Add endpoint URL env variable to fallback options (#1666)

* Add endpoint URL env variable to fallback options

* Add changelog for added env variable support

* Update branch alias

* Add unit test for endpoint env variable

* Replace dedicated test with existing provider case

Author: matteokov

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Added
+
+- Support for AWS_ENDPOINT_URL environment variable
+
 ## 1.20.1
 
 ### Changed

composer.json

@@ -38,7 +38,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.20-dev"
+            "dev-master": "1.21-dev"
         }
     }
 }

src/Configuration.php

@@ -66,6 +66,7 @@ final class Configuration
         ],
         [self::OPTION_SHARED_CREDENTIALS_FILE => 'AWS_SHARED_CREDENTIALS_FILE'],
         [self::OPTION_SHARED_CONFIG_FILE => 'AWS_CONFIG_FILE'],
+        [self::OPTION_ENDPOINT => 'AWS_ENDPOINT_URL'],
         [
             self::OPTION_ROLE_ARN => 'AWS_ROLE_ARN',
             self::OPTION_WEB_IDENTITY_TOKEN_FILE => 'AWS_WEB_IDENTITY_TOKEN_FILE',

tests/Unit/ConfigurationTest.php

@@ -70,6 +70,7 @@ public function provideConfiguration(): iterable
 
         yield 'default when env missing' => [[], [], ['profile' => 'default']];
         yield 'fallback env' => [[], ['AWS_PROFILE' => 'foo'], ['profile' => 'foo']];
+        yield 'fallback endpoint env' => [[], ['AWS_ENDPOINT_URL' => 'http://localhost:4566'], ['endpoint' => 'http://localhost:4566']];
         yield 'config priority on env' => [['profile' => 'bar'], ['AWS_PROFILE' => 'foo'], ['profile' => 'bar']];
 
         yield 'config with env group' => [['accessKeyId' => 'key'], [], ['accessKeyId' => 'key', 'sessionToken' => null]];