package influx import ( "math" "testing" "time" "github.com/influxdata/telegraf" "github.com/influxdata/telegraf/metric" "github.com/stretchr/testify/require" ) func MustMetric(v telegraf.Metric, err error) telegraf.Metric { // Force uint support to be enabled for testing. metric.EnableUintSupport() if err != nil { panic(err) } return v } const ( Uint64Overflow uint64 = 9223372036854775808 Uint64Max uint64 = 18446744073709551615 Uint64Test uint64 = 42 ) var tests = []struct { name string maxBytes int input telegraf.Metric output []byte err error }{ { name: "minimal", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "value": 42.0, }, time.Unix(0, 0), ), ), output: []byte("cpu value=42 0\n"), }, { name: "multiple tags", input: MustMetric( metric.New( "cpu", map[string]string{ "host": "localhost", "cpu": "CPU0", }, map[string]interface{}{ "value": 42.0, }, time.Unix(0, 0), ), ), output: []byte("cpu,cpu=CPU0,host=localhost value=42 0\n"), }, { name: "multiple fields", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "x": 42.0, "y": 42.0, }, time.Unix(0, 0), ), ), output: []byte("cpu x=42,y=42 0\n"), }, { name: "float NaN", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "x": math.NaN(), "y": 42, }, time.Unix(0, 0), ), ), output: []byte("cpu y=42i 0\n"), }, { name: "float NaN only", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "value": math.NaN(), }, time.Unix(0, 0), ), ), err: ErrNoFields, }, { name: "float Inf", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "value": math.Inf(1), "y": 42, }, time.Unix(0, 0), ), ), output: []byte("cpu y=42i 0\n"), }, { name: "integer field", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "value": 42, }, time.Unix(0, 0), ), ), output: []byte("cpu value=42i 0\n"), }, { name: "uint field", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "value": Uint64Test, }, time.Unix(0, 0), ), ), output: []byte("cpu value=42u 0\n"), }, { name: "uint field int64 overflow", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "value": Uint64Overflow, }, time.Unix(0, 0), ), ), output: []byte("cpu value=9223372036854775808u 0\n"), }, { name: "uint field uint64 max", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "value": Uint64Max, }, time.Unix(0, 0), ), ), output: []byte("cpu value=18446744073709551615u 0\n"), }, { name: "bool field", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "value": true, }, time.Unix(0, 0), ), ), output: []byte("cpu value=true 0\n"), }, { name: "string field", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "value": "howdy", }, time.Unix(0, 0), ), ), output: []byte("cpu value=\"howdy\" 0\n"), }, { name: "timestamp", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "value": 42.0, }, time.Unix(1519194109, 42), ), ), output: []byte("cpu value=42 1519194109000000042\n"), }, { name: "split fields exact", maxBytes: 33, input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "abc": 123, "def": 456, }, time.Unix(1519194109, 42), ), ), output: []byte("cpu abc=123i 1519194109000000042\ncpu def=456i 1519194109000000042\n"), }, { name: "split fields extra", maxBytes: 34, input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "abc": 123, "def": 456, }, time.Unix(1519194109, 42), ), ), output: []byte("cpu abc=123i 1519194109000000042\ncpu def=456i 1519194109000000042\n"), }, { name: "need more space", maxBytes: 32, input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{ "abc": 123, "def": 456, }, time.Unix(1519194109, 42), ), ), output: nil, err: ErrNeedMoreSpace, }, { name: "no fields", input: MustMetric( metric.New( "cpu", map[string]string{}, map[string]interface{}{}, time.Unix(0, 0), ), ), err: ErrNoFields, }, { name: "procstat", input: