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|
package dashboard
import (
"strings"
"testing"
"ior/internal/statsengine"
)
func TestRenderFilesIncludesHeaders(t *testing.T) {
snap := statsengine.NewSnapshot(
nil,
nil,
nil,
nil,
[]statsengine.FileSnapshot{
{Path: "/var/log/app.log", Accesses: 42, BytesRead: 4096, BytesWritten: 2048, AvgLatencyNs: 1500, MaxLatencyNs: 20_000},
},
nil,
statsengine.HistogramSnapshot{},
statsengine.HistogramSnapshot{},
)
out := renderFiles(&snap, 120, 30)
for _, token := range []string{"Path", "Accesses", "Read", "Write", "Avg Latency", "Max Latency", "app.log"} {
if !strings.Contains(out, token) {
t.Fatalf("expected token %q in files table output", token)
}
}
}
func TestRenderFilesNoData(t *testing.T) {
snap := statsengine.NewSnapshot(nil, nil, nil, nil, nil, nil, statsengine.HistogramSnapshot{}, statsengine.HistogramSnapshot{})
if got := renderFiles(&snap, 100, 20); got != "Files: no data" {
t.Fatalf("unexpected no-data output: %q", got)
}
}
func TestTruncatePathMiddle(t *testing.T) {
longPath := "/very/long/path/with/high/cardinality/segments/and/filename.log"
got := truncatePathMiddle(longPath, 24)
if len(got) != 24 {
t.Fatalf("expected truncated path length 24, got %d (%q)", len(got), got)
}
if !strings.Contains(got, "...") {
t.Fatalf("expected ellipsis in truncated path, got %q", got)
}
if !strings.HasPrefix(got, "/very") || !strings.HasSuffix(got, "e.log") {
t.Fatalf("expected head and tail preservation, got %q", got)
}
}
|
