VictoriaMetrics/lib/logstorage/pipe_unpack_json_test.go
2024-05-25 00:31:55 +02:00

603 lines
15 KiB
Go

package logstorage
import (
"math/rand"
"slices"
"strings"
"sync"
"testing"
)
func TestParsePipeUnpackJSONSuccess(t *testing.T) {
f := func(pipeStr string) {
t.Helper()
expectParsePipeSuccess(t, pipeStr)
}
f(`unpack_json`)
f(`unpack_json skip_empty_results`)
f(`unpack_json keep_original_fields`)
f(`unpack_json fields (a)`)
f(`unpack_json fields (a, b, c)`)
f(`unpack_json fields (a, b, c) skip_empty_results`)
f(`unpack_json fields (a, b, c) keep_original_fields`)
f(`unpack_json if (a:x)`)
f(`unpack_json if (a:x) skip_empty_results`)
f(`unpack_json if (a:x) keep_original_fields`)
f(`unpack_json from x`)
f(`unpack_json from x skip_empty_results`)
f(`unpack_json from x keep_original_fields`)
f(`unpack_json from x fields (a, b)`)
f(`unpack_json if (a:x) from x fields (a, b)`)
f(`unpack_json if (a:x) from x fields (a, b) skip_empty_results`)
f(`unpack_json if (a:x) from x fields (a, b) keep_original_fields`)
f(`unpack_json from x result_prefix abc`)
f(`unpack_json if (a:x) from x fields (a, b) result_prefix abc`)
f(`unpack_json if (a:x) from x fields (a, b) result_prefix abc skip_empty_results`)
f(`unpack_json if (a:x) from x fields (a, b) result_prefix abc keep_original_fields`)
f(`unpack_json result_prefix abc`)
f(`unpack_json if (a:x) fields (a, b) result_prefix abc`)
f(`unpack_json if (a:x) fields (a, b) result_prefix abc skip_empty_results`)
f(`unpack_json if (a:x) fields (a, b) result_prefix abc keep_original_fields`)
}
func TestParsePipeUnpackJSONFailure(t *testing.T) {
f := func(pipeStr string) {
t.Helper()
expectParsePipeFailure(t, pipeStr)
}
f(`unpack_json foo`)
f(`unpack_json if`)
f(`unpack_json fields`)
f(`unpack_json fields x`)
f(`unpack_json if (x:y) foobar`)
f(`unpack_json from`)
f(`unpack_json from x y`)
f(`unpack_json from x if`)
f(`unpack_json from x result_prefix`)
f(`unpack_json from x result_prefix a b`)
f(`unpack_json from x result_prefix a if`)
f(`unpack_json result_prefix`)
f(`unpack_json result_prefix a b`)
f(`unpack_json result_prefix a if`)
}
func TestPipeUnpackJSON(t *testing.T) {
f := func(pipeStr string, rows, rowsExpected [][]Field) {
t.Helper()
expectPipeResults(t, pipeStr, rows, rowsExpected)
}
// skip empty results
f("unpack_json skip_empty_results", [][]Field{
{
{"_msg", `{"foo":"bar","z":"q","a":""}`},
{"foo", "x"},
{"a", "foobar"},
},
}, [][]Field{
{
{"_msg", `{"foo":"bar","z":"q","a":""}`},
{"foo", "bar"},
{"z", "q"},
{"a", "foobar"},
},
})
// no skip empty results
f("unpack_json", [][]Field{
{
{"_msg", `{"foo":"bar","z":"q","a":""}`},
{"foo", "x"},
{"a", "foobar"},
},
}, [][]Field{
{
{"_msg", `{"foo":"bar","z":"q","a":""}`},
{"foo", "bar"},
{"z", "q"},
{"a", ""},
},
})
// no keep original fields
f("unpack_json", [][]Field{
{
{"_msg", `{"foo":"bar","z":"q","a":"b"}`},
{"foo", "x"},
{"a", ""},
},
}, [][]Field{
{
