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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Celema\Console; |
| 6 | |
| 7 | use Override; |
| 8 | |
| 9 | /** |
| 10 | * A terminal in memory, made for tests. |
| 11 | * |
| 12 | * It captures the output and the error output separately and answers |
| 13 | * the prompts from `$input`, one line each. Colors are off, so |
| 14 | * assertions need no escape-code stripping; the other settings let a |
| 15 | * test pretend to be an interactive terminal of a given width. |
| 16 | * |
| 17 | * $buffer = new Buffer("yes\n"); |
| 18 | * $command(io: new Io($buffer)); |
| 19 | * $this->assertSame('Done' . PHP_EOL, $buffer->output()); |
| 20 | * |
| 21 | * @api |
| 22 | */ |
| 23 | final class Buffer implements Terminal |
| 24 | { |
| 25 | private string $output = ''; |
| 26 | private string $errorOutput = ''; |
| 27 | |
| 28 | public function __construct( |
| 29 | private string $input = '', |
| 30 | private readonly bool $interactive = false, |
| 31 | private readonly int $width = 80, |
| 32 | private readonly bool $colors = false, |
| 33 | ) {} |
| 34 | |
| 35 | #[Override] |
| 36 | public function write(string $text, bool $error = false): void |
| 37 | { |
| 38 | if ($error) { |
| 39 | $this->errorOutput .= $text; |
| 40 | } else { |
| 41 | $this->output .= $text; |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | #[Override] |
| 46 | public function read(bool $hidden = false): ?string |
| 47 | { |
| 48 | if ($this->input === '') { |
| 49 | return null; |
| 50 | } |
| 51 | |
| 52 | $lines = explode("\n", $this->input, limit: 2); |
| 53 | $this->input = $lines[1] ?? ''; |
| 54 | |
| 55 | return rtrim($lines[0], characters: "\r"); |
| 56 | } |
| 57 | |
| 58 | #[Override] |
| 59 | public function colors(bool $error = false): bool |
| 60 | { |
| 61 | return $this->colors; |
| 62 | } |
| 63 | |
| 64 | #[Override] |
| 65 | public function interactive(): bool |
| 66 | { |
| 67 | return $this->interactive; |
| 68 | } |
| 69 | |
| 70 | #[Override] |
| 71 | public function width(): int |
| 72 | { |
| 73 | return $this->width; |
| 74 | } |
| 75 | |
| 76 | public function output(): string |
| 77 | { |
| 78 | return $this->output; |
| 79 | } |
| 80 | |
| 81 | public function errorOutput(): string |
| 82 | { |
| 83 | return $this->errorOutput; |
| 84 | } |
| 85 | } |