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# encoding: UTF-8
shared_examples_for Prometheus::Client::Metric do
subject { described_class.new(:foo, 'foo description') }
describe '.new' do
it 'returns a new metric' do
expect(subject).to be
end
it 'raises an exception if a reserved base label is used' do
exception = Prometheus::Client::LabelSetValidator::ReservedLabelError
expect do
described_class.new(:foo, 'foo docstring', __name__: 'reserved')
end.to raise_exception exception
end
it 'raises an exception if the given name is blank' do
expect do
described_class.new(nil, 'foo')
end.to raise_exception ArgumentError
end
it 'raises an exception if docstring is missing' do
expect do
described_class.new(:foo, '')
end.to raise_exception ArgumentError
end
end
describe '#type' do
it 'returns the metric type as symbol' do
expect(subject.type).to be_a(Symbol)
end
end
describe '#get' do
it 'returns the current metric value' do
expect(subject.get).to be_a(type)
end
it 'returns the current metric value for a given label set' do
expect(subject.get(test: 'label')).to be_a(type)
end
end
end
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