Exemplo n.º 1
0
func (s *S) TestFloat(c *gc.C) {
	sch := schema.Float()

	out, err := sch.Coerce(float32(1.0), aPath)
	c.Assert(err, gc.IsNil)
	c.Assert(out, gc.Equals, float64(1.0))

	out, err = sch.Coerce(float64(1.0), aPath)
	c.Assert(err, gc.IsNil)
	c.Assert(out, gc.Equals, float64(1.0))

	out, err = sch.Coerce(true, aPath)
	c.Assert(out, gc.IsNil)
	c.Assert(err, gc.ErrorMatches, `<path>: expected float, got bool\(true\)`)

	out, err = sch.Coerce(nil, aPath)
	c.Assert(out, gc.IsNil)
	c.Assert(err, gc.ErrorMatches, "<path>: expected float, got nothing")
}
Exemplo n.º 2
0
		return nil, nil
	}
	defer option.error(&err, name, value)
	if checker := optionTypeCheckers[option.Type]; checker != nil {
		if value, err = checker.Coerce(value, nil); err != nil {
			return nil, err
		}
		return value, nil
	}
	panic(fmt.Errorf("option %q has unknown type %q", name, option.Type))
}

var optionTypeCheckers = map[string]schema.Checker{
	"string":  schema.String(),
	"int":     schema.Int(),
	"float":   schema.Float(),
	"boolean": schema.Bool(),
}

// parse returns an appropriately-typed value for the supplied string, or
// returns an error if it cannot be parsed to the correct type.
func (option Option) parse(name, str string) (_ interface{}, err error) {
	defer option.error(&err, name, str)
	switch option.Type {
	case "string":
		return str, nil
	case "int":
		return strconv.ParseInt(str, 10, 64)
	case "float":
		return strconv.ParseFloat(str, 64)
	case "boolean":