Creating a gem basics in Ruby - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a new Ruby gem module named MyGem.

Ruby

module [1]
  # gem code goes here
end

Drag options to blanks, or click blank then click option'

AMyModule

BGemfile

CGem

DMyGem

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase or incorrect module names.

Confusing the gem name with the Gemfile.

The module name for a gem should be a unique name, usually capitalized. Here, MyGem is the correct module name.

2fill in blank

medium

Complete the code to create a gemspec file with the gem name my_gem.

Ruby

Gem::Specification.new do |spec|
  spec.name = [1]
  spec.version = '0.1.0'
end

Drag options to blanks, or click blank then click option'

A'my_gem'

B:MyGem

C:my_gem

D"MyGem"

Attempts:

3 left

💡 Hint

Common Mistakes

Using symbols instead of strings for the gem name.

Capitalizing the gem name incorrectly.

The gemspec name should be a string representing the gem's name, here 'my_gem'.

3fill in blank

hard

Fix the error in the gemspec code to correctly set the author email.

Ruby

spec.authors = ['Jane Doe']
spec.email = [1]

Drag options to blanks, or click blank then click option'

A'[e-mail]'

[e-mail]

C:[e-mail]

D['[e-mail]']

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting quotes around the email string.

Using symbols or arrays instead of a string.

The email field must be a string with quotes, not a bare word or symbol.

4fill in blank

hard

Fill both blanks to create a gemspec that sets the summary and homepage URL.

Ruby

spec.summary = [1]
spec.homepage = [2]

Drag options to blanks, or click blank then click option'

A"A simple Ruby gem"

BA simple Ruby gem

C"https://example.com/my_gem"

Dhttps://example.com/my_gem

Attempts:

3 left

💡 Hint

Common Mistakes

Not using quotes for string values.

Using bare words or URLs without quotes.

Both summary and homepage must be strings enclosed in quotes.

5fill in blank

hard

Fill all three blanks to define a gem module with a version constant.

Ruby

module [1]
  VERSION = [2]
end

puts [3]::VERSION

Drag options to blanks, or click blank then click option'

AMyGem

B"0.1.0"

DMyGemModule

Attempts:

3 left

💡 Hint

Common Mistakes

Mismatching module names.

Not quoting the version string.

Using wrong module name when printing.

The module name is MyGem, the version is a string "0.1.0", and to print the version we use MyGem::VERSION.