text: # imports - standard imports
  import unittest
  
  # imports - module imports
  from frappe.chat.util import (
  	get_user_doc,
  	safe_json_loads
  )
  import frappe
  
  class TestChatUtil(unittest.TestCase):
  	def test_safe_json_loads(self):
  		number = safe_json_loads("1")
  		self.assertEquals(type(number), int)
  
  		number = safe_json_loads("1.0")
  		self.assertEquals(type(number), float)
  		
  		string = safe_json_loads("foobar")
  		self.assertEquals(type(string), str)
  		
  		array  = safe_json_loads('[{ "foo": "bar" }]')
  		self.assertEquals(type(array), list)
  
  		objekt = safe_json_loads('{ "foo": "bar" }')
  		self.assertEquals(type(objekt), dict)
  
  		true, null = safe_json_loads("true", "null")
  		self.assertEquals(true, True)
  		self.assertEquals(null, None)
  
  	def test_get_user_doc(self):
  		# Needs more test cases.
  		user = get_user_doc()
  		self.assertEquals(user.name, frappe.session.user)