forked from juju/schema
/
schema_test.go
499 lines (387 loc) · 15.2 KB
/
schema_test.go
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// Copyright 2011, 2012, 2013 Canonical Ltd.
// Licensed under the LGPLv3, see LICENCE file for details.
package schema_test
import (
"math"
gc "launchpad.net/gocheck"
"github.com/juju/schema"
)
type S struct {
baseSuite
}
var _ = gc.Suite(&S{})
func (s *S) TestConst(c *gc.C) {
s.sch = schema.Const("foo")
out, err := s.sch.Coerce("foo", aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, "foo")
out, err = s.sch.Coerce(42, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected "foo", got int\(42\)`)
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected "foo", got nothing`)
}
func (s *S) TestAny(c *gc.C) {
s.sch = schema.Any()
out, err := s.sch.Coerce("foo", aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, "foo")
out, err = s.sch.Coerce(nil, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, nil)
}
func (s *S) TestOneOf(c *gc.C) {
s.sch = schema.OneOf(schema.Const("foo"), schema.Const(42))
out, err := s.sch.Coerce("foo", aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, "foo")
out, err = s.sch.Coerce(42, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, 42)
out, err = s.sch.Coerce("bar", aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: unexpected value "bar"`)
}
func (s *S) TestBool(c *gc.C) {
s.sch = schema.Bool()
for _, trueValue := range []interface{}{true, "1", "true", "True", "TRUE"} {
out, err := s.sch.Coerce(trueValue, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, true)
}
for _, falseValue := range []interface{}{false, "0", "false", "False", "FALSE"} {
out, err := s.sch.Coerce(falseValue, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, false)
}
out, err := s.sch.Coerce(42, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected bool, got int\(42\)`)
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected bool, got nothing")
}
func (s *S) TestInt(c *gc.C) {
s.sch = schema.Int()
out, err := s.sch.Coerce(42, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, int64(42))
out, err = s.sch.Coerce(int8(42), aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, int64(42))
out, err = s.sch.Coerce("42", aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, int64(42))
out, err = s.sch.Coerce(true, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected int, got bool\(true\)`)
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected int, got nothing")
}
func (s *S) TestForceInt(c *gc.C) {
s.sch = schema.ForceInt()
out, err := s.sch.Coerce(42, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, int(42))
out, err = s.sch.Coerce("42", aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, int(42))
out, err = s.sch.Coerce("42.66", aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, int(42))
out, err = s.sch.Coerce(int8(42), aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, int(42))
out, err = s.sch.Coerce(float32(42), aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, int(42))
out, err = s.sch.Coerce(float64(42), aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, int(42))
out, err = s.sch.Coerce(42.66, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, int(42))
// If an out of range value is provided, that value is truncated,
// generating unexpected results, but no error is raised.
out, err = s.sch.Coerce(float64(math.MaxInt64+1), aPath)
c.Assert(err, gc.IsNil)
out, err = s.sch.Coerce(true, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected number, got bool\(true\)`)
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected number, got nothing")
}
func (s *S) TestFloat(c *gc.C) {
s.sch = schema.Float()
out, err := s.sch.Coerce(float32(1.0), aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, float64(1.0))
out, err = s.sch.Coerce(float64(1.0), aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, float64(1.0))
out, err = s.sch.Coerce(true, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected float, got bool\(true\)`)
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected float, got nothing")
}
func (s *S) TestString(c *gc.C) {
s.sch = schema.String()
out, err := s.sch.Coerce("foo", aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, "foo")
out, err = s.sch.Coerce(true, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected string, got bool\(true\)`)
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected string, got nothing")
}
func (s *S) TestSimpleRegexp(c *gc.C) {
s.sch = schema.SimpleRegexp()
out, err := s.sch.Coerce("[0-9]+", aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, "[0-9]+")
out, err = s.sch.Coerce(1, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected regexp string, got int\(1\)`)
out, err = s.sch.Coerce("[", aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected valid regexp, got string\("\["\)`)
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected regexp string, got nothing`)
}
func (s *S) TestList(c *gc.C) {
s.sch = schema.List(schema.Int())
out, err := s.sch.Coerce([]int8{1, 2}, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.DeepEquals, []interface{}{int64(1), int64(2)})
out, err = s.sch.Coerce(42, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected list, got int\\(42\\)")
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected list, got nothing")
out, err = s.sch.Coerce([]interface{}{1, true}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>\[1\]: expected int, got bool\(true\)`)
}
func (s *S) TestMap(c *gc.C) {
s.sch = schema.Map(schema.String(), schema.Int())
out, err := s.sch.Coerce(map[string]interface{}{"a": 1, "b": int8(2)}, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.DeepEquals, map[interface{}]interface{}{"a": int64(1), "b": int64(2)})
out, err = s.sch.Coerce(42, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected map, got int\\(42\\)")
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected map, got nothing")
out, err = s.sch.Coerce(map[int]int{1: 1}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected string, got int\\(1\\)")
out, err = s.sch.Coerce(map[string]bool{"a": true}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>\.a: expected int, got bool\(true\)`)
// First path entry shouldn't have dots in an error message.
