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13 blog posts tagged "Testing"
Go naming conventions
By Michael Whatcott on October 18, 2018
It's been said that naming is one of the two hardest problems in computer science along with cache invalidation and 'off-by-one' errors. (See what I did there?) Do you ever find yourself wondering what policies and practices you could adopt to make your life easier when reading code you wrote months ago? Or maybe you're up at night wishing you know how to write code in such a way as to maximize adoption and convenience for your users? Well, look no further because we've anticipated the need, solved the problem, and now we're sharing our knowledge and wisdom at no charge, all out of the goodness of our hearts in this comprehensive, totally no-nonsense (nudge, nudge, wink, wink) style guide of Go naming conventions.
Let's build an xUnit-style test runner for Go!
By Michael Whatcott on July 2, 2018
Writing test functions in Go is easy: go 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 github. com/smartystreets/stuff 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.
A history of testing in Go at Smarty
By Michael Whatcott on March 28, 2018
I was recently asked two interesting questions: 1. Why did you move from GoConvey to gunit? 2. 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.
Testing in Go by Example: Part 6
By Michael Whatcott on September 25, 2017
For this installment of the Testing in Go series we'll be talking about a grouping of packages that facilitate general-purpose comparisons in various contexts. Since the most common context is testing it seemed like this series was the right place for the discussion. We generally refer to these comparison functions as assertions (cue ominous background music and spooky sound effects). You may have already read the opinions found on the Golang FAQ related to assertions. "Why does Go not have assertions?" > Go doesn't provide assertions.
Our testing tools
By Michael Whatcott on 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.
Performance testing with Phoronix
By Jonathan Duncan on 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.
Testing in Go by example: Part 5
By Michael Whatcott on 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. In some cases, depending directly on the system's current time prevents acceptable test coverage. Consider this trivial example, which defines a calendar service with a method that identifies the current quarter of the current calendar year: File: calendar.
Testing in Go by example: Part 4
By Michael Whatcott on 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. The nice thing about separating the assertions into their own separate project is that they can be used, well, separately.
Testing in Go by example: Part 3
By Michael Whatcott on 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. Part 2 of the series focused on how we have made the act of running tests effortless and automatic. Introduction In this post and the next few posts I'll focus on our approach to writing actual tests.
Testing in Go by example: Part 2
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: $ go test -v testing If you've already run go get github. com/bradfitz/http2 you can execute those tests from anywhere with this: $ go test -v github.
Testing in Go by example: Part 1
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. This is the first installment of a series designed to do just that. All you have to do is create a file named like *test.
Your Convey needs more Focus
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.
GoConvey - (yet) another testing tool for GoLang
By Jonathan Oliver on 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).