diff options
author | Pierre de Lacroix <pierre@pdelacroix.com> | 2020-12-09 11:03:21 +0100 |
---|---|---|
committer | Pierre de Lacroix <pierre@pdelacroix.com> | 2020-12-09 11:03:21 +0100 |
commit | 00c212554e24ea707499859b30f75374d4d3508a (patch) | |
tree | 3d8e4a69bf45e52c4fc1b79fa9c64388cbb19aee /test/support/data_case.ex | |
parent | update dependencies (diff) |
add bridge context
Diffstat (limited to 'test/support/data_case.ex')
-rw-r--r-- | test/support/data_case.ex | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/support/data_case.ex b/test/support/data_case.ex new file mode 100644 index 0000000..475f748 --- /dev/null +++ b/test/support/data_case.ex @@ -0,0 +1,53 @@ +defmodule MatrixAppService.DataCase do + @moduledoc """ + This module defines the setup for tests requiring + access to the application's data layer. + You may define functions here to be used as helpers in + your tests. + Finally, if the test case interacts with the database, + it cannot be async. For this reason, every test runs + inside a transaction which is reset at the beginning + of the test unless the test case is marked as async. + """ + + use ExUnit.CaseTemplate + + alias Ecto.Adapters.SQL.Sandbox + alias Ecto.Changeset + alias MatrixAppService.Repo + + using do + quote do + alias MatrixAppService.Repo + + import Ecto + import Ecto.Changeset + import Ecto.Query + import MatrixAppService.DataCase + end + end + + setup tags do + :ok = Sandbox.checkout(Repo) + + unless tags[:async] do + Sandbox.mode(Repo, {:shared, self()}) + end + + :ok + end + + @doc """ + A helper that transform changeset errors to a map of messages. + assert {:error, changeset} = Accounts.create_user(%{password: "short"}) + assert "password is too short" in errors_on(changeset).password + assert %{password: ["password is too short"]} = errors_on(changeset) + """ + def errors_on(changeset) do + Changeset.traverse_errors(changeset, fn {message, opts} -> + Enum.reduce(opts, message, fn {key, value}, acc -> + String.replace(acc, "%{#{key}}", to_string(value)) + end) + end) + end +end |