50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package db
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import (
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"context"
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"os"
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"sync"
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"testing"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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// TestMigrateConcurrent runs Migrate from two goroutines against a real
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// Postgres and asserts neither errors (the advisory lock serializes them;
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// the loser sees every version recorded and no-ops). Requires a live DB:
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// set PANEL_TEST_DSN to run, e.g.
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//
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// PANEL_TEST_DSN=postgres://user:pw@localhost:5432/panel_test go test ./controller/internal/db/
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//
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// Skipped otherwise — no Postgres is assumed on dev machines or CI.
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func TestMigrateConcurrent(t *testing.T) {
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dsn := os.Getenv("PANEL_TEST_DSN")
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if dsn == "" {
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t.Skip("PANEL_TEST_DSN not set; migration lock test needs a live Postgres")
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}
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ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
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defer cancel()
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pool, err := pgxpool.New(ctx, dsn)
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if err != nil {
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t.Fatalf("connect: %v", err)
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}
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defer pool.Close()
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var wg sync.WaitGroup
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errs := make([]error, 2)
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for i := 0; i < 2; i++ {
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wg.Add(1)
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go func(i int) {
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defer wg.Done()
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errs[i] = Migrate(ctx, pool)
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}(i)
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}
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wg.Wait()
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for i, e := range errs {
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if e != nil {
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t.Errorf("concurrent Migrate %d: %v", i, e)
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}
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}
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}
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