Add users

test/nulla/users_test.exs

@@ -0,0 +1,59 @@
+defmodule Nulla.UsersTest do
+  use Nulla.DataCase
+
+  alias Nulla.Users
+
+  describe "users" do
+    alias Nulla.Users.User
+
+    import Nulla.UsersFixtures
+
+    @invalid_attrs %{username: nil}
+
+    test "list_users/0 returns all users" do
+      user = user_fixture()
+      assert Users.list_users() == [user]
+    end
+
+    test "get_user!/1 returns the user with given id" do
+      user = user_fixture()
+      assert Users.get_user!(user.id) == user
+    end
+
+    test "create_user/1 with valid data creates a user" do
+      valid_attrs = %{username: "some username"}
+
+      assert {:ok, %User{} = user} = Users.create_user(valid_attrs)
+      assert user.username == "some username"
+    end
+
+    test "create_user/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Users.create_user(@invalid_attrs)
+    end
+
+    test "update_user/2 with valid data updates the user" do
+      user = user_fixture()
+      update_attrs = %{username: "some updated username"}
+
+      assert {:ok, %User{} = user} = Users.update_user(user, update_attrs)
+      assert user.username == "some updated username"
+    end
+
+    test "update_user/2 with invalid data returns error changeset" do
+      user = user_fixture()
+      assert {:error, %Ecto.Changeset{}} = Users.update_user(user, @invalid_attrs)
+      assert user == Users.get_user!(user.id)
+    end
+
+    test "delete_user/1 deletes the user" do
+      user = user_fixture()
+      assert {:ok, %User{}} = Users.delete_user(user)
+      assert_raise Ecto.NoResultsError, fn -> Users.get_user!(user.id) end
+    end
+
+    test "change_user/1 returns a user changeset" do
+      user = user_fixture()
+      assert %Ecto.Changeset{} = Users.change_user(user)
+    end
+  end
+end