harness-drone/pkg/database/migrate/sqlite_test.go
2014-02-19 07:38:53 +07:00

520 lines
11 KiB
Go

package migrate
import (
"database/sql"
"os"
"strings"
"testing"
"github.com/russross/meddler"
)
type Sample struct {
ID int64 `meddler:"id,pk"`
Imel string `meddler:"imel"`
Name string `meddler:"name"`
}
type RenameSample struct {
ID int64 `meddler:"id,pk"`
Email string `meddler:"email"`
Name string `meddler:"name"`
}
type AddColumnSample struct {
ID int64 `meddler:"id,pk"`
Imel string `meddler:"imel"`
Name string `meddler:"name"`
Url string `meddler:"url"`
Num int64 `meddler:"num"`
}
// ---------- revision 1
type revision1 struct{}
func (r *revision1) Up(op Operation) error {
_, err := op.CreateTable("samples", []string{
"id INTEGER PRIMARY KEY AUTOINCREMENT",
"imel VARCHAR(255) UNIQUE",
"name VARCHAR(255)",
})
return err
}
func (r *revision1) Down(op Operation) error {
_, err := op.DropTable("samples")
return err
}
func (r *revision1) Revision() int64 {
return 1
}
// ---------- end of revision 1
// ---------- revision 2
type revision2 struct{}
func (r *revision2) Up(op Operation) error {
_, err := op.RenameTable("samples", "examples")
return err
}
func (r *revision2) Down(op Operation) error {
_, err := op.RenameTable("examples", "samples")
return err
}
func (r *revision2) Revision() int64 {
return 2
}
// ---------- end of revision 2
// ---------- revision 3
type revision3 struct{}
func (r *revision3) Up(op Operation) error {
if _, err := op.AddColumn("samples", "url VARCHAR(255)"); err != nil {
return err
}
_, err := op.AddColumn("samples", "num INTEGER")
return err
}
func (r *revision3) Down(op Operation) error {
_, err := op.DropColumns("samples", []string{"num", "url"})
return err
}
func (r *revision3) Revision() int64 {
return 3
}
// ---------- end of revision 3
// ---------- revision 4
type revision4 struct{}
func (r *revision4) Up(op Operation) error {
_, err := op.RenameColumns("samples", map[string]string{
"imel": "email",
})
return err
}
func (r *revision4) Down(op Operation) error {
_, err := op.RenameColumns("samples", map[string]string{
"email": "imel",
})
return err
}
func (r *revision4) Revision() int64 {
return 4
}
// ---------- end of revision 4
// ---------- revision 5
type revision5 struct{}
func (r *revision5) Up(op Operation) error {
_, err := op.Exec(`CREATE INDEX samples_url_name_ix ON samples (url, name)`)
return err
}
func (r *revision5) Down(op Operation) error {
_, err := op.Exec(`DROP INDEX samples_url_name_ix`)
return err
}
func (r *revision5) Revision() int64 {
return 5
}
// ---------- end of revision 5
// ---------- revision 6
type revision6 struct{}
func (r *revision6) Up(op Operation) error {
_, err := op.RenameColumns("samples", map[string]string{
"url": "host",
})
return err
}
func (r *revision6) Down(op Operation) error {
_, err := op.RenameColumns("samples", map[string]string{
"host": "url",
})
return err
}
func (r *revision6) Revision() int64 {
return 6
}
// ---------- end of revision 6
// ---------- revision 7
type revision7 struct{}
func (r *revision7) Up(op Operation) error {
_, err := op.DropColumns("samples", []string{"host", "num"})
return err
}
func (r *revision7) Down(op Operation) error {
if _, err := op.AddColumn("samples", "host VARCHAR(255)"); err != nil {
return err
}
_, err := op.AddColumn("samples", "num INSTEGER")
return err
}
func (r *revision7) Revision() int64 {
return 7
}
// ---------- end of revision 7
// ---------- revision 8
type revision8 struct{}
func (r *revision8) Up(op Operation) error {
