forgejo/modules/optional/option_test.go

48 lines
1.1 KiB
Go
Raw Normal View History

// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package optional
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestOption(t *testing.T) {
var uninitialized Option[int]
assert.False(t, uninitialized.Has())
assert.Equal(t, int(0), uninitialized.Value())
assert.Equal(t, int(1), uninitialized.ValueOrDefault(1))
none := None[int]()
assert.False(t, none.Has())
assert.Equal(t, int(0), none.Value())
assert.Equal(t, int(1), none.ValueOrDefault(1))
some := Some[int](1)
assert.True(t, some.Has())
assert.Equal(t, int(1), some.Value())
assert.Equal(t, int(1), some.ValueOrDefault(2))
var ptr *int
assert.False(t, FromPtr(ptr).Has())
int1 := 1
opt1 := FromPtr(&int1)
assert.True(t, opt1.Has())
assert.Equal(t, int(1), opt1.Value())
assert.False(t, FromNonDefault("").Has())
opt2 := FromNonDefault("test")
assert.True(t, opt2.Has())
assert.Equal(t, "test", opt2.Value())
assert.False(t, FromNonDefault(0).Has())
opt3 := FromNonDefault(1)
assert.True(t, opt3.Has())
assert.Equal(t, int(1), opt3.Value())
}