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require 'test_helper'
require 'metriks/gauge'
class GaugeTest < Test::Unit::TestCase
def test_gauge
gauge = Metriks::Gauge.new
3.times do |i|
gauge.set(i + 1)
end
assert_equal 3, gauge.value
gauge.set(1)
assert_equal 1, gauge.value
end
def test_gauge_default
gauge = Metriks::Gauge.new
assert_equal nil, gauge.value
end
def test_gauge_callback_via_block
gauge = Metriks::Gauge.new { 56 }
assert_equal 56, gauge.value
end
def test_gauge_callback_via_callable_object
callable = Class.new(Struct.new(:value)) {
def call
value
end
}
gauge = Metriks::Gauge.new(callable.new(987))
assert_equal 987, gauge.value
gauge = Metriks::Gauge.new(proc { 123 })
assert_equal 123, gauge.value
end
end
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