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migration_test.go
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migration_test.go
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package migrations
import (
"database/sql"
"fmt"
_ "github.com/mattn/go-sqlite3"
"os"
"os/exec"
"regexp"
"testing"
)
func TestGenerateMigration(t *testing.T) {
_, err := os.Create("database.db")
if err != nil {
t.Error("Could not create a database to start testing with")
}
db, err := sql.Open("sqlite3", "database.db")
mig := migration{
baseDir: "",
dialect: "sqlite3",
Sql: db,
}
mig.GenerateMigration()
validFilePath := regexp.MustCompile("^\\d*")
dirs, _ := os.ReadDir("migrations")
for _, val := range dirs {
if val.IsDir() && val.Name() == "migrations" {
continue
}
if !val.IsDir() {
t.Error("Was not expecting a non directory here")
}
if !validFilePath.Match([]byte(val.Name())) {
t.Error("Dir not match expected directory format")
}
sqlFiles, _ := os.ReadDir("migrations/" + val.Name())
for _, sqlFile := range sqlFiles {
if sqlFile.Name() != "down.sql" && sqlFile.Name() != "up.sql" {
t.Error(fmt.Sprintf("%s expected, got %s", "up|down.sql", sqlFile.Name()))
}
}
}
mig.RunMigrations()
defer tearDown()
}
func TestMigration_GenerateMigration(t *testing.T) {
mig, _ := setUp("testing_data/")
_ = exec.Command("cp", "--recursive", "testing_data", ".")
mig.RunMigrations()
result, err := mig.Sql.Query(QueryForRanMigrations(mig.dialect))
if err != nil {
t.Error("Failure")
t.Error(err)
}
defer func(result *sql.Rows) {
err = result.Close()
if err != nil {
t.Error(err)
}
}(result)
defer tearDown()
}
func TestMigration_GetAllMigrations(t *testing.T) {
mig, _ := setUp("")
mig.GenerateMigration()
mig.GenerateMigration()
_ = exec.Command("cp", "--recursive", "testing_data", ".")
migs := mig.GetAllMigrations()
if len(migs) == 0 {
t.Error("Expected at least one migration to be present on filesystem")
}
defer tearDown()
}
func TestMigration_GetUnRanMigrations(t *testing.T) {
mig, _ := setUp("")
mig.GenerateMigration()
res := mig.GetUnRanMigrations()
if len(res) != 1 {
t.Error("failure!")
}
mig.RunMigrations()
res = mig.GetUnRanMigrations()
if len(res) != 0 {
t.Error("failure!")
}
defer tearDown()
}
func tearDown() {
_ = os.RemoveAll("migrations")
_ = os.RemoveAll("database.db")
}
func setUp(baseDir string) (migration, error) {
_, err := os.Create("database.db")
db, err := sql.Open("sqlite3", "database.db")
mig := migration{
baseDir: baseDir,
dialect: "sqlite3",
Sql: db,
}
return mig, err
}