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https://github.com/mainflux/mainflux.git
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c966a7802d
Setup top-level glide dependencies file. Migrated all of the manager service code into this repository. Fixed docker build procedure. Extracted executable to the top-level. Signed-off-by: Dejan Mijic <dejan@mainflux.com>
109 lines
3.0 KiB
Go
109 lines
3.0 KiB
Go
package influx
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import (
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"fmt"
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"regexp"
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influxdb "github.com/influxdata/influxdb/client/v2"
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"github.com/go-kit/kit/log"
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)
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func ExampleCounter() {
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in := New(map[string]string{"a": "b"}, influxdb.BatchPointsConfig{}, log.NewNopLogger())
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counter := in.NewCounter("influx_counter")
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counter.Add(10)
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counter.With("error", "true").Add(1)
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counter.With("error", "false").Add(2)
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counter.Add(50)
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client := &bufWriter{}
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in.WriteTo(client)
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expectedLines := []string{
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`(influx_counter,a=b count=60) [0-9]{19}`,
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`(influx_counter,a=b,error=true count=1) [0-9]{19}`,
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`(influx_counter,a=b,error=false count=2) [0-9]{19}`,
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}
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if err := extractAndPrintMessage(expectedLines, client.buf.String()); err != nil {
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fmt.Println(err.Error())
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}
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// Output:
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// influx_counter,a=b count=60
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// influx_counter,a=b,error=true count=1
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// influx_counter,a=b,error=false count=2
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}
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func ExampleGauge() {
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in := New(map[string]string{"a": "b"}, influxdb.BatchPointsConfig{}, log.NewNopLogger())
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gauge := in.NewGauge("influx_gauge")
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gauge.Set(10)
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gauge.With("error", "true").Set(2)
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gauge.With("error", "true").Set(1)
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gauge.With("error", "false").Set(2)
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gauge.Set(50)
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gauge.With("test", "true").Set(1)
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gauge.With("test", "true").Add(1)
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client := &bufWriter{}
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in.WriteTo(client)
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expectedLines := []string{
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`(influx_gauge,a=b,test=true value=2) [0-9]{19}`,
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`(influx_gauge,a=b value=50) [0-9]{19}`,
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`(influx_gauge,a=b,error=true value=1) [0-9]{19}`,
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`(influx_gauge,a=b,error=false value=2) [0-9]{19}`,
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}
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if err := extractAndPrintMessage(expectedLines, client.buf.String()); err != nil {
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fmt.Println(err.Error())
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}
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// Output:
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// influx_gauge,a=b,test=true value=2
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// influx_gauge,a=b value=50
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// influx_gauge,a=b,error=true value=1
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// influx_gauge,a=b,error=false value=2
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}
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func ExampleHistogram() {
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in := New(map[string]string{"foo": "alpha"}, influxdb.BatchPointsConfig{}, log.NewNopLogger())
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histogram := in.NewHistogram("influx_histogram")
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histogram.Observe(float64(10))
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histogram.With("error", "true").Observe(float64(1))
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histogram.With("error", "false").Observe(float64(2))
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histogram.Observe(float64(50))
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client := &bufWriter{}
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in.WriteTo(client)
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expectedLines := []string{
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`(influx_histogram,foo=alpha p50=10,p90=50,p95=50,p99=50) [0-9]{19}`,
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`(influx_histogram,error=true,foo=alpha p50=1,p90=1,p95=1,p99=1) [0-9]{19}`,
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`(influx_histogram,error=false,foo=alpha p50=2,p90=2,p95=2,p99=2) [0-9]{19}`,
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}
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if err := extractAndPrintMessage(expectedLines, client.buf.String()); err != nil {
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fmt.Println(err.Error())
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}
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// Output:
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// influx_histogram,foo=alpha p50=10,p90=50,p95=50,p99=50
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// influx_histogram,error=true,foo=alpha p50=1,p90=1,p95=1,p99=1
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// influx_histogram,error=false,foo=alpha p50=2,p90=2,p95=2,p99=2
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}
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func extractAndPrintMessage(expected []string, msg string) error {
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for _, pattern := range expected {
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re := regexp.MustCompile(pattern)
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match := re.FindStringSubmatch(msg)
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if len(match) != 2 {
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return fmt.Errorf("Pattern not found! {%s} [%s]: %v\n", pattern, msg, match)
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}
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fmt.Println(match[1])
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}
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return nil
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}
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