Function TestModuleBuilder_Basic

module_test.go:15–71

============================================================================= BASIC MODULE FUNCTIONALITY TESTS =============================================================================

(t *testing.T)

// =============================================================================

func TestModuleBuilder_Basic(t *testing.T) {
	useStableOwnerHooksForLegacySubtests(t)

	rt := NewRuntime()
	defer rt.Close()
	ctx := rt.NewContext()
	defer ctx.Close()

	t.Run("ModuleWithExports", func(t *testing.T) {
		addFunc := ctx.NewFunction(func(ctx *Context, this *Value, args []*Value) *Value {
			if len(args) >= 2 {
				return ctx.NewFloat64(args[0].ToFloat64() + args[1].ToFloat64())
			}
			return ctx.NewFloat64(0)
		})

		module := NewModuleBuilder("math").
			Export("PI", ctx.NewFloat64(3.14159)).
			Export("add", addFunc).
			Export("version", ctx.NewString("1.0.0")).
			Export("default", ctx.NewString("Math Module"))

		err := module.Build(ctx)
		require.NoError(t, err)

		result := ctx.Eval(`
            (async function() {
                const { PI, add, version } = await import('math');
                return add(PI, 1.0);
            })()
        `, EvalAwait(true))
		defer result.Free()

		require.False(t, result.IsException())
		require.InDelta(t, 4.14159, result.ToFloat64(), 0.0001)
	})

	t.Run("DefaultExport", func(t *testing.T) {
		module := NewModuleBuilder("default-test").
			Export("default", ctx.NewString("Default Export Value")).
			Export("name", ctx.NewString("test"))

		err := module.Build(ctx)
		require.NoError(t, err)

		result := ctx.Eval(`
            (async function() {
                const defaultValue = await import('default-test');
                return defaultValue.default;
            })()
        `, EvalAwait(true))
		defer result.Free()

		require.False(t, result.IsException())
		require.Equal(t, "Default Export Value", result.ToString())
	})
}