107 lines
1.8 KiB
Go
107 lines
1.8 KiB
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cmpver
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import "testing"
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func TestCompare(t *testing.T) {
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tests := []struct {
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name string
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v1, v2 string
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want int
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}{
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{
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name: "both empty",
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want: 0,
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},
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{
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name: "v1 empty",
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v2: "1.2.3",
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want: -1,
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},
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{
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name: "v2 empty",
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v1: "1.2.3",
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want: 1,
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},
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{
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name: "semver major",
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v1: "2.0.0",
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v2: "1.9.9",
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want: 1,
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},
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{
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name: "semver major",
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v1: "2.0.0",
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v2: "1.9.9",
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want: 1,
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},
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{
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name: "semver minor",
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v1: "1.9.0",
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v2: "1.8.9",
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want: 1,
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},
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{
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name: "semver patch",
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v1: "1.9.9",
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v2: "1.9.8",
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want: 1,
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},
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{
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name: "semver equal",
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v1: "1.9.8",
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v2: "1.9.8",
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want: 0,
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},
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{
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name: "tailscale major",
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v1: "1.0-0",
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v2: "0.97-105",
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want: 1,
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},
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{
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name: "tailscale minor",
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v1: "0.98-0",
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v2: "0.97-105",
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want: 1,
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},
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{
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name: "tailscale patch",
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v1: "0.97-120",
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v2: "0.97-105",
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want: 1,
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},
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{
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name: "tailscale equal",
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v1: "0.97-105",
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v2: "0.97-105",
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want: 0,
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},
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{
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name: "tailscale weird extra field",
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v1: "0.96.1-0", // more fields == larger
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v2: "0.96-105",
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want: 1,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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got := Compare(test.v1, test.v2)
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if got != test.want {
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t.Errorf("Compare(%v, %v) = %v, want %v", test.v1, test.v2, got, test.want)
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}
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// Reversing the comparison should reverse the outcome.
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got2 := Compare(test.v2, test.v1)
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if got2 != -test.want {
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t.Errorf("Compare(%v, %v) = %v, want %v", test.v2, test.v1, got2, -test.want)
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}
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})
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}
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}
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