'A page title', 'route' => '/some/route'])); } private function gzipRequest(string $method = 'GET', string $encoding = 'gzip, deflate, br') { return TestHelper::createMockRequest(method: $method, headers: ['Accept-Encoding' => $encoding]); } #[Test] public function large_json_is_gzipped_and_decodes_to_the_same_body(): void { $response = $this->large(); $plain = (string) $response->getBody(); $out = (new ResponseCompressor())->compress($this->gzipRequest(), $response); self::assertSame('gzip', $out->getHeaderLine('Content-Encoding')); self::assertStringContainsString('Accept-Encoding', $out->getHeaderLine('Vary')); self::assertSame($plain, gzdecode((string) $out->getBody())); self::assertSame('application/json', $out->getHeaderLine('Content-Type')); } #[Test] public function small_bodies_are_left_alone_but_still_vary(): void { $out = (new ResponseCompressor())->compress($this->gzipRequest(), ApiResponse::create(['ok' => true])); self::assertFalse($out->hasHeader('Content-Encoding')); self::assertSame('Accept-Encoding', $out->getHeaderLine('Vary')); self::assertSame('{"data":{"ok":true}}', (string) $out->getBody()); } #[Test] public function off_mode_changes_nothing(): void { $response = $this->large(); $out = (new ResponseCompressor('off'))->compress($this->gzipRequest(), $response); self::assertSame($response, $out); } #[Test] public function head_and_clients_without_gzip_get_the_plain_body(): void { $compressor = new ResponseCompressor(); self::assertFalse($compressor->compress($this->gzipRequest('HEAD'), $this->large())->hasHeader('Content-Encoding')); self::assertFalse($compressor->compress($this->gzipRequest('GET', 'identity'), $this->large())->hasHeader('Content-Encoding')); self::assertFalse($compressor->compress($this->gzipRequest('GET', 'gzip;q=0, br'), $this->large())->hasHeader('Content-Encoding')); self::assertFalse($compressor->compress(TestHelper::createMockRequest(), $this->large())->hasHeader('Content-Encoding')); } #[Test] public function not_modified_downloads_and_encoded_bodies_pass_through(): void { $compressor = new ResponseCompressor(); $big = str_repeat('{"a":1}', 5000); $notModified = new Response(304, ['Content-Type' => 'application/json'], ''); self::assertSame($notModified, $compressor->compress($this->gzipRequest(), $notModified)); $download = new Response(200, ['Content-Type' => 'application/json', 'Content-Disposition' => 'attachment; filename="x.json"'], $big); self::assertFalse($compressor->compress($this->gzipRequest(), $download)->hasHeader('Content-Encoding')); $encoded = new Response(200, ['Content-Type' => 'application/json', 'Content-Encoding' => 'br'], $big); self::assertSame('br', $compressor->compress($this->gzipRequest(), $encoded)->getHeaderLine('Content-Encoding')); $html = new Response(200, ['Content-Type' => 'text/html'], str_repeat('

x

', 5000)); self::assertSame($html, $compressor->compress($this->gzipRequest(), $html)); } #[Test] public function a_shutdown_that_rewrites_the_encoding_disables_compression(): void { $out = (new ResponseCompressor('auto', true))->compress($this->gzipRequest(), $this->large()); self::assertFalse($out->hasHeader('Content-Encoding')); } #[Test] public function stray_output_already_buffered_disables_compression(): void { // A theme or plugin file with a blank line before `compress($this->gzipRequest(), $this->large()); } finally { ob_end_clean(); } self::assertFalse($out->hasHeader('Content-Encoding')); self::assertSame('Accept-Encoding', $out->getHeaderLine('Vary')); self::assertSame(0, ResponseCompressor::bufferedOutputLength()); self::assertSame('gzip', (new ResponseCompressor())->compress($this->gzipRequest(), $this->large())->getHeaderLine('Content-Encoding')); } #[Test] public function existing_vary_is_extended_not_replaced(): void { $response = $this->large()->withHeader('Vary', 'Origin'); $out = (new ResponseCompressor())->compress($this->gzipRequest(), $response); self::assertSame(['Origin', 'Accept-Encoding'], $out->getHeader('Vary')); } #[Test] public function accept_encoding_parsing(): void { $c = new ResponseCompressor(); self::assertTrue($c->acceptsGzip('gzip')); self::assertTrue($c->acceptsGzip('br;q=1.0, gzip;q=0.8, *;q=0.1')); self::assertTrue($c->acceptsGzip('x-gzip')); self::assertTrue($c->acceptsGzip('*')); self::assertFalse($c->acceptsGzip('')); self::assertFalse($c->acceptsGzip('br, deflate')); self::assertFalse($c->acceptsGzip('gzip;q=0')); self::assertFalse($c->acceptsGzip('*;q=0')); self::assertFalse($c->acceptsGzip('gzip;q=0, *')); } }