Lots of new tests.

app/Repositories/Bill/BillRepositoryInterface.php

@@ -15,6 +15,17 @@ use Illuminate\Support\Collection;
 interface BillRepositoryInterface
 {
 
+    /**
+     * Create a fake bill to help the chart controller.
+     *
+     * @param string $description
+     * @param Carbon $date
+     * @param float  $amount
+     *
+     * @return Bill
+     */
+    public function createFakeBill($description, Carbon $date, $amount);
+
     /**
      * @param Bill $bill
      *
@@ -39,6 +50,17 @@ interface BillRepositoryInterface
      */
     public function getJournals(Bill $bill);
 
+    /**
+     * Get all journals that were recorded on this bill between these dates.
+     *
+     * @param Bill   $bill
+     * @param Carbon $start
+     * @param Carbon $end
+     *
+     * @return Collection
+     */
+    public function getJournalsInRange(Bill $bill, Carbon $start, Carbon $end);
+
     /**
      * @param Bill $bill
      *
@@ -66,6 +88,8 @@ interface BillRepositoryInterface
      */
     public function lastFoundMatch(Bill $bill);
 
+
+
     /**
      * @param Bill $bill
      *