/usr/share/gocode/src/github.com/influxdata/influxdb/tsdb/engine/tsm1/string_test.go is in golang-github-influxdb-influxdb-dev 1.1.1+dfsg1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | package tsm1
import (
"fmt"
"reflect"
"testing"
"testing/quick"
)
func Test_StringEncoder_NoValues(t *testing.T) {
enc := NewStringEncoder(1024)
b, err := enc.Bytes()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var dec StringDecoder
if err := dec.SetBytes(b); err != nil {
t.Fatalf("unexpected error creating string decoder: %v", err)
}
if dec.Next() {
t.Fatalf("unexpected next value: got true, exp false")
}
}
func Test_StringEncoder_Single(t *testing.T) {
enc := NewStringEncoder(1024)
v1 := "v1"
enc.Write(v1)
b, err := enc.Bytes()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var dec StringDecoder
if dec.SetBytes(b); err != nil {
t.Fatalf("unexpected error creating string decoder: %v", err)
}
if !dec.Next() {
t.Fatalf("unexpected next value: got false, exp true")
}
if v1 != dec.Read() {
t.Fatalf("unexpected value: got %v, exp %v", dec.Read(), v1)
}
}
func Test_StringEncoder_Multi_Compressed(t *testing.T) {
enc := NewStringEncoder(1024)
values := make([]string, 10)
for i := range values {
values[i] = fmt.Sprintf("value %d", i)
enc.Write(values[i])
}
b, err := enc.Bytes()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if b[0]>>4 != stringCompressedSnappy {
t.Fatalf("unexpected encoding: got %v, exp %v", b[0], stringCompressedSnappy)
}
if exp := 51; len(b) != exp {
t.Fatalf("unexpected length: got %v, exp %v", len(b), exp)
}
var dec StringDecoder
if err := dec.SetBytes(b); err != nil {
t.Fatalf("unexpected erorr creating string decoder: %v", err)
}
for i, v := range values {
if !dec.Next() {
t.Fatalf("unexpected next value: got false, exp true")
}
if v != dec.Read() {
t.Fatalf("unexpected value at pos %d: got %v, exp %v", i, dec.Read(), v)
}
}
if dec.Next() {
t.Fatalf("unexpected next value: got true, exp false")
}
}
func Test_StringEncoder_Quick(t *testing.T) {
quick.Check(func(values []string) bool {
expected := values
if values == nil {
expected = []string{}
}
// Write values to encoder.
enc := NewStringEncoder(1024)
for _, v := range values {
enc.Write(v)
}
// Retrieve encoded bytes from encoder.
buf, err := enc.Bytes()
if err != nil {
t.Fatal(err)
}
// Read values out of decoder.
got := make([]string, 0, len(values))
var dec StringDecoder
if err := dec.SetBytes(buf); err != nil {
t.Fatal(err)
}
for dec.Next() {
if err := dec.Error(); err != nil {
t.Fatal(err)
}
got = append(got, dec.Read())
}
// Verify that input and output values match.
if !reflect.DeepEqual(expected, got) {
t.Fatalf("mismatch:\n\nexp=%#v\n\ngot=%#v\n\n", expected, got)
}
return true
}, nil)
}
func Test_StringDecoder_Empty(t *testing.T) {
var dec StringDecoder
if err := dec.SetBytes([]byte{}); err != nil {
t.Fatal(err)
}
if dec.Next() {
t.Fatalf("exp Next() == false, got true")
}
}
func Test_StringDecoder_CorruptRead(t *testing.T) {
cases := []string{
"\x10\x03\b\x03Hi", // Higher length than actual data
"\x10\x1dp\x9c\x90\x90\x90\x90\x90\x90\x90\x90\x90length overflow----",
}
for _, c := range cases {
var dec StringDecoder
if err := dec.SetBytes([]byte(c)); err != nil {
t.Fatal(err)
}
if !dec.Next() {
t.Fatalf("exp Next() to return true, got false")
}
_ = dec.Read()
if dec.Error() == nil {
t.Fatalf("exp an err, got nil: %q", c)
}
}
}
func Test_StringDecoder_CorruptSetBytes(t *testing.T) {
cases := []string{
"0t\x00\x01\x000\x00\x01\x000\x00\x01\x000\x00\x01\x000\x00\x01" +
"\x000\x00\x01\x000\x00\x01\x000\x00\x00\x00\xff:\x01\x00\x01\x00\x01" +
"\x00\x01\x00\x01\x00\x01\x00\x010\x010\x000\x010\x010\x010\x01" +
"0\x010\x010\x010\x010\x010\x010\x010\x010\x010\x010", // Upper slice bounds overflows negative
}
for _, c := range cases {
var dec StringDecoder
if err := dec.SetBytes([]byte(c)); err == nil {
t.Fatalf("exp an err, got nil: %q", c)
}
}
}
|