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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package semver
import (
"strings"
"testing"
)
var tests = []struct {
in string
out string
}{
{"bad", ""},
{"v1-alpha.beta.gamma", ""},
{"v1-pre", ""},
{"v1+meta", ""},
{"v1-pre+meta", ""},
{"v1.2-pre", ""},
{"v1.2+meta", ""},
{"v1.2-pre+meta", ""},
{"v1.0.0-alpha", "v1.0.0-alpha"},
{"v1.0.0-alpha.1", "v1.0.0-alpha.1"},
{"v1.0.0-alpha.beta", "v1.0.0-alpha.beta"},
{"v1.0.0-beta", "v1.0.0-beta"},
{"v1.0.0-beta.2", "v1.0.0-beta.2"},
{"v1.0.0-beta.11", "v1.0.0-beta.11"},
{"v1.0.0-rc.1", "v1.0.0-rc.1"},
{"v1", "v1.0.0"},
{"v1.0", "v1.0.0"},
{"v1.0.0", "v1.0.0"},
{"v1.2", "v1.2.0"},
{"v1.2.0", "v1.2.0"},
{"v1.2.3-456", "v1.2.3-456"},
{"v1.2.3-456.789", "v1.2.3-456.789"},
{"v1.2.3-456-789", "v1.2.3-456-789"},
{"v1.2.3-456a", "v1.2.3-456a"},
{"v1.2.3-pre", "v1.2.3-pre"},
{"v1.2.3-pre+meta", "v1.2.3-pre"},
{"v1.2.3-pre.1", "v1.2.3-pre.1"},
{"v1.2.3-zzz", "v1.2.3-zzz"},
{"v1.2.3", "v1.2.3"},
{"v1.2.3+meta", "v1.2.3"},
{"v1.2.3+meta-pre", "v1.2.3"},
}
func TestIsValid(t *testing.T) {
for _, tt := range tests {
ok := IsValid(tt.in)
if ok != (tt.out != "") {
t.Errorf("IsValid(%q) = %v, want %v", tt.in, ok, !ok)
}
}
}
func TestCanonical(t *testing.T) {
for _, tt := range tests {
out := Canonical(tt.in)
if out != tt.out {
t.Errorf("Canonical(%q) = %q, want %q", tt.in, out, tt.out)
}
}
}
func TestMajor(t *testing.T) {
for _, tt := range tests {
out := Major(tt.in)
want := ""
if i := strings.Index(tt.out, "."); i >= 0 {
want = tt.out[:i]
}
if out != want {
t.Errorf("Major(%q) = %q, want %q", tt.in, out, want)
}
}
}
func TestMajorMinor(t *testing.T) {
for _, tt := range tests {
out := MajorMinor(tt.in)
var want string
if tt.out != "" {
want = tt.in
if i := strings.Index(want, "+"); i >= 0 {
want = want[:i]
}
if i := strings.Index(want, "-"); i >= 0 {
want = want[:i]
}
switch strings.Count(want, ".") {
case 0:
want += ".0"
case 1:
// ok
case 2:
want = want[:strings.LastIndex(want, ".")]
}
}
if out != want {
t.Errorf("MajorMinor(%q) = %q, want %q", tt.in, out, want)
}
}
}
func TestPrerelease(t *testing.T) {
for _, tt := range tests {
pre := Prerelease(tt.in)
var want string
if tt.out != "" {
if i := strings.Index(tt.out, "-"); i >= 0 {
want = tt.out[i:]
}
}
if pre != want {
t.Errorf("Prerelease(%q) = %q, want %q", tt.in, pre, want)
}
}
}
func TestBuild(t *testing.T) {
for _, tt := range tests {
build := Build(tt.in)
var want string
if tt.out != "" {
if i := strings.Index(tt.in, "+"); i >= 0 {
want = tt.in[i:]
}
}
if build != want {
t.Errorf("Build(%q) = %q, want %q", tt.in, build, want)
}
}
}
func TestCompare(t *testing.T) {
for i, ti := range tests {
for j, tj := range tests {
cmp := Compare(ti.in, tj.in)
var want int
if ti.out == tj.out {
want = 0
} else if i < j {
want = -1
} else {
want = +1
}
if cmp != want {
t.Errorf("Compare(%q, %q) = %d, want %d", ti.in, tj.in, cmp, want)
}
}
}
}
func TestMax(t *testing.T) {
for i, ti := range tests {
for j, tj := range tests {
max := Max(ti.in, tj.in)
want := Canonical(ti.in)
if i < j {
want = Canonical(tj.in)
}
if max != want {
t.Errorf("Max(%q, %q) = %q, want %q", ti.in, tj.in, max, want)
}
}
}
}
var (
v1 = "v1.0.0+metadata-dash"
v2 = "v1.0.0+metadata-dash1"
)
func BenchmarkCompare(b *testing.B) {
for i := 0; i < b.N; i++ {
if Compare(v1, v2) != 0 {
b.Fatalf("bad compare")
}
}
}
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