{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import marbles.core\n",
    "from marbles.mixins import mixins\n",
    "\n",
    "import pandas as pd\n",
    "import numpy as np\n",
    "from datetime import datetime, timedelta\n",
    "\n",
    "class TimeSeriesTestCase(marbles.core.TestCase,mixins.MonotonicMixins):\n",
    "    def setUp(self):\n",
    "        self.df = pd.DataFrame({'dates':[datetime(2018,1,1),\n",
    "                                         datetime(2018,2,1),\n",
    "                                         datetime(2018,2,1)],\n",
    "                                'ireland_unemployment':[6.2,6.1,6.0]})\n",
    "        \n",
    "    def tearDown(self):\n",
    "        self.df = None\n",
    "        \n",
    "    def test_date_order(self):\n",
    "        \n",
    "        self.assertMonotonicIncreasing(sequence=self.df.dates,\n",
    "                                  note = 'Dates need to increase monotonically')\n",
    "        "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "F\n",
      "======================================================================\n",
      "FAIL: test_date_order (__main__.TimeSeriesTestCase)\n",
      "----------------------------------------------------------------------\n",
      "marbles.core.marbles.ContextualAssertionError: Elements in 0   2018-01-01\n",
      "1   2018-02-01\n",
      "2   2018-02-01\n",
      "Name: dates, dtype: datetime64[ns] are not strictly monotonically increasing\n",
      "\n",
      "Source (<ipython-input-1-ebdbd8f0d69f>):\n",
      "     19 \n",
      " >   20 self.assertMonotonicIncreasing(sequence=self.df.dates,\n",
      "     21                           note = 'Dates need to increase monotonically')\n",
      "     22 \n",
      "Locals:\n",
      "\n",
      "Note:\n",
      "\tDates need to increase monotonically\n",
      "\n",
      "\n",
      "----------------------------------------------------------------------\n",
      "Ran 1 test in 0.007s\n",
      "\n",
      "FAILED (failures=1)\n"
     ]
    }
   ],
   "source": [
    "if __name__ == '__main__':\n",
    "    marbles.core.main(argv=['first-arg-is-ignored'], exit=False)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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