add a test that's better than nothing.

tests/Inspector/Output/TopLike/TopLikeOutputterTest.php

@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * This file is part of the sj-i/ package.
+ *
+ * (c) sji <sji@sj-i.dev>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace PhpProfiler\Inspector\Output\TopLike;
+
+use Mockery;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Console\Formatter\OutputFormatter;
+use Symfony\Component\Console\Formatter\OutputFormatterInterface;
+use Symfony\Component\Console\Formatter\WrappableOutputFormatterInterface;
+use Symfony\Component\Console\Output\ConsoleOutputInterface;
+use Symfony\Component\Console\Output\ConsoleSectionOutput;
+use Symfony\Component\Console\Terminal;
+
+class TopLikeOutputterTest extends TestCase
+{
+    public function testDisplay()
+    {
+        $output = Mockery::mock(ConsoleOutputInterface::class);
+        $terminal = Mockery::mock(Terminal::class);
+        $outputter = new TopLikeOutputter(
+            $output,
+            $terminal
+        );
+
+        $output->expects()->write("\e[H\e[2J");
+        $output->expects()->writeln('target_regex');
+        $output->expects()->writeln('samp_count=0  func_count=0  total_count=0');
+        $output->expects()->writeln('');
+        $terminal->expects()->getWidth()->andReturns(80);
+        $terminal->expects()->getHeight()->andReturns(20);
+        $output->expects()
+            ->section()
+            ->andReturns(
+                $section = Mockery::mock(ConsoleSectionOutput::class)
+            )
+        ;
+        $section->expects()
+            ->getFormatter()
+            ->andReturns(
+                $formatter = new OutputFormatter()
+            )
+        ;
+        $section
+            ->expects()
+            ->writeln(
+                \Mockery::on(function ($argument) {
+                    $this->assertStringContainsString('total_incl', $argument);
+                    return true;
+                })
+            )
+        ;
+        $section
+            ->expects()
+            ->getContent()
+            ->andReturns('content_rendered')
+        ;
+        $section
+            ->expects()
+            ->overwrite('content_rendered')
+        ;
+
+        $outputter->display('target_regex', new Stat());
+    }
+}