MustMetric( metric.New( "procstat", map[string]string{ "exe": "bash", "process_name": "bash", }, map[string]interface{}{ "cpu_time": 0, "cpu_time_guest": float64(0), "cpu_time_guest_nice": float64(0), "cpu_time_idle": float64(0), "cpu_time_iowait": float64(0), "cpu_time_irq": float64(0), "cpu_time_nice": float64(0), "cpu_time_soft_irq": float64(0), "cpu_time_steal": float64(0), "cpu_time_stolen": float64(0), "cpu_time_system": float64(0), "cpu_time_user": float64(0.02), "cpu_usage": float64(0), "involuntary_context_switches": 2, "memory_data": 1576960, "memory_locked": 0, "memory_rss": 5103616, "memory_stack": 139264, "memory_swap": 0, "memory_vms": 21659648, "nice_priority": 20, "num_fds": 4, "num_threads": 1, "pid": 29417, "read_bytes": 0, "read_count": 259, "realtime_priority": 0, "rlimit_cpu_time_hard": 2147483647, "rlimit_cpu_time_soft": 2147483647, "rlimit_file_locks_hard": 2147483647, "rlimit_file_locks_soft": 2147483647, "rlimit_memory_data_hard": 2147483647, "rlimit_memory_data_soft": 2147483647, "rlimit_memory_locked_hard": 65536, "rlimit_memory_locked_soft": 65536, "rlimit_memory_rss_hard": 2147483647, "rlimit_memory_rss_soft": 2147483647, "rlimit_memory_stack_hard": 2147483647, "rlimit_memory_stack_soft": 8388608, "rlimit_memory_vms_hard": 2147483647, "rlimit_memory_vms_soft": 2147483647, "rlimit_nice_priority_hard": 0, "rlimit_nice_priority_soft": 0, "rlimit_num_fds_hard": 4096, "rlimit_num_fds_soft": 1024, "rlimit_realtime_priority_hard": 0, "rlimit_realtime_priority_soft": 0, "rlimit_signals_pending_hard": 78994, "rlimit_signals_pending_soft": 78994, "signals_pending": 0, "voluntary_context_switches": 42, "write_bytes": 106496, "write_count": 35, }, time.Unix(0, 1517620624000000000), ), ), output: []byte("procstat,exe=bash,process_name=bash cpu_time=0i,cpu_time_guest=0,cpu_time_guest_nice=0,cpu_time_idle=0,cpu_time_iowait=0,cpu_time_irq=0,cpu_time_nice=0,cpu_time_soft_irq=0,cpu_time_steal=0,cpu_time_stolen=0,cpu_time_system=0,cpu_time_user=0.02,cpu_usage=0,involuntary_context_switches=2i,memory_data=1576960i,memory_locked=0i,memory_rss=5103616i,memory_stack=139264i,memory_swap=0i,memory_vms=21659648i,nice_priority=20i,num_fds=4i,num_threads=1i,pid=29417i,read_bytes=0i,read_count=259i,realtime_priority=0i,rlimit_cpu_time_hard=2147483647i,rlimit_cpu_time_soft=2147483647i,rlimit_file_locks_hard=2147483647i,rlimit_file_locks_soft=2147483647i,rlimit_memory_data_hard=2147483647i,rlimit_memory_data_soft=2147483647i,rlimit_memory_locked_hard=65536i,rlimit_memory_locked_soft=65536i,rlimit_memory_rss_hard=2147483647i,rlimit_memory_rss_soft=2147483647i,rlimit_memory_stack_hard=2147483647i,rlimit_memory_stack_soft=8388608i,rlimit_memory_vms_hard=2147483647i,rlimit_memory_vms_soft=2147483647i,rlimit_nice_priority_hard=0i,rlimit_nice_priority_soft=0i,rlimit_num_fds_hard=4096i,rlimit_num_fds_soft=1024i,rlimit_realtime_priority_hard=0i,rlimit_realtime_priority_soft=0i,rlimit_signals_pending_hard=78994i,rlimit_signals_pending_soft=78994i,signals_pending=0i,voluntary_context_switches=42i,write_bytes=106496i,write_count=35i 1517620624000000000\n"), }, } func TestSerializer(t *testing.T) { for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { serializer := NewSerializer() serializer.SetMaxLineBytes(tt.maxBytes) serializer.SetFieldSortOrder(SortFields) output, err := serializer.Serialize(tt.input) require.Equal(t, tt.err, err) require.Equal(t, string(tt.output), string(output)) }) } } func BenchmarkSerializer(b *testing.B) { for _, tt := range tests { b.Run(tt.name, func(b *testing.B) { serializer := NewSerializer() serializer.SetMaxLineBytes(tt.maxBytes) for n := 0; n < b.N; n++ { output, err := serializer.Serialize(tt.input) _ = err _ = output } }) } }