Introduce the group activity section

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

test/mobilizon/activities_test.exs

@@ -0,0 +1,91 @@
+defmodule Mobilizon.ActivitiesTest do
+  use Mobilizon.DataCase
+
+  alias Mobilizon.Activities
+  import Mobilizon.Factory
+
+  describe "activities" do
+    alias Mobilizon.Activities.Activity
+
+    @valid_attrs %{
+      message: "some message",
+      message_params: %{},
+      type: "event",
+      object_id: "some object_id",
+      subject: "event_created",
+      subject_params: %{}
+    }
+
+    @invalid_attrs %{
+      message: nil,
+      object_id: nil,
+      subject: nil
+    }
+
+    setup do
+      actor = insert(:actor)
+      group = insert(:group)
+      {:ok, actor: actor, group: group}
+    end
+
+    def activity_fixture(attrs \\ %{}) do
+      {:ok, activity} =
+        attrs
+        |> Enum.into(@valid_attrs)
+        |> Activities.create_activity()
+
+      activity
+    end
+
+    test "list_activities/0 returns all activities", %{actor: actor, group: group} do
+      activity =
+        activity_fixture(%{
+          group_id: group.id,
+          author_id: actor.id,
+          inserted_at: DateTime.utc_now()
+        })
+
+      assert Activities.list_activities() == [activity]
+    end
+
+    test "get_activity!/1 returns the activity with given id", %{actor: actor, group: group} do
+      activity =
+        activity_fixture(%{
+          author_id: actor.id,
+          group_id: group.id,
+          inserted_at: DateTime.utc_now()
+        })
+
+      assert Activities.get_activity!(activity.id) == activity
+    end
+
+    test "create_activity/1 with valid data creates a activity", %{actor: actor, group: group} do
+      assert {:ok, %Activity{} = activity} =
+               Activities.create_activity(
+                 @valid_attrs
+                 |> Map.put(:group_id, group.id)
+                 |> Map.put(:author_id, actor.id)
+                 |> Map.put(:inserted_at, DateTime.utc_now())
+               )
+
+      assert activity.message == "some message"
+      assert activity.message_params == %{}
+      assert activity.object_id == "some object_id"
+      assert activity.subject == :event_created
+      assert activity.subject_params == %{}
+    end
+
+    test "create_activity/1 with invalid data returns error changeset", %{
+      actor: actor,
+      group: group
+    } do
+      assert {:error, %Ecto.Changeset{}} =
+               Activities.create_activity(
+                 @invalid_attrs
+                 |> Map.put(:author_id, actor.id)
+                 |> Map.put(:group_id, group.id)
+                 |> Map.put(:inserted_at, DateTime.utc_now())
+               )
+    end
+  end
+end