For 2023 (and 2024 ...) - we are now fully retired from IT training. We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.
Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!
I am also active in many other area and still look after a lot of web sites - you can find an index ((here)) |
Scenario outlines - tables of values to test - in Gherkin / Cucumber
Rather that writing large numbers of scenarios in Gherkin, we can write Scenario Outlines and then supply Example rows of data to fill in to those outlines - a great way of specifying a series of similar behaviours - a list of "if I do aaa with the value x then I get the result y" statements where x and y will vary, but aaa will be the same thing many times over.
This follows on from the example described [here].
Here's an example of a feature file using a scenario outline:
Feature: Checking we know station names and passenger counts
Scenario Outline:
When we ask for the full name for "<tlc>"
Then we are told it is "<fullname>"
Then we are also told it had <journeys> passengers
Examples:
| tlc | fullname | journeys |
| SWI | Swindon | 3350444 |
| DMH | Dilton Marsh | 20084 |
| PLY | Plymouth | 2445464 |
| SPP | Shippea Hill | 12 |
Here is the implementation of those features:
When(/^we ask for the full name for "(.*?)"$/) do |arg1|
@station = loadStationFactory[arg1]
end
Then(/^we are told it is "(.*?)"$/) do |arg1|
expect(@station.getFullName).to eq(arg1)
end
Then(/^we are also told it had (\d+) passengers$/) do |arg1|
expect(@station.getPassengers).to eq(arg1.to_i)
end
And here are the results when we run all of those tabulated tests:
munchkin:lr grahamellis$ cucumber -s cucTables
Feature: Checking we know station names and passenger counts
Scenario Outline:
When we ask for the full name for "<tlc>"
Then we are told it is "<fullname>"
Then we are also told it had <journeys> passengers
Examples:
| tlc | fullname | journeys |
| SWI | Swindon | 3350444 |
| DMH | Dilton Marsh | 20084 |
| PLY | Plymouth | 2445464 |
| SPP | Shippea Hill | 12 |
4 scenarios (4 passed)
12 steps (12 passed)
0m0.259s
munchkin:lr grahamellis$
Source:
Station feature file - [here]
Step implemenation - [here]
and the file we're testing - from another module
stations.py - [here] (written 2015-10-23)
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles R221 - Ruby - Introduction to Cucumber [4380] Behaviour Driven Development / Ruby and Cucumber - (2015-01-02) [4381] Installing Cucumber (Ruby) - (2015-01-03) [4382] Second step Cucumber and Gherkin - beyond Hello World - (2015-01-03) [4383] Improved test in Cucumber with RSpec - (2015-01-03) [4384] Installing Cucumber on Ubuntu - cannot load such file -- mkmf (LoadError) message - (2015-01-04) [4386] Guide exercise to help you learn Gherkin, Cucumber and Rspec - (2015-01-06) [4551] Testing your new class - first steps with cucumber - (2015-10-23)
Some other Articles
Strings in C - strncmp strncpy and friendsPreprocessor directives in C and C++ - what they meanPassing information into functions in C - by name, by valueRUby - loading, using, changing, storing JSON format dataScenario outlines - tables of values to test - in Gherkin / CucumberBuild up classes into applications sharing data types in RubyClarrissa-Marybelle - too long to really fit?Melksham - two small townships, or one big one?RUH Hopper - experience and thoughts forward
|
4759 posts, page by page
Link to page ... 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96 at 50 posts per page
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
page was written, but things do move forward in our business - new software
releases, price changes, new techniques. Please check back via
our main site for current courses,
prices, versions, etc - any mention of a price in "The Horse's Mouth"
cannot be taken as an offer to supply at that price.
Link to Ezine home page (for reading).
Link to Blogging home page (to add comments).
|