VictoriaMetrics/app/vlinsert/loki/loki_json_test.go

120 lines
3.0 KiB
Go

package loki
import (
"testing"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
)
func TestParseJSONRequest_Failure(t *testing.T) {
f := func(s string) {
t.Helper()
tlp := &insertutils.TestLogMessageProcessor{}
n, err := parseJSONRequest([]byte(s), tlp)
if err == nil {
t.Fatalf("expecting non-nil error")
}
if n != 0 {
t.Fatalf("unexpected number of parsed lines: %d; want 0", n)
}
}
f(``)
// Invalid json
f(`{}`)
f(`[]`)
f(`"foo"`)
f(`123`)
// invalid type for `streams` item
f(`{"streams":123}`)
// Missing `values` item
f(`{"streams":[{}]}`)
// Invalid type for `values` item
f(`{"streams":[{"values":"foobar"}]}`)
// Invalid type for `stream` item
f(`{"streams":[{"stream":[],"values":[]}]}`)
// Invalid type for `values` individual item
f(`{"streams":[{"values":[123]}]}`)
// Invalid length of `values` individual item
f(`{"streams":[{"values":[[]]}]}`)
f(`{"streams":[{"values":[["123"]]}]}`)
f(`{"streams":[{"values":[["123","456","789"]]}]}`)
// Invalid type for timestamp inside `values` individual item
f(`{"streams":[{"values":[[123,"456"]}]}`)
// Invalid type for log message
f(`{"streams":[{"values":[["123",1234]]}]}`)
}
func TestParseJSONRequest_Success(t *testing.T) {
f := func(s string, timestampsExpected []int64, resultExpected string) {
t.Helper()
tlp := &insertutils.TestLogMessageProcessor{}
n, err := parseJSONRequest([]byte(s), tlp)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if err := tlp.Verify(n, timestampsExpected, resultExpected); err != nil {
t.Fatal(err)
}
}
// Empty streams
f(`{"streams":[]}`, nil, ``)
f(`{"streams":[{"values":[]}]}`, nil, ``)
f(`{"streams":[{"stream":{},"values":[]}]}`, nil, ``)
f(`{"streams":[{"stream":{"foo":"bar"},"values":[]}]}`, nil, ``)
// Empty stream labels
f(`{"streams":[{"values":[["1577836800000000001", "foo bar"]]}]}`, []int64{1577836800000000001}, `{"_msg":"foo bar"}`)
f(`{"streams":[{"stream":{},"values":[["1577836800000000001", "foo bar"]]}]}`, []int64{1577836800000000001}, `{"_msg":"foo bar"}`)
// Non-empty stream labels
f(`{"streams":[{"stream":{
"label1": "value1",
"label2": "value2"
},"values":[
["1577836800000000001", "foo bar"],
["1477836900005000002", "abc"],
["147.78369e9", "foobar"]
]}]}`, []int64{1577836800000000001, 1477836900005000002, 147783690000}, `{"label1":"value1","label2":"value2","_msg":"foo bar"}
{"label1":"value1","label2":"value2","_msg":"abc"}
{"label1":"value1","label2":"value2","_msg":"foobar"}`)
// Multiple streams
f(`{
"streams": [
{
"stream": {
"foo": "bar",
"a": "b"
},
"values": [
["1577836800000000001", "foo bar"],
["1577836900005000002", "abc"]
]
},
{
"stream": {
"x": "y"
},
"values": [
["1877836900005000002", "yx"]
]
}
]
}`, []int64{1577836800000000001, 1577836900005000002, 1877836900005000002}, `{"foo":"bar","a":"b","_msg":"foo bar"}
{"foo":"bar","a":"b","_msg":"abc"}
{"x":"y","_msg":"yx"}`)
}