34 lines
873 B
Go
34 lines
873 B
Go
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package binlog
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import (
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"strings"
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"testing"
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)
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func TestFormatBodyPreview(t *testing.T) {
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if got := formatBodyPreview(nil, 256); got != "len=0" {
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t.Fatalf("unexpected empty preview: %q", got)
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}
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small := []byte{0x01, 0x02, 0xAB}
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got := formatBodyPreview(small, 8)
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if !strings.Contains(got, "len=3") || !strings.Contains(got, "0102ab") {
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t.Fatalf("unexpected preview for small body: %q", got)
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}
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if strings.Contains(got, "...") {
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t.Fatalf("small body should not be truncated: %q", got)
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}
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large := make([]byte, 300)
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for i := range large {
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large[i] = byte(i)
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}
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got = formatBodyPreview(large, 16)
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if !strings.Contains(got, "len=300") || !strings.Contains(got, "preview(hex,16B)=") {
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t.Fatalf("unexpected preview for large body: %q", got)
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}
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if !strings.HasSuffix(got, "...") {
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t.Fatalf("large body should be truncated with ellipsis: %q", got)
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}
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}
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