69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
//go:build integration
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// Package testutil contains opt-in helpers for isolated integration databases.
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package testutil
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import (
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"crypto/rand"
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"encoding/hex"
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"fmt"
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"net/url"
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"os"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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"gorm.io/driver/postgres"
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"gorm.io/gorm"
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)
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// OpenIsolatedPostgres creates a random schema and binds every pooled test
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// connection to it through search_path. It never reads the production DSN.
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func OpenIsolatedPostgres(t testing.TB, config *gorm.Config) *gorm.DB {
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t.Helper()
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dsn := strings.TrimSpace(os.Getenv("TEST_DATABASE_URL"))
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require.NotEmpty(t, dsn, "TEST_DATABASE_URL is required for integration tests and must point to an isolated database")
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schema := randomSchemaName(t)
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admin, err := gorm.Open(postgres.Open(dsn), config)
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require.NoError(t, err)
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adminSQL, err := admin.DB()
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require.NoError(t, err)
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require.NoError(t, admin.Exec(fmt.Sprintf(`CREATE SCHEMA "%s"`, schema)).Error)
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schemaDSN, err := postgresSchemaDSN(dsn, schema)
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require.NoError(t, err)
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database, err := gorm.Open(postgres.Open(schemaDSN), config)
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require.NoError(t, err)
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isolationSQL, err := database.DB()
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require.NoError(t, err)
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t.Cleanup(func() {
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_ = isolationSQL.Close()
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_ = admin.Exec(fmt.Sprintf(`DROP SCHEMA IF EXISTS "%s" CASCADE`, schema)).Error
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_ = adminSQL.Close()
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})
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return database
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}
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func randomSchemaName(t testing.TB) string {
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t.Helper()
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value := make([]byte, 12)
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_, err := rand.Read(value)
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require.NoError(t, err)
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return "senlin_test_" + hex.EncodeToString(value)
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}
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func postgresSchemaDSN(dsn, schema string) (string, error) {
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if strings.Contains(dsn, "://") {
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parsed, err := url.Parse(dsn)
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if err != nil {
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return "", err
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}
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query := parsed.Query()
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query.Set("search_path", schema)
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parsed.RawQuery = query.Encode()
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return parsed.String(), nil
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}
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return strings.TrimSpace(dsn) + " search_path=" + schema, nil
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}
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