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Extract Metrics out of ReportText

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Metrics will be reused with other Reporters
This commit is contained in:
Tomás Senart
2013-09-10 13:32:44 +01:00
parent 4376791da2
commit 6e9f34846b
3 changed files with 115 additions and 33 deletions
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39
lib/reporters.go
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@@ -9,7 +9,6 @@ import (
"fmt"
"io"
"text/tabwriter"
"time"
)
// Reporter represents any function which takes a slice of Results and
@@ -17,51 +16,25 @@ import (
// in case of failure
type Reporter func([]Result, io.Writer) error
// ReportText computes and prints some metrics out of results
// as formatted text. Metrics include avg time per request, success ratio,
// total number of request, avg bytes in and avg bytes out.
// ReportText writes a computed Metrics struct to out as aligned, formatted text
func ReportText(results []Result, out io.Writer) error {
totalRequests := float64(len(results))
totalTime := time.Duration(0)
totalBytesOut := uint64(0)
totalBytesIn := uint64(0)
totalSuccess := uint64(0)
histogram := map[uint16]uint64{}
errors := map[string]struct{}{}
for _, res := range results {
histogram[res.Code]++
totalTime += res.Timing
totalBytesOut += res.BytesOut
totalBytesIn += res.BytesIn
if res.Code >= 200 && res.Code < 300 {
totalSuccess++
}
if res.Error != nil {
errors[res.Error.Error()] = struct{}{}
}
}
avgTime := time.Duration(float64(totalTime) / totalRequests)
avgBytesOut := float64(totalBytesOut) / totalRequests
avgBytesIn := float64(totalBytesIn) / totalRequests
avgSuccess := float64(totalSuccess) / totalRequests
m := NewMetrics(results)
w := tabwriter.NewWriter(out, 0, 8, 2, '\t', tabwriter.StripEscape)
fmt.Fprintf(w, "Time(avg)\tRequests\tSuccess\tBytes(rx/tx)\n")
fmt.Fprintf(w, "%s\t%d\t%.2f%%\t%.2f/%.2f\n", avgTime, int(totalRequests), avgSuccess*100, avgBytesIn, avgBytesOut)
fmt.Fprintf(w, "%s\t%d\t%.2f%%\t%.2f/%.2f\n", m.MeanTiming, m.TotalRequests, m.MeanSuccess*100, m.MeanBytesIn, m.MeanBytesOut)
fmt.Fprintf(w, "\nCount:\t")
for _, count := range histogram {
for _, count := range m.StatusCodes {
fmt.Fprintf(w, "%d\t", count)
}
fmt.Fprintf(w, "\nStatus:\t")
for code := range histogram {
for code := range m.StatusCodes {
fmt.Fprintf(w, "%d\t", code)
}
fmt.Fprintln(w, "\n\nError Set:")
for err := range errors {
for err := range m.Errors {
fmt.Fprintln(w, err)
}