mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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130 lines
3.3 KiB
Go
130 lines
3.3 KiB
Go
package loki
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
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)
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func TestParseJSONRequestFailure(t *testing.T) {
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f := func(s string) {
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t.Helper()
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n, err := parseJSONRequest([]byte(s), func(_ int64, _ []logstorage.Field) {
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t.Fatalf("unexpected call to parseJSONRequest callback!")
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})
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if err == nil {
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t.Fatalf("expecting non-nil error")
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}
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if n != 0 {
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t.Fatalf("unexpected number of parsed lines: %d; want 0", n)
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}
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}
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f(``)
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// Invalid json
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f(`{}`)
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f(`[]`)
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f(`"foo"`)
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f(`123`)
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// invalid type for `streams` item
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f(`{"streams":123}`)
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// Missing `values` item
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f(`{"streams":[{}]}`)
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// Invalid type for `values` item
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f(`{"streams":[{"values":"foobar"}]}`)
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// Invalid type for `stream` item
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f(`{"streams":[{"stream":[],"values":[]}]}`)
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// Invalid type for `values` individual item
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f(`{"streams":[{"values":[123]}]}`)
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// Invalid length of `values` individual item
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f(`{"streams":[{"values":[[]]}]}`)
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f(`{"streams":[{"values":[["123"]]}]}`)
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f(`{"streams":[{"values":[["123","456","789"]]}]}`)
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// Invalid type for timestamp inside `values` individual item
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f(`{"streams":[{"values":[[123,"456"]}]}`)
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// Invalid type for log message
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f(`{"streams":[{"values":[["123",1234]]}]}`)
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}
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func TestParseJSONRequestSuccess(t *testing.T) {
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f := func(s string, resultExpected string) {
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t.Helper()
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var lines []string
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n, err := parseJSONRequest([]byte(s), func(timestamp int64, fields []logstorage.Field) {
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var a []string
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for _, f := range fields {
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a = append(a, f.String())
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}
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line := fmt.Sprintf("_time:%d %s", timestamp, strings.Join(a, " "))
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lines = append(lines, line)
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})
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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if n != len(lines) {
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t.Fatalf("unexpected number of lines parsed; got %d; want %d", n, len(lines))
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}
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result := strings.Join(lines, "\n")
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if result != resultExpected {
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t.Fatalf("unexpected result;\ngot\n%s\nwant\n%s", result, resultExpected)
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}
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}
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// Empty streams
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f(`{"streams":[]}`, ``)
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f(`{"streams":[{"values":[]}]}`, ``)
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f(`{"streams":[{"stream":{},"values":[]}]}`, ``)
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f(`{"streams":[{"stream":{"foo":"bar"},"values":[]}]}`, ``)
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// Empty stream labels
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f(`{"streams":[{"values":[["1577836800000000001", "foo bar"]]}]}`, `_time:1577836800000000001 "_msg":"foo bar"`)
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f(`{"streams":[{"stream":{},"values":[["1577836800000000001", "foo bar"]]}]}`, `_time:1577836800000000001 "_msg":"foo bar"`)
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// Non-empty stream labels
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f(`{"streams":[{"stream":{
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"label1": "value1",
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"label2": "value2"
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},"values":[
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["1577836800000000001", "foo bar"],
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["1477836900005000002", "abc"],
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["147.78369e9", "foobar"]
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]}]}`, `_time:1577836800000000001 "label1":"value1" "label2":"value2" "_msg":"foo bar"
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_time:1477836900005000002 "label1":"value1" "label2":"value2" "_msg":"abc"
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_time:147783690000 "label1":"value1" "label2":"value2" "_msg":"foobar"`)
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// Multiple streams
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f(`{
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"streams": [
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{
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"stream": {
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"foo": "bar",
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"a": "b"
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},
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"values": [
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["1577836800000000001", "foo bar"],
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["1577836900005000002", "abc"]
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]
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},
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{
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"stream": {
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"x": "y"
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},
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"values": [
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["1877836900005000002", "yx"]
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]
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}
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]
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}`, `_time:1577836800000000001 "foo":"bar" "a":"b" "_msg":"foo bar"
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_time:1577836900005000002 "foo":"bar" "a":"b" "_msg":"abc"
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_time:1877836900005000002 "x":"y" "_msg":"yx"`)
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}
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