{"_msg", `{"foo":"bar","z":"q","a":"b"}`},
{"foo", "bar"},
{"z", "q"},
{"a", "b"},
},
})
// keep original fields
f("unpack_json keep_original_fields", [][]Field{
{
{"_msg", `{"foo":"bar","z":"q","a":"b"}`},
{"foo", "x"},
{"a", ""},
},
}, [][]Field{
{
{"_msg", `{"foo":"bar","z":"q","a":"b"}`},
{"foo", "x"},
{"z", "q"},
{"a", "b"},
},
})
// unpack only the requested fields
f("unpack_json fields (foo, b)", [][]Field{
{
{"_msg", `{"foo":"bar","z":"q","a":"b"}`},
},
}, [][]Field{
{
{"_msg", `{"foo":"bar","z":"q","a":"b"}`},
{"foo", "bar"},
{"b", ""},
},
})
// single row, unpack from _msg
f("unpack_json", [][]Field{
{
{"_msg", `{"foo":"bar"}`},
},
}, [][]Field{
{
{"_msg", `{"foo":"bar"}`},
{"foo", "bar"},
},
})
// failed if condition
f("unpack_json if (x:foo)", [][]Field{
{
{"_msg", `{"foo":"bar"}`},
},
}, [][]Field{
{
{"_msg", `{"foo":"bar"}`},
{"x", ""},
},
})
// matched if condition
f("unpack_json if (foo)", [][]Field{
{
{"_msg", `{"foo":"bar"}`},
},
}, [][]Field{
{
{"_msg", `{"foo":"bar"}`},
{"foo", "bar"},
},
})
// single row, unpack from _msg into _msg
f("unpack_json", [][]Field{
{
{"_msg", `{"_msg":"bar"}`},
},
}, [][]Field{
{
{"_msg", "bar"},
},
})
// single row, unpack from missing field
f("unpack_json from x", [][]Field{
{
{"_msg", `{"foo":"bar"}`},
},
}, [][]Field{
{
{"_msg", `{"foo":"bar"}`},
},
})
// single row, unpack from non-json field
f("unpack_json from x", [][]Field{
{
{"x", `foobar`},
},
}, [][]Field{
{
{"x", `foobar`},
},
})
// single row, unpack from non-dict json
f("unpack_json from x", [][]Field{
{
{"x", `["foobar"]`},
},
}, [][]Field{
{
{"x", `["foobar"]`},
},
})
f("unpack_json from x", [][]Field{
{
{"x", `1234`},
},
}, [][]Field{
{
{"x", `1234`},
},
})
f("unpack_json from x", [][]Field{
{
{"x", `"xxx"`},
},
}, [][]Field{
{
{"x", `"xxx"`},
},
})
// single row, unpack from named field
f("unpack_json from x", [][]Field{
{
{"x", `{"foo":"bar","baz":"xyz","a":123,"b":["foo","bar"],"x":NaN,"y":{"z":{"a":"b"}}}`},
},
}, [][]Field{
{
{"x", `NaN`},
{"foo", "bar"},
{"baz", "xyz"},
{"a", "123"},
{"b", `["foo","bar"]`},
{"y.z.a", "b"},
},
})
// multiple rows with distinct number of fields
f("unpack_json from x", [][]Field{
{
{"x", `{"foo":"bar","baz":"xyz"}`},
{"y", `abc`},
},
{
{"y", `abc`},
},
{
{"z", `foobar`},
{"x", `{"z":["bar",123]}`},
},
}, [][]Field{
{
{"x", `{"foo":"bar","baz":"xyz"}`},
{"y", "abc"},
{"foo", "bar"},
{"baz", "xyz"},
},
{
{"y", `abc`},
},
{
{"z", `["bar",123]`},
{"x", `{"z":["bar",123]}`},
},
})
// multiple rows with distinct number of fields with result_prefix and if condition
f("unpack_json if (y:abc) from x result_prefix qwe_", [][]Field{
{
{"x", `{"foo":"bar","baz":"xyz"}`},
{"y", `abc`},
},
{
{"y", `abc`},
},
{
{"z", `foobar`},
{"x", `{"z":["bar",123]}`},
},
}, [][]Field{
{
{"x", `{"foo":"bar","baz":"xyz"}`},
{"y", "abc"},
{"qwe_foo", "bar"},
{"qwe_baz", "xyz"},
},
{
{"y", `abc`},
},
{
{"y", ""},
{"z", `foobar`},
{"x", `{"z":["bar",123]}`},
},
})
