first-commit

modules/base/natural_sort_test.go

@@ -0,0 +1,45 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package base
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNaturalSortLess(t *testing.T) {
+	testLess := func(s1, s2 string) {
+		assert.True(t, NaturalSortLess(s1, s2), "s1<s2 should be true: s1=%q, s2=%q", s1, s2)
+		assert.False(t, NaturalSortLess(s2, s1), "s2<s1 should be false: s1=%q, s2=%q", s1, s2)
+	}
+	testEqual := func(s1, s2 string) {
+		assert.False(t, NaturalSortLess(s1, s2), "s1<s2 should be false: s1=%q, s2=%q", s1, s2)
+		assert.False(t, NaturalSortLess(s2, s1), "s2<s1 should be false: s1=%q, s2=%q", s1, s2)
+	}
+
+	testEqual("", "")
+	testLess("", "a")
+	testLess("", "1")
+
+	testLess("v1.2", "v1.2.0")
+	testLess("v1.2.0", "v1.10.0")
+	testLess("v1.20.0", "v1.29.0")
+	testEqual("v1.20.0", "v1.20.0")
+
+	testLess("a", "A")
+	testLess("a", "B")
+	testLess("A", "b")
+	testLess("A", "ab")
+
+	testLess("abc", "bcd")
+	testLess("a-1-a", "a-1-b")
+	testLess("2", "12")
+
+	testLess("cafe", "café")
+	testLess("café", "caff")
+
+	testLess("A-2", "A-11")
+	testLess("0.txt", "1.txt")
+}