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require 'spec_helper'
require 'r10k/util/subprocess'
describe R10K::Util::Subprocess do
describe "selecting the runner implementation" do
it "uses the windows implementation on Windows platforms" do
expect(R10K::Util::Platform).to receive(:windows?).and_return true
expect(described_class.runner).to eq R10K::Util::Subprocess::Runner::Windows
end
it "uses the posix implementation when not on windows" do
expect(R10K::Util::Platform).to receive(:windows?).and_return true
expect(described_class.runner).to eq R10K::Util::Subprocess::Runner::Windows
end
end
describe "running commands" do
subject { described_class.new(['/bin/echo', 'hello', 'world']) }
let(:runner) do
double('R10K::Util::Subprocess::Runner').tap do |i|
allow(i).to receive(:run).and_return(result)
end
end
let(:result) { double('R10K::Util::Subprocess::Result').as_null_object }
before do
allow(described_class).to receive(:runner).and_return(double(:new => runner))
end
it "copies the cwd to the runner if a cwd is given" do
expect(runner).to receive(:cwd=).with('/tmp')
subject.cwd = '/tmp'
subject.execute
end
it "returns the result from the execution" do
expect(subject.execute).to eq result
end
describe "when the command returned with a non-zero exit status" do
before do
allow(runner).to receive(:crashed?).and_return true
end
it "raises an exception if raise_on_fail is true" do
subject.raise_on_fail = true
allow(result).to receive(:exit_code).and_return(255)
allow(result).to receive(:stderr).and_return('Command not found')
expect {
subject.execute
}.to raise_error(R10K::Util::Subprocess::SubprocessError, /Command exited with non-zero exit code/)
end
it "doesn't raise an exception if raise_on_fail is false" do
subject.raise_on_fail = false
expect { subject.execute }.to_not raise_error
end
end
end
end
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