feat(backend): establish gin sqlite service skeleton

2026-07-25 22:29:56 +08:00
parent 84f2da3cf7
commit ab21219a07
32 changed files with 1854 additions and 42 deletions
@@ -0,0 +1,86 @@
+package database
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"path/filepath"
+	"testing"
+)
+
+func TestOpenConfiguresSQLiteAndClosesCleanly(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "nested", "test.db")
+	db, err := Open(context.Background(), path)
+	if err != nil {
+		t.Fatalf("Open() error = %v; cause = %v", err, errors.Unwrap(err))
+	}
+
+	assertPragmaInt(t, db, "foreign_keys", 1)
+	assertPragmaInt(t, db, "busy_timeout", busyTimeoutMilliseconds)
+	assertPragmaString(t, db, "journal_mode", "wal")
+
+	if db.Stats().MaxOpenConnections != 1 {
+		t.Fatalf("MaxOpenConnections = %d", db.Stats().MaxOpenConnections)
+	}
+	if err := db.Close(); err != nil {
+		t.Fatalf("Close() error = %v", err)
+	}
+	if err := db.PingContext(context.Background()); err == nil {
+		t.Fatal("PingContext() after Close() error = nil")
+	}
+}
+
+func TestOpenEnforcesForeignKeys(t *testing.T) {
+	db, err := Open(
+		context.Background(),
+		filepath.Join(t.TempDir(), "foreign-keys.db"),
+	)
+	if err != nil {
+		t.Fatalf("Open() error = %v; cause = %v", err, errors.Unwrap(err))
+	}
+	t.Cleanup(func() { _ = db.Close() })
+
+	if _, err := db.Exec(`
+		CREATE TABLE parent (id INTEGER PRIMARY KEY);
+		CREATE TABLE child (
+			id INTEGER PRIMARY KEY,
+			parent_id INTEGER NOT NULL REFERENCES parent(id)
+		);
+	`); err != nil {
+		t.Fatalf("create tables: %v", err)
+	}
+	if _, err := db.Exec(
+		"INSERT INTO child (id, parent_id) VALUES (1, 999)",
+	); err == nil {
+		t.Fatal("foreign key violation error = nil")
+	}
+}
+
+func TestDataSourceNameIncludesRequiredOptions(t *testing.T) {
+	dsn := dataSourceName(filepath.Join(t.TempDir(), "test.db"))
+	if !isSafeDataSourceName(dsn) {
+		t.Fatalf("unsafe DSN options")
+	}
+}
+
+func assertPragmaInt(t *testing.T, db *sql.DB, name string, want int) {
+	t.Helper()
+	var got int
+	if err := db.QueryRow("PRAGMA " + name).Scan(&got); err != nil {
+		t.Fatalf("PRAGMA %s: %v", name, err)
+	}
+	if got != want {
+		t.Fatalf("PRAGMA %s = %d, want %d", name, got, want)
+	}
+}
+
+func assertPragmaString(t *testing.T, db *sql.DB, name, want string) {
+	t.Helper()
+	var got string
+	if err := db.QueryRow("PRAGMA " + name).Scan(&got); err != nil {
+		t.Fatalf("PRAGMA %s: %v", name, err)
+	}
+	if got != want {
+		t.Fatalf("PRAGMA %s = %q, want %q", name, got, want)
+	}
+}