if _, err := op.AddColumn("samples", "repo_id INTEGER"); err != nil {
return err
}
_, err := op.AddColumn("samples", "repo VARCHAR(255)")
return err
}
func (r *revision8) Down(op Operation) error {
_, err := op.DropColumns("samples", []string{"repo", "repo_id"})
return err
}
func (r *revision8) Revision() int64 {
return 8
}
// ---------- end of revision 8
// ---------- revision 9
type revision9 struct{}
func (r *revision9) Up(op Operation) error {
_, err := op.RenameColumns("samples", map[string]string{
"repo": "repository",
})
return err
}
func (r *revision9) Down(op Operation) error {
_, err := op.RenameColumns("samples", map[string]string{
"repository": "repo",
})
return err
}
func (r *revision9) Revision() int64 {
return 9
}
// ---------- end of revision 9
var db *sql.DB
var testSchema = `
CREATE TABLE samples (
id INTEGER PRIMARY KEY AUTOINCREMENT,
imel VARCHAR(255) UNIQUE,
name VARCHAR(255)
);
`
var dataDump = []string{
`INSERT INTO samples (imel, name) VALUES ('test@example.com', 'Test Tester');`,
`INSERT INTO samples (imel, name) VALUES ('foo@bar.com', 'Foo Bar');`,
`INSERT INTO samples (imel, name) VALUES ('crash@bandicoot.io', 'Crash Bandicoot');`,
}
func TestMigrateCreateTable(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
Driver = SQLite
mgr := New(db)
if err := mgr.Add(&revision1{}).Migrate(); err != nil {
t.Errorf("Can not migrate: %q", err)
}
sample := Sample{
ID: 1,
Imel: "test@example.com",
Name: "Test Tester",
}
if err := meddler.Save(db, "samples", &sample); err != nil {
t.Errorf("Can not save data: %q", err)
}
}
func TestMigrateRenameTable(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
Driver = SQLite
mgr := New(db)
if err := mgr.Add(&revision1{}).Migrate(); err != nil {
t.Errorf("Can not migrate: %q", err)
}
loadFixture(t)
if err := mgr.Add(&revision2{}).Migrate(); err != nil {
t.Errorf("Can not migrate: %q", err)
}
sample := Sample{}
if err := meddler.QueryRow(db, &sample, `SELECT * FROM examples WHERE id = ?`, 2); err != nil {
t.Errorf("Can not fetch data: %q", err)
}
if sample.Imel != "foo@bar.com" {
t.Errorf("Column doesn't match. Expect: %s, got: %s", "foo@bar.com", sample.Imel)
}
}
type TableInfo struct {
CID int64 `meddler:"cid,pk"`
Name string `meddler:"name"`
Type string `meddler:"type"`
Notnull bool `meddler:"notnull"`
DfltValue interface{} `meddler:"dflt_value"`
PK bool `meddler:"pk"`
}
func TestMigrateAddRemoveColumns(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
Driver = SQLite
mgr := New(db)
if err := mgr.Add(&revision1{}, &revision3{}).Migrate(); err != nil {
t.Errorf("Can not migrate: %q", err)
}
var columns []*TableInfo
if err := meddler.QueryAll(db, &columns, `PRAGMA table_info(samples);`); err != nil {
t.Errorf("Can not access table info: %q", err)
}
if len(columns) < 5 {
t.Errorf("Expect length columns: %d\nGot: %d", 5, len(columns))
}
var row = AddColumnSample{
ID: 33,
Name: "Foo",
Imel: "foo@bar.com",
Url: "http://example.com",
Num: 42,
}
if err := meddler.Save(db, "samples", &row); err != nil {
t.Errorf("Can not save into database: %q", err)
}
if err := mgr.MigrateTo(1); err != nil {
t.Errorf("Can not migrate: %q", err)
}
var another_columns []*TableInfo
if err := meddler.QueryAll(db, &another_columns, `PRAGMA table_info(samples);`); err != nil {
t.Errorf("Can not access table info: %q", err)
}
if len(another_columns) != 3 {
t.Errorf("Expect length columns = %d, got: %d", 3, len(columns))
}
}
func TestRenameColumn(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
Driver = SQLite
mgr := New(db)
