lecutre 07

lectures/07/bcit/test/support/fixtures/accounts_fixtures.ex

@@ -0,0 +1,89 @@
+defmodule Bcit.AccountsFixtures do
+  @moduledoc """
+  This module defines test helpers for creating
+  entities via the `Bcit.Accounts` context.
+  """
+
+  import Ecto.Query
+
+  alias Bcit.Accounts
+  alias Bcit.Accounts.Scope
+
+  def unique_user_email, do: "user#{System.unique_integer()}@example.com"
+  def valid_user_password, do: "hello world!"
+
+  def valid_user_attributes(attrs \\ %{}) do
+    Enum.into(attrs, %{
+      email: unique_user_email()
+    })
+  end
+
+  def unconfirmed_user_fixture(attrs \\ %{}) do
+    {:ok, user} =
+      attrs
+      |> valid_user_attributes()
+      |> Accounts.register_user()
+
+    user
+  end
+
+  def user_fixture(attrs \\ %{}) do
+    user = unconfirmed_user_fixture(attrs)
+
+    token =
+      extract_user_token(fn url ->
+        Accounts.deliver_login_instructions(user, url)
+      end)
+
+    {:ok, {user, _expired_tokens}} =
+      Accounts.login_user_by_magic_link(token)
+
+    user
+  end
+
+  def user_scope_fixture do
+    user = user_fixture()
+    user_scope_fixture(user)
+  end
+
+  def user_scope_fixture(user) do
+    Scope.for_user(user)
+  end
+
+  def set_password(user) do
+    {:ok, {user, _expired_tokens}} =
+      Accounts.update_user_password(user, %{password: valid_user_password()})
+
+    user
+  end
+
+  def extract_user_token(fun) do
+    {:ok, captured_email} = fun.(&"[TOKEN]#{&1}[TOKEN]")
+    [_, token | _] = String.split(captured_email.text_body, "[TOKEN]")
+    token
+  end
+
+  def override_token_authenticated_at(token, authenticated_at) when is_binary(token) do
+    Bcit.Repo.update_all(
+      from(t in Accounts.UserToken,
+        where: t.token == ^token
+      ),
+      set: [authenticated_at: authenticated_at]
+    )
+  end
+
+  def generate_user_magic_link_token(user) do
+    {encoded_token, user_token} = Accounts.UserToken.build_email_token(user, "login")
+    Bcit.Repo.insert!(user_token)
+    {encoded_token, user_token.token}
+  end
+
+  def offset_user_token(token, amount_to_add, unit) do
+    dt = DateTime.add(DateTime.utc_now(:second), amount_to_add, unit)
+
+    Bcit.Repo.update_all(
+      from(ut in Accounts.UserToken, where: ut.token == ^token),
+      set: [inserted_at: dt, authenticated_at: dt]
+    )
+  end
+end

lectures/07/bcit/test/support/fixtures/schools_fixtures.ex

@@ -0,0 +1,30 @@
+defmodule Bcit.SchoolsFixtures do
+  @moduledoc """
+  This module defines test helpers for creating
+  entities via the `Bcit.Schools` context.
+  """
+
+  @doc """
+  Generate a unique student sid.
+  """
+  def unique_student_sid do
+    "A" <> (System.unique_integer([:positive]) |> Integer.to_string() |> String.pad_leading(8, "0"))
+  end
+
+  @doc """
+  Generate a student.
+  """
+  def student_fixture(attrs \\ %{}) do
+    {:ok, student} =
+      attrs
+      |> Enum.into(%{
+        firstname: "some firstname",
+        gpa: 85.5,
+        lastname: "some lastname",
+        sid: unique_student_sid()
+      })
+      |> Bcit.Schools.create_student()
+
+    student
+  end
+end