Siarhei

Siarhei

Powerful Command-Line Applications in Go: TestParseContent & TestRun failed (pages 53 - 54)

Tests on compare 2 slice of byte fail because there is a difference in the formatting we get after the parseContent() and goldenFile functions. The difference lies in different tabulation.

To bring them to a common state I suggest using the package go get -u github.com/yosssi/gohtml

func formatHTML(data []byte) []byte {
	// Convert to string for manipulation
	content := string(data)

	formattedHTML := gohtml.Format(content)

	// Return the formatted html as []byte
	return []byte(formattedHTML)
}

This formatHTML function will take raw HTML in a []byte format, format it using gohtml, and return the formatted HTML as []byte. Here’s a quick breakdown of how it works:

Conversion to String: string(data) converts the byte slice to a string, as gohtml.Format requires a string input.

Formatting*: gohtml.Format(content) processes the HTML string, adding indentation and spacing for readability.

Returning as []byte: []byte(formattedHTML) converts the formatted string back to []byte.

if !bytes.Equal(formatHTML(expected), formatHTML(result)) {
    t.Logf("golden:\n%s\n", formatHTML(expected))
    t.Logf("result:\n%s\n", formatHTML(result))
    t.Error("Result content doesn't match golden file")
}

First Post!

LeamHall

LeamHall

Hello @Siarhei! Oddly enough, I had that same issue this morning. My text editor (vim) was configured to not expand tabs, I was using tabs for indenting, and the tabstop as set at 2. I solved the issue by editing the main.go file and using spaces instead of tabs.

Where Next?

Popular Pragmatic Bookshelf topics Top

johnp
Running the examples in chapter 5 c under pytest 5.4.1 causes an AttributeError: ‘module’ object has no attribute ‘config’. In particula...
New
herminiotorres
Hi @Margaret , On page VII the book tells us the example and snippets will be all using Elixir version 1.11 But on page 3 almost the en...
New
Chrichton
Dear Sophie. I tried to do the “Authorization” exercise and have two questions: When trying to plug in an email-service, I found the ...
New
jskubick
I think I might have found a problem involving SwitchCompat, thumbTint, and trackTint. As entered, the SwitchCompat changes color to hol...
New
hgkjshegfskef
The test is as follows: Scenario: Intersecting a scaled sphere with a ray Given r ← ray(point(0, 0, -5), vector(0, 0, 1)) And s ← sphere...
New
New
oaklandgit
Hi, I completed chapter 6 but am getting the following error when running: thread 'main' panicked at 'Failed to load texture: IoError(O...
New
hazardco
On page 78 the following code appears: <%= link_to ‘Destroy’, product, class: ‘hover:underline’, method: :delete, data: { confirm...
New
akraut
The markup used to display the uploaded image results in a Phoenix.LiveView.HTMLTokenizer.ParseError error. lib/pento_web/live/product_l...
New
New

Other popular topics Top

Devtalk
Hello Devtalk World! Please let us know a little about who you are and where you’re from :nerd_face:
New
PragmaticBookshelf
Learn from the award-winning programming series that inspired the Elixir language, and go on a step-by-step journey through the most impo...
New
AstonJ
Do the test and post your score :nerd_face: :keyboard: If possible, please add info such as the keyboard you’re using, the layout (Qw...
New
Exadra37
I am asking for any distro that only has the bare-bones to be able to get a shell in the server and then just install the packages as we ...
New
Margaret
Hello everyone! This thread is to tell you about what authors from The Pragmatic Bookshelf are writing on Medium.
1147 29994 760
New
PragmaticBookshelf
Build efficient applications that exploit the unique benefits of a pure functional language, learning from an engineer who uses Haskell t...
New
PragmaticBookshelf
Programming Ruby is the most complete book on Ruby, covering both the language itself and the standard library as well as commonly used t...
New
First poster: AstonJ
Jan | Rethink the Computer. Jan turns your computer into an AI machine by running LLMs locally on your computer. It’s a privacy-focus, l...
New
PragmaticBookshelf
Fight complexity and reclaim the original spirit of agility by learning to simplify how you develop software. The result: a more humane a...
New
PragmaticBookshelf
A concise guide to MySQL 9 database administration, covering fundamental concepts, techniques, and best practices. Neil Smyth MySQL...
New

Sub Categories: