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bleve/index/upsidedown/row_test.go

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// Copyright (c) 2014 Couchbase, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package upsidedown
import (
"math"
"reflect"
"testing"
"github.com/golang/protobuf/proto"
)
func TestRows(t *testing.T) {
tests := []struct {
input UpsideDownCouchRow
outKey []byte
outVal []byte
}{
{
NewVersionRow(1),
[]byte{'v'},
[]byte{0x1},
},
{
NewFieldRow(0, "name"),
[]byte{'f', 0, 0},
[]byte{'n', 'a', 'm', 'e', ByteSeparator},
},
{
NewFieldRow(1, "desc"),
[]byte{'f', 1, 0},
[]byte{'d', 'e', 's', 'c', ByteSeparator},
},
{
NewFieldRow(513, "style"),
[]byte{'f', 1, 2},
[]byte{'s', 't', 'y', 'l', 'e', ByteSeparator},
},
{
NewDictionaryRow([]byte{'b', 'e', 'e', 'r'}, 0, 27),
[]byte{'d', 0, 0, 'b', 'e', 'e', 'r'},
[]byte{27},
},
{
NewTermFrequencyRow([]byte{'b', 'e', 'e', 'r'}, 0, []byte("catz"), 3, 3.14),
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'c', 'a', 't', 'z'},
[]byte{3, 195, 235, 163, 130, 4},
},
{
NewTermFrequencyRow([]byte{'b', 'e', 'e', 'r'}, 0, []byte("budweiser"), 3, 3.14),
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{3, 195, 235, 163, 130, 4},
},
{
NewTermFrequencyRowWithTermVectors([]byte{'b', 'e', 'e', 'r'}, 0, []byte("budweiser"), 3, 3.14, []*TermVector{{field: 0, pos: 1, start: 3, end: 11}, {field: 0, pos: 2, start: 23, end: 31}, {field: 0, pos: 3, start: 43, end: 51}}),
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{3, 195, 235, 163, 130, 4, 0, 1, 3, 11, 0, 0, 2, 23, 31, 0, 0, 3, 43, 51, 0},
},
// test larger varints
{
NewTermFrequencyRowWithTermVectors([]byte{'b', 'e', 'e', 'r'}, 0, []byte("budweiser"), 25896, 3.14, []*TermVector{{field: 255, pos: 1, start: 3, end: 11}, {field: 0, pos: 2198, start: 23, end: 31}, {field: 0, pos: 3, start: 43, end: 51}}),
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{168, 202, 1, 195, 235, 163, 130, 4, 255, 1, 1, 3, 11, 0, 0, 150, 17, 23, 31, 0, 0, 3, 43, 51, 0},
},
// test vectors with arrayPositions
{
NewTermFrequencyRowWithTermVectors([]byte{'b', 'e', 'e', 'r'}, 0, []byte("budweiser"), 25896, 3.14, []*TermVector{{field: 255, pos: 1, start: 3, end: 11, arrayPositions: []uint64{0}}, {field: 0, pos: 2198, start: 23, end: 31, arrayPositions: []uint64{1, 2}}, {field: 0, pos: 3, start: 43, end: 51, arrayPositions: []uint64{3, 4, 5}}}),
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{168, 202, 1, 195, 235, 163, 130, 4, 255, 1, 1, 3, 11, 1, 0, 0, 150, 17, 23, 31, 2, 1, 2, 0, 3, 43, 51, 3, 3, 4, 5},
},
{
NewBackIndexRow([]byte("budweiser"), []*BackIndexTermsEntry{{Field: proto.Uint32(0), Terms: []string{"beer"}}}, nil),
[]byte{'b', 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{10, 8, 8, 0, 18, 4, 'b', 'e', 'e', 'r'},
},
{
NewBackIndexRow([]byte("budweiser"), []*BackIndexTermsEntry{{Field: proto.Uint32(0), Terms: []string{"beer"}}, {Field: proto.Uint32(1), Terms: []string{"beat"}}}, nil),
[]byte{'b', 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{10, 8, 8, 0, 18, 4, 'b', 'e', 'e', 'r', 10, 8, 8, 1, 18, 4, 'b', 'e', 'a', 't'},
},
{
NewBackIndexRow([]byte("budweiser"), []*BackIndexTermsEntry{{Field: proto.Uint32(0), Terms: []string{"beer"}}, {Field: proto.Uint32(1), Terms: []string{"beat"}}}, []*BackIndexStoreEntry{{Field: proto.Uint32(3)}, {Field: proto.Uint32(4)}, {Field: proto.Uint32(5)}}),
[]byte{'b', 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{10, 8, 8, 0, 18, 4, 'b', 'e', 'e', 'r', 10, 8, 8, 1, 18, 4, 'b', 'e', 'a', 't', 18, 2, 8, 3, 18, 2, 8, 4, 18, 2, 8, 5},
},
{
NewStoredRow([]byte("budweiser"), 0, []uint64{}, byte('t'), []byte("an american beer")),
[]byte{'s', 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r', ByteSeparator, 0, 0},
[]byte{'t', 'a', 'n', ' ', 'a', 'm', 'e', 'r', 'i', 'c', 'a', 'n', ' ', 'b', 'e', 'e', 'r'},
},
{
NewStoredRow([]byte("budweiser"), 0, []uint64{2, 294, 3078}, byte('t'), []byte("an american beer")),
[]byte{'s', 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r', ByteSeparator, 0, 0, 2, 166, 2, 134, 24},
[]byte{'t', 'a', 'n', ' ', 'a', 'm', 'e', 'r', 'i', 'c', 'a', 'n', ' ', 'b', 'e', 'e', 'r'},
},
{
NewInternalRow([]byte("mapping"), []byte(`{"mapping":"json content"}`)),
[]byte{'i', 'm', 'a', 'p', 'p', 'i', 'n', 'g'},
[]byte{'{', '"', 'm', 'a', 'p', 'p', 'i', 'n', 'g', '"', ':', '"', 'j', 's', 'o', 'n', ' ', 'c', 'o', 'n', 't', 'e', 'n', 't', '"', '}'},
},
}
// test going from struct to k/v bytes
for i, test := range tests {
rk := test.input.Key()
if !reflect.DeepEqual(rk, test.outKey) {
t.Errorf("Expected key to be %v got: %v", test.outKey, rk)
}
rv := test.input.Value()
if !reflect.DeepEqual(rv, test.outVal) {
t.Errorf("Expected value to be %v got: %v for %d", test.outVal, rv, i)
}
}
// now test going back from k/v bytes to struct
for i, test := range tests {
row, err := ParseFromKeyValue(test.outKey, test.outVal)
if err != nil {
t.Errorf("error parsking key/value: %v", err)
}
if !reflect.DeepEqual(row, test.input) {
t.Errorf("Expected: %#v got: %#v for %d", test.input, row, i)
}
}
}
func TestInvalidRows(t *testing.T) {
tests := []struct {
key []byte
val []byte
}{
// empty key
{
[]byte{},
[]byte{},
},
// no such type q
{
[]byte{'q'},
[]byte{},
},
// type v, invalid empty value
{
[]byte{'v'},
[]byte{},
},
// type f, invalid key
{
[]byte{'f'},
[]byte{},
},
// type f, valid key, invalid value
{
[]byte{'f', 0, 0},
[]byte{},
},
// type t, invalid key (missing field)
{
[]byte{'t'},
[]byte{},
},
// type t, invalid key (missing term)
{
[]byte{'t', 0, 0},
[]byte{},
},
// type t, invalid key (missing id)
{
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator},
[]byte{},
},
// type t, invalid val (missing freq)
{
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{},
},
// type t, invalid val (missing norm)
{
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{3},
},
// type t, invalid val (half missing tv field, full missing is valid (no term vectors))
{
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{3, 25, 255},
},
// type t, invalid val (missing tv pos)
{
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{3, 25, 0},
},
// type t, invalid val (missing tv start)
{
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{3, 25, 0, 0},
},
// type t, invalid val (missing tv end)
{
[]byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{3, 25, 0, 0, 0},
},
// type b, invalid key (missing id)
{
[]byte{'b'},
[]byte{'b', 'e', 'e', 'r', ByteSeparator, 0, 0},
},
// type b, invalid val (missing field)
{
[]byte{'b', 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'},
[]byte{'g', 'a', 'r', 'b', 'a', 'g', 'e'},
},
// type s, invalid key (missing id)
