test: add test cases

Author: kenjis

tests/system/CLI/CLITest.php

@@ -95,6 +95,80 @@ public function testPrompt(): void
         $this->assertSame($expected, $output);
     }
 
+    public function testPromptInputNothing(): void
+    {
+        PhpStreamWrapper::register();
+
+        $input = '';
+        PhpStreamWrapper::setContent($input);
+
+        $output = CLI::prompt('What is your favorite color?', 'red');
+
+        PhpStreamWrapper::restore();
+
+        $this->assertSame('red', $output);
+    }
+
+    public function testPromptInputZero(): void
+    {
+        PhpStreamWrapper::register();
+
+        $input = '0';
+        PhpStreamWrapper::setContent($input);
+
+        $output = CLI::prompt('What is your favorite number?', '7');
+
+        PhpStreamWrapper::restore();
+
+        $this->assertSame('0', $output);
+    }
+
+    public function testPromptByKey(): void
+    {
+        PhpStreamWrapper::register();
+
+        $input = '1';
+        PhpStreamWrapper::setContent($input);
+
+        $options = ['Playing game', 'Sleep', 'Badminton'];
+        $output  = CLI::promptByKey('Select your hobbies:', $options);
+
+        PhpStreamWrapper::restore();
+
+        $this->assertSame($input, $output);
+    }
+
+    public function testPromptByKeyInputNothing(): void
+    {
+        PhpStreamWrapper::register();
+
+        $input = ''; // This is when you press the Enter key.
+        PhpStreamWrapper::setContent($input);
+
+        $options = ['Playing game', 'Sleep', 'Badminton'];
+        $output  = CLI::promptByKey('Select your hobbies:', $options);
+
+        PhpStreamWrapper::restore();
+
+        $expected = '0';
+        $this->assertSame($expected, $output);
+    }
+
+    public function testPromptByKeyInputZero(): void
+    {
+        PhpStreamWrapper::register();
+
+        $input = '0';
+        PhpStreamWrapper::setContent($input);
+
+        $options = ['Playing game', 'Sleep', 'Badminton'];
+        $output  = CLI::promptByKey('Select your hobbies:', $options);
+
+        PhpStreamWrapper::restore();
+
+        $this->assertSame($input, $output);
+    }
+
     public function testPromptByMultipleKeys(): void
     {
         PhpStreamWrapper::register();
@@ -114,6 +188,42 @@ public function testPromptByMultipleKeys(): void
         $this->assertSame($expected, $output);
     }
 
+    public function testPromptByMultipleKeysInputNothing(): void
+    {
+        PhpStreamWrapper::register();
+
+        $input = ''; // This is when you press the Enter key.
+        PhpStreamWrapper::setContent($input);
+
+        $options = ['Playing game', 'Sleep', 'Badminton'];
+        $output  = CLI::promptByMultipleKeys('Select your hobbies:', $options);
+
+        PhpStreamWrapper::restore();
+
+        $expected = [
+            0 => 'Playing game',
+        ];
+        $this->assertSame($expected, $output);
+    }
+
+    public function testPromptByMultipleKeysInputZero(): void
+    {
+        PhpStreamWrapper::register();
+
+        $input = '0';
+        PhpStreamWrapper::setContent($input);
+
+        $options = ['Playing game', 'Sleep', 'Badminton'];
+        $output  = CLI::promptByMultipleKeys('Select your hobbies:', $options);
+
+        PhpStreamWrapper::restore();
+
+        $expected = [
+            0 => 'Playing game',
+        ];
+        $this->assertSame($expected, $output);
+    }
+
     public function testNewLine(): void
     {
         $this->expectOutputString('');