Testing needs to have the database seeded

app/Traits/SingleOrFail.php

@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * Add eloquent queries single(), singleOrFail(), singleOrNew()
+ */
+namespace App\Traits;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+
+trait SingleOrFail
+{
+	private static function bootSingleOrFail()
+	{
+		// When a query should return 1 object, or FAIL if it doesnt
+		Builder::macro('singleOrFail',function () {
+			$result = $this->get();
+
+			if (($x=$result->count()) == 1) {
+				return $result->first();
+			}
+
+			if ($x == 0)
+				throw new ModelNotFoundException('Query brings back 0 record(s) called for singleOrFail()');
+			else
+				throw new \Exception(sprintf('Query brings back %d record(s) called for singleOrFail()',$x));
+		});
+
+		// When a query should return 1 object, or NULL if it doesnt
+		Builder::macro('single',function () {
+			$result = $this->get();
+
+			if ($result->count() == 1) {
+				return $result->first();
+			}
+
+			return NULL;
+		});
+
+		// When a query should return 1 object, or NULL if it doesnt
+		Builder::macro('singleOrNew',function ($args) {
+			$result = $this->where($args)->get();
+
+			if ($result->count() == 1) {
+				return $result->first();
+			}
+
+			return $this->newModelInstance($args);
+		});
+	}
+}