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	/** Convenience functions to stream output from std:: data structures.
	*
	* Useful when you do not have a debugger. See test below to get a sense of
	* what's available.
	*
	*/

	#include <gmock/gmock.h>
	#include <gtest/gtest.h>

	; Simulate clients writing log files to a drive with fio (see https://bsdio.com/fio/)
	;
	; numbjobs: number of clients
	; rate_iops: number of writes per seconds
	; bs: size of the log entry
	; size: total size of the log file
	;
	; Normally, the iops reported by fio should be rate_iops x numbjobs

	[global]

	import numpy as np
	import numexpr as ne
	import pandas as pd
	import matplotlib
	import matplotlib.pyplot as plt

	%load_ext autoreload
	%autoreload 2

	%matplotlib inline

	import pandas as pd

	def top(df, n, columns=None):
	"""Returns top and bottom n elements subset of input dataframe.

	Args:
	df: input dataframe.
	n: number of elements to return (n / 2 on top and on the bottom).
	columns: list of columns to consider for sorting, defaults to use
	head and tail.

	def add_data_frame_equality_func(test):
	"""Define test class to handle assertEqual with `pandas.DataFrame`."""
	def frame_equal(lhs, rhs, msg=None):
	"""Adapter for pandas.testing.assert_frame_equal."""
	if msg:
	try:
	pdt.assert_frame_equal(lhs, rhs)
	except AssertionError as err:
	raise test.failureException(msg)
	else:

	-- creates fdw to the database quotes in a schema quotes_s

	create extension if not exists postgres_fdw;

	create server prod_s foreign data wrapper postgres_fdw options (host 'servername', dbname 'quotes', port '5432');

	create user mapping for public server prod_s options (user 'name', password 'secret');

	create schema quotes_s;

	sns.set(style='whitegrid', context='notebook', font_scale=1.5)
	sns.pairplot(df[cols])
	plt.show()

	sns.set(style='whitegrid', context='notebook', font_scale=1.5)
	cm = np.corrcoef(df[cols].values.T)
	hm = sns.heatmap(cm, cbar=True, annot=True, square=True, fmt='.2f',
	annot_kws={'size': 15}, yticklabels=cols, xticklabels=cols)
	plt.show()

	#!/usr/bin/env python
	# vim: set encoding=utf-8

	"""
	My convenience test runners for unittest.

	Place it in your tests folder and use it with python -m <test folder>.
	(Requires click, and colorama (if you want colors)).

	Allows one to run your tests in your tests folder in a spartain way: