WebDriver: Introduce WebDriver::ErrorCode enum

To avoid having to duplicate error text and http codes over and over,
and potentially make mistakes, let's put them all in one place.

Userland/Services/WebDriver/CMakeLists.txt

@@ -8,6 +8,7 @@ set(SOURCES
     Client.cpp
     Session.cpp
     TimeoutsConfiguration.cpp
+    WebDriverError.cpp
     main.cpp
     )
 

Userland/Services/WebDriver/WebDriverError.cpp

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "WebDriverError.h"
+#include <AK/Vector.h>
+
+namespace WebDriver {
+
+struct ErrorCodeData {
+    ErrorCode error_code;
+    unsigned http_status;
+    String json_error_code;
+};
+
+// https://w3c.github.io/webdriver/#dfn-error-code
+static Vector<ErrorCodeData> const s_error_code_data = {
+    { ErrorCode::ElementClickIntercepted, 400, "element click intercepted" },
+    { ErrorCode::ElementNotInteractable, 400, "element not interactable" },
+    { ErrorCode::InsecureCertificate, 400, "insecure certificate" },
+    { ErrorCode::InvalidArgument, 400, "invalid argument" },
+    { ErrorCode::InvalidCookieDomain, 400, "invalid cookie domain" },
+    { ErrorCode::InvalidElementState, 400, "invalid element state" },
+    { ErrorCode::InvalidSelector, 400, "invalid selector" },
+    { ErrorCode::InvalidSessionId, 404, "invalid session id" },
+    { ErrorCode::JavascriptError, 500, "javascript error" },
+    { ErrorCode::MoveTargetOutOfBounds, 500, "move target out of bounds" },
+    { ErrorCode::NoSuchAlert, 404, "no such alert" },
+    { ErrorCode::NoSuchCookie, 404, "no such cookie" },
+    { ErrorCode::NoSuchElement, 404, "no such element" },
+    { ErrorCode::NoSuchFrame, 404, "no such frame" },
+    { ErrorCode::NoSuchWindow, 404, "no such window" },
+    { ErrorCode::NoSuchShadowRoot, 404, "no such shadow root" },
+    { ErrorCode::ScriptTimeoutError, 500, "script timeout" },
+    { ErrorCode::SessionNotCreated, 500, "session not created" },
+    { ErrorCode::StaleElementReference, 404, "stale element reference" },
+    { ErrorCode::DetachedShadowRoot, 404, "detached shadow root" },
+    { ErrorCode::Timeout, 500, "timeout" },
+    { ErrorCode::UnableToSetCookie, 500, "unable to set cookie" },
+    { ErrorCode::UnableToCaptureScreen, 500, "unable to capture screen" },
+    { ErrorCode::UnexpectedAlertOpen, 500, "unexpected alert open" },
+    { ErrorCode::UnknownCommand, 404, "unknown command" },
+    { ErrorCode::UnknownError, 500, "unknown error" },
+    { ErrorCode::UnknownMethod, 405, "unknown method" },
+    { ErrorCode::UnsupportedOperation, 500, "unsupported operation" },
+};
+
+WebDriverError WebDriverError::from_code(ErrorCode code, String message)
+{
+    auto& data = s_error_code_data[to_underlying(code)];
+    return {
+        .http_status = data.http_status,
+        .error = data.json_error_code,
+        .message = move(message)
+    };
+}
+
+}

Userland/Services/WebDriver/WebDriverError.h

@@ -11,10 +11,45 @@
 
 namespace WebDriver {
 
+// https://w3c.github.io/webdriver/#dfn-error-code
+enum class ErrorCode {
+    ElementClickIntercepted,
+    ElementNotInteractable,
+    InsecureCertificate,
+    InvalidArgument,
+    InvalidCookieDomain,
+    InvalidElementState,
+    InvalidSelector,
+    InvalidSessionId,
+    JavascriptError,
+    MoveTargetOutOfBounds,
+    NoSuchAlert,
+    NoSuchCookie,
+    NoSuchElement,
+    NoSuchFrame,
+    NoSuchWindow,
+    NoSuchShadowRoot,
+    ScriptTimeoutError,
+    SessionNotCreated,
+    StaleElementReference,
+    DetachedShadowRoot,
+    Timeout,
+    UnableToSetCookie,
+    UnableToCaptureScreen,
+    UnexpectedAlertOpen,
+    UnknownCommand,
+    UnknownError,
+    UnknownMethod,
+    UnsupportedOperation,
+};
+
+// https://w3c.github.io/webdriver/#errors
 struct WebDriverError {
     unsigned http_status;
     String error;
     String message;
+
+    static WebDriverError from_code(ErrorCode, String message);
 };
 
 }