Remove default "contributor" role from UserInvite

lib/code_corps/model/user_invite.ex

@@ -5,7 +5,7 @@ defmodule CodeCorps.UserInvite do
 
   schema "user_invites" do
     field :email, :string, null: false
-    field :role, :string, default: "contributor"
+    field :role, :string
     field :name, :string
 
     belongs_to :project, CodeCorps.Project

priv/repo/migrations/20171228163712_add_user_invites.exs

@@ -3,13 +3,13 @@ defmodule CodeCorps.Repo.Migrations.AddUserInvites do
 
   def change do
     create table(:user_invites) do
-      add :email, :string, null: false
-      add :name, :string, null: true
-      add :role, :string, null: true, default: "contributor"
+      add(:email, :string, null: false)
+      add(:name, :string, null: true)
+      add(:role, :string, null: true)
 
-      add :inviter_id, references(:users)
-      add :invitee_id, references(:users)
-      add :project_id, references(:projects)
+      add(:inviter_id, references(:users))
+      add(:invitee_id, references(:users))
+      add(:project_id, references(:projects))
 
       timestamps()
     end

priv/repo/structure.sql

@@ -1735,7 +1735,7 @@ CREATE TABLE user_invites (
     id bigint NOT NULL,
     email character varying(255) NOT NULL,
     name character varying(255),
-    role character varying(255) DEFAULT 'contributor'::character varying,
+    role character varying(255),
     inviter_id bigint,
     invitee_id bigint,
     project_id bigint,

test/lib/code_corps/accounts/accounts_test.exs

@@ -189,17 +189,6 @@ defmodule CodeCorps.AccountsTest do
       assert user_invite.role == "admin"
     end
 
-    test "defaults role to 'contributor'"  do
-      %{id: inviter_id} = insert(:user)
-
-      {:ok, %UserInvite{} = user_invite} =
-        @base_attrs
-        |> Map.put(:inviter_id, inviter_id)
-        |> Accounts.create_invite
-
-      assert user_invite.role == "contributor"
-    end
-
     test "does not allow invalid roles" do
       %{id: inviter_id} = insert(:user)
 
@@ -285,13 +274,13 @@ defmodule CodeCorps.AccountsTest do
 
     test "creates project membership if project provided" do
       project = insert(:project)
-      invite = insert(:user_invite, invitee: nil, project: project)
+      invite = insert(:user_invite, invitee: nil, project: project, role: "admin")
 
       {:ok, %User{} = user} =
         @valid_user_params
         |> Map.put("invite_id", invite.id)
         |> Accounts.claim_invite
-      assert Repo.get_by(ProjectUser, user_id: user.id, project_id: project.id)
+      assert Repo.get_by(ProjectUser, user_id: user.id, project_id: project.id, role: "admin")
     end
 
     test "returns :invite_not_found if bad id provided" do