out, err = s.sch.Coerce(map[string]bool{"a": true}, nil)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `a: expected int, got bool\(true\)`)
// Error should work even when path is nil.
out, err = s.sch.Coerce(nil, nil)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `expected map, got nothing`)
}
func (s *S) TestStringMap(c *gc.C) {
s.sch = schema.StringMap(schema.Int())
out, err := s.sch.Coerce(map[string]interface{}{"a": 1, "b": int8(2)}, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.DeepEquals, map[string]interface{}{"a": int64(1), "b": int64(2)})
out, err = s.sch.Coerce(42, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected map, got int\\(42\\)")
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected map, got nothing")
out, err = s.sch.Coerce(map[int]int{1: 1}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected string, got int\\(1\\)")
out, err = s.sch.Coerce(map[string]bool{"a": true}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>\.a: expected int, got bool\(true\)`)
// First path entry shouldn't have dots in an error message.
out, err = s.sch.Coerce(map[string]bool{"a": true}, nil)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `a: expected int, got bool\(true\)`)
}
func assertFieldMap(c *gc.C, sch schema.Checker) {
out, err := sch.Coerce(map[string]interface{}{"a": "A", "b": "B"}, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.DeepEquals, map[string]interface{}{"a": "A", "b": "B", "c": "C"})
out, err = sch.Coerce(42, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected map, got int\\(42\\)")
out, err = sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected map, got nothing")
out, err = sch.Coerce(map[string]interface{}{"a": "A", "b": "C"}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>\.b: expected "B", got string\("C"\)`)
out, err = sch.Coerce(map[string]interface{}{"b": "B"}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>\.a: expected "A", got nothing`)
// b is optional
out, err = sch.Coerce(map[string]interface{}{"a": "A"}, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.DeepEquals, map[string]interface{}{"a": "A", "c": "C"})
// First path entry shouldn't have dots in an error message.
out, err = sch.Coerce(map[string]bool{"a": true}, nil)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `a: expected "A", got bool\(true\)`)
}
func (s *S) TestFieldMapBasic(c *gc.C) {
fields := schema.Fields{
"a": schema.Const("A"),
"b": schema.Const("B"),
"c": schema.Const("C"),
}
defaults := schema.Defaults{
"b": schema.Omit,
"c": "C",
}
s.sch = schema.FieldMap(fields, defaults)
assertFieldMap(c, s.sch)
out, err := s.sch.Coerce(map[string]interface{}{"a": "A", "b": "B", "d": "D"}, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.DeepEquals, map[string]interface{}{"a": "A", "b": "B", "c": "C"})
out, err = s.sch.Coerce(map[string]interface{}{"a": "A", "d": "D"}, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.DeepEquals, map[string]interface{}{"a": "A", "c": "C"})
out, err = s.sch.Coerce(123, aPath)
c.Assert(err, gc.ErrorMatches, `<path>: expected map, got int\(123\)`)
c.Assert(out, gc.Equals, nil)
out, err = s.sch.Coerce(map[int]string{}, aPath)
c.Assert(err, gc.ErrorMatches, `<path>: expected map\[string], got map\[int]string\(map\[int]string{}\)`)
c.Assert(out, gc.Equals, nil)
type strKey string
out, err = s.sch.Coerce(map[strKey]string{"a": "A"}, aPath)
c.Assert(err, gc.ErrorMatches, `<path>: expected map\[string], got map\[schema_test\.strKey]string\(map\[schema_test.strKey]string{"a":"A"}\)`)
c.Assert(out, gc.Equals, nil)
}
func (s *S) TestFieldMapInterfaceKey(c *gc.C) {
fields := schema.Fields{
"a": schema.Const("A"),
}
s.sch = schema.FieldMap(fields, nil)
out, err := s.sch.Coerce(map[interface{}]interface{}{"a": "A"}, aPath)
c.Assert(err, gc.IsNil)
c.Check(out, gc.DeepEquals, map[string]interface{}{"a": "A"})
_, err = s.sch.Coerce(map[interface{}]interface{}{1: "A"}, aPath)
