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require "spec_helper"
require "bundler/dsl"
describe Chef::Cookbook::GemInstaller do
let(:cookbook_collection) do
{
test: double(
:cookbook,
metadata: double(
:metadata,
gems: [["httpclient"], ["nokogiri"]]
)
),
test2: double(
:cookbook,
metadata: double(
:metadata,
gems: [["httpclient", ">= 2.0"]]
)
),
test3: double(
:cookbook,
metadata: double(
:metadata,
gems: [["httpclient", ">= 1.0"]]
)
),
}
end
let(:gem_installer) do
described_class.new(cookbook_collection, Chef::EventDispatch::Dispatcher.new)
end
let(:gemfile) do
StringIO.new
end
let(:shell_out) do
double(:shell_out, stdout: "")
end
let(:bundler_dsl) do
b = Bundler::Dsl.new
b.instance_eval(gemfile.string)
b
end
before(:each) do
# Prepare mocks: using a StringIO instead of a File
expect(Dir).to receive(:mktmpdir).and_yield("")
expect(File).to receive(:open).and_yield(gemfile)
expect(gemfile).to receive(:path).and_return("")
expect(IO).to receive(:read).and_return("")
expect(gem_installer).to receive(:shell_out!).and_return(shell_out)
end
it "generates a valid Gemfile" do
expect { gem_installer.install }.to_not raise_error
expect { bundler_dsl }.to_not raise_error
end
it "generate a Gemfile with all constraints" do
expect { gem_installer.install }.to_not raise_error
expect(bundler_dsl.dependencies.find { |d| d.name == "httpclient" }.requirements_list.length).to eql(2)
end
it "generates a valid Gemfile when Chef::Config[:rubygems_url] is set to a String" do
Chef::Config[:rubygems_url] = "https://www.rubygems.org"
expect { gem_installer.install }.to_not raise_error
expect(bundler_dsl.dependencies.find { |d| d.name == "httpclient" }.requirements_list.length).to eql(2)
end
it "generates a valid Gemfile when Chef::Config[:rubygems_url] is set to an Array" do
Chef::Config[:rubygems_url] = [ "https://www.rubygems.org" ]
expect { gem_installer.install }.to_not raise_error
expect(bundler_dsl.dependencies.find { |d| d.name == "httpclient" }.requirements_list.length).to eql(2)
end
end
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