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// Copyright 2019 CUE Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package convert_test
import (
"math/big"
"reflect"
"testing"
"time"
"github.com/cockroachdb/apd/v2"
"github.com/google/go-cmp/cmp"
_ "cuelang.org/go/cue" // set internal.CoreValue
"cuelang.org/go/cue/errors"
"cuelang.org/go/internal/core/adt"
"cuelang.org/go/internal/core/convert"
"cuelang.org/go/internal/core/debug"
"cuelang.org/go/internal/core/eval"
"cuelang.org/go/internal/core/runtime"
)
func mkBigInt(a int64) (v apd.Decimal) { v.SetInt64(a); return }
func TestConvert(t *testing.T) {
i34 := big.NewInt(34)
d35 := mkBigInt(35)
n36 := mkBigInt(-36)
f37 := big.NewFloat(37.0000)
testCases := []struct {
goVal interface{}
want string
}{{
nil, "_",
}, {
true, "true",
}, {
false, "false",
}, {
errors.New("oh noes"), "_|_(oh noes)",
}, {
"foo", `"foo"`,
}, {
"\x80", `_|_(cannot convert result to string: invalid UTF-8)`,
}, {
3, "3",
}, {
uint(3), "3",
}, {
uint8(3), "3",
}, {
uint16(3), "3",
}, {
uint32(3), "3",
}, {
uint64(3), "3",
}, {
int8(-3), "-3",
}, {
int16(-3), "-3",
}, {
int32(-3), "-3",
}, {
int64(-3), "-3",
}, {
float64(3.1), "3.1",
}, {
float32(3.1), "3.1",
}, {
uintptr(3), "3",
}, {
&i34, "34",
}, {
&f37, "37",
}, {
&d35, "35",
}, {
&n36, "-36",
}, {
[]int{1, 2, 3, 4}, `(#list){
0: (int){ 1 }
1: (int){ 2 }
2: (int){ 3 }
3: (int){ 4 }
}`,
}, {
struct {
A int
B *int
}{3, nil},
"(struct){\n A: (int){ 3 }\n}",
}, {
[]interface{}{}, "(#list){\n}",
}, {
[]interface{}{nil}, "(#list){\n 0: (_){ _ }\n}",
}, {
map[string]interface{}{"a": 1, "x": nil}, `(struct){
a: (int){ 1 }
x: (_){ _ }
}`,
}, {
map[string][]int{
"a": {1},
"b": {3, 4},
}, `(struct){
a: (#list){
0: (int){ 1 }
}
b: (#list){
0: (int){ 3 }
1: (int){ 4 }
}
}`,
}, {
map[bool]int{}, "_|_(unsupported Go type for map key (bool))",
}, {
map[struct{}]int{{}: 2}, "_|_(unsupported Go type for map key (struct {}))",
}, {
map[int]int{1: 2}, `(struct){
"1": (int){ 2 }
}`,
}, {
struct {
a int
b int
}{3, 4},
"(struct){\n}",
}, {
struct {
A int
B int `json:"-"`
C int `json:",omitempty"`
}{3, 4, 0},
`(struct){
A: (int){ 3 }
}`,
}, {
struct {
A int
B int
}{3, 4},
`(struct){
A: (int){ 3 }
B: (int){ 4 }
}`,
}, {
struct {
A int `json:"a"`
B int `yaml:"b"`
}{3, 4},
`(struct){
a: (int){ 3 }
b: (int){ 4 }
}`,
}, {
struct {
A int `json:"" yaml:"" protobuf:"aa"`
B int `yaml:"cc" json:"bb" protobuf:"aa"`
}{3, 4},
`(struct){
aa: (int){ 3 }
bb: (int){ 4 }
}`,
}, {
&struct{ A int }{3}, `(struct){
A: (int){ 3 }
}`,
}, {
(*struct{ A int })(nil), "_",
}, {
reflect.ValueOf(3), "3",
}, {
time.Date(2019, 4, 1, 0, 0, 0, 0, time.UTC), `(string){ "2019-04-01T00:00:00Z" }`,
