open-consul/consul/mdb_table_test.go

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package consul
import (
"bytes"
"github.com/armon/gomdb"
"github.com/ugorji/go/codec"
"io/ioutil"
"os"
"reflect"
"testing"
)
type MockData struct {
Key string
First string
Last string
Country string
}
func MockEncoder(obj interface{}) []byte {
buf := bytes.NewBuffer(nil)
handle := codec.MsgpackHandle{}
encoder := codec.NewEncoder(buf, &handle)
err := encoder.Encode(obj)
if err != nil {
panic(err)
}
return buf.Bytes()
}
func MockDecoder(buf []byte) interface{} {
out := new(MockData)
var handle codec.MsgpackHandle
err := codec.NewDecoder(bytes.NewReader(buf), &handle).Decode(out)
if err != nil {
panic(err)
}
return out
}
func testMDBEnv(t *testing.T) (string, *mdb.Env) {
// Create a new temp dir
path, err := ioutil.TempDir("", "consul")
if err != nil {
t.Fatalf("err: %v", err)
}
// Open the env
env, err := mdb.NewEnv()
if err != nil {
t.Fatalf("err: %v", err)
}
// Setup the Env first
if err := env.SetMaxDBs(mdb.DBI(32)); err != nil {
t.Fatalf("err: %v", err)
}
// Increase the maximum map size
if err := env.SetMapSize(dbMaxMapSize); err != nil {
t.Fatalf("err: %v", err)
}
// Open the DB
var flags uint = mdb.NOMETASYNC | mdb.NOSYNC | mdb.NOTLS
if err := env.Open(path, flags, 0755); err != nil {
t.Fatalf("err: %v", err)
}
return path, env
}
func TestMDBTableInsert(t *testing.T) {
dir, env := testMDBEnv(t)
defer os.RemoveAll(dir)
defer env.Close()
table := &MDBTable{
Env: env,
Name: "test",
Indexes: map[string]*MDBIndex{
"id": &MDBIndex{
Unique: true,
Fields: []string{"Key"},
},
"name": &MDBIndex{
Fields: []string{"First", "Last"},
},
"country": &MDBIndex{
Fields: []string{"Country"},
},
},
Encoder: MockEncoder,
Decoder: MockDecoder,
}
if err := table.Init(); err != nil {
t.Fatalf("err: %v", err)
}
objs := []*MockData{
&MockData{
Key: "1",
First: "Kevin",
Last: "Smith",
Country: "USA",
},
&MockData{
Key: "2",
First: "Kevin",
Last: "Wang",
Country: "USA",
},
&MockData{
Key: "3",
First: "Bernardo",
Last: "Torres",
Country: "Mexico",
},
}
// Insert some mock objects
for idx, obj := range objs {
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if err := table.Insert(obj); err != nil {
t.Fatalf("err: %v", err)
}
if err := table.SetLastIndex(uint64(idx + 1)); err != nil {
t.Fatalf("err: %v", err)
}
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}
// Verify with some gets
idx, res, err := table.Get("id", "1")
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if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 1 {
t.Fatalf("expect 1 result: %#v", res)
}
if !reflect.DeepEqual(res[0], objs[0]) {
t.Fatalf("bad: %#v", res[0])
}
if idx != 3 {
t.Fatalf("bad index: %d", idx)
}
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idx, res, err = table.Get("name", "Kevin")
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if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 2 {
t.Fatalf("expect 2 result: %#v", res)
}
if !reflect.DeepEqual(res[0], objs[0]) {
t.Fatalf("bad: %#v", res[0])
}
if !reflect.DeepEqual(res[1], objs[1]) {
t.Fatalf("bad: %#v", res[1])
}
if idx != 3 {
t.Fatalf("bad index: %d", idx)
}
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idx, res, err = table.Get("country", "Mexico")
