Rewrite to use embed.FS and sqlx.

simplesql_test/simplesql_test.go

@@ -0,0 +1,62 @@
+package simplesql_test
+
+import (
+	"context"
+	"embed"
+	"testing"
+
+	ssql "git.simplesystems.tech/bjj-gym-management/simplesql"
+	"github.com/jmoiron/sqlx"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+//go:embed sqlq
+var sqlQueries embed.FS
+
+type user struct {
+	Username string `db:"username"`
+}
+
+func TestNew(t *testing.T) {
+	// Create in-memory db for test
+	db, err := sqlx.Open("sqlite3", "file:temp.db?mode=memory")
+	if err != nil {
+		t.Fatalf("opening db: %v", err)
+	}
+	defer db.Close()
+
+	// Create table
+	if _, err := db.Exec("CREATE TABLE users(id INT, username VARCHAR)"); err != nil {
+		t.Fatalf("creating table: %v", err)
+	}
+
+	// Add users
+	if _, err := db.Exec("INSERT INTO users (id, username) VALUES (1, 'u1'), (2, 'u2')"); err != nil {
+		t.Fatalf("adding users: %v", err)
+	}
+
+	// Prepare statements
+	stmts, err := ssql.Prepare(context.TODO(), db, sqlQueries)
+	if err != nil {
+		t.Fatalf("preparing statements: %v", err)
+	}
+	defer stmts.Close()
+
+	if len(stmts) != 1 {
+		t.Errorf("expecting 1 statement, but got %d", len(stmts))
+	}
+
+	if _, ok := stmts["get_user"]; !ok {
+		t.Error("expecting get_user to be in stmts, but it is not")
+	}
+
+	// Get a user from the table, using the prepared statement
+	var res user
+	if err := stmts["get_user"].Get(&res, map[string]interface{}{"user_id": "2"}); err != nil {
+		t.Fatalf("getting users: %v", err)
+	}
+
+	if res.Username != "u2" {
+		t.Errorf("expecting u2, but got %s", res.Username)
+	}
+}

simplesql_test/sqlq/get_user.sql

@@ -0,0 +1,2 @@
+-- Can use SQL comments here!
+SELECT username FROM users WHERE id = :user_id;