package influx import ( "io/ioutil" "testing" "time" "github.com/influxdata/telegraf" "github.com/stretchr/testify/assert" ) var ( ms []telegraf.Metric writer = ioutil.Discard metrics500 []byte exptime = time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).UnixNano() ) const ( validInflux = "cpu_load_short,cpu=cpu0 value=10 1257894000000000000\n" validInfluxNewline = "\ncpu_load_short,cpu=cpu0 value=10 1257894000000000000\n" invalidInflux = "I don't think this is line protocol\n" invalidInflux2 = "{\"a\": 5, \"b\": {\"c\": 6}}\n" ) const influxMulti = ` cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 ` const influxMultiSomeInvalid = ` cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,cpu=cpu3, host=foo,datacenter=us-east usage_idle=99,usage_busy=1 cpu,cpu=cpu4 , usage_idle=99,usage_busy=1 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1 ` func TestParseValidInflux(t *testing.T) { parser := InfluxParser{} metrics, err := parser.Parse([]byte(validInflux)) assert.NoError(t, err) assert.Len(t, metrics, 1) assert.Equal(t, "cpu_load_short", metrics[0].Name()) assert.Equal(t, map[string]interface{}{ "value": float64(10), }, metrics[0].Fields()) assert.Equal(t, map[string]string{ "cpu": "cpu0", }, metrics[0].Tags()) assert.Equal(t, exptime, metrics[0].Time().UnixNano()) metrics, err = parser.Parse([]byte(validInfluxNewline)) assert.NoError(t, err) assert.Len(t, metrics, 1) assert.Equal(t, "cpu_load_short", metrics[0].Name()) assert.Equal(t, map[string]interface{}{ "value": float64(10), }, metrics[0].Fields()) assert.Equal(t, map[string]string{ "cpu": "cpu0", }, metrics[0].Tags()) assert.Equal(t, exptime, metrics[0].Time().UnixNano()) } func TestParseLineValidInflux(t *testing.T) { parser := InfluxParser{} metric, err := parser.ParseLine(validInflux) assert.NoError(t, err) assert.Equal(t, "cpu_load_short", metric.Name()) assert.Equal(t, map[string]interface{}{ "value": float64(10), }, metric.Fields()) assert.Equal(t, map[string]string{ "cpu": "cpu0", }, metric.Tags()) assert.Equal(t, exptime, metric.Time().UnixNano()) metric, err = parser.ParseLine(validInfluxNewline) assert.NoError(t, err) assert.Equal(t, "cpu_load_short", metric.Name()) assert.Equal(t, map[string]interface{}{ "value": float64(10), }, metric.Fields()) assert.Equal(t, map[string]string{ "cpu": "cpu0", }, metric.Tags()) assert.Equal(t, exptime, metric.Time().UnixNano()) } func TestParseMultipleValid(t *testing.T) { parser := InfluxParser{} metrics, err := parser.Parse([]byte(influxMulti)) assert.NoError(t, err) assert.Len(t, metrics, 7) for _, metric := range metrics { assert.Equal(t, "cpu", metric.Name()) assert.Equal(t, map[string]string{ "datacenter": "us-east", "host": "foo", }, metrics[0].Tags()) assert.Equal(t, map[string]interface{}{ "usage_idle": float64(99), "usage_busy": float64(1), }, metrics[0].Fields()) } } func TestParseSomeValid(t *testing.T) { parser := InfluxParser{} metrics, err := parser.Parse([]byte(influxMultiSomeInvalid)) assert.Error(t, err) assert.Len(t, metrics, 4) for _, metric := range metrics { assert.Equal(t, "cpu", metric.Name()) assert.Equal(t, map[string]string{ "datacenter": "us-east", "host": "foo", }, metrics[0].Tags()) assert.Equal(t, map[string]interface{}{ "usage_idle": float64(99), "usage_busy": float64(1), }, metrics[0].Fields()) } } // Test that default tags are applied. func TestParseDefaultTags(t *testing.T) { parser := InfluxParser{ DefaultTags: map[string]string{ "tag": "default", }, } metrics, err := parser.Parse([]byte(influxMultiSomeInvalid)) assert.Error(t, err) assert.Len(t, metrics, 4) for _, metric := range metrics { assert.Equal(t, "cpu", metric.Name()) assert.Equal(t, map[string]string{ "datacenter": "us-east", "host": "foo", "tag": "default", }, metric.Tags()) assert.Equal(t, map[string]interface{}{ "usage_idle": float64(99), "usage_busy": float64(1), }, metric.Fields()) } } // Verify that metric tags will override default tags func TestParseDefaultTagsOverride(t *testing.T) { parser := InfluxParser{ DefaultTags: map[string]string{ "host": "default", }, } metrics, err := parser.Parse([]byte(influxMultiSomeInvalid)) assert.Error(t, err) assert.Len(t, metrics, 4) for _, metric := range metrics { assert.Equal(t, "cpu", metric.Name()) assert.Equal(t, map[string]string{ "datacenter": "us-east", "host": "foo", }, metrics[0].Tags()) assert.Equal(t, map[string]interface{}{ "usage_idle": float64(99), "usage_busy": float64(1), }, metrics[0].Fields()) } } func TestParseInvalidInflux(t *testing.T) { parser := InfluxParser{} _, err := parser.Parse([]byte(invalidInflux)) assert.Error(t, err) _, err = parser.Parse([]byte(invalidInflux2)) assert.Error(t, err) _, err = parser.ParseLine(invalidInflux) assert.Error(t, err) _, err = parser.ParseLine(invalidInflux2) assert.Error(t, err) } func BenchmarkParse(b *testing.B) { var err error parser := InfluxParser{} for n := 0; n < b.N; n++ { // parse: ms, err = parser.Parse(metrics500) if err != nil { panic(err) } if len(ms) != 500 { panic("500 metrics not parsed!!") } } } func BenchmarkParseAddTagWrite(b *testing.B) { var err error parser := InfluxParser{} for n := 0; n < b.N; n++ { ms, err = parser.Parse(metrics500) if err != nil { panic(err) } if len(ms) != 500 { panic("500 metrics not parsed!!") } for _, tmp := range ms { tmp.AddTag("host", "localhost") writer.Write(tmp.Serialize()) } } } func init() { var err error metrics500, err = ioutil.ReadFile("500.metrics") if err != nil { panic(err) } }