diff --git a/src/Day7/input.txt b/src/Day7/input.txt
diff --git a/tests/Day6/Day6Test.php b/tests/Day6/Day6Test.php
@@ -0,0 +1,36 @@
+<?php
+namespace AdventOfCodeTest\Day4;
+
+use AdventOfCode\Day6\Day6;
+use AdventOfCode\PuzzleInterface;
+use AdventOfCodeTest\AbstractPuzzleTest;
+
+class Day6Test extends AbstractPuzzleTest
+{
+    /**
+     * @return PuzzleInterface
+     */
+    protected function createPuzzle(): PuzzleInterface
+    {
+        return new Day6();
+    }
+
+    /**
+     * @return array
+     */
+    public function part1Provider(): array
+    {
+        return [
+            ['0    2    7    0', 5]
+        ];
+    }
+
+    /**
+     * @return array
+     */
+    public function part2Provider(): array
+    {
+        return [
+        ];
+    }
+}
diff --git a/tests/Day7/Day7Test.php b/tests/Day7/Day7Test.php
@@ -0,0 +1,65 @@
+<?php
+namespace AdventOfCodeTest\Day4;
+
+use AdventOfCode\Day7\Day7;
+use AdventOfCode\PuzzleInterface;
+use AdventOfCodeTest\AbstractPuzzleTest;
+
+class Day7Test extends AbstractPuzzleTest
+{
+    /**
+     * @return PuzzleInterface
+     */
+    protected function createPuzzle(): PuzzleInterface
+    {
+        return new Day7();
+    }
+
+    /**
+     * @return array
+     */
+    public function part1Provider(): array
+    {
+        return [
+            ["
+                pbga (66)
+                xhth (57)
+                ebii (61)
+                havc (66)
+                ktlj (57)
+                fwft (72) -> ktlj, cntj, xhth
+                qoyq (66)
+                padx (45) -> pbga, havc, qoyq
+                tknk (41) -> ugml, padx, fwft
+                jptl (61)
+                ugml (68) -> gyxo, ebii, jptl
+                gyxo (61)
+                cntj (57)
+            ", 'tknk'],
+        ];
+    }
+
+    /**
+     * @return array
+     */
+    public function part2Provider(): array
+    {
+        return [
+            ["
+                pbga (66)
+                xhth (57)
+                ebii (61)
+                havc (66)
+                ktlj (57)
+                fwft (72) -> ktlj, cntj, xhth
+                qoyq (66)
+                padx (45) -> pbga, havc, qoyq
+                tknk (41) -> ugml, padx, fwft
+                jptl (61)
+                ugml (68) -> gyxo, ebii, jptl
+                gyxo (61)
+                cntj (57)
+            ", 60],
+        ];
+    }
+}