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// +build go1.16
package migrate
import (
"database/sql"
"embed"
"testing"
_ "github.com/mattn/go-sqlite3"
)
func TestFSMigrator(t *testing.T) {
//go:embed testdata/*.sql
var testdata embed.FS
db, err := sql.Open("sqlite3", testDB)
if err != nil {
t.Fatalf("DB setup failed: %v", err)
}
defer db.Close()
migrator, err := NewFSMigrator(db, testdata)
if err != nil {
t.Fatal(err)
}
if v, _ := migrator.Version(); v != NilVersion {
t.Errorf("expected migration version NilVersion, got %d", v)
}
if c := len(migrator.migrations); c != 2 {
t.Errorf("expected migration count = 2, got %d", c)
}
err = migrator.MigrateTo(1)
if err != nil {
t.Fatalf("Migrator.MigrateTo(3) failed: %v", err)
}
v, err := migrator.Version()
if err != nil {
t.Fatalf("Migrator.Version() failed: %v", err)
}
if int(v) != len(migrator.migrations)-1 {
t.Errorf("expected migration version %d, got %d", len(migrator.migrations)-1, v)
}
}
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