{
[]byte{'s'},
[]byte{'t', 'a', 'n', ' ', 'a', 'm', 'e', 'r', 'i', 'c', 'a', 'n', ' ', 'b', 'e', 'e', 'r'},
},
// type b, invalid val (missing field)
{
[]byte{'s', 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r', ByteSeparator},
[]byte{'t', 'a', 'n', ' ', 'a', 'm', 'e', 'r', 'i', 'c', 'a', 'n', ' ', 'b', 'e', 'e', 'r'},
},
}
for _, test := range tests {
_, err := ParseFromKeyValue(test.key, test.val)
if err == nil {
t.Errorf("expected error, got nil")
}
}
}
func TestDictionaryRowValueBug197(t *testing.T) {
// this was the smallest value that would trigger a crash
dr := &DictionaryRow{
field: 0,
term: []byte("marty"),
count: 72057594037927936,
}
dr.Value()
// this is the maximum possible value
dr = &DictionaryRow{
field: 0,
term: []byte("marty"),
count: math.MaxUint64,
}
dr.Value()
// neither of these should panic
}
func BenchmarkTermFrequencyRowEncode(b *testing.B) {
row := NewTermFrequencyRowWithTermVectors(
[]byte{'b', 'e', 'e', 'r'},
0,
[]byte("budweiser"),
3,
3.14,
[]*TermVector{
{
field: 0,
pos: 1,
start: 3,
end: 11,
},
{
field: 0,
pos: 2,
start: 23,
end: 31,
},
{
field: 0,
pos: 3,
start: 43,
end: 51,
},
})
b.ResetTimer()
for i := 0; i < b.N; i++ {
row.Key()
row.Value()
}
}
func BenchmarkTermFrequencyRowDecode(b *testing.B) {
k := []byte{'t', 0, 0, 'b', 'e', 'e', 'r', ByteSeparator, 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r'}
v := []byte{3, 195, 235, 163, 130, 4, 0, 1, 3, 11, 0, 0, 2, 23, 31, 0, 0, 3, 43, 51, 0}
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, err := NewTermFrequencyRowKV(k, v)
if err != nil {
b.Fatal(err)
}
}
}
func BenchmarkBackIndexRowEncode(b *testing.B) {
field := uint32(1)
t1 := "term1"
row := NewBackIndexRow([]byte("beername"),
[]*BackIndexTermsEntry{
{
Field: &field,
Terms: []string{t1},
},
},
[]*BackIndexStoreEntry{
{
Field: &field,
},
})
b.ResetTimer()
for i := 0; i < b.N; i++ {
row.Key()
row.Value()
b.Logf("%#v", row.Value())
}
}
func BenchmarkBackIndexRowDecode(b *testing.B) {
k := []byte{0x62, 0x62, 0x65, 0x65, 0x72, 0x6e, 0x61, 0x6d, 0x65}
v := []byte{0xa, 0x9, 0x8, 0x1, 0x12, 0x5, 0x74, 0x65, 0x72, 0x6d, 0x31, 0x12, 0x2, 0x8, 0x1}
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, err := NewBackIndexRowKV(k, v)
if err != nil {
b.Fatal(err)
}
}
}
func BenchmarkStoredRowEncode(b *testing.B) {
row := NewStoredRow([]byte("budweiser"), 0, []uint64{}, byte('t'), []byte("an american beer"))
b.ResetTimer()
for i := 0; i < b.N; i++ {
row.Key()
row.Value()
}
}
func BenchmarkStoredRowDecode(b *testing.B) {
k := []byte{'s', 'b', 'u', 'd', 'w', 'e', 'i', 's', 'e', 'r', ByteSeparator, 0, 0}
v := []byte{'t', 'a', 'n', ' ', 'a', 'm', 'e', 'r', 'i', 'c', 'a', 'n', ' ', 'b', 'e', 'e', 'r'}
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, err := NewStoredRowKV(k, v)
if err != nil {
b.Fatal(err)
}
}
}
func TestVisitBackIndexRow(t *testing.T) {
expected := map[uint32][]byte{
0: []byte("beer"),
1: []byte("beat"),
}
val := []byte{10, 8, 8, 0, 18, 4, 'b', 'e', 'e', 'r', 10, 8, 8, 1, 18, 4, 'b', 'e', 'a', 't', 18, 2, 8, 3, 18, 2, 8, 4, 18, 2, 8, 5}
err := visitBackIndexRow(val, func(field uint32, term []byte) {
if reflect.DeepEqual(expected[field], term) {
delete(expected, field)
}
})
if err != nil {
t.Fatal(err)
}
if len(expected) > 0 {
t.Errorf("expected visitor to see these but did not %v", expected)
}
}