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Holger Just
d07a9452f4
The {UNDEFINED} object can be used as the default value for method
arguments to distinguish it from `nil`. See
https://holgerjust.de/2016/detecting-default-arguments-in-ruby/#special-default-value
for details.
57 lines
1.7 KiB
Ruby
57 lines
1.7 KiB
Ruby
# Copyright 2017 Holger Just
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#
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# This software may be modified and distributed under the terms
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# of the MIT license. See the LICENSE.txt file for details.
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require 'spec_helper'
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describe Rackstash do
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it 'defines PROGRAME with the correct version' do
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expect(Rackstash::PROGNAME).to match %r{\Arackstash/v\d+(\..+)*\z}
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expect(Rackstash::PROGNAME).to be_frozen
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end
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it 'defines SEVERITIES constants' do
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expect(Rackstash::SEVERITIES).to eql((0..5).to_a)
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expect(Rackstash::DEBUG).to eql 0
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expect(Rackstash::INFO).to eql 1
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expect(Rackstash::WARN).to eql 2
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expect(Rackstash::ERROR).to eql 3
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expect(Rackstash::FATAL).to eql 4
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expect(Rackstash::UNKNOWN).to eql 5
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end
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it 'defines EMPTY_* constants' do
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expect(Rackstash::EMPTY_STRING).to eql ''
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expect(Rackstash::EMPTY_STRING).to be_frozen
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expect(Rackstash::EMPTY_SET).to eql Set.new
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expect(Rackstash::EMPTY_SET).to be_frozen
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expect(Rackstash::ISO8601_PRECISION).to be_a Integer
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end
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it 'defines FIELD_* constants' do
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constants = Rackstash.constants.select { |c| c.to_s.start_with?('FIELD_') }
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expect(constants).not_to be_empty
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constants.each do |name|
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expect(Rackstash.const_get(name)).to be_a String
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expect(Rackstash.const_get(name)).to be_frozen
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end
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end
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it 'defines UNDEFINED' do
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expect(Rackstash::UNDEFINED).to be_instance_of Rackstash::UndefinedClass
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expect(Rackstash::UNDEFINED.to_s).to eql 'undefined'
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expect(Rackstash::UNDEFINED).to equal Rackstash::UNDEFINED
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expect(Rackstash::UNDEFINED).not_to eql nil
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expect(Rackstash::UNDEFINED).not_to eql false
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expect(Rackstash::UNDEFINED).not_to eql true
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expect(Rackstash::UNDEFINED).not_to eql 42
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end
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end
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