54 lines
1.4 KiB
Elixir
54 lines
1.4 KiB
Elixir
defmodule Anonbb.DataCase do
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@moduledoc """
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This module defines the setup for tests requiring
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access to the application's data layer.
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You may define functions here to be used as helpers in
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your tests.
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Finally, if the test case interacts with the database,
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it cannot be async. For this reason, every test runs
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inside a transaction which is reset at the beginning
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of the test unless the test case is marked as async.
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"""
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use ExUnit.CaseTemplate
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using do
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quote do
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alias Anonbb.Repo
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import Ecto
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import Ecto.Changeset
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import Ecto.Query
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import Anonbb.DataCase
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end
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end
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setup tags do
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:ok = Ecto.Adapters.SQL.Sandbox.checkout(Anonbb.Repo)
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unless tags[:async] do
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Ecto.Adapters.SQL.Sandbox.mode(Anonbb.Repo, {:shared, self()})
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end
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:ok
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end
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@doc """
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A helper that transforms changeset errors into a map of messages.
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assert {:error, changeset} = Accounts.create_user(%{password: "short"})
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assert "password is too short" in errors_on(changeset).password
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assert %{password: ["password is too short"]} = errors_on(changeset)
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"""
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def errors_on(changeset) do
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Ecto.Changeset.traverse_errors(changeset, fn {message, opts} ->
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Regex.replace(~r"%{(\w+)}", message, fn _, key ->
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opts |> Keyword.get(String.to_existing_atom(key), key) |> to_string()
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end)
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end)
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end
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end
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