}
func expectPipeResults(t *testing.T, pipeStr string, rows, rowsExpected [][]Field) {
t.Helper()
lex := newLexer(pipeStr)
p, err := parsePipe(lex)
if err != nil {
t.Fatalf("unexpected error when parsing %q: %s", pipeStr, err)
}
workersCount := 5
stopCh := make(chan struct{})
cancel := func() {}
ppTest := newTestPipeProcessor()
pp := p.newPipeProcessor(workersCount, stopCh, cancel, ppTest)
brw := newTestBlockResultWriter(workersCount, pp)
for _, row := range rows {
brw.writeRow(row)
}
brw.flush()
pp.flush()
ppTest.expectRows(t, rowsExpected)
}
func newTestBlockResultWriter(workersCount int, ppBase pipeProcessor) *testBlockResultWriter {
return &testBlockResultWriter{
workersCount: workersCount,
ppBase: ppBase,
}
}
type testBlockResultWriter struct {
workersCount int
ppBase pipeProcessor
rcs []resultColumn
br blockResult
rowsCount int
}
func (brw *testBlockResultWriter) writeRow(row []Field) {
if !brw.areSameFields(row) {
brw.flush()
brw.rcs = brw.rcs[:0]
for _, field := range row {
brw.rcs = appendResultColumnWithName(brw.rcs, field.Name)
}
}
for i, field := range row {
brw.rcs[i].addValue(field.Value)
}
brw.rowsCount++
if rand.Intn(5) == 0 {
brw.flush()
}
}
func (brw *testBlockResultWriter) areSameFields(row []Field) bool {
if len(brw.rcs) != len(row) {
return false
}
for i, rc := range brw.rcs {
if rc.name != row[i].Name {
return false
}
}
return true
}
func (brw *testBlockResultWriter) flush() {
brw.br.setResultColumns(brw.rcs, brw.rowsCount)
brw.rowsCount = 0
workerID := rand.Intn(brw.workersCount)
brw.ppBase.writeBlock(uint(workerID), &brw.br)
brw.br.reset()
for i := range brw.rcs {
brw.rcs[i].resetValues()
}
}
func newTestPipeProcessor() *testPipeProcessor {
return &testPipeProcessor{}
}
type testPipeProcessor struct {
resultRowsLock sync.Mutex
resultRows [][]Field
}
func (pp *testPipeProcessor) writeBlock(_ uint, br *blockResult) {
cs := br.getColumns()
var columnValues [][]string
for _, c := range cs {
values := c.getValues(br)
columnValues = append(columnValues, values)
}
for i := range br.timestamps {
row := make([]Field, len(columnValues))
for j, values := range columnValues {
r := &row[j]
r.Name = strings.Clone(cs[j].name)
r.Value = strings.Clone(values[i])
}
pp.resultRowsLock.Lock()
pp.resultRows = append(pp.resultRows, row)
pp.resultRowsLock.Unlock()
}
}
func (pp *testPipeProcessor) flush() error {
return nil
}
func (pp *testPipeProcessor) expectRows(t *testing.T, expectedRows [][]Field) {
t.Helper()
if len(pp.resultRows) != len(expectedRows) {
t.Fatalf("unexpected number of rows; got %d; want %d\nrows got\n%s\nrows expected\n%s",
len(pp.resultRows), len(expectedRows), rowsToString(pp.resultRows), rowsToString(expectedRows))
}
sortTestRows(pp.resultRows)
sortTestRows(expectedRows)
for i, resultRow := range pp.resultRows {
expectedRow := expectedRows[i]
if len(resultRow) != len(expectedRow) {
t.Fatalf("unexpected number of fields at row #%d; got %d; want %d\nrow got\n%s\nrow expected\n%s",
