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sqlfile_test.go
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sqlfile_test.go
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package sqlfile
import (
"database/sql"
"errors"
"regexp"
"testing"
"github.com/DATA-DOG/go-sqlmock"
_ "github.com/go-sql-driver/mysql"
"github.com/stretchr/testify/assert"
)
var (
db *sql.DB
)
func newMockDB(t *testing.T) (*sql.DB, sqlmock.Sqlmock) {
db, mock, err := sqlmock.New()
if err != nil {
t.Fatalf("an error '%s' was not expected when opening a stub database connection", err)
}
return db, mock
}
func TestExec_Commit(t *testing.T) {
t.Helper()
db, mock := newMockDB(t)
defer db.Close()
tests := []struct {
query string
lastID int64
rows int64
}{
{`DROP TABLE IF EXISTS users`, 0, 0},
{`CREATE TABLE users (id BIGINT PRIMARY KEY AUTO_INCREMENT NOTNULL, name VARCHAR(255))`, 0, 0},
{`INSERT INTO users (id, name) VALUES (1, 'user')`, 1, 1},
}
mock.ExpectBegin()
var qs []string
for _, test := range tests {
mock.ExpectExec(regexp.QuoteMeta(test.query)).
WillReturnResult(sqlmock.NewResult(test.lastID, test.rows))
qs = append(qs, test.query)
}
mock.ExpectCommit()
s := SqlFile{queries: qs}
if _, err := s.Exec(db); err != nil {
t.Errorf("test error: %s", err)
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Errorf("there were unfulfilled expectations: %s", err)
}
}
func TestExec_Rollback(t *testing.T) {
t.Helper()
db, mock := newMockDB(t)
defer db.Close()
query := `INSERT INTO non_existing_table (id) values (1)`
qs := []string{query}
mock.ExpectBegin()
mock.ExpectExec(regexp.QuoteMeta(query)).
WillReturnError(errors.New("Error 1146: Table 'tmp.non_existing_table' doesn't exist"))
mock.ExpectRollback()
s := SqlFile{queries: qs}
s.Exec(db)
if err := mock.ExpectationsWereMet(); err != nil {
t.Errorf("there were unfulfilled expectations: %s", err)
}
}
func TestFile_SqlNotIncludeComments(t *testing.T) {
t.Helper()
exps, err := readFileByLine("./testdata/expected.sql")
if err != nil {
t.Fatalf(err.Error())
}
s := New()
if err := s.File("./testdata/not_include_comments.sql"); err != nil {
t.Fatalf(err.Error())
}
assert.Equal(t, len(exps), len(s.queries))
for i := 0; i < len(exps); i++ {
assert.Equal(t, exps[i], s.queries[i])
}
}
func TestFile_SqlIncludeComments(t *testing.T) {
t.Helper()
exps, err := readFileByLine("./testdata/expected.sql")
if err != nil {
t.Fatalf(err.Error())
}
s := New()
if err := s.File("./testdata/include_comments.sql"); err != nil {
t.Fatalf(err.Error())
}
assert.Equal(t, len(exps), len(s.queries))
for i := 0; i < len(exps); i++ {
assert.Equal(t, exps[i], s.queries[i])
}
}
func TestFile_NotFound(t *testing.T) {
t.Helper()
s := New()
err := s.File("./testdata/non_exisiting.sql")
assert.NotEqual(t, nil, err)
}
func TestFiles_Success(t *testing.T) {
t.Helper()
s := New()
err := s.Files(
"./testdata/include_comments.sql",
"./testdata/not_include_comments.sql",
)
if err != nil {
t.Fatalf(err.Error())
}
assert.Equal(t, 2, len(s.files))
}
func TestFiles_NotFound(t *testing.T) {
t.Helper()
s := New()
err := s.Files(
"./testdata/non_exisiting.sql",
"./testdata/non_exisiting.sql",
)
assert.NotEqual(t, nil, err)
}
func TestDirectory_Success(t *testing.T) {
t.Helper()
s := New()
err := s.Directory("./testdata")
if err != nil {
t.Fatalf(err.Error())
}
assert.Equal(t, 3, len(s.files))
}
func TestDirectory_NotFound(t *testing.T) {
t.Helper()
s := New()
err := s.Directory(
"./non_exisiting",
)
assert.NotEqual(t, nil, err)
}