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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Metrics::Dashboard::Stages::VariableEndpointInserter do
include MetricsDashboardHelpers
let(:project) { build_stubbed(:project) }
let(:environment) { build_stubbed(:environment, project: project) }
describe '#transform!' do
subject(:transform!) { described_class.new(project, dashboard, environment: environment).transform! }
let(:dashboard) { load_sample_dashboard.deep_symbolize_keys }
context 'when dashboard variables are present' do
it 'assigns prometheus_endpoint_path to metric_label_values variable type' do
endpoint_path = Gitlab::Routing.url_helpers.prometheus_api_project_environment_path(
project,
environment,
proxy_path: :series,
match: ['backend:haproxy_backend_availability:ratio{env="{{env}}"}']
)
transform!
expect(
dashboard.dig(:templating, :variables, :metric_label_values_variable, :options)
).to include(prometheus_endpoint_path: endpoint_path)
end
it 'does not modify other variable types' do
original_text_variable = dashboard[:templating][:variables][:text_variable_full_syntax].deep_dup
transform!
expect(dashboard[:templating][:variables][:text_variable_full_syntax]).to eq(original_text_variable)
end
context 'when variable does not have the required series_selector' do
it 'adds prometheus_endpoint_path without match parameter' do
dashboard[:templating][:variables][:metric_label_values_variable][:options].delete(:series_selector)
endpoint_path = Gitlab::Routing.url_helpers.prometheus_api_project_environment_path(
project,
environment,
proxy_path: :series
)
transform!
expect(
dashboard.dig(:templating, :variables, :metric_label_values_variable, :options)
).to include(prometheus_endpoint_path: endpoint_path)
end
end
end
context 'when no variables are present' do
it 'does not fail' do
dashboard.delete(:templating)
expect { transform! }.not_to raise_error
end
end
context 'with no environment' do
subject(:transform!) { described_class.new(project, dashboard, {}).transform! }
it 'raises error' do
expect { transform! }.to raise_error(
Gitlab::Metrics::Dashboard::Errors::DashboardProcessingError,
'Environment is required for Stages::VariableEndpointInserter'
)
end
end
end
end
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