i, len(resultRow), len(expectedRow), rowToString(resultRow), rowToString(expectedRow))
}
for j, resultField := range resultRow {
expectedField := expectedRow[j]
if resultField.Name != expectedField.Name {
t.Fatalf("unexpected field name at row #%d; got %q; want %q\nrow got\n%s\nrow expected\n%s",
i, resultField.Name, expectedField.Name, rowToString(resultRow), rowToString(expectedRow))
}
if resultField.Value != expectedField.Value {
t.Fatalf("unexpected value for field %q at row #%d; got %q; want %q\nrow got\n%s\nrow expected\n%s",
resultField.Name, i, resultField.Value, expectedField.Value, rowToString(resultRow), rowToString(expectedRow))
}
}
}
}
func sortTestRows(rows [][]Field) {
for _, row := range rows {
sortTestFields(row)
}
slices.SortFunc(rows, func(a, b []Field) int {
reverse := false
if len(a) > len(b) {
reverse = true
a, b = b, a
}
for i, fA := range a {
fB := b[i]
result := cmpTestFields(fA, fB)
if result == 0 {
continue
}
if reverse {
result = -result
}
return result
}
if len(a) == len(b) {
return 0
}
if reverse {
return 1
}
return -1
})
}
func sortTestFields(fields []Field) {
slices.SortFunc(fields, cmpTestFields)
}
func cmpTestFields(a, b Field) int {
if a.Name == b.Name {
if a.Value == b.Value {
return 0
}
if a.Value < b.Value {
return -1
}
return 1
}
if a.Name < b.Name {
return -1
}
return 1
}
func rowsToString(rows [][]Field) string {
a := make([]string, len(rows))
for i, row := range rows {
a[i] = rowToString(row)
}
return strings.Join(a, "\n")
}
func rowToString(row []Field) string {
a := make([]string, len(row))
for i, f := range row {
a[i] = f.String()
}
return "{" + strings.Join(a, ",") + "}"
}
func TestPipeUnpackJSONUpdateNeededFields(t *testing.T) {
f := func(s string, neededFields, unneededFields, neededFieldsExpected, unneededFieldsExpected string) {
t.Helper()
expectPipeNeededFields(t, s, neededFields, unneededFields, neededFieldsExpected, unneededFieldsExpected)
}
// all the needed fields
f("unpack_json from x", "*", "", "*", "")
f("unpack_json from x skip_empty_results", "*", "", "*", "")
f("unpack_json from x keep_original_fields", "*", "", "*", "")
f("unpack_json if (y:z) from x", "*", "", "*", "")
f("unpack_json if (y:z) from x fields (a, b)", "*", "", "*", "a,b")
f("unpack_json if (y:z) from x fields (a, b) skip_empty_results", "*", "", "*", "")
f("unpack_json if (y:z) from x fields (a, b) keep_original_fields", "*", "", "*", "")
// all the needed fields, unneeded fields do not intersect with src
f("unpack_json from x", "*", "f1,f2", "*", "f1,f2")
f("unpack_json from x skip_empty_results", "*", "f1,f2", "*", "f1,f2")
f("unpack_json from x keep_original_fields", "*", "f1,f2", "*", "f1,f2")
f("unpack_json if (y:z) from x", "*", "f1,f2", "*", "f1,f2")
f("unpack_json if (f1:z) from x", "*", "f1,f2", "*", "f2")
f("unpack_json if (y:z) from x fields (f3)", "*", "f1,f2", "*", "f1,f2,f3")
