Scaffold out basic transactions model and UI (#478)

* Transaction scaffold

* Rough in transaction views

* Fix sort order

* Fix mass assignment issue

* Fix test

* Simplify CI workflow

* Don't seed db before test

test/controllers/transactions_controller_test.rb

@@ -0,0 +1,49 @@
+require "test_helper"
+
+class TransactionsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    sign_in @user = users(:bob)
+    @transaction = transactions(:one)
+  end
+
+  test "should get index" do
+    get transactions_url
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_transaction_url
+    assert_response :success
+  end
+
+  test "should create transaction" do
+    assert_difference("Transaction.count") do
+      post transactions_url, params: { transaction: { account_id: @transaction.account_id, amount: @transaction.amount, currency: @transaction.currency, date: @transaction.date, name: @transaction.name } }
+    end
+
+    assert_redirected_to transaction_url(Transaction.last)
+  end
+
+  test "should show transaction" do
+    get transaction_url(@transaction)
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get edit_transaction_url(@transaction)
+    assert_response :success
+  end
+
+  test "should update transaction" do
+    patch transaction_url(@transaction), params: { transaction: { account_id: @transaction.account_id, amount: @transaction.amount, currency: @transaction.currency, date: @transaction.date, name: @transaction.name } }
+    assert_redirected_to transaction_url(@transaction)
+  end
+
+  test "should destroy transaction" do
+    assert_difference("Transaction.count", -1) do
+      delete transaction_url(@transaction)
+    end
+
+    assert_redirected_to transactions_url
+  end
+end