29 lines
939 B
Go
29 lines
939 B
Go
package diagnostics
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import (
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"fmt"
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"strings"
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"testing"
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"unicode/utf8"
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)
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func TestAggregateEnforcesByteBudgetAndReportsOmissions(t *testing.T) {
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issues := make([]string, MaxIssues)
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for index := range issues {
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issues[index] = fmt.Sprintf("issue-%d-%s", index, strings.Repeat("火", MaxDisplayedRunes))
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}
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message := Aggregate("invalid D&D data", issues)
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if !utf8.ValidString(message) || len([]byte(message)) > MaxMessageBytes {
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t.Fatalf("Aggregate() returned invalid or oversized message: bytes=%d message=%q", len([]byte(message)), message)
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}
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displayed := strings.Count(message, "issue-")
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if displayed == 0 || displayed >= len(issues) {
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t.Fatalf("Aggregate() displayed %d issues, want byte-budget omission", displayed)
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}
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wantOmitted := fmt.Sprintf("%d additional issue(s) omitted", len(issues)-displayed)
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if !strings.Contains(message, wantOmitted) {
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t.Fatalf("Aggregate() = %q, want %q", message, wantOmitted)
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}
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}
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