to elixir-lang-core+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elixir-lang-core/4b863c84-2062-42f3-b0a0-92b1d122f40c%40googlegroups.com > <https://groups.google.com/d/msgid/elixir-lang-core/4b863c84-2062-42f3-b0a0-92b1d122f40c%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "elixir-lang-core" group. To unsubscribe from this group and stop receiving emails from it, send an email to elixir-lang-core+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/CABu8xFDWPftNWFJGeRNXRsXRNXXL7NjKxEKkLn%3DtcnrFqchjRw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
