Method FromErrorJson

dotnet/src/webdriver/Response.cs:137–166

Returns a new from a JSON-encoded string. The JSON string to deserialize into a . A object described by the JSON string. If is . If <

(string value)

    /// <exception cref="JsonException">If <paramref name="value"/> is not a valid JSON object.</exception>
    /// <exception cref="WebDriverException">If the JSON dictionary is not in the expected state, per spec.</exception>
    public static Response FromErrorJson(string value)
    {
        JsonObject responseObject = JsonNode.Parse(value) as JsonObject
            ?? throw new WebDriverException($"JSON error response did not return an object{Environment.NewLine}{value}");

        if (!responseObject.TryGetPropertyValue("value", out JsonNode? valueNode))
        {
            throw new WebDriverException($"The 'value' property was not found in the response{Environment.NewLine}{value}");
        }

        if (valueNode is not JsonObject valueObject)
        {
            throw new WebDriverException($"The 'value' property is not a dictionary{Environment.NewLine}{value}");
        }

        if (!valueObject.TryGetPropertyValue("error", out JsonNode? errorObject))
        {
            throw new WebDriverException($"The 'value > error' property was not found in the response{Environment.NewLine}{value}");
        }

        if (errorObject is not JsonValue errorValue || !errorValue.TryGetValue(out string? errorString))
        {
            throw new WebDriverException($"The 'value > error' property is not a string{Environment.NewLine}{value}");
        }

        var valueDictionary = JsonSerializer.Deserialize(valueObject, ResponseJsonSerializerContext.Default.Object);
        WebDriverResult status = WebDriverError.ResultFromError(errorString);

        return new Response(sessionId: null, valueDictionary, status);
    }

    /// <summary>
    /// Returns this object as a JSON-encoded string.