49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
// Package testpg opens throwaway Postgres schemas for integration tests.
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// Imported only from _test.go files, so it never reaches the server binary.
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package testpg
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import (
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"regexp"
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"testing"
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"gorm.io/driver/postgres"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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)
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var schemaName = regexp.MustCompile(`^[a-z_][a-z0-9_]{0,62}$`)
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// Open connects to a THROWAWAY Postgres (the DSN from REGISTRY_TEST_DSN)
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// inside a schema of its own, created if missing.
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//
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// Each test package passes a different schema: `go test ./...` runs packages
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// in parallel, and two packages dropping and recreating the same tables in the
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// same schema at once fail each other at random.
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func Open(t testing.TB, dsn, schema string) *gorm.DB {
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t.Helper()
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if !schemaName.MatchString(schema) {
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t.Fatalf("bad test schema name %q", schema)
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}
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cfg := &gorm.Config{Logger: logger.Default.LogMode(logger.Silent)}
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base, err := gorm.Open(postgres.Open(dsn), cfg)
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if err != nil {
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t.Fatalf("connect: %v", err)
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}
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if err := base.Exec("CREATE SCHEMA IF NOT EXISTS " + schema).Error; err != nil {
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t.Fatalf("create schema %s: %v", schema, err)
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}
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if sqlDB, err := base.DB(); err == nil {
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_ = sqlDB.Close()
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}
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db, err := gorm.Open(postgres.Open(dsn+" search_path="+schema), cfg)
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if err != nil {
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t.Fatalf("connect to schema %s: %v", schema, err)
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}
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t.Cleanup(func() {
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if sqlDB, err := db.DB(); err == nil {
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_ = sqlDB.Close()
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}
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})
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return db
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}
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