func TestFilterMatchMultipleWildcards(t *testing.T) {
p, err := graphite.NewParser([]string{
"*.* .wrong.measurement*",
"servers.* .host.measurement*", // should match this
"servers.localhost .wrong.measurement*",
"*.localhost .wrong.measurement*",
}, nil)
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
exp := tsdb.NewPoint("cpu_load",
tsdb.Tags{"host": "server01"},
tsdb.Fields{"value": float64(11)},
time.Unix(1435077219, 0))
pt, err := p.Parse("servers.server01.cpu_load 11 1435077219")
if err != nil {
t.Fatalf("parse error: %v", err)
}
if exp.String() != pt.String() {
t.Errorf("parse mismatch: got %v, exp %v", pt.String(), exp.String())
}
}
func TestParseNoMatch(t *testing.T) {
p, err := graphite.NewParser([]string{"servers.*.cpu .host.measurement.cpu.measurement"}, nil)
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
exp := tsdb.NewPoint("servers.localhost.memory.VmallocChunk",
tsdb.Tags{},
tsdb.Fields{"value": float64(11)},
time.Unix(1435077219, 0))
pt, err := p.Parse("servers.localhost.memory.VmallocChunk 11 1435077219")
if err != nil {
t.Fatalf("parse error: %v", err)
}
if exp.String() != pt.String() {
t.Errorf("parse mismatch: got %v, exp %v", pt.String(), exp.String())
}
}
func TestFilterMatchSingle(t *testing.T) {
p, err := graphite.NewParser([]string{"servers.localhost .host.measurement*"}, nil)
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
exp := tsdb.NewPoint("cpu_load",
tsdb.Tags{"host": "localhost"},
tsdb.Fields{"value": float64(11)},
time.Unix(1435077219, 0))
pt, err := p.Parse("servers.localhost.cpu_load 11 1435077219")
if err != nil {
t.Fatalf("parse error: %v", err)
}
if exp.String() != pt.String() {
t.Errorf("parse mismatch: got %v, exp %v", pt.String(), exp.String())
}
}
func BenchmarkParse(b *testing.B) {
p, err := graphite.NewParser([]string{
"*.* .wrong.measurement*",
"servers.* .host.measurement*",
"servers.localhost .host.measurement*",
"*.localhost .host.measurement*",
"*.*.cpu .host.measurement*",
"a.b.c .host.measurement*",
"influxd.*.foo .host.measurement*",
"prod.*.mem .host.measurement*",
}, nil)
if err != nil {
b.Fatalf("unexpected error creating parser, got %v", err)
}
for i := 0; i < b.N; i++ {
p.Parse("servers.localhost.cpu.load 11 1435077219")
}
}
func TestParseTemplateWhitespace(t *testing.T) {
p, err := graphite.NewParser([]string{"servers.localhost .host.measurement* zone=1c"}, tsdb.Tags{
"region": "us-east",
"host": "should not set",
})
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
exp := tsdb.NewPoint("cpu_load",
tsdb.Tags{"host": "localhost", "region": "us-east", "zone": "1c"},
tsdb.Fields{"value": float64(11)},
time.Unix(1435077219, 0))
pt, err := p.Parse("servers.localhost.cpu_load 11 1435077219")
if err != nil {
t.Fatalf("parse error: %v", err)
}
if exp.String() != pt.String() {
t.Errorf("parse mismatch: got %v, exp %v", pt.String(), exp.String())
}
}
func TestParseNaN(t *testing.T) {
p, err := graphite.NewParser([]string{"measurement*"}, nil)
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
pt, err := p.Parse("servers.localhost.cpu_load NaN 1435077219")
if err != nil {
t.Fatalf("parse error: %v", err)
}
exp := tsdb.NewPoint("servers.localhost.cpu_load",
tsdb.Tags{},
tsdb.Fields{"value": math.NaN()},
time.Unix(1435077219, 0))
if exp.String() != pt.String() {
t.Errorf("parse mismatch: got %v, exp %v", pt.String(), exp.String())
}
if !math.IsNaN(pt.Fields()["value"].(float64)) {
t.Errorf("parse value mismatch: expected NaN")
}
}
func TestParse(t *testing.T) {
testTime := time.Now().Round(time.Second)
epochTime := testTime.Unix()
strTime := strconv.FormatInt(epochTime, 10)
var tests = []struct {
test string
input string
measurement string
tags map[string]string
value float64
time time.Time
template string
err string
}{
{
test: "normal case",
input: `cpu.foo.bar 50 ` + strTime,
template: "measurement.foo.bar",
measurement: "cpu",
tags: map[string]string{
"foo": "foo",
"bar": "bar",
},
value: 50,
time: testTime,
},
{
test: "metric only with float value",
input: `cpu 50.554 ` + strTime,
measurement: "cpu",
template: "measurement",
value: 50.554,
time: testTime,
},
{
test: "missing metric",
input: `1419972457825`,
template: "measurement",
err: `received "1419972457825" which doesn't have required fields`,
},
{
test: "should error parsing invalid float",
input: `cpu 50.554z 1419972457825`,
template: "measurement",
err: `field "cpu" value: strconv.ParseFloat: parsing "50.554z": invalid syntax`,
},
{
test: "should error parsing invalid int",
input: `cpu 50z 1419972457825`,
template: "measurement",
err: `field "cpu" value: strconv.ParseFloat: parsing "50z": invalid syntax`,
},
{
test: "should error parsing invalid time",
input: `cpu 50.554 14199724z57825`,
template: "measurement",
err: `field "cpu" time: strconv.ParseFloat: parsing "14199724z57825": invalid syntax`,
},
}
for _, test := range tests {
p, err := graphite.NewParser([]string{test.template}, nil)
if err != nil {
t.Fatalf("unexpected error creating graphite parser: %v", err)
}
point, err := p.Parse(test.input)
if errstr(err) != test.err {
t.Fatalf("err does not match. expected %v, got %v", test.err, err)
}
if err != nil {
// If we erred out,it was intended and the following tests won't work
continue
}
if point.Name() != test.measurement {
t.Fatalf("name parse failer. expected %v, got %v", test.measurement, point.Name())
}
if len(point.Tags()) != len(test.tags) {
t.Fatalf("tags len mismatch. expected %d, got %d", len(test.tags), len(point.Tags()))
}
f := point.Fields()["value"].(float64)
if point.Fields()["value"] != f {
t.Fatalf("floatValue value mismatch. expected %v, got %v", test.value, f)
}
if point.Time().UnixNano()/1000000 != test.time.UnixNano()/1000000 {
t.Fatalf("time value mismatch. expected %v, got %v", test.time.UnixNano(), point.Time().UnixNano())
}
}
}
func TestParseMissingMeasurement(t *testing.T) {
_, err := graphite.NewParser([]string{"a.b.c"}, nil)
if err == nil {
t.Fatalf("expected error creating parser, got nil")
}
}