86 lines
1.6 KiB
Go
86 lines
1.6 KiB
Go
package pgfixture
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import (
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"gitlab.com/slon/shad-go/tools/testtool"
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)
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func lookPath(t *testing.T, name string) string {
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t.Helper()
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path, err := exec.LookPath(name)
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if err == nil {
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return path
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}
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const ubuntuPostgres = "/usr/lib/postgresql"
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if dirs, err := ioutil.ReadDir(ubuntuPostgres); err == nil {
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for _, d := range dirs {
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path := filepath.Join(ubuntuPostgres, d.Name(), "bin", name)
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if _, err := os.Stat(path); err == nil {
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return path
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}
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}
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}
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t.Fatalf("%s binary not found; is postgres installed?", name)
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return ""
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}
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func Start(t *testing.T) string {
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pgconn, ok := os.LookupEnv("PGCONN")
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if ok {
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t.Logf("using external database: PGCONN=%s", pgconn)
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return pgconn
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}
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pgdata := t.TempDir()
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cmd := exec.Command(lookPath(t, "initdb"), "-N", "-D", pgdata)
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cmd.Stderr = os.Stderr
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cmd.Stdout = os.Stdout
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if err := cmd.Run(); err != nil {
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t.Fatalf("initdb failed: %v", err)
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}
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port, err := testtool.GetFreePort()
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require.NoError(t, err)
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pgrun := t.TempDir()
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cmd = exec.Command(lookPath(t, "postgres"), "-D", pgdata, "-k", pgrun, "-F", "-p", port)
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cmd.Stderr = os.Stderr
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cmd.Stdout = os.Stdout
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if err := cmd.Start(); err != nil {
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t.Fatalf("postgres failed: %v", err)
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}
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finished := make(chan error, 1)
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go func() {
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finished <- cmd.Wait()
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}()
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select {
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case err := <-finished:
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t.Fatalf("postgres server terminated: %v", err)
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case <-time.After(time.Second / 2):
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}
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t.Cleanup(func() {
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_ = cmd.Process.Kill()
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})
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return fmt.Sprintf("host=localhost port=%s database=postgres", port)
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}
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