REST: Content/v1: Validate responses against response schemas in tests

Bug: T376607
Change-Id: I837b0a8471b8a2c8675d33852406d3ba4ce4ae05

8 files changed, 118 insertions, 14 deletions

diff --git a/includes/Rest/Handler/EditHandler.php b/includes/Rest/Handler/EditHandler.php
index 933d0c9a8acb..1757ef0f9540 100644
--- a/includes/Rest/Handler/EditHandler.php
+++ b/includes/Rest/Handler/EditHandler.php
@@ -158,4 +158,16 @@ abstract class EditHandler extends ActionModuleBasedHandler {
 		}
 	}
 
+	protected function generateResponseSpec( string $method ): array {
+		$spec = parent::generateResponseSpec( $method );
+
+		$spec['201'][parent::OPENAPI_DESCRIPTION_KEY] = 'OK';
+		$spec['201']['content']['application/json']['schema'] =
+			$spec['200']['content']['application/json']['schema'];
+		$spec['403'] = [ '$ref' => '#/components/responses/GenericErrorResponse' ];
+		$spec['409'] = [ '$ref' => '#/components/responses/GenericErrorResponse' ];
+
+		return $spec;
+	}
+
 }
diff --git a/includes/Rest/Handler/PageSourceHandler.php b/includes/Rest/Handler/PageSourceHandler.php
index 39d28357e352..d0da5d519463 100644
--- a/includes/Rest/Handler/PageSourceHandler.php
+++ b/includes/Rest/Handler/PageSourceHandler.php
@@ -168,8 +168,6 @@ class PageSourceHandler extends SimpleHandler {
 	}
 
 	public function getResponseBodySchemaFileName( string $method ): ?string {
-		// This does not include restbase compatibility mode, which is triggered by request
-		// headers. Presumably, such callers will look at the RESTBase spec instead.
 		switch ( $this->getConfig()['format'] ) {
 			case 'bare':
 				$schema = 'includes/Rest/Handler/Schema/ExistingPageBare.json';
diff --git a/includes/Rest/Handler/Schema/ExistingPageHtml.json b/includes/Rest/Handler/Schema/ExistingPageHtml.json
index f2a81b8277f7..7595acc7d987 100644
--- a/includes/Rest/Handler/Schema/ExistingPageHtml.json
+++ b/includes/Rest/Handler/Schema/ExistingPageHtml.json
@@ -32,6 +32,7 @@
 				},
 				"timestamp": {
 					"type": "string",
+					"format": "date-time",
 					"description": " Timestamp of the latest revision in ISO 8601 format",
 					"nullable": true
 				}
diff --git a/includes/Rest/Handler/Schema/ExistingPageSource.json b/includes/Rest/Handler/Schema/ExistingPageSource.json
index 73fafb3b5601..ca8d66c3dc96 100644
--- a/includes/Rest/Handler/Schema/ExistingPageSource.json
+++ b/includes/Rest/Handler/Schema/ExistingPageSource.json
@@ -32,6 +32,7 @@
 				},
 				"timestamp": {
 					"type": "string",
+					"format": "date-time",
 					"description": " Timestamp of the latest revision",
 					"nullable": true
 				}
@@ -58,6 +59,51 @@
 		"source": {
 			"type": "string",
 			"description": "Latest page content in the format specified by the content_model property"
+		},
+		"page_id": {
+			"type": "integer",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"rev": {
+			"type": "integer",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+
+		},
+		"tid": {
+			"type": "string",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"namespace": {
+			"type": "integer",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"user_id": {
+			"type": "integer",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"user_text": {
+			"type": "string",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"tags": {
+			"type": "array",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"restrictions": {
+			"type": "array",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"page_language": {
+			"type": "string",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"redirect": {
+			"type": "boolean",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"comment": {
+			"type": "string",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
 		}
 	}
 }
diff --git a/includes/Rest/Handler/Schema/ExistingRevisionHtml.json b/includes/Rest/Handler/Schema/ExistingRevisionHtml.json
index 2c5dfa24e62a..96f8c25c3101 100644
--- a/includes/Rest/Handler/Schema/ExistingRevisionHtml.json
+++ b/includes/Rest/Handler/Schema/ExistingRevisionHtml.json
@@ -28,6 +28,7 @@
 		},
 		"timestamp": {
 			"type": "string",
+			"format": "date-time",
 			"description": "Revision timestamp"
 		},
 		"content_model": {
diff --git a/includes/Rest/Handler/Schema/RevisionMetaDataBare.json b/includes/Rest/Handler/Schema/RevisionMetaDataBare.json
index 17db0f336ba8..09aac9cba74f 100644
--- a/includes/Rest/Handler/Schema/RevisionMetaDataBare.json
+++ b/includes/Rest/Handler/Schema/RevisionMetaDataBare.json
@@ -1,17 +1,7 @@
 {
 	"description": "revision meta-data",
 	"required": [
-		"id",
-		"size",
-		"minor",
-		"timestamp",
-		"content_model",
-		"page",
-		"license",
-		"user",
-		"comment",
-		"delta",
-		"html_url"
+		"timestamp"
 	],
 	"properties": {
 		"id": {
@@ -38,6 +28,7 @@
 		},
 		"timestamp": {
 			"type": "string",
+			"format": "date-time",
 			"description": "Revision timestamp"
 		},
 		"content_model": {
@@ -106,6 +97,54 @@
 		"html_url": {
 			"type": "string",
 			"description": "Url to retrieve the revision content in html format"
+		},
+		"html": {
+			"type": "string",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"title": {
+			"type": "string",
+			"description": "Revision Title. Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"page_id": {
+			"type": "integer",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"rev": {
+			"type": "integer",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"tid": {
+			"type": "string",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"namespace": {
+			"type": "integer",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"user_id": {
+			"type": "integer",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"user_text": {
+			"type": "string",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"tags": {
+			"type": "array",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"restrictions": {
+			"type": "array",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"page_language": {
+			"type": "string",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
+		},
+		"redirect": {
+			"type": "boolean",
+			"description": "Included only if the x-restbase-compat header is used to activate RESTBase compatibility"
 		}
 	}
 }
diff --git a/includes/Rest/Handler/UpdateHandler.php b/includes/Rest/Handler/UpdateHandler.php
index 67359a3942b3..a6b82814eed7 100644
--- a/includes/Rest/Handler/UpdateHandler.php
+++ b/includes/Rest/Handler/UpdateHandler.php
@@ -173,6 +173,13 @@ class UpdateHandler extends EditHandler {
 		parent::throwHttpExceptionForActionModuleError( $msg, $statusCode );
 	}
 
+	protected function generateResponseSpec( string $method ): array {
+		$spec = parent::generateResponseSpec( $method );
+
+		$spec['404'] = [ '$ref' => '#/components/responses/GenericErrorResponse' ];
+		return $spec;
+	}
+
 	/**
 	 * Returns an associative array to be used in the response in the event of edit conflicts.
 	 *
diff --git a/includes/Rest/ResponseFactory.php b/includes/Rest/ResponseFactory.php
index bff037d36856..145ab7287a6a 100644
--- a/includes/Rest/ResponseFactory.php
+++ b/includes/Rest/ResponseFactory.php
@@ -401,7 +401,7 @@ class ResponseFactory {
 			'schemas' => [
 				'GenericErrorResponseModel' => [
 					'description' => 'Generic error response body',
-					'required' => [ 'httpCode', 'httpMessage' ],
+					'required' => [ 'httpCode' ],
 					'properties' => [
 						'httpCode' => [
 							'type' => 'integer'