+<?php namespace Tests;
+
+/**
+ * Class ConfigTest
+ * Many of the tests here are to check on tweaks made
+ * to maintain backwards compatibility.
+ *
+ * @package Tests
+ */
+class ConfigTest extends TestCase
+{
+
+ public function test_filesystem_images_falls_back_to_storage_type_var()
+ {
+ putenv('STORAGE_TYPE=local_secure');
+
+ $this->checkEnvConfigResult('STORAGE_IMAGE_TYPE', 's3', 'filesystems.images', 's3');
+ $this->checkEnvConfigResult('STORAGE_IMAGE_TYPE', null, 'filesystems.images', 'local_secure');
+ }
+
+ public function test_filesystem_attachments_falls_back_to_storage_type_var()
+ {
+ putenv('STORAGE_TYPE=local_secure');
+
+ $this->checkEnvConfigResult('STORAGE_ATTACHMENT_TYPE', 's3', 'filesystems.attachments', 's3');
+ $this->checkEnvConfigResult('STORAGE_ATTACHMENT_TYPE', null, 'filesystems.attachments', 'local_secure');
+ }
+
+ public function test_app_url_blank_if_old_default_value()
+ {
+ $initUrl = 'https://example.com/docs';
+ $oldDefault = 'http://bookstack.dev';
+ $this->checkEnvConfigResult('APP_URL', $initUrl, 'app.url', $initUrl);
+ $this->checkEnvConfigResult('APP_URL', $oldDefault, 'app.url', '');
+ }
+
+ /**
+ * Set an environment variable of the given name and value
+ * then check the given config key to see if it matches the given result.
+ * Providing a null $envVal clears the variable.
+ * @param string $envName
+ * @param string|null $envVal
+ * @param string $configKey
+ * @param string $expectedResult
+ */
+ protected function checkEnvConfigResult(string $envName, $envVal, string $configKey, string $expectedResult)
+ {
+ $envString = $envName . (is_null($envVal) ? '' : '=') . ($envVal ?? '');
+ putenv($envString);
+ $this->refreshApplication();
+ $this->assertEquals($expectedResult, config($configKey));
+ }
+
+}
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