if err := mgr.Add(&revision1{}, &revision4{}).MigrateTo(1); err != nil {
t.Errorf("Can not migrate: %q", err)
}
loadFixture(t)
if err := mgr.MigrateTo(4); err != nil {
t.Errorf("Can not migrate: %q", err)
}
row := RenameSample{}
if err := meddler.QueryRow(db, &row, `SELECT * FROM samples WHERE id = 3;`); err != nil {
t.Errorf("Can not query database: %q", err)
}
if row.Email != "crash@bandicoot.io" {
t.Errorf("Expect %s, got %s", "crash@bandicoot.io", row.Email)
}
}
func TestMigrateExistingTable(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
Driver = SQLite
if _, err := db.Exec(testSchema); err != nil {
t.Errorf("Can not create database: %q", err)
}
loadFixture(t)
mgr := New(db)
if err := mgr.Add(&revision4{}).Migrate(); err != nil {
t.Errorf("Can not migrate: %q", err)
}
var rows []*RenameSample
if err := meddler.QueryAll(db, &rows, `SELECT * from samples;`); err != nil {
t.Errorf("Can not query database: %q", err)
}
if len(rows) != 3 {
t.Errorf("Expect rows length = %d, got %d", 3, len(rows))
}
if rows[1].Email != "foo@bar.com" {
t.Errorf("Expect email = %s, got %s", "foo@bar.com", rows[1].Email)
}
}
type sqliteMaster struct {
Sql interface{} `meddler:"sql"`
}
func TestIndexOperations(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
Driver = SQLite
mgr := New(db)
// Migrate, create index
if err := mgr.Add(&revision1{}, &revision3{}, &revision5{}).Migrate(); err != nil {
t.Errorf("Can not migrate: %q", err)
}
var esquel []*sqliteMaster
// Query sqlite_master, check if index is exists.
query := `SELECT sql FROM sqlite_master WHERE type='index' and tbl_name='samples'`
if err := meddler.QueryAll(db, &esquel, query); err != nil {
t.Errorf("Can not find index: %q", err)
}
indexStatement := `CREATE INDEX samples_url_name_ix ON samples (url, name)`
if string(esquel[1].Sql.([]byte)) != indexStatement {
t.Errorf("Can not find index")
}
// Migrate, rename indexed columns
if err := mgr.Add(&revision6{}).Migrate(); err != nil {
t.Errorf("Can not migrate: %q", err)
}
var esquel1 []*sqliteMaster
if err := meddler.QueryAll(db, &esquel1, query); err != nil {
t.Errorf("Can not find index: %q", err)
}
indexStatement = `CREATE INDEX samples_host_name_ix ON samples (host, name)`
if string(esquel1[1].Sql.([]byte)) != indexStatement {
t.Errorf("Can not find index, got: %s", esquel[0])
}
if err := mgr.Add(&revision7{}).Migrate(); err != nil {
t.Errorf("Can not migrate: %q", err)
}
var esquel2 []*sqliteMaster
if err := meddler.QueryAll(db, &esquel2, query); err != nil {
t.Errorf("Can not find index: %q", err)
}
if len(esquel2) != 1 {
t.Errorf("Expect row length equal to %d, got %d", 1, len(esquel2))
}
}
func TestColumnRedundancy(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
Driver = SQLite
migr := New(db)
if err := migr.Add(&revision1{}, &revision8{}, &revision9{}).Migrate(); err != nil {
t.Errorf("Can not migrate: %q", err)
}
var tableSql string
query := `SELECT sql FROM sqlite_master where type='table' and name='samples'`
if err := db.QueryRow(query).Scan(&tableSql); err != nil {
t.Errorf("Can not query sqlite_master: %q", err)
}
if !strings.Contains(tableSql, "repository ") {
t.Errorf("Expect column with name repository")
}
}
func setUp() error {
var err error
db, err = sql.Open("sqlite3", "migration_tests.sqlite")
return err
}
func tearDown() {
db.Close()
os.Remove("migration_tests.sqlite")
}
func loadFixture(t *testing.T) {
for _, sql := range dataDump {
if _, err := db.Exec(sql); err != nil {
t.Errorf("Can not insert into database: %q", err)
}
}
}