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117 lines
4.1 KiB
117 lines
4.1 KiB
// Copyright 2023 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rules
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import (
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"context"
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"net/url"
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"testing"
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"time"
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"github.com/go-kit/log"
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"github.com/stretchr/testify/require"
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"github.com/prometheus/prometheus/model/labels"
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"github.com/prometheus/prometheus/promql"
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"github.com/prometheus/prometheus/promql/parser"
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)
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type unknownRule struct{}
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func (u unknownRule) Name() string { return "" }
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func (u unknownRule) Labels() labels.Labels { return labels.EmptyLabels() }
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func (u unknownRule) Eval(context.Context, time.Duration, time.Time, QueryFunc, *url.URL, int) (promql.Vector, error) {
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return nil, nil
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}
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func (u unknownRule) String() string { return "" }
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func (u unknownRule) Query() parser.Expr { return nil }
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func (u unknownRule) SetLastError(error) {}
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func (u unknownRule) LastError() error { return nil }
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func (u unknownRule) SetHealth(RuleHealth) {}
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func (u unknownRule) Health() RuleHealth { return "" }
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func (u unknownRule) SetEvaluationDuration(time.Duration) {}
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func (u unknownRule) GetEvaluationDuration() time.Duration { return 0 }
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func (u unknownRule) SetEvaluationTimestamp(time.Time) {}
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func (u unknownRule) GetEvaluationTimestamp() time.Time { return time.Time{} }
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func (u unknownRule) SetNoDependentRules(bool) {}
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func (u unknownRule) NoDependentRules() bool { return false }
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func (u unknownRule) SetNoDependencyRules(bool) {}
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func (u unknownRule) NoDependencyRules() bool { return false }
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func TestNewRuleDetailPanics(t *testing.T) {
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require.PanicsWithValue(t, `unknown rule type "rules.unknownRule"`, func() {
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NewRuleDetail(unknownRule{})
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})
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}
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func TestFromOriginContext(t *testing.T) {
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t.Run("should return zero value if RuleDetail is missing in the context", func(t *testing.T) {
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detail := FromOriginContext(context.Background())
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require.Zero(t, detail)
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// The zero value for NoDependentRules must be the most conservative option.
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require.False(t, detail.NoDependentRules)
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// The zero value for NoDependencyRules must be the most conservative option.
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require.False(t, detail.NoDependencyRules)
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})
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}
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func TestNewRuleDetail(t *testing.T) {
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t.Run("should populate NoDependentRules and NoDependencyRules for a RecordingRule", func(t *testing.T) {
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rule := NewRecordingRule("test", &parser.NumberLiteral{Val: 1}, labels.EmptyLabels())
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detail := NewRuleDetail(rule)
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require.False(t, detail.NoDependentRules)
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require.False(t, detail.NoDependencyRules)
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rule.SetNoDependentRules(true)
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detail = NewRuleDetail(rule)
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require.True(t, detail.NoDependentRules)
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require.False(t, detail.NoDependencyRules)
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rule.SetNoDependencyRules(true)
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detail = NewRuleDetail(rule)
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require.True(t, detail.NoDependentRules)
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require.True(t, detail.NoDependencyRules)
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})
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t.Run("should populate NoDependentRules and NoDependencyRules for a AlertingRule", func(t *testing.T) {
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rule := NewAlertingRule(
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"test",
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&parser.NumberLiteral{Val: 1},
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time.Minute,
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0,
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labels.FromStrings("test", "test"),
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labels.EmptyLabels(),
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labels.EmptyLabels(),
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"",
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true, log.NewNopLogger(),
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)
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detail := NewRuleDetail(rule)
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require.False(t, detail.NoDependentRules)
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require.False(t, detail.NoDependencyRules)
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rule.SetNoDependentRules(true)
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detail = NewRuleDetail(rule)
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require.True(t, detail.NoDependentRules)
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require.False(t, detail.NoDependencyRules)
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rule.SetNoDependencyRules(true)
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detail = NewRuleDetail(rule)
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require.True(t, detail.NoDependentRules)
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require.True(t, detail.NoDependencyRules)
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})
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}
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