Carlos Florêncio
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
package canvas
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import (
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"expvar"
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"strconv"
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"testing"
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)
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func canvasScopeMetricCount(t *testing.T, label string) int64 {
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t.Helper()
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value := expvar.Get("canvas_data_scope_transition_total")
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if value == nil {
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t.Fatal("canvas data-scope transition counter is not registered")
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}
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metrics, ok := value.(*expvar.Map)
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if !ok {
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t.Fatalf("canvas data-scope transition metric has type %T, want *expvar.Map", value)
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}
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var count int64
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metrics.Do(func(keyValue expvar.KeyValue) {
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if keyValue.Key != label {
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return
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}
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parsed, err := strconv.ParseInt(keyValue.Value.String(), 10, 64)
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if err != nil {
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t.Errorf("canvas data-scope metric %q value = %q: %v", label, keyValue.Value.String(), err)
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return
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}
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count = parsed
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})
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return count
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}
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func TestRecordCanvasScopeTransitionUsesFixedLabels(t *testing.T) {
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label := "transition=reviewed_upgrade;result=data_scope_enabled"
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before := canvasScopeMetricCount(t, label)
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recordCanvasScopeTransition(canvasScopeReviewedUpgrade, canvasScopeEnabled)
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after := canvasScopeMetricCount(t, label)
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if after-before != 1 {
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t.Fatalf("transition counter delta = %d, want 1", after-before)
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}
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}
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