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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
// Package testdb liefert Integrationstests einen Pool auf ein eigenes,
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// frisch angelegtes Schema (search_path = Schema, public). Tabellen, die ein
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// Test per CREATE TABLE anlegt, entstehen damit nur in diesem Schema; Pakete,
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// Laeufe und parallele Checkouts teilen sich keine Tabellen mehr.
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package testdb
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import (
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"context"
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"fmt"
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"os"
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"sync/atomic"
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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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var seq atomic.Int64
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// AdminDSN liefert TEST_ADMIN_DSN. Fehlt er, wird uebersprungen; mit
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// REQUIRE_DB=1 (CI) zaehlt das Fehlen als Fehler.
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func AdminDSN(t testing.TB) string {
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t.Helper()
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dsn := os.Getenv("TEST_ADMIN_DSN")
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if dsn != "" {
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return dsn
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}
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if os.Getenv("REQUIRE_DB") == "1" {
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t.Fatal("testdb: TEST_ADMIN_DSN nicht gesetzt, aber REQUIRE_DB=1")
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}
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t.Skip("testdb: TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
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return ""
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}
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// Pool legt ein Schema an und liefert einen darauf ausgerichteten Pool;
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// beides wird per t.Cleanup wieder entfernt.
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func Pool(t testing.TB, dsn string) *pgxpool.Pool {
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t.Helper()
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pool, _ := PoolWithSchema(t, dsn, nil)
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return pool
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}
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// PoolWithSchema wie Pool, zusaetzlich mit dem Schemanamen und der
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// Moeglichkeit, die Verbindungskonfiguration anzupassen.
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func PoolWithSchema(t testing.TB, dsn string, adjust func(*pgxpool.Config)) (*pgxpool.Pool, string) {
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t.Helper()
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ctx := context.Background()
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admin, err := pgxpool.New(ctx, dsn)
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if err != nil {
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t.Fatalf("testdb: verbindung: %v", err)
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}
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schema := fmt.Sprintf("connecttest_%d_%d", time.Now().UnixNano(), seq.Add(1))
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if _, err := admin.Exec(ctx, "CREATE SCHEMA "+schema); err != nil {
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admin.Close()
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t.Fatalf("testdb: schema anlegen: %v", err)
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}
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cfg, err := pgxpool.ParseConfig(dsn)
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if err != nil {
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admin.Close()
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t.Fatalf("testdb: dsn: %v", err)
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}
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cfg.ConnConfig.RuntimeParams["search_path"] = schema + ",public"
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if adjust != nil {
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adjust(cfg)
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}
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pool, err := pgxpool.NewWithConfig(ctx, cfg)
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if err != nil {
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admin.Close()
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t.Fatalf("testdb: pool: %v", err)
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}
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t.Cleanup(func() {
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pool.Close()
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_, _ = admin.Exec(context.Background(), "DROP SCHEMA "+schema+" CASCADE")
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admin.Close()
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})
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return pool, schema
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}
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