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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 modfetch
import (
"testing"
"time"
)
var pseudoTests = []struct {
major string
older string
version string
}{
{"", "", "v0.0.0-20060102150405-hash"},
{"v0", "", "v0.0.0-20060102150405-hash"},
{"v1", "", "v1.0.0-20060102150405-hash"},
{"v2", "", "v2.0.0-20060102150405-hash"},
{"unused", "v0.0.0", "v0.0.1-0.20060102150405-hash"},
{"unused", "v1.2.3", "v1.2.4-0.20060102150405-hash"},
{"unused", "v1.2.99999999999999999", "v1.2.100000000000000000-0.20060102150405-hash"},
{"unused", "v1.2.3-pre", "v1.2.3-pre.0.20060102150405-hash"},
{"unused", "v1.3.0-pre", "v1.3.0-pre.0.20060102150405-hash"},
{"unused", "v0.0.0--", "v0.0.0--.0.20060102150405-hash"},
{"unused", "v1.0.0+metadata", "v1.0.1-0.20060102150405-hash+metadata"},
{"unused", "v2.0.0+incompatible", "v2.0.1-0.20060102150405-hash+incompatible"},
{"unused", "v2.3.0-pre+incompatible", "v2.3.0-pre.0.20060102150405-hash+incompatible"},
}
var pseudoTime = time.Date(2006, 1, 2, 15, 4, 5, 0, time.UTC)
func TestPseudoVersion(t *testing.T) {
for _, tt := range pseudoTests {
v := PseudoVersion(tt.major, tt.older, pseudoTime, "hash")
if v != tt.version {
t.Errorf("PseudoVersion(%q, %q, ...) = %v, want %v", tt.major, tt.older, v, tt.version)
}
}
}
func TestIsPseudoVersion(t *testing.T) {
for _, tt := range pseudoTests {
if !IsPseudoVersion(tt.version) {
t.Errorf("IsPseudoVersion(%q) = false, want true", tt.version)
}
if IsPseudoVersion(tt.older) {
t.Errorf("IsPseudoVersion(%q) = true, want false", tt.older)
}
}
}
func TestPseudoVersionTime(t *testing.T) {
for _, tt := range pseudoTests {
tm, err := PseudoVersionTime(tt.version)
if tm != pseudoTime || err != nil {
t.Errorf("PseudoVersionTime(%q) = %v, %v, want %v, nil", tt.version, tm.Format(time.RFC3339), err, pseudoTime.Format(time.RFC3339))
}
tm, err = PseudoVersionTime(tt.older)
if tm != (time.Time{}) || err == nil {
t.Errorf("PseudoVersionTime(%q) = %v, %v, want %v, error", tt.older, tm.Format(time.RFC3339), err, time.Time{}.Format(time.RFC3339))
}
}
}
func TestInvalidPseudoVersionTime(t *testing.T) {
const v = "---"
if _, err := PseudoVersionTime(v); err == nil {
t.Error("expected error, got nil instead")
}
}
func TestPseudoVersionRev(t *testing.T) {
for _, tt := range pseudoTests {
rev, err := PseudoVersionRev(tt.version)
if rev != "hash" || err != nil {
t.Errorf("PseudoVersionRev(%q) = %q, %v, want %q, nil", tt.older, rev, err, "hash")
}
rev, err = PseudoVersionRev(tt.older)
if rev != "" || err == nil {
t.Errorf("PseudoVersionRev(%q) = %q, %v, want %q, error", tt.older, rev, err, "")
}
}
}
func TestPseudoVersionBase(t *testing.T) {
for _, tt := range pseudoTests {
base, err := PseudoVersionBase(tt.version)
if err != nil {
t.Errorf("PseudoVersionBase(%q): %v", tt.version, err)
} else if base != tt.older {
t.Errorf("PseudoVersionBase(%q) = %q; want %q", tt.version, base, tt.older)
}
}
}
func TestInvalidPseudoVersionBase(t *testing.T) {
for _, in := range []string{
"v0.0.0",
"v0.0.0-", // malformed: empty prerelease
"v0.0.0-0.20060102150405-hash", // Z+1 == 0
"v0.1.0-0.20060102150405-hash", // Z+1 == 0
"v1.0.0-0.20060102150405-hash", // Z+1 == 0
"v0.0.0-20060102150405-hash+incompatible", // "+incompatible without base version
"v0.0.0-20060102150405-hash+metadata", // other metadata without base version
} {
base, err := PseudoVersionBase(in)
if err == nil || base != "" {
t.Errorf(`PseudoVersionBase(%q) = %q, %v; want "", error`, in, base, err)
}
}
}
func TestIncDecimal(t *testing.T) {
cases := []struct {
in, want string
}{
{"0", "1"},
{"1", "2"},
{"99", "100"},
{"100", "101"},
{"101", "102"},
}
for _, tc := range cases {
got := incDecimal(tc.in)
if got != tc.want {
t.Fatalf("incDecimal(%q) = %q; want %q", tc.in, tc.want, got)
}
}
}
func TestDecDecimal(t *testing.T) {
cases := []struct {
in, want string
}{
{"", ""},
{"0", ""},
{"00", ""},
{"1", "0"},
{"2", "1"},
{"99", "98"},
{"100", "99"},
{"101", "100"},
}
for _, tc := range cases {
got := decDecimal(tc.in)
if got != tc.want {
t.Fatalf("decDecimal(%q) = %q; want %q", tc.in, tc.want, got)
}
}
}
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