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# Licensed to the Software Freedom Conservancy (SFC) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The SFC licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
module Selenium
module WebDriver
module Remote
# @api private
class Response
STACKTRACE_KEY = 'stackTrace'.freeze
attr_reader :code, :payload
attr_writer :payload
def initialize(code, payload = nil)
@code = code
@payload = payload || {}
assert_ok
end
def error
klass = Error.for_code(status) || return
ex = klass.new(error_message)
ex.set_backtrace(caller)
add_backtrace ex
ex
end
def error_message
val = value
case val
when Hash
msg = val['message']
return 'unknown error' unless msg
msg << ": #{val['alert']['text'].inspect}" if val['alert'].is_a?(Hash) && val['alert']['text']
msg << " (#{val['class']})" if val['class']
msg
when String
val
else
"unknown error, status=#{status}: #{val.inspect}"
end
end
def [](key)
@payload[key]
end
private
def assert_ok
e = error
raise e if e
return unless @code.nil? || @code >= 400
raise Error::ServerError, self
end
def add_backtrace(ex)
return unless error_payload.is_a?(Hash)
server_trace = error_payload[STACKTRACE_KEY] ||
error_payload[STACKTRACE_KEY.downcase] ||
(error_payload['value'] && error_payload['value'][STACKTRACE_KEY])
return unless server_trace
backtrace = case server_trace
when Array
backtrace_from_remote(server_trace)
when String
server_trace.split("\n")
end
ex.set_backtrace(backtrace + ex.backtrace)
end
def backtrace_from_remote(server_trace)
server_trace.map do |frame|
next unless frame.is_a?(Hash)
file = frame['fileName']
line = frame['lineNumber']
meth = frame['methodName']
class_name = frame['className']
file = "#{class_name}(#{file})" if class_name
meth = 'unknown' if meth.nil? || meth.empty?
"[remote server] #{file}:#{line}:in `#{meth}'"
end.compact
end
def error_payload
# Even errors are wrapped in 'value' for w3c
# Grab 'value' key for error, leave original payload alone and let the bridge process
@error_payload ||= !@payload.key?('sessionId') ? @payload['value'] : @payload
end
def status
return unless error_payload.is_a? Hash
@status ||= error_payload['status'] || error_payload['error']
end
def value
return unless error_payload.is_a? Hash
@value ||= error_payload['value'] || error_payload['message']
end
end # Response
end # Remote
end # WebDriver
end # Selenium
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