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require 'test_helper'
class GetProcessMemTest < Test::Unit::TestCase
def setup
@mem = GetProcessMem.new
end
def test_seems_to_work
assert @mem.kb > 0
assert @mem.mb > 0
assert @mem.gb > 0
assert @mem.bytes > 0
end
def test_linux_smap
delta = 1
bytes = @mem.linux_memory(fixture_path("heroku-bash-smap"))
assert_in_delta BigDecimal("2122240.0"), bytes, delta
end
def test_linux_status
bytes = @mem.linux_status_memory(fixture_path("heroku-bash-status"))
assert_equal bytes, 2080768
end
def test_conversions
bytes = 0
delta = BigDecimal("0.0000001")
assert_in_delta 0.0, @mem.kb(bytes), delta
assert_in_delta 0.0, @mem.mb(bytes), delta
assert_in_delta 0.0, @mem.gb(bytes), delta
# kb
bytes = 1024
assert_in_delta 1.0, @mem.kb(bytes), delta
assert_in_delta 0.0009765625, @mem.mb(bytes), delta
assert_in_delta 9.5367431640625e-07, @mem.gb(bytes), delta
# mb
bytes = 1_048_576
assert_in_delta 1024.0, @mem.kb(bytes), delta
assert_in_delta 1.0, @mem.mb(bytes), delta
assert_in_delta 0.0009765625, @mem.gb(bytes), delta
# gb
bytes = 1_073_741_824
assert_in_delta 1048576.0, @mem.kb(bytes), delta
assert_in_delta 1024.0, @mem.mb(bytes), delta
assert_in_delta 1.0, @mem.gb(bytes), delta
end
end
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