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if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 1 {
t.Fatalf("expect 1 result: %#v", res)
}
if !reflect.DeepEqual(res[0], objs[2]) {
t.Fatalf("bad: %#v", res[2])
}
if idx != 3 {
t.Fatalf("bad index: %d", idx)
}
idx, res, err = table.Get("id")
if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 3 {
t.Fatalf("expect 2 result: %#v", res)
}
if !reflect.DeepEqual(res[0], objs[0]) {
t.Fatalf("bad: %#v", res[0])
}
if !reflect.DeepEqual(res[1], objs[1]) {
t.Fatalf("bad: %#v", res[1])
}
if !reflect.DeepEqual(res[2], objs[2]) {
t.Fatalf("bad: %#v", res[2])
}
if idx != 3 {
t.Fatalf("bad index: %d", idx)
}
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}
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func TestMDBTableInsert_MissingFields(t *testing.T) {
dir, env := testMDBEnv(t)
defer os.RemoveAll(dir)
defer env.Close()
table := &MDBTable{
Env: env,
Name: "test",
Indexes: map[string]*MDBIndex{
"id": &MDBIndex{
Unique: true,
Fields: []string{"Key"},
},
"name": &MDBIndex{
Fields: []string{"First", "Last"},
},
"country": &MDBIndex{
Fields: []string{"Country"},
},
},
Encoder: MockEncoder,
Decoder: MockDecoder,
}
if err := table.Init(); err != nil {
t.Fatalf("err: %v", err)
}
objs := []*MockData{
&MockData{
First: "Kevin",
Last: "Smith",
Country: "USA",
},
&MockData{
Key: "2",
Last: "Wang",
Country: "USA",
},
&MockData{
Key: "2",
First: "Kevin",
Country: "USA",
},
&MockData{
Key: "3",
First: "Bernardo",
Last: "Torres",
},
}
// Insert some mock objects
for _, obj := range objs {
if err := table.Insert(obj); err == nil {
t.Fatalf("expected err")
}
}
}
func TestMDBTableInsert_AllowBlank(t *testing.T) {
dir, env := testMDBEnv(t)
defer os.RemoveAll(dir)
defer env.Close()
table := &MDBTable{
Env: env,
Name: "test",
Indexes: map[string]*MDBIndex{
"id": &MDBIndex{
Unique: true,
Fields: []string{"Key"},
},
"name": &MDBIndex{
Fields: []string{"First", "Last"},
},
"country": &MDBIndex{
Fields: []string{"Country"},
AllowBlank: true,
},
},
Encoder: MockEncoder,
Decoder: MockDecoder,
}
if err := table.Init(); err != nil {
t.Fatalf("err: %v", err)
}
objs := []*MockData{
&MockData{
Key: "1",
First: "Kevin",
Last: "Smith",
Country: "",
},
}
// Insert some mock objects
for _, obj := range objs {
if err := table.Insert(obj); err != nil {
t.Fatalf("err: %v", err)
}
}
}
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func TestMDBTableDelete(t *testing.T) {
dir, env := testMDBEnv(t)
defer os.RemoveAll(dir)
defer env.Close()
table := &MDBTable{
Env: env,
Name: "test",
Indexes: map[string]*MDBIndex{
"id": &MDBIndex{
Unique: true,
Fields: []string{"Key"},
},
"name": &MDBIndex{
Fields: []string{"First", "Last"},
},
"country": &MDBIndex{
Fields: []string{"Country"},
},
},
Encoder: MockEncoder,
Decoder: MockDecoder,
}
if err := table.Init(); err != nil {
t.Fatalf("err: %v", err)
}
objs := []*MockData{
&MockData{
Key: "1",
First: "Kevin",
Last: "Smith",
Country: "USA",
},
&MockData{
Key: "2",
First: "Kevin",
Last: "Wang",
Country: "USA",
},
&MockData{
Key: "3",
First: "Bernardo",
Last: "Torres",
Country: "Mexico",
},
}
// Insert some mock objects
for _, obj := range objs {
