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ruby--ruby/spec/bundler/commands/init_spec.rb

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# frozen_string_literal: true
RSpec.describe "bundle init" do
it "generates a Gemfile" do
bundle :init
expect(out).to include("Writing new Gemfile")
expect(bundled_app_gemfile).to be_file
end
context "when a Gemfile already exists" do
before do
create_file "Gemfile", <<-G
gem "rails"
G
end
it "does not change existing Gemfiles" do
expect { bundle :init, :raise_on_error => false }.not_to change { File.read(bundled_app_gemfile) }
end
it "notifies the user that an existing Gemfile already exists" do
bundle :init, :raise_on_error => false
expect(err).to include("Gemfile already exists")
end
end
context "when a Gemfile exists in a parent directory" do
let(:subdir) { "child_dir" }
it "lets users generate a Gemfile in a child directory" do
bundle :init
FileUtils.mkdir bundled_app(subdir)
bundle :init, :dir => bundled_app(subdir)
expect(out).to include("Writing new Gemfile")
expect(bundled_app("#{subdir}/Gemfile")).to be_file
end
end
context "when the dir is not writable by the current user" do
let(:subdir) { "child_dir" }
it "notifies the user that it can not write to it" do
FileUtils.mkdir bundled_app(subdir)
# chmod a-w it
mode = File.stat(bundled_app(subdir)).mode ^ 0o222
FileUtils.chmod mode, bundled_app(subdir)
bundle :init, :dir => bundled_app(subdir), :raise_on_error => false
expect(err).to include("directory is not writable")
expect(Dir[bundled_app("#{subdir}/*")]).to be_empty
end
end
context "given --gemspec option" do
let(:spec_file) { tmp.join("test.gemspec") }
it "should generate from an existing gemspec" do
File.open(spec_file, "w") do |file|
file << <<-S
Gem::Specification.new do |s|
s.name = 'test'
s.add_dependency 'rack', '= 1.0.1'
s.add_development_dependency 'rspec', '1.2'
end
S
end
bundle :init, :gemspec => spec_file
gemfile = bundled_app_gemfile.read
expect(gemfile).to match(%r{source 'https://rubygems.org'})
expect(gemfile.scan(/gem "rack", "= 1.0.1"/).size).to eq(1)
expect(gemfile.scan(/gem "rspec", "= 1.2"/).size).to eq(1)
expect(gemfile.scan(/group :development/).size).to eq(1)
end
context "when gemspec file is invalid" do
it "notifies the user that specification is invalid" do
File.open(spec_file, "w") do |file|
file << <<-S
Gem::Specification.new do |s|
s.name = 'test'
s.invalid_method_name
end
S
end
bundle :init, :gemspec => spec_file, :raise_on_error => false
expect(err).to include("There was an error while loading `test.gemspec`")
end
end
end
context "when init_gems_rb setting is enabled" do
before { bundle "config set init_gems_rb true" }
it "generates a gems.rb" do
bundle :init
expect(out).to include("Writing new gems.rb")
expect(bundled_app("gems.rb")).to be_file
end
context "when gems.rb already exists" do
before do
create_file("gems.rb", <<-G)
gem "rails"
G
end
it "does not change existing Gemfiles" do
expect { bundle :init, :raise_on_error => false }.not_to change { File.read(bundled_app("gems.rb")) }
end
it "notifies the user that an existing gems.rb already exists" do
bundle :init, :raise_on_error => false
expect(err).to include("gems.rb already exists")
end
end
context "when a gems.rb file exists in a parent directory" do
let(:subdir) { "child_dir" }
it "lets users generate a Gemfile in a child directory" do
bundle :init
FileUtils.mkdir bundled_app(subdir)
bundle :init, :dir => bundled_app(subdir)
expect(out).to include("Writing new gems.rb")
expect(bundled_app("#{subdir}/gems.rb")).to be_file
end
end
context "given --gemspec option" do
let(:spec_file) { tmp.join("test.gemspec") }
before do
File.open(spec_file, "w") do |file|
file << <<-S
Gem::Specification.new do |s|
s.name = 'test'
s.add_dependency 'rack', '= 1.0.1'
s.add_development_dependency 'rspec', '1.2'
end
S
end
end
it "should generate from an existing gemspec" do
bundle :init, :gemspec => spec_file
gemfile = bundled_app("gems.rb").read
expect(gemfile).to match(%r{source 'https://rubygems.org'})
expect(gemfile.scan(/gem "rack", "= 1.0.1"/).size).to eq(1)
expect(gemfile.scan(/gem "rspec", "= 1.2"/).size).to eq(1)
expect(gemfile.scan(/group :development/).size).to eq(1)
end
it "prints message to user" do
bundle :init, :gemspec => spec_file
expect(out).to include("Writing new gems.rb")
end
end
end
end