Extracted from qwan-tracker

test/support/fixtures/sample.ex

@@ -0,0 +1,27 @@
+defmodule Sample do
+  @moduledoc """
+  A sample module for testing microprint generation.
+  """
+
+  @my_attribute :value
+
+  @doc "Returns a greeting message"
+  def greet(name) do
+    "Hello, #{name}!"
+  end
+
+  # Private helper
+  defp format_name(name) do
+    String.capitalize(name)
+  end
+
+  @type status :: :ok | :error
+
+  def calculate(x, y) when is_number(x) and is_number(y) do
+    x + y
+  end
+
+  def list_items do
+    :standalone_atom
+  end
+end

test/support/test_pubsub.ex

@@ -0,0 +1,38 @@
+defmodule Microprints.TestPubSub do
+  @moduledoc """
+  Test helper for starting a Phoenix.PubSub server.
+
+  Provides `start_link/1` to start a PubSub server and returns the
+  server name for use with MicroprintCache.
+  """
+
+  @doc """
+  Starts a test PubSub server and returns its name.
+  """
+  def start_link(opts \\ []) do
+    name = opts[:name] || Microprints.TestPubSub
+
+    child_spec = Phoenix.PubSub.child_spec(name: name, adapter: Phoenix.PubSub.PG2)
+
+    # Start a temporary supervisor to host the PubSub server
+    case Supervisor.start_link([child_spec], strategy: :one_for_one) do
+      {:ok, sup_pid} ->
+        Process.put(:test_pubsub_supervisor, sup_pid)
+
+      {:error, {:already_started, sup_pid}} ->
+        Process.put(:test_pubsub_supervisor, sup_pid)
+    end
+
+    name
+  end
+
+  @doc """
+  Stops the test PubSub server.
+  """
+  def stop do
+    if sup_pid = Process.get(:test_pubsub_supervisor) do
+      Supervisor.stop(sup_pid)
+      Process.delete(:test_pubsub_supervisor)
+    end
+  end
+end