if err := table.Insert(obj); err != nil {
t.Fatalf("err: %v", err)
}
}
_, _, err := table.Get("id", "3")
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if err != nil {
t.Fatalf("err: %v", err)
}
// Verify with some gets
num, err := table.Delete("id", "3")
if err != nil {
t.Fatalf("err: %v", err)
}
if num != 1 {
t.Fatalf("expect 1 delete: %#v", num)
}
_, res, err := table.Get("id", "3")
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if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 0 {
t.Fatalf("expect 0 result: %#v", res)
}
num, err = table.Delete("name", "Kevin")
if err != nil {
t.Fatalf("err: %v", err)
}
if num != 2 {
t.Fatalf("expect 2 deletes: %#v", num)
}
_, res, err = table.Get("name", "Kevin")
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if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 0 {
t.Fatalf("expect 0 results: %#v", res)
}
}
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func TestMDBTableUpdate(t *testing.T) {
dir, env := testMDBEnv(t)
defer os.RemoveAll(dir)
defer env.Close()
table := &MDBTable{
Env: env,
Name: "test",
Indexes: map[string]*MDBIndex{
"id": &MDBIndex{
Unique: true,
Fields: []string{"Key"},
},
"name": &MDBIndex{
Fields: []string{"First", "Last"},
},
"country": &MDBIndex{
Fields: []string{"Country"},
},
},
Encoder: MockEncoder,
Decoder: MockDecoder,
}
if err := table.Init(); err != nil {
t.Fatalf("err: %v", err)
}
objs := []*MockData{
&MockData{
Key: "1",
First: "Kevin",
Last: "Smith",
Country: "USA",
},
&MockData{
Key: "2",
First: "Kevin",
Last: "Wang",
Country: "USA",
},
&MockData{
Key: "3",
First: "Bernardo",
Last: "Torres",
Country: "Mexico",
},
&MockData{
Key: "1",
First: "Roger",
Last: "Rodrigez",
Country: "Mexico",
},
&MockData{
Key: "2",
First: "Anna",
Last: "Smith",
Country: "UK",
},
&MockData{
Key: "3",
First: "Ahmad",
Last: "Badari",
Country: "Iran",
},
}
// Insert and update some mock objects
for _, obj := range objs {
if err := table.Insert(obj); err != nil {
t.Fatalf("err: %v", err)
}
}
// Verify with some gets
_, res, err := table.Get("id", "1")
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if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 1 {
t.Fatalf("expect 1 result: %#v", res)
}
if !reflect.DeepEqual(res[0], objs[3]) {
t.Fatalf("bad: %#v", res[0])
}
_, res, err = table.Get("name", "Kevin")
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if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 0 {
t.Fatalf("expect 0 result: %#v", res)
}
_, res, err = table.Get("name", "Ahmad")
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if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 1 {
t.Fatalf("expect 1 result: %#v", res)
}
if !reflect.DeepEqual(res[0], objs[5]) {
t.Fatalf("bad: %#v", res[0])
}
_, res, err = table.Get("country", "Mexico")
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if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 1 {
t.Fatalf("expect 1 result: %#v", res)
}
if !reflect.DeepEqual(res[0], objs[3]) {
t.Fatalf("bad: %#v", res[0])
}
_, res, err = table.Get("id")
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if err != nil {
t.Fatalf("err: %v", err)
}
if len(res) != 3 {
t.Fatalf("expect 3 result: %#v", res)