}}
r := runtime.New()
for _, tc := range testCases {
e := eval.New(r)
ctx := adt.NewContext(r, e, &adt.Vertex{})
t.Run("", func(t *testing.T) {
v := convert.GoValueToValue(ctx, tc.goVal, true)
got := debug.NodeString(ctx, v, nil)
if got != tc.want {
t.Error(cmp.Diff(got, tc.want))
}
})
}
}
func TestX(t *testing.T) {
t.Skip()
x := []string{}
r := runtime.New()
e := eval.New(r)
ctx := adt.NewContext(r, e, &adt.Vertex{})
v := convert.GoValueToValue(ctx, x, false)
// if err != nil {
// t.Fatal(err)
// }
got := debug.NodeString(ctx, v, nil)
t.Error(got)
}
func TestConvertType(t *testing.T) {
testCases := []struct {
goTyp interface{}
want string
}{{
struct {
A int `cue:">=0&<100"`
B *big.Int `cue:">=0"`
C *big.Int
D big.Int
F *big.Float
}{},
// TODO: indicate that B is explicitly an int only.
`{
A: (((int & >=-9223372036854775808) & <=9223372036854775807) & (>=0 & <100))
B: (int & >=0)
C?: int
D: int
F?: number
}`,
}, {
&struct {
A int16 `cue:">=0&<100"`
B error `json:"b,"`
C string
D bool
F float64
L []byte
T time.Time
G func()
}{},
`(*null|{
A: (((int & >=-32768) & <=32767) & (>=0 & <100))
b: null
C: string
D: bool
F: number
L?: (*null|bytes)
T: _
})`,
}, {
struct {
A int `cue:"<"` // invalid
}{},
"_|_(invalid tag \"<\" for field \"A\": expected operand, found 'EOF' (and 1 more errors))",
}, {
struct {
A int `json:"-"` // skip
D *apd.Decimal
P ***apd.Decimal
I interface{ Foo() }
T string `cue:""` // allowed
h int
}{},
`{
D?: number
P?: (*null|number)
I?: _
T: (string & _)
}`,
}, {
struct {
A int8 `cue:"C-B"`
B int8 `cue:"C-A,opt"`
C int8 `cue:"A+B"`
}{},
// TODO: should B be marked as optional?
`{
A: (((int & >=-128) & <=127) & (〈0;C〉 - 〈0;B〉))
B?: (((int & >=-128) & <=127) & (〈0;C〉 - 〈0;A〉))
C: (((int & >=-128) & <=127) & (〈0;A〉 + 〈0;B〉))
}`,
}, {
[]string{},
`(*null|[
...string,
])`,
}, {
[4]string{},
`(4 * [
string,
])`,
}, {
[]func(){},
"_|_(unsupported Go type (func()))",
}, {
map[string]struct{ A map[string]uint }{},
`(*null|{
[string]: {
A?: (*null|{
[string]: ((int & >=0) & <=18446744073709551615)
})
}
})`,
}, {
map[float32]int{},
`_|_(unsupported Go type for map key (float32))`,
}, {
map[int]map[float32]int{},
`_|_(unsupported Go type for map key (float32))`,
}, {
map[int]func(){},
`_|_(unsupported Go type (func()))`,
}, {
time.Now, // a function
"_|_(unsupported Go type (func() time.Time))",
}}
r := runtime.New()
for _, tc := range testCases {
t.Run("", func(t *testing.T) {
e := eval.New(r)
ctx := adt.NewContext(r, e, &adt.Vertex{})
v, _ := convert.GoTypeToExpr(ctx, tc.goTyp)
got := debug.NodeString(ctx, v, nil)
if got != tc.want {
t.Errorf("\n got %q;\nwant %q", got, tc.want)
}
})
}
}