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# frozen_string_literal: true
RSpec.describe TTY::Command, "dry run" do
let(:output) { StringIO.new }
it "queries for dry mode" do
command = TTY::Command.new(dry_run: false)
expect(command.dry_run?).to eq(false)
end
it "runs command in dry run mode" do
uuid = "xxxx"
allow(SecureRandom).to receive(:uuid).and_return(uuid)
command = TTY::Command.new(output: output, dry_run: true)
command.run(:echo, "hello", "world")
output.rewind
expect(output.read).to eq(
"[\e[32m#{uuid}\e[0m] \e[34m(dry run)\e[0m " \
"\e[33;1mecho hello world\e[0m\n"
)
end
it "allows to run command in dry mode" do
uuid = "xxxx"
allow(SecureRandom).to receive(:uuid).and_return(uuid)
command = TTY::Command.new(output: output)
command.run(:echo, "hello", "world", dry_run: true)
output.rewind
expect(output.read).to eq(
"[\e[32m#{uuid}\e[0m] \e[34m(dry run)\e[0m " \
"\e[33;1mecho hello world\e[0m\n"
)
end
it "doesn't collect printout to stdin or stderr" do
cmd = TTY::Command.new(output: output, dry_run: true)
out, err = cmd.run(:echo, "hello", "world")
expect(out).to be_empty
expect(err).to be_empty
end
end
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