junjunlocal:projects Admin$ bundle gem mygem
Creating gem 'mygem'...
Code of conduct enabled in config
MIT License enabled in config
create mygem/Gemfile
create mygem/.gitignore
create mygem/lib/mygem.rb
create mygem/lib/mygem/version.rb
create mygem/mygem.gemspec
create mygem/Rakefile
create mygem/README.md
create mygem/bin/console
create mygem/bin/setup
create mygem/CODE_OF_CONDUCT.md
create mygem/LICENSE.txt
create mygem/.travis.yml
Initializing git repo in /User/junjun/projects/mygem junjunlocal:mygem Admin$ tree
.
├── CODE_OF_CONDUCT.md
├── Gemfile
├── LICENSE.txt
├── README.md
├── Rakefile
├── bin
│ ├── console
│ └── setup
├── lib
│ ├── mygem
│ │ ├── caculator.rb
│ │ └── version.rb
│ └── mygem.rb
└── mygem.gemspec
3 directories, 11 files caculator.rb
module Mygem
class Caculator
def self.add(n1,n2)
n1 + n2
end
end
end #lib/mygem.rb
require "mygem/version"
require "mygem/caculator.rb"
module Mygem
# Your code goes here...
end ~
# coding: utf-8
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'mygem/version'
Gem::Specification.new do |spec|
spec.name = "mygem"
spec.version = Mygem::VERSION
spec.authors = ["andy"]
spec.email = ["[email protected]"]
spec.summary = %q{手动创建gem demo}
spec.description = %q{手动创建gem demo}
spec.homepage = "http://coder.com"
spec.license = "MIT"
# Prevent pushing this gem to RubyGems.org by setting 'allowed_push_host', or
# delete this section to allow pushing this gem to any host.
if spec.respond_to?(:metadata)
spec.metadata['allowed_push_host'] = "TODO: Set to 'http://mygemserver.com'"
else
raise "RubyGems 2.0 or newer is required to protect against public gem pushes."
end
spec.files = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
spec.bindir = "exe"
spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
spec.require_paths = ["lib"]
#添加依赖的库gem install 的时会自动去下载依赖
spec.add_dependency 'fileutils'
spec.add_development_dependency "bundler", "~> 1.10"
spec.add_development_dependency "rake", "~> 10.0"
#添加rspec 用于写单元测试
spec.add_development_dependency "rspec", "~> 3.2"
end junjunlocal:mygem Admin$ tree
.
├── CODE_OF_CONDUCT.md
├── Gemfile
├── LICENSE.txt
├── README.md
├── Rakefile
├── bin
│ ├── console
│ └── setup
├── lib
│ ├── mygem
│ │ ├── caculator.rb
│ │ └── version.rb
│ └── mygem.rb
├── mygem.gemspec
└── spec
└── caculator_spec.rb
4 directories, 12 files spec/caculator_spec.rb 内容:
#encoding:utf-8
#测试代码
require 'Mygem'
describe Mygem::Caculator do
n1 = 10
n2 = 11
#这个测试会成功
it "test add : #{n1+n2}" do
ret = Mygem::Caculator.add(n1,n2)
expect(ret).to eql(n1+n2)
end
#这个测试用例会fail
it "test add : #{n1+n2}" do
ret = Mygem::Caculator.add(n1,n2)
expect(ret).to eql(n1+n2+1)
end
end junjunlocal:mygem Admin$ bundle install
Fetching gem metadata from https://ruby.taobao.org/....
Fetching version metadata from https://ruby.taobao.org/..
Resolving dependencies...
Using rake 10.5.0
Using bundler 1.10.5
Using diff-lcs 1.2.5
Installing rmagick 2.15.4 with native extensions
Installing fileutils 0.7
Using mygem 0.1.0 from source at .
Installing rspec-support 3.4.1
Installing rspec-core 3.4.3
Installing rspec-expectations 3.4.0
Installing rspec-mocks 3.4.1
Installing rspec 3.4.0
Bundle complete! 4 Gemfile dependencies, 11 gems now installed.
Use `bundle show [gemname]` to see where a bundled gem is installed. 可以看到 我们依赖的fileutils已经自动安装了,并且mygem也自动包括进来了
Installing fileutils 0.7
Using mygem 0.1.0 from source at . junjunlocal:mygem Admin$ pwd
/User/junjun/projects/mygem
junjunlocal:mygem Admin$ bundle exec rspec
.F
Failures:
1) Mygem::Caculator test add : 21
Failure/Error: expect(ret).to eql(n1+n2+1)
expected: 22
got: 21
(compared using eql?)
# ./spec/caculator_spec.rb:19:in `block (2 levels) in <top (required)>'
Finished in 0.03537 seconds (files took 0.16785 seconds to load)
2 examples, 1 failure
Failed examples:
rspec ./spec/caculator_spec.rb:17 # Mygem::Caculator test add : 21 junjunlocal:mygem Admin$ gem build mygem.gemspec
WARNING: description and summary are identical
WARNING: open-ended dependency on fileutils (>= 0) is not recommended
if fileutils is semantically versioned, use:
add_runtime_dependency 'fileutils', '~> 0'
WARNING: See http://guides.rubygems.org/specification-reference/ for help
Successfully built RubyGem
Name: mygem
Version: 0.1.0
File: mygem-0.1.0.gem
junjunlocal:mygem Admin$ gem install mygem-0.1.0.gem
Successfully installed mygem-0.1.0
Parsing documentation for mygem-0.1.0
Installing ri documentation for mygem-0.1.0
Done installing documentation for mygem after 0 seconds
1 gem installed
junjunlocal:mygem Admin$ irb
1.9.3-p545 :001 > require 'mygem'
=> true
1.9.3-p545 :003 > Mygem::Caculator.add(1,2)
=> 3
1.9.3-p545 :004 > 
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent