1 files changed, 59 insertions, 0 deletions
diff --git a/modules/optional/option_test.go b/modules/optional/option_test.go
new file mode 100644
index 0000000..203e922
--- /dev/null
+++ b/modules/optional/option_test.go
@@ -0,0 +1,59 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package optional_test
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/modules/optional"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestOption(t *testing.T) {
+	var uninitialized optional.Option[int]
+	assert.False(t, uninitialized.Has())
+	assert.Equal(t, int(0), uninitialized.Value())
+	assert.Equal(t, int(1), uninitialized.ValueOrDefault(1))
+
+	none := optional.None[int]()
+	assert.False(t, none.Has())
+	assert.Equal(t, int(0), none.Value())
+	assert.Equal(t, int(1), none.ValueOrDefault(1))
+
+	some := optional.Some(1)
+	assert.True(t, some.Has())
+	assert.Equal(t, int(1), some.Value())
+	assert.Equal(t, int(1), some.ValueOrDefault(2))
+
+	noneBool := optional.None[bool]()
+	assert.False(t, noneBool.Has())
+	assert.False(t, noneBool.Value())
+	assert.True(t, noneBool.ValueOrDefault(true))
+
+	someBool := optional.Some(true)
+	assert.True(t, someBool.Has())
+	assert.True(t, someBool.Value())
+	assert.True(t, someBool.ValueOrDefault(false))
+
+	var ptr *int
+	assert.False(t, optional.FromPtr(ptr).Has())
+
+	int1 := 1
+	opt1 := optional.FromPtr(&int1)
+	assert.True(t, opt1.Has())
+	assert.Equal(t, int(1), opt1.Value())
+
+	assert.False(t, optional.FromNonDefault("").Has())
+
+	opt2 := optional.FromNonDefault("test")
+	assert.True(t, opt2.Has())
+	assert.Equal(t, "test", opt2.Value())
+
+	assert.False(t, optional.FromNonDefault(0).Has())
+
+	opt3 := optional.FromNonDefault(1)
+	assert.True(t, opt3.Has())
+	assert.Equal(t, int(1), opt3.Value())
+}