mirror of https://github.com/pressly/goose.git
121 lines
2.8 KiB
Go
121 lines
2.8 KiB
Go
package e2e
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import (
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"database/sql"
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"flag"
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"fmt"
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"log"
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"os"
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"os/signal"
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"path/filepath"
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"syscall"
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"testing"
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"github.com/pressly/goose/v3"
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"github.com/pressly/goose/v3/internal/check"
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"github.com/pressly/goose/v3/internal/testdb"
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)
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const (
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dialectPostgres = "postgres"
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dialectMySQL = "mysql"
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)
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// Flags.
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var (
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debug = flag.Bool(
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"debug",
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false,
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"Debug traps the test suite: useful for debugging running containers",
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)
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dialect = flag.String(
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"dialect",
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dialectPostgres,
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"Dialect defines which docker container to run tests against (default: postgres)",
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)
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// bindPort is useful if you want to pin a database port instead of relying
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// on the randomly assigned one from Docker. It is mainly used for debugging
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// locally and will normally be set to 0.
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bindPort = flag.Int(
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"port",
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0,
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"Port is an optional bind port. Left empty will let Docker assign a random port (recommended)",
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)
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)
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var (
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// migrationsDir is a global that points to a ./testdata/{dialect}/migrations folder.
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// It is set in TestMain based on the current dialect.
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migrationsDir = ""
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// seedDir is similar to migrationsDir but contains seed data
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seedDir = ""
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// known tables are the tables (including goose table) created by
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// running all migration files. If you add a table, make sure to
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// add to this list and keep it in order.
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knownTables = []string{
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"goose_db_version",
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"issues",
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"owners",
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"repos",
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"stargazers",
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}
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)
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func TestMain(m *testing.M) {
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flag.Parse()
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switch *dialect {
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case dialectPostgres, dialectMySQL:
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default:
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log.Printf("dialect not supported: %q", *dialect)
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os.Exit(1)
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}
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migrationsDir = filepath.Join("testdata", *dialect, "migrations")
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seedDir = filepath.Join("testdata", *dialect, "seed")
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if err := goose.SetDialect(*dialect); err != nil {
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log.Printf("failed to set dialect %q: %v\n", *dialect, err)
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os.Exit(1)
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}
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exitCode := m.Run()
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// Useful for debugging test services.
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if *debug {
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sigs := make(chan os.Signal, 1)
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done := make(chan bool, 1)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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<-sigs
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done <- true
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}()
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log.Printf("entering debug mode: must exit (CTRL+C) and cleanup containers manually. Exit code: %d)", exitCode)
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<-done
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}
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os.Exit(exitCode)
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}
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// newDockerDB starts a database container and returns a usable SQL connection.
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func newDockerDB(t *testing.T) (*sql.DB, error) {
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options := []testdb.OptionsFunc{
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testdb.WithBindPort(*bindPort),
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testdb.WithDebug(*debug),
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}
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var (
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db *sql.DB
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cleanup func()
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err error
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)
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switch *dialect {
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case dialectPostgres:
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db, cleanup, err = testdb.NewPostgres(options...)
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case dialectMySQL:
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db, cleanup, err = testdb.NewMariaDB(options...)
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default:
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return nil, fmt.Errorf("unsupported dialect: %q", *dialect)
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}
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check.NoError(t, err)
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t.Cleanup(cleanup)
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return db, nil
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}
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