Merge pull request #37 from bmitch/commandTest

Command test

src/Commands/ChurnCommand.php

@@ -22,7 +22,7 @@ class ChurnCommand extends Command
     public function __construct()
     {
         parent::__construct();
-        $commitCountAssessor = new GitCommitCountAssessor(new CommandService);
+        $commitCountAssessor    = new GitCommitCountAssessor(new CommandService);
         $complexityAssessor     = new CyclomaticComplexityAssessor();
         $this->resultsGenerator = new ResultsGenerator($commitCountAssessor, $complexityAssessor);
         $this->fileManager      = new FileManager;

tests/Unit/Services/CommandServiceTest.php

@@ -0,0 +1,17 @@
+<?php declare(strict_types = 1);
+
+namespace Churn\Tests\Results;
+
+use Churn\Tests\BaseTestCase;
+use Churn\Services\CommandService;
+
+class CommandServiceTest extends BaseTestCase
+{
+    /** @test */
+    public function it_returns_the_output_of_a_command()
+    {
+        $commandService = new CommandService;
+        $result = $commandService->execute("echo hi");
+        $this->assertSame(["hi"], $result);
+    }
+}