godot-xterm/addons/gut/stubber.gd
2020-05-10 01:42:19 +07:00

162 lines
5 KiB
GDScript

# {
# inst_id_or_path1:{
# method_name1: [StubParams, StubParams],
# method_name2: [StubParams, StubParams]
# },
# inst_id_or_path2:{
# method_name1: [StubParams, StubParams],
# method_name2: [StubParams, StubParams]
# }
# }
var returns = {}
var _utils = load('res://addons/gut/utils.gd').new()
var _lgr = _utils.get_logger()
func _is_instance(obj):
return typeof(obj) == TYPE_OBJECT and !obj.has_method('new')
func _make_key_from_metadata(doubled):
var to_return = doubled.__gut_metadata_.path
if(doubled.__gut_metadata_.subpath != ''):
to_return += str('-', doubled.__gut_metadata_.subpath)
return to_return
# Creates they key for the returns hash based on the type of object passed in
# obj could be a string of a path to a script with an optional subpath or
# it could be an instance of a doubled object.
func _make_key_from_variant(obj, subpath=null):
var to_return = null
match typeof(obj):
TYPE_STRING:
# this has to match what is done in _make_key_from_metadata
to_return = obj
if(subpath != null and subpath != ''):
to_return += str('-', subpath)
TYPE_OBJECT:
if(_is_instance(obj)):
to_return = _make_key_from_metadata(obj)
elif(_utils.is_native_class(obj)):
to_return = _utils.get_native_class_name(obj)
else:
to_return = obj.resource_path
return to_return
func _add_obj_method(obj, method, subpath=null):
var key = _make_key_from_variant(obj, subpath)
if(_is_instance(obj)):
key = obj
if(!returns.has(key)):
returns[key] = {}
if(!returns[key].has(method)):
returns[key][method] = []
return key
# ##############
# Public
# ##############
# TODO: This method is only used in tests and should be refactored out. It
# does not support inner classes and isn't helpful.
func set_return(obj, method, value, parameters=null):
var key = _add_obj_method(obj, method)
var sp = _utils.StubParams.new(key, method)
sp.parameters = parameters
sp.return_val = value
returns[key][method].append(sp)
func add_stub(stub_params):
var key = _add_obj_method(stub_params.stub_target, stub_params.stub_method, stub_params.target_subpath)
returns[key][stub_params.stub_method].append(stub_params)
# Searches returns for an entry that matches the instance or the class that
# passed in obj is.
#
# obj can be an instance, class, or a path.
func _find_stub(obj, method, parameters=null):
var key = _make_key_from_variant(obj)
var to_return = null
if(_is_instance(obj)):
if(returns.has(obj) and returns[obj].has(method)):
key = obj
elif(obj.get('__gut_metadata_')):
key = _make_key_from_metadata(obj)
if(returns.has(key) and returns[key].has(method)):
var param_idx = -1
var null_idx = -1
for i in range(returns[key][method].size()):
if(returns[key][method][i].parameters == parameters):
param_idx = i
if(returns[key][method][i].parameters == null):
null_idx = i
# We have matching parameter values so return the stub value for that
if(param_idx != -1):
to_return = returns[key][method][param_idx]
# We found a case where the parameters were not specified so return
# parameters for that
elif(null_idx != -1):
to_return = returns[key][method][null_idx]
else:
_lgr.warn(str('Call to [', method, '] was not stubbed for the supplied parameters ', parameters, '. Null was returned.'))
return to_return
# Gets a stubbed return value for the object and method passed in. If the
# instance was stubbed it will use that, otherwise it will use the path and
# subpath of the object to try to find a value.
#
# It will also use the optional list of parameter values to find a value. If
# the object was stubbed with no parameters than any parameters will match.
# If it was stubbed with specific parameter values then it will try to match.
# If the parameters do not match BUT there was also an empty parameter list stub
# then it will return those.
# If it cannot find anything that matches then null is returned.for
#
# Parameters
# obj: this should be an instance of a doubled object.
# method: the method called
# parameters: optional array of parameter vales to find a return value for.
func get_return(obj, method, parameters=null):
var stub_info = _find_stub(obj, method, parameters)
if(stub_info != null):
return stub_info.return_val
else:
return null
func should_call_super(obj, method, parameters=null):
var stub_info = _find_stub(obj, method, parameters)
if(stub_info != null):
return stub_info.call_super
else:
# this log message is here because of how the generated doubled scripts
# are structured. With this log msg here, you will only see one
# "unstubbed" info instead of multiple.
_lgr.info('Unstubbed call to ' + method + '::' + str(obj))
return false
func clear():
returns.clear()
func get_logger():
return _lgr
func set_logger(logger):
_lgr = logger
func to_s():
var text = ''
for thing in returns:
text += str(thing) + "\n"
for method in returns[thing]:
text += str("\t", method, "\n")
for i in range(returns[thing][method].size()):
text += "\t\t" + returns[thing][method][i].to_s() + "\n"
return text