1 files changed, 108 insertions, 0 deletions
diff --git a/addons/gut/spy.gd b/addons/gut/spy.gd
new file mode 100644
index 0000000..2aef4ad
--- /dev/null
+++ b/addons/gut/spy.gd
@@ -0,0 +1,108 @@
+# {
+#   instance_id_or_path1:{
+#       method1:[ [p1, p2], [p1, p2] ],
+#       method2:[ [p1, p2], [p1, p2] ]
+#   },
+#   instance_id_or_path1:{
+#       method1:[ [p1, p2], [p1, p2] ],
+#       method2:[ [p1, p2], [p1, p2] ]
+#   },
+# }
+var _calls = {}
+var _utils = load('res://addons/gut/utils.gd').get_instance()
+var _lgr = _utils.get_logger()
+var _compare = _utils.Comparator.new()
+
+func _find_parameters(call_params, params_to_find):
+	var found = false
+	var idx = 0
+	while(idx < call_params.size() and !found):
+		var result = _compare.deep(call_params[idx], params_to_find)
+		if(result.are_equal):
+			found = true
+		else:
+			idx += 1
+	return found
+
+func _get_params_as_string(params):
+	var to_return = ''
+	if(params == null):
+		return ''
+
+	for i in range(params.size()):
+		if(params[i] == null):
+			to_return += 'null'
+		else:
+			if(typeof(params[i]) == TYPE_STRING):
+				to_return += str('"', params[i], '"')
+			else:
+				to_return += str(params[i])
+		if(i != params.size() -1):
+			to_return += ', '
+	return to_return
+
+func add_call(variant, method_name, parameters=null):
+	if(!_calls.has(variant)):
+		_calls[variant] = {}
+
+	if(!_calls[variant].has(method_name)):
+		_calls[variant][method_name] = []
+
+	_calls[variant][method_name].append(parameters)
+
+func was_called(variant, method_name, parameters=null):
+	var to_return = false
+	if(_calls.has(variant) and _calls[variant].has(method_name)):
+		if(parameters):
+			to_return = _find_parameters(_calls[variant][method_name], parameters)
+		else:
+			to_return = true
+	return to_return
+
+func get_call_parameters(variant, method_name, index=-1):
+	var to_return = null
+	var get_index = -1
+
+	if(_calls.has(variant) and _calls[variant].has(method_name)):
+		var call_size = _calls[variant][method_name].size()
+		if(index == -1):
+			# get the most recent call by default
+			get_index =  call_size -1
+		else:
+			get_index = index
+
+		if(get_index < call_size):
+			to_return = _calls[variant][method_name][get_index]
+		else:
+			_lgr.error(str('Specified index ', index, ' is outside range of the number of registered calls:  ', call_size))
+
+	return to_return
+
+func call_count(instance, method_name, parameters=null):
+	var to_return = 0
+
+	if(was_called(instance, method_name)):
+		if(parameters):
+			for i in range(_calls[instance][method_name].size()):
+				if(_calls[instance][method_name][i] == parameters):
+					to_return += 1
+		else:
+			to_return = _calls[instance][method_name].size()
+	return to_return
+
+func clear():
+	_calls = {}
+
+func get_call_list_as_string(instance):
+	var to_return = ''
+	if(_calls.has(instance)):
+		for method in _calls[instance]:
+			for i in range(_calls[instance][method].size()):
+				to_return += str(method, '(', _get_params_as_string(_calls[instance][method][i]), ")\n")
+	return to_return
+
+func get_logger():
+	return _lgr
+
+func set_logger(logger):
+	_lgr = logger