}
if !reflect.DeepEqual(res[0], objs[3]) {
t.Fatalf("bad: %#v", res[0])
}
if !reflect.DeepEqual(res[1], objs[4]) {
t.Fatalf("bad: %#v", res[1])
}
if !reflect.DeepEqual(res[2], objs[5]) {
t.Fatalf("bad: %#v", res[2])
}
}
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func TestMDBTableLastRowID(t *testing.T) {
dir, env := testMDBEnv(t)
defer os.RemoveAll(dir)
defer env.Close()
table := &MDBTable{
Env: env,
Name: "test",
Indexes: map[string]*MDBIndex{
"id": &MDBIndex{
Unique: true,
Fields: []string{"Key"},
},
"name": &MDBIndex{
Fields: []string{"First", "Last"},
},
"country": &MDBIndex{
Fields: []string{"Country"},
},
},
Encoder: MockEncoder,
Decoder: MockDecoder,
}
if err := table.Init(); err != nil {
t.Fatalf("err: %v", err)
}
if table.lastRowID != 0 {
t.Fatalf("bad last row id: %d", table.lastRowID)
}
objs := []*MockData{
&MockData{
Key: "1",
First: "Kevin",
Last: "Smith",
Country: "USA",
},
&MockData{
Key: "2",
First: "Kevin",
Last: "Wang",
Country: "USA",
},
&MockData{
Key: "3",
First: "Bernardo",
Last: "Torres",
Country: "Mexico",
},
}
// Insert some mock objects
for _, obj := range objs {
if err := table.Insert(obj); err != nil {
t.Fatalf("err: %v", err)
}
}
if table.lastRowID != 3 {
t.Fatalf("bad last row id: %d", table.lastRowID)
}
// Remount the table
table2 := &MDBTable{
Env: env,
Name: "test",
Indexes: map[string]*MDBIndex{
"id": &MDBIndex{
Unique: true,
Fields: []string{"Key"},
},
"name": &MDBIndex{
Fields: []string{"First", "Last"},
},
"country": &MDBIndex{
Fields: []string{"Country"},
},
},
Encoder: MockEncoder,
Decoder: MockDecoder,
}
if err := table2.Init(); err != nil {
t.Fatalf("err: %v", err)
}
if table2.lastRowID != 3 {
t.Fatalf("bad last row id: %d", table2.lastRowID)
}
}
func TestMDBTableIndex(t *testing.T) {
dir, env := testMDBEnv(t)
defer os.RemoveAll(dir)
defer env.Close()
table := &MDBTable{
Env: env,
Name: "test",
Indexes: map[string]*MDBIndex{
"id": &MDBIndex{
Unique: true,
Fields: []string{"Key"},
},
},
Encoder: MockEncoder,
Decoder: MockDecoder,
}
if err := table.Init(); err != nil {
t.Fatalf("err: %v", err)
}
if table.lastRowID != 0 {
t.Fatalf("bad last row id: %d", table.lastRowID)
}
objs := []*MockData{
&MockData{
Key: "1",
First: "Kevin",
Last: "Smith",
Country: "USA",
},
&MockData{
Key: "2",
First: "Kevin",
Last: "Wang",
Country: "USA",
},
&MockData{
Key: "3",
First: "Bernardo",
Last: "Torres",
Country: "Mexico",
},
}
// Insert some mock objects
for idx, obj := range objs {
if err := table.Insert(obj); err != nil {
t.Fatalf("err: %v", err)
}
if err := table.SetLastIndex(uint64(4 * idx)); err != nil {
t.Fatalf("err: %v", err)
}
}
if table.lastRowID != 3 {
t.Fatalf("bad last row id: %d", table.lastRowID)
}
if idx, _ := table.LastIndex(); idx != 8 {
t.Fatalf("bad last idx: %d", idx)
}
// Remount the table
table2 := &MDBTable{
Env: env,
Name: "test",
Indexes: map[string]*MDBIndex{
"id": &MDBIndex{
Unique: true,
Fields: []string{"Key"},
},
},
Encoder: MockEncoder,
Decoder: MockDecoder,
}
if err := table2.Init(); err != nil {
t.Fatalf("err: %v", err)
}
if table2.lastRowID != 3 {
t.Fatalf("bad last row id: %d", table2.lastRowID)
}
if idx, _ := table2.LastIndex(); idx != 8 {
t.Fatalf("bad last idx: %d", idx)
}
}