cleanup, unify

lib/radiator/podcasts.ex

@@ -1,6 +1,7 @@
 defmodule Radiator.Podcasts do
   @moduledoc """
   The Podcast context.
+  Handles repo operations for stations, episodes, and podcasts.
   """
 
   import Ecto.Query, warn: false

lib/radiator/podcasts/episode.ex

@@ -13,6 +13,6 @@ defmodule Radiator.Podcasts.Episode do
   def changeset(episode, attrs) do
     episode
     |> cast(attrs, [:title])
-    |> validate_required([:title])
+    |> validate_required([:title, :podcast_id])
   end
 end

test/radiator/podcasts_test.exs

@@ -2,6 +2,59 @@ defmodule Radiator.PodcastsTest do
   use Radiator.DataCase
 
   alias Radiator.Podcasts
+  import Radiator.PodcastsFixtures
+
+  describe "stations" do
+    alias Radiator.Podcasts.Station
+
+    @invalid_attrs %{title: nil}
+
+    test "list_stations/0 returns all stations" do
+      station = station_fixture()
+      assert Podcasts.list_stations() == [station]
+    end
+
+    test "get_station!/1 returns the station with given id" do
+      station = station_fixture()
+      assert Podcasts.get_station!(station.id) == station
+    end
+
+    test "create_station/1 with valid data creates a station" do
+      valid_attrs = %{title: "some title"}
+
+      assert {:ok, %Station{} = station} = Podcasts.create_station(valid_attrs)
+      assert station.title == "some title"
+    end
+
+    test "create_station/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Podcasts.create_station(@invalid_attrs)
+    end
+
+    test "update_station/2 with valid data updates the station" do
+      station = station_fixture()
+      update_attrs = %{title: "some updated title"}
+
+      assert {:ok, %Station{} = station} = Podcasts.update_station(station, update_attrs)
+      assert station.title == "some updated title"
+    end
+
+    test "update_station/2 with invalid data returns error changeset" do
+      station = station_fixture()
+      assert {:error, %Ecto.Changeset{}} = Podcasts.update_station(station, @invalid_attrs)
+      assert station == Podcasts.get_station!(station.id)
+    end
+
+    test "delete_station/1 deletes the station" do
+      station = station_fixture()
+      assert {:ok, %Station{}} = Podcasts.delete_station(station)
+      assert_raise Ecto.NoResultsError, fn -> Podcasts.get_station!(station.id) end
+    end
+
+    test "change_station/1 returns a station changeset" do
+      station = station_fixture()
+      assert %Ecto.Changeset{} = Podcasts.change_station(station)
+    end
+  end
 
   describe "podcasts" do
     alias Radiator.Podcasts.Podcast

test/support/fixtures/podcasts_fixtures.ex

@@ -3,18 +3,35 @@ defmodule Radiator.PodcastsFixtures do
   This module defines test helpers for creating
   entities via the `Radiator.Podcasts` context.
   """
+  alias Radiator.Podcasts
+
+  @doc """
+  Generate a station.
+  """
+  def station_fixture(attrs \\ %{}) do
+    {:ok, station} =
+      attrs
+      |> Enum.into(%{
+        title: "metastation"
+      })
+      |> Podcasts.create_station()
+
+    station
+  end
 
   @doc """
   Generate a podcast.
   """
   def podcast_fixture(attrs \\ %{}) do
+    station = station_fixture()
+
     {:ok, podcast} =
       attrs
       |> Enum.into(%{
         hostname: "some hostname",
         title: "some title"
       })
-      |> Radiator.Podcasts.create_podcast()
+      |> Podcasts.create_podcast()
 
     podcast
   end
@@ -28,7 +45,7 @@ defmodule Radiator.PodcastsFixtures do
       |> Enum.into(%{
         title: "some title"
       })
-      |> Radiator.Podcasts.create_episode()
+      |> Podcasts.create_episode()
 
     episode
   end