c.Check(err, gc.ErrorMatches, `<path>: expected map\[string], got map\[interface {}]interface {}\(map\[interface {}]interface {}{1:"A"}\)`)
}
func (s *S) TestFieldMapDefaultInvalid(c *gc.C) {
fields := schema.Fields{
"a": schema.Const("A"),
}
defaults := schema.Defaults{
"a": "B",
}
s.sch = schema.FieldMap(fields, defaults)
_, err := s.sch.Coerce(map[string]interface{}{}, aPath)
c.Assert(err, gc.ErrorMatches, `<path>.a: expected "A", got string\("B"\)`)
}
func (s *S) TestStrictFieldMap(c *gc.C) {
fields := schema.Fields{
"a": schema.Const("A"),
"b": schema.Const("B"),
"c": schema.Const("C"),
}
defaults := schema.Defaults{
"b": schema.Omit,
"c": "C",
}
s.sch = schema.StrictFieldMap(fields, defaults)
assertFieldMap(c, s.sch)
out, err := s.sch.Coerce(map[string]interface{}{"a": "A", "b": "B", "d": "D"}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: unknown key "d" \(value "D"\)`)
out, err = s.sch.Coerce(map[string]interface{}{"a": "A", "b": "B", "d": "D"}, nil)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `unknown key "d" \(value "D"\)`)
}
func (s *S) TestSchemaMap(c *gc.C) {
fields1 := schema.FieldMap(schema.Fields{
"type": schema.Const(1),
"a": schema.Const(2),
}, nil)
fields2 := schema.FieldMap(schema.Fields{
"type": schema.Const(3),
"b": schema.Const(4),
}, nil)
s.sch = schema.FieldMapSet("type", []schema.Checker{fields1, fields2})
out, err := s.sch.Coerce(map[string]int{"type": 1, "a": 2}, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.DeepEquals, map[string]interface{}{"type": 1, "a": 2})
out, err = s.sch.Coerce(map[string]int{"type": 3, "b": 4}, aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.DeepEquals, map[string]interface{}{"type": 3, "b": 4})
out, err = s.sch.Coerce(map[string]int{}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>\.type: expected supported selector, got nothing`)
out, err = s.sch.Coerce(map[string]int{"type": 2}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>\.type: expected supported selector, got int\(2\)`)
out, err = s.sch.Coerce(map[string]int{"type": 3, "b": 5}, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>\.b: expected 4, got int\(5\)`)
out, err = s.sch.Coerce(42, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected map, got int\(42\)`)
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected map, got nothing`)
// First path entry shouldn't have dots in an error message.
out, err = s.sch.Coerce(map[string]int{"a": 1}, nil)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `type: expected supported selector, got nothing`)
}
func (s *S) TestUUID(c *gc.C) {
s.sch = schema.UUID()
out, err := s.sch.Coerce("6216dfc3-6e82-408f-9f74-8565e63e6158", aPath)
c.Assert(err, gc.IsNil)
c.Assert(out, gc.Equals, "6216dfc3-6e82-408f-9f74-8565e63e6158")
out, err = s.sch.Coerce("uuid", aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, `<path>: expected uuid, got string\(\"uuid\"\)`)
out, err = s.sch.Coerce(nil, aPath)
c.Assert(out, gc.IsNil)
c.Assert(err, gc.ErrorMatches, "<path>: expected uuid, got nothing")
}
func (s *S) TestStringified(c *gc.C) {
s.sch = schema.Stringified()
out, err := s.sch.Coerce(true, aPath)
c.Assert(err, gc.IsNil)
c.Check(out, gc.Equals, "true")
out, err = s.sch.Coerce(10, aPath)
c.Assert(err, gc.IsNil)
c.Check(out, gc.Equals, "10")
out, err = s.sch.Coerce(1.1, aPath)
c.Assert(err, gc.IsNil)
c.Check(out, gc.Equals, "1.1")
out, err = s.sch.Coerce("spam", aPath)
c.Assert(err, gc.IsNil)
c.Check(out, gc.Equals, "spam")
_, err = s.sch.Coerce(map[string]string{}, aPath)
c.Check(err, gc.ErrorMatches, ".* unexpected value .*")
_, err = s.sch.Coerce([]string{}, aPath)
c.Check(err, gc.ErrorMatches, ".* unexpected value .*")
s.sch = schema.Stringified(schema.StringMap(schema.String()))
out, err = s.sch.Coerce(map[string]string{"a": "b"}, aPath)
c.Assert(err, gc.IsNil)
c.Check(out, gc.Equals, `map[string]string{"a":"b"}`)
}