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61 lines
2.3 KiB
61 lines
2.3 KiB
package conditions
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import (
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"testing"
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"github.com/grafana/grafana/pkg/components/null"
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"github.com/grafana/grafana/pkg/components/simplejson"
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"github.com/stretchr/testify/require"
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)
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func evaluatorScenario(t *testing.T, json string, reducedValue float64, datapoints ...float64) bool {
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jsonModel, err := simplejson.NewJson([]byte(json))
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require.NoError(t, err)
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evaluator, err := NewAlertEvaluator(jsonModel)
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require.NoError(t, err)
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return evaluator.Eval(null.FloatFrom(reducedValue))
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}
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func TestEvaluators(t *testing.T) {
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t.Run("greater then", func(t *testing.T) {
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require.True(t, evaluatorScenario(t, `{"type": "gt", "params": [1] }`, 3))
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require.False(t, evaluatorScenario(t, `{"type": "gt", "params": [3] }`, 1))
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})
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t.Run("less then", func(t *testing.T) {
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require.False(t, evaluatorScenario(t, `{"type": "lt", "params": [1] }`, 3))
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require.True(t, evaluatorScenario(t, `{"type": "lt", "params": [3] }`, 1))
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})
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t.Run("within_range", func(t *testing.T) {
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require.True(t, evaluatorScenario(t, `{"type": "within_range", "params": [1, 100] }`, 3))
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require.False(t, evaluatorScenario(t, `{"type": "within_range", "params": [1, 100] }`, 300))
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require.True(t, evaluatorScenario(t, `{"type": "within_range", "params": [100, 1] }`, 3))
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require.False(t, evaluatorScenario(t, `{"type": "within_range", "params": [100, 1] }`, 300))
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})
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t.Run("outside_range", func(t *testing.T) {
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require.True(t, evaluatorScenario(t, `{"type": "outside_range", "params": [1, 100] }`, 1000))
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require.False(t, evaluatorScenario(t, `{"type": "outside_range", "params": [1, 100] }`, 50))
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require.True(t, evaluatorScenario(t, `{"type": "outside_range", "params": [100, 1] }`, 1000))
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require.False(t, evaluatorScenario(t, `{"type": "outside_range", "params": [100, 1] }`, 50))
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})
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t.Run("no_value", func(t *testing.T) {
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t.Run("should be false if series have values", func(t *testing.T) {
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require.False(t, evaluatorScenario(t, `{"type": "no_value", "params": [] }`, 50))
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})
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t.Run("should be true when the series have no value", func(t *testing.T) {
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jsonModel, err := simplejson.NewJson([]byte(`{"type": "no_value", "params": [] }`))
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require.NoError(t, err)
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evaluator, err := NewAlertEvaluator(jsonModel)
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require.NoError(t, err)
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require.True(t, evaluator.Eval(null.FloatFromPtr(nil)))
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})
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})
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}
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