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##############################################################################
# sys_top_spec.rb
#
# Test suite for the sys-top library that is included with this distribution.
##############################################################################
require 'spec_helper'
RSpec.describe Sys::Top do
context 'constants' do
it 'sets the version to the expected value' do
expect(Sys::Top::VERSION).to eql('1.0.5')
end
end
context 'top' do
it 'defines a top method' do
expect(described_class).to respond_to(:top)
end
it 'returns an array' do
expect(described_class.top).to be_kind_of(Array)
end
it 'works with no arguments' do
expect{ described_class.top }.not_to raise_error
end
it 'accepts a maximum of two arguments' do
expect{ described_class.top(1, 'foo', 2) }.to raise_error(ArgumentError)
end
it 'accepts optional arguments' do
expect{ described_class.top(5) }.not_to raise_error
expect{ described_class.top(5, 'cmdline') }.not_to raise_error
end
it 'returns the expected results with no arguments' do
expect(described_class.top.size).to be(10)
expect(described_class.top.first).to be_kind_of(Struct::ProcTableStruct)
end
it 'returns the expected result with a size argument' do
expect(described_class.top(5).size).to be(5)
end
it 'returns the expected result with a size and sort_by argument' do
expect(described_class.top(5, :cmdline).size).to be(5)
end
end
end
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