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Let's build an xUnit-style test runner for Go!

Why? What do you mean 'why'? Because we can! What's wrong with you?

July 2, 2018 - Writing test functions in Go is easy: package stuff import "testing" func TestStuff(t *testing.T) { t.Log("Hello, World!") } Running test functions is also easy: $ go test -v === RUN TestStuff --- PASS: TestStuff (0.00s) stuff_test.go:6: Hello, World! PASS ok 0.006s Preparing shared state for multiple test functions is problematic. The usual recommendation is to use table-drive tests. But this approach has its limits. For us, xUnit is the ideal solution. Continue reading »

A History of Testing in Go at Smarty

A response to the question: Should I follow Smarty and leave GoConvey for gunit?

March 28, 2018 - I was recently asked two interesting questions: Why did you move from GoConvey to gunit? Are you recommending folks do the same? These are great questions, and since I’m a co-creator of GoConvey and principle author of gunit I feel responsible to give a thorough answer. For the impatient, here’s the TL;DR: Question 1: Why did you move to gunit? After using GoConvey and feeling consistent friction with that approach, we came up with an alternate approach that was more aligned with what we value in a testing library and which eliminated said friction. Continue reading »

Our Testing Tools

We care about testing our software and we create tools and libraries that help us.

November 3, 2016 - Introduction TL;DR: Choose an approach to software testing that helps your organization create the best possible end results. That might mean using and/or creating a few tools and/or libraries along the way. Or, maybe not. What follows is a description of what we do at SmartyStreets, couched as a response to Dan Mullineux’s equally valid way of doing things. The cost A favourite test helper library, with some simple test assertion functions clearly has some value… They [testing libraries] are not so bad, but they come at a cost, defer to avoid them. Continue reading »

Performance Testing With Phoronix

A quick how-to guide for using the Phoronix Test Suite to measure server effectiveness.

October 5, 2015 - Not every server is made equally. On dedicated servers the hardware varies widely. On virtual and cloud servers the resource allocations also vary widely. Some servers are CPU optimized for maximum computing power. Others focus on having a lot of memory. Some servers are built to have a good balance of all system resources. Hardware aside, we require many differing tasks of our servers. Some applications are processor hungry, some need large amounts of disk space, while others take up a lot of memory. Continue reading »

Testing in Go by example: Part 5

An elegant and effective strategy for dealing with time in unit tests

September 15, 2015 - For this installment of the Testing in Go series I’ll share a really nifty way to deal with time in your unit tests. When the behavior you are testing depends on the current time it can be tricky to assert on the results because the current time is a moving target. So, usually we end up resorting to approximations in our assertions that, while functional, always bother me a bit. Continue reading »

Testing in Go by example: Part 4

Our approach to assertions in Go code

August 11, 2015 - I think it’s time for a slight detour. In part 1 we covered the basics of testing in go. In part 2 we covered a few slick ways to execute tests. In part 3 we covered some of our recent endeavors at Smarty to build on the basics. Toward the end of that post we went into some detail regarding our approach to assertions. The assertions referenced in the GoConvey project are actually their own separate project that are imported into GoConvey. Continue reading »

Testing in Go by example: Part 3

Conveying behavior with our approach to BDD in Go

May 11, 2015 - Review: Welcome to part 3 of our “Testing in Go” series. If you’re new here, feel free to catch up before reading on. In part 1 of this series I eluded to our perceptions of the standard testing tools provided by the Go tool and the standard library and what was missing for us. We all have different expectations of a testing tool and so it’s no wonder that so many have been created. Continue reading »

Testing in Go by example: Part 1

How to use the built-in 'testing' package.

February 27, 2015 - Here’s part 1 of our “Testing in Go” series. Introduction Thinking about trying Go? You won’t regret it! It’s great that testing is baked into the "testing" package from the standard library and the corresponding go test command (which has all sorts of useful and interesting flags). We’d like to show you how easy it is to get started using the built-in testing tools and introduce you to some tools we’ve created. Continue reading »

Testing in Go by example: Part 2

Tests that aren't easy to execute will be ignored.

February 27, 2015 - Here’s part 2 of our “Testing in Go” series. If you’re new, feel free to catch up before reading on. Basics You’ve already learned how to execute tests in Go for a single package. $ go test There’s a bit more to it, though. You can run any package from anywhere if you provide the import path. For example, this command runs the actual tests for the “testing” package from the standard library: Continue reading »

Your Convey needs more Focus

One of the great benefits of TDD/BDD is that you usually don't have to spend much, if any time at all in a debugger...

February 7, 2014 - One of the great benefits of TDD/BDD is that you usually don’t have to spend much, if any time at all in a debugger. To enter a debugger is to admit a loss of control over the system under test. Even so, there are times when you do need to debug something, even if you’re maintaining the discipline. Lately, most of my coding is in GoLang. Coming from using an IDE almost exclusively to write Python (using PyCharm) and C# (using VS and ReSharper), and knowing how great the visual debugging tools are it’s hard to fathom using a console-based debugger for GoLang code. Continue reading »

GoConvey - (yet) another testing tool for GoLang

GoConvey features a clean DSL, comprehensive set of built-in assertions, an auto-reloading web UI and fully integrates with GoTest.

December 26, 2013 - It’s now been a few months since I decided that the kind of testing tools I wanted for Go programming hadn’t yet been created (or I just hadn’t found them yet…). So, about 4 months ago I started work on GoConvey and a month later came the first release. The coolest thing about GoConvey (other than the clean DSL, comprehensive set of built-in assertions, and the fact that it integrates fully with go test) is the built-in auto-reloading web UI that reports your test results to your web browser whenever a relevant file is saved (HTML5 notifications included). Continue reading »