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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Usage::Metrics::Instrumentations::GenericMetric do
shared_examples 'custom fallback' do |custom_fallback|
subject do
Class.new(described_class) do
fallback(custom_fallback)
value { ApplicationRecord.database.version }
end.new(time_frame: 'none')
end
describe '#value' do
it 'gives the correct value' do
expect(subject.value).to eq(ApplicationRecord.database.version)
end
context 'when raising an exception' do
before do
allow(Gitlab::ErrorTracking).to receive(:should_raise_for_dev?).and_return(should_raise_for_dev)
expect(ApplicationRecord.database).to receive(:version).and_raise('Error')
end
context 'with should_raise_for_dev? false' do
let(:should_raise_for_dev) { false }
it 'return the custom fallback' do
expect(subject.value).to eq(custom_fallback)
end
end
context 'with should_raise_for_dev? true' do
let(:should_raise_for_dev) { true }
it 'raises an error' do
expect { subject.value }.to raise_error('Error')
end
end
end
end
end
context 'with default fallback' do
subject do
Class.new(described_class) do
value { ApplicationRecord.database.version }
end.new(time_frame: 'none')
end
describe '#value' do
it 'gives the correct value' do
expect(subject.value).to eq(ApplicationRecord.database.version )
end
context 'when raising an exception' do
before do
allow(Gitlab::ErrorTracking).to receive(:should_raise_for_dev?).and_return(should_raise_for_dev)
expect(ApplicationRecord.database).to receive(:version).and_raise('Error')
end
context 'with should_raise_for_dev? false' do
let(:should_raise_for_dev) { false }
it 'return the default fallback' do
expect(subject.value).to eq(described_class::FALLBACK)
end
end
context 'with should_raise_for_dev? true' do
let(:should_raise_for_dev) { true }
it 'raises an error' do
expect { subject.value }.to raise_error('Error')
end
end
end
end
end
context 'with custom fallback -2' do
it_behaves_like 'custom fallback', -2
end
context 'with custom fallback nil' do
it_behaves_like 'custom fallback', nil
end
context 'with custom fallback false' do
it_behaves_like 'custom fallback', false
end
context 'with custom fallback true' do
it_behaves_like 'custom fallback', true
end
context 'with custom fallback []' do
it_behaves_like 'custom fallback', []
end
context 'with custom fallback { major: -1 }' do
it_behaves_like 'custom fallback', { major: -1 }
end
end
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