test: progress bar functionality

Author: adhocore

src/Output/ProgressBar.php

@@ -280,7 +280,7 @@ protected function getBarStrLen(): int
     {
         if (!$this->barStrLen) {
             // Subtract 10 because of the '> 100%' plus some padding, max 100
-            $this->barStrLen = min($this->terminal->width() - 10, 100);
+            $this->barStrLen = max(50, min($this->terminal->width() - 10, 100));
         }
 
         return $this->barStrLen;

tests/Output/ProgressBarTest.php

@@ -0,0 +1,82 @@
+<?php
+
+/*
+ * This file is part of the PHP-CLI package.
+ *
+ * (c) Jitendra Adhikari <[email protected]>
+ *     <https://github.com/adhocore>
+ *
+ * Licensed under MIT license.
+ */
+
+namespace Ahc\Cli\Test\Output;
+
+use Ahc\Cli\Helper\Terminal;
+use Ahc\Cli\Output\ProgressBar;
+use Ahc\Cli\Output\Writer;
+use Ahc\Cli\Test\CliTestCase;
+use ArrayIterator;
+use IteratorAggregate;
+use UnexpectedValueException;
+
+class ProgressBarTest extends CliTestCase
+{
+    public function test_progress_bar()
+    {
+        $progress = new ProgressBar(10, new Writer(static::$ou));
+        for ($i = 1; $i <= 10; $i++) {
+            $progress->advance(1, "$i x label");
+            if ($i === 2) {
+                $progress->forceRedraw(true);
+                $progress->current(2, "2 x label");
+                $progress->forceRedraw(false);
+            }
+        }
+
+        $this->assertBufferContains('===========================================> 100%');
+        $this->assertBufferContains('10 x label');
+
+        $this->expectException(UnexpectedValueException::class);
+        $progress->current(11);
+    }
+
+    public function test_progress_bar_option()
+    {
+        $progress = new ProgressBar(10, new Writer(static::$ou));
+        $progress->option('loader', '#');
+        $progress->option(['pointer' => '~']);
+        for ($i = 1; $i <= 10; $i++) {
+            $label = $i === 5 ? '' : '#' . ($i % 3) . ' label';
+            $progress->advance(1, $label);
+        }
+
+        $this->assertBufferContains('###########################################~ 100%');
+        $this->assertBufferContains('#1 label');
+
+        $this->expectException(UnexpectedValueException::class);
+        $progress->option('color', '');
+    }
+
+    public function test_progress_bar_each()
+    {
+        $progress = new ProgressBar(3, new Writer(static::$ou));
+        $progress->each([]);
+        $progress->each(new class() implements IteratorAggregate {
+            public $a = 1;
+            public $b = 2;
+            public $c = 3;
+
+            public function getIterator()
+            {
+                return new ArrayIterator($this);
+            }
+        }, fn ($v, $k) => "$k: $v");
+
+        $this->assertBufferContains('===========================================> 100%');
+        $this->assertBufferContains('c: 3');
+        $this->assertNotNull((new Terminal)->height());
+
+        $this->expectException(UnexpectedValueException::class);
+        (new ProgressBar(1))->current(2);
+    }
+}