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# frozen_string_literal: true
require "spec_helper"
RSpec.describe "bundle init" do
it "generates a Gemfile" do
bundle :init
expect(bundled_app("Gemfile")).to exist
end
context "when a Gemfile already exists" do
before do
gemfile <<-G
gem "rails"
G
end
it "does not change existing Gemfiles" do
expect { bundle :init }.not_to change { File.read(bundled_app("Gemfile")) }
end
it "notifies the user that an existing Gemfile already exists" do
bundle :init
expect(out).to include("Gemfile already exists")
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
expect(out).to include("There was an error while loading `test.gemspec`")
end
end
end
end
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