f("unpack_json if (y:z) from x fields (f1)", "*", "f1,f2", "*", "f1,f2")
f("unpack_json if (y:z) from x fields (f1) skip_empty_results", "*", "f1,f2", "*", "f1,f2")
f("unpack_json if (y:z) from x fields (f1) keep_original_fields", "*", "f1,f2", "*", "f1,f2")
// all the needed fields, unneeded fields intersect with src
f("unpack_json from x", "*", "f2,x", "*", "f2")
f("unpack_json from x skip_empty_results", "*", "f2,x", "*", "f2")
f("unpack_json from x keep_original_fields", "*", "f2,x", "*", "f2")
f("unpack_json if (y:z) from x", "*", "f2,x", "*", "f2")
f("unpack_json if (f2:z) from x", "*", "f1,f2,x", "*", "f1")
f("unpack_json if (f2:z) from x fields (f3)", "*", "f1,f2,x", "*", "f1,f3")
f("unpack_json if (f2:z) from x fields (f3) skip_empty_results", "*", "f1,f2,x", "*", "f1")
f("unpack_json if (f2:z) from x fields (f3) keep_original_fields", "*", "f1,f2,x", "*", "f1")
// needed fields do not intersect with src
f("unpack_json from x", "f1,f2", "", "f1,f2,x", "")
f("unpack_json from x skip_empty_results", "f1,f2", "", "f1,f2,x", "")
f("unpack_json from x keep_original_fields", "f1,f2", "", "f1,f2,x", "")
f("unpack_json if (y:z) from x", "f1,f2", "", "f1,f2,x,y", "")
f("unpack_json if (f1:z) from x", "f1,f2", "", "f1,f2,x", "")
f("unpack_json if (y:z) from x fields (f3)", "f1,f2", "", "f1,f2", "")
f("unpack_json if (y:z) from x fields (f3) skip_empty_results", "f1,f2", "", "f1,f2", "")
f("unpack_json if (y:z) from x fields (f3) keep_original_fields", "f1,f2", "", "f1,f2", "")
f("unpack_json if (y:z) from x fields (f2)", "f1,f2", "", "f1,x,y", "")
f("unpack_json if (f2:z) from x fields (f2)", "f1,f2", "", "f1,f2,x", "")
f("unpack_json if (f2:z) from x fields (f2) skip_empty_results", "f1,f2", "", "f1,f2,x", "")
f("unpack_json if (f2:z) from x fields (f2) keep_original_fields", "f1,f2", "", "f1,f2,x", "")
// needed fields intersect with src
f("unpack_json from x", "f2,x", "", "f2,x", "")
f("unpack_json from x skip_empty_results", "f2,x", "", "f2,x", "")
f("unpack_json from x keep_original_fields", "f2,x", "", "f2,x", "")
f("unpack_json if (y:z) from x", "f2,x", "", "f2,x,y", "")
f("unpack_json if (f2:z y:qwe) from x", "f2,x", "", "f2,x,y", "")
f("unpack_json if (y:z) from x fields (f1)", "f2,x", "", "f2,x", "")
f("unpack_json if (y:z) from x fields (f1) skip_empty_results", "f2,x", "", "f2,x", "")
f("unpack_json if (y:z) from x fields (f1) keep_original_fields", "f2,x", "", "f2,x", "")
f("unpack_json if (y:z) from x fields (f2)", "f2,x", "", "x,y", "")
f("unpack_json if (y:z) from x fields (f2) skip_empty_results", "f2,x", "", "f2,x,y", "")
f("unpack_json if (y:z) from x fields (f2) keep_original_fields", "f2,x", "", "f2,x,y", "")
f("unpack_json if (y:z) from x fields (x)", "f2,x", "", "f2,x,y", "")
f("unpack_json if (y:z) from x fields (x) skip_empty_results", "f2,x", "", "f2,x,y", "")
f("unpack_json if (y:z) from x fields (x) keep_original_fields", "f2,x", "", "f2,x,y", "")
}