Files

69 lines
1.7 KiB
Go

package main
import (
"context"
"database/sql"
"errors"
"io"
"os"
"path/filepath"
"runtime"
"testing"
)
func TestRunUp(t *testing.T) {
databaseSource := filepath.Join(t.TempDir(), "migrate.db")
if err := run(context.Background(), []string{
"-database", databaseSource,
"-dir", migrationDirectory(t),
"up",
}, io.Discard); err != nil {
t.Fatalf("run up migration command: %v", err)
}
database, err := sql.Open("sqlite3", databaseSource)
if err != nil {
t.Fatalf("open migrated database: %v", err)
}
t.Cleanup(func() {
if err := database.Close(); err != nil {
t.Errorf("close migrated database: %v", err)
}
})
var count int
if err := database.QueryRow(`SELECT COUNT(*) FROM sqlite_master WHERE type = 'table' AND name = 'tasks'`).Scan(&count); err != nil {
t.Fatalf("look up tasks table: %v", err)
}
if count != 1 {
t.Fatalf("tasks table count = %d, want 1", count)
}
}
func TestRunRequiresDatabase(t *testing.T) {
if err := run(context.Background(), []string{"up"}, io.Discard); err == nil {
t.Fatal("run without database source succeeded")
}
}
func TestRunRejectsUndeclaredCommand(t *testing.T) {
databaseSource := filepath.Join(t.TempDir(), "migrate.db")
err := run(context.Background(), []string{"-database", databaseSource, "reset"}, io.Discard)
if err == nil {
t.Fatal("run with undeclared command succeeded")
}
if _, err := os.Stat(databaseSource); !errors.Is(err, os.ErrNotExist) {
t.Fatalf("undeclared command opened database source: stat error = %v, want not exist", err)
}
}
func migrationDirectory(t *testing.T) string {
t.Helper()
_, file, _, ok := runtime.Caller(0)
if !ok {
t.Fatal("locate migration command test source")
}
return filepath.Join(filepath.Dir(file), "..", "..", "migrations")
}