Add tests for assoc constraint, fix schema name

test/models/stripe_account_test.exs

@@ -9,19 +9,33 @@ defmodule CodeCorps.StripeAccountTest do
 
   @invalid_attrs %{}
 
-  test "changeset with valid attributes" do
-    organization_id = insert(:organization).id
+  describe "create_changeset/2" do
+    test "reports as valid when attributes are valid" do
+      organization_id = insert(:organization).id
 
-    changes = Map.merge(@valid_attrs, %{organization_id: organization_id})
-    changeset = StripeAccount.create_changeset(%StripeAccount{}, changes)
-    assert changeset.valid?
-  end
+      changes = Map.merge(@valid_attrs, %{organization_id: organization_id})
+      changeset = StripeAccount.create_changeset(%StripeAccount{}, changes)
+      assert changeset.valid?
+    end
+
+    test "reports as invalid when attributes are invalid" do
+      changeset = StripeAccount.create_changeset(%StripeAccount{}, @invalid_attrs)
+      refute changeset.valid?
+
+      assert changeset.errors[:id_from_stripe] == {"can't be blank", []}
+      assert changeset.errors[:organization_id] == {"can't be blank", []}
+    end
+
+    test "ensures associations link to records that exist" do
+      attrs =  @valid_attrs |> Map.merge(%{organization_id: -1})
 
-  test "changeset with invalid attributes" do
-    changeset = StripeAccount.create_changeset(%StripeAccount{}, @invalid_attrs)
-    refute changeset.valid?
+      { result, changeset } =
+        StripeAccount.create_changeset(%StripeAccount{}, attrs)
+        |> Repo.insert
 
-    assert changeset.errors[:id_from_stripe] == {"can't be blank", []}
-    assert changeset.errors[:organization_id] == {"can't be blank", []}
+      assert result == :error
+      refute changeset.valid?
+      assert changeset.errors[:organization] == {"does not exist", []}
+    end
   end
 end

web/models/stripe_account.ex

@@ -5,7 +5,7 @@ defmodule CodeCorps.StripeAccount do
 
   use CodeCorps.Web, :model
 
-  schema "stripe_account" do
+  schema "stripe_accounts" do
     field :business_name, :string
     field :business_url, :string
     field :charges_enabled, :boolean