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// Copyright 2022 Google LLC
//
// 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 types
import (
"fmt"
"reflect"
"testing"
"github.com/google/cel-go/common/types/ref"
)
func TestOptionalOptionalOf(t *testing.T) {
opt := OptionalOf(IntOne)
if !opt.HasValue() {
t.Error("OptionalOf(1) returned result with a value")
}
}
func TestOptionalGetValue(t *testing.T) {
opt := OptionalOf(IntOne)
if opt.GetValue() != IntOne {
t.Errorf("opt.GetValue() got %v, wanted 1", opt.GetValue())
}
if !IsError(OptionalNone.GetValue()) {
t.Errorf("OptionalNone.GetValue() got %v, wanted error", OptionalNone.GetValue())
}
}
func TestOptionalConvertToNative(t *testing.T) {
out, err := OptionalNone.ConvertToNative(reflect.TypeOf(1))
if err == nil {
t.Errorf("OptionalNone.GetValue() got %v, wanted error", out)
}
out, err = OptionalOf(String("hello")).ConvertToNative(reflect.TypeOf(""))
if err != nil {
t.Fatalf("OptionalOf('hello').ConvertToNative(string) failed: %v", err)
}
if out != "hello" {
t.Errorf("OptionalOf('hello').ConvertToNative(string) got %v, wanted 'hello'", out)
}
}
func TestOptionalConvertToType(t *testing.T) {
if OptionalNone.ConvertToType(OptionalType) != OptionalNone {
t.Errorf("ConvertToType(OptionalType) got %v, wanted optional", OptionalNone.ConvertToType(OptionalType))
}
if OptionalNone.ConvertToType(TypeType) != OptionalType {
t.Errorf("ConvertToType(TypeType) got %v, wanted a type", OptionalNone.ConvertToType(TypeType))
}
if !IsError(OptionalNone.ConvertToType(ErrType)) {
t.Errorf("ConvertToType(ErrType) got %v, wanted error", OptionalNone.ConvertToType(ErrType))
}
}
func TestOptionalEqual(t *testing.T) {
tests := []struct {
a ref.Val
b ref.Val
out Bool
}{
{
a: OptionalNone,
b: OptionalNone,
out: True,
},
{
a: IntOne,
b: OptionalNone,
out: False,
},
{
a: IntOne,
b: OptionalNone,
out: False,
},
{
a: OptionalOf(IntOne),
b: OptionalNone,
out: False,
},
{
a: OptionalNone,
b: OptionalOf(IntOne),
out: False,
},
{
a: OptionalOf(IntOne),
b: OptionalOf(Double(0.0)),
out: False,
},
{
a: OptionalOf(IntOne),
b: OptionalOf(Double(1.0)),
out: True,
},
}
for i, tst := range tests {
tc := tst
t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
if tc.a.Equal(tc.b) != tc.out {
t.Errorf("%v.Equal(%v) got %v, wanted %v", tc.a, tc.b, !tc.out, tc.out)
}
})
}
}
func TestOptionalType(t *testing.T) {
if OptionalOf(False).Type() != OptionalType {
t.Errorf("OptionalOf(false).Type() got %v, wanted optional", OptionalOf(False).Type())
}
}
func TestOptionalValue(t *testing.T) {
if OptionalOf(False).Value() != false {
t.Errorf("OptionalOf(false).Value() got %v, wanted false", OptionalOf(False).Value())
}
if OptionalNone.Value() != nil {
t.Errorf("OptionalNone.Value() got %v, wanted nil", OptionalNone.Value())
}
}
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