Unix locks.

tests/db_test.go

@@ -0,0 +1,75 @@
+package tests
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/ncruces/go-sqlite3"
+	_ "github.com/ncruces/go-sqlite3/embed"
+)
+
+func TestDB_memory(t *testing.T) {
+	testDB(t, ":memory:")
+}
+
+func TestDB_file(t *testing.T) {
+	dir, err := os.MkdirTemp("", "sqlite3-")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(dir)
+
+	testDB(t, filepath.Join(dir, "test.db"))
+}
+
+func testDB(t *testing.T, name string) {
+	db, err := sqlite3.Open(name)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+
+	err = db.Exec(`CREATE TABLE IF NOT EXISTS users (id INT, name VARCHAR(10))`)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = db.Exec(`INSERT INTO users(id, name) VALUES(0, 'go'), (1, 'zig'), (2, 'whatever')`)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	stmt, _, err := db.Prepare(`SELECT id, name FROM users`)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	row := 0
+	ids := []int{0, 1, 2}
+	names := []string{"go", "zig", "whatever"}
+	for ; stmt.Step(); row++ {
+		if ids[row] != stmt.ColumnInt(0) {
+			t.Errorf("got %d, want %d", stmt.ColumnInt(0), ids[row])
+		}
+		if names[row] != stmt.ColumnText(1) {
+			t.Errorf("got %q, want %q", stmt.ColumnText(1), names[row])
+		}
+	}
+	if err := stmt.Err(); err != nil {
+		t.Fatal(err)
+	}
+	if row != 3 {
+		t.Errorf("got %d rows, want %d", row, len(ids))
+	}
+
+	err = stmt.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = db.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
+}