For 2021 - online Python 3 training - see ((here)).
Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7. We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.
Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc. |
Pytest - starting example
"pytest is a mature full-featured Python testing tool that helps you write better programs" ... and being fully featured, there's something of a hurdle for newcomers in finding which falities they need from the wide range. To help a newcomer today, we took a short look at some first Pytest examples .. and I've now loaded those onto our website for your (and my later) reference.
Firstly - "Hello testing world" defines a function to be tested:
def add(this,that):
result = this + that
return result
and a test for that function:
def test_add():
assert add(10,15) == 25
and when I run that, the test is discovered and run - and it passes:
WomanWithCat:pt grahamellis$ python -m pytest test_hello.py
========================== test session starts ==========================
platform darwin -- Python 2.7.5, pytest-2.8.5, py-1.4.31, pluggy-0.3.1
rootdir: /Users/grahamellis/jan16/cyan/pt, inifile: setup.cfg
collected 1 items
test_hello.py .
======================= 1 passed in 0.00 seconds ========================
WomanWithCat:pt grahamellis$
At this early stage, before we have added a configuration file, any methods starting test_ will be run as part of the test suite. The complete example is available [here] (written 2016-01-07, updated 2016-01-08)
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles Y212 - Python - Code testing, patterns, profiles and optimisation. [235] Preparation for a day's work - (2005-03-04) [1140] Python GTK - Widget, Packing, Event and Feedback example - (2007-04-09) [1146] __new__ v __init__ - python constructor alternatives? - (2007-04-14) [1148] Python decorators - wrapping a method call in extra code - (2007-04-15) [1555] Advanced Python, Perl, PHP and Tcl training courses / classes - (2008-02-25) [2123] Using Python with OpenOffice - (2009-04-09) [2616] Defining a static method - Java, Python and Ruby - (2010-02-01) [3441] Pressing ^C in a Python program. Also Progress Bar. - (2011-09-15) [3442] A demonstration of how many Python facilities work together - (2011-09-16) [3464] Passing optional and named parameters to python methods - (2011-10-04) [3478] Testing your Python classes with the unittest package - how to - (2011-10-14) [3658] Using Make for a distribution - (2012-03-17) [4090] Test Driven Development in Python - Customer Comes First - (2013-05-16) [4326] Learning to program - comments, documentation and test code - (2014-11-22) [4344] Python base and inherited classes, test harness and unit testing - new examples - (2014-12-07) [4446] Combining tests into suites, and suites into bigger suites - Python and unittest - (2015-03-01) [4470] Testing in Python 3 - unittest, doctest and __name__ == __main__ too. - (2015-04-21) [4538] Flask and unittest - hello web app test world - (2015-10-15) [4540] Unittest of a Flask application including forms - (2015-10-15) [4542] The principle of mocking - and the Python Mock package - (2015-10-17) [4618] Pytest - second example beyond hello world - (2016-01-08) [4716] Profiling your Python program - (2016-11-01)
Some other Articles
The power of scriptingPerl 6 - a Practical Extraction and Reporting example!Buses - not about the buses, but about the people who use the busesPytest - starting exampleStill teaching Tcl in 2016?Questions for First (West of England)PC Plod - alive and scaremongering in Wiltshire?Our best hotel customers help us ... to help them ... be our best customers.TransWilts - robust these days - no longer the first service to be cancelled
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This is a page archived from The Horse's Mouth at
http://www.wellho.net/horse/ -
the diary and writings of Graham Ellis.
Every attempt was made to provide current information at the time the
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releases, price changes, new techniques. Please check back via
our main site for current courses,
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