396 lines
6.4 KiB
Go
396 lines
6.4 KiB
Go
// Copyright (C) 2016 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package util
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import (
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"testing"
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)
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type Defaulter struct {
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Value string
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}
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func (d *Defaulter) ParseDefault(v string) error {
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*d = Defaulter{Value: v}
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return nil
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}
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func TestSetDefaults(t *testing.T) {
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x := &struct {
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A string `default:"string"`
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B int `default:"2"`
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C float64 `default:"2.2"`
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D bool `default:"true"`
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E Defaulter `default:"defaulter"`
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}{}
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if x.A != "" {
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t.Error("string failed")
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} else if x.B != 0 {
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t.Error("int failed")
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} else if x.C != 0 {
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t.Errorf("float failed")
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} else if x.D {
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t.Errorf("bool failed")
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} else if x.E.Value != "" {
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t.Errorf("defaulter failed")
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}
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SetDefaults(x)
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if x.A != "string" {
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t.Error("string failed")
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} else if x.B != 2 {
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t.Error("int failed")
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} else if x.C != 2.2 {
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t.Errorf("float failed")
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} else if !x.D {
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t.Errorf("bool failed")
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} else if x.E.Value != "defaulter" {
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t.Errorf("defaulter failed")
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}
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}
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func TestUniqueStrings(t *testing.T) {
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tests := []struct {
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input []string
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expected []string
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}{
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{
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[]string{"a", "b"},
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[]string{"a", "b"},
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},
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{
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[]string{"a", "a"},
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[]string{"a"},
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},
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{
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[]string{"a", "a", "a", "a"},
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[]string{"a"},
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},
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{
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nil,
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nil,
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},
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{
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[]string{" a ", " a ", "b ", " b"},
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[]string{"a", "b"},
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},
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}
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for _, test := range tests {
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result := UniqueTrimmedStrings(test.input)
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if len(result) != len(test.expected) {
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t.Errorf("%s != %s", result, test.expected)
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}
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for i := range result {
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if test.expected[i] != result[i] {
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t.Errorf("%s != %s", result, test.expected)
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}
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}
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}
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}
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func TestFillNillSlices(t *testing.T) {
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// Nil
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x := &struct {
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A []string `default:"a,b"`
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}{}
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if x.A != nil {
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t.Error("not nil")
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}
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if err := FillNilSlices(x); err != nil {
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t.Error(err)
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}
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if len(x.A) != 2 {
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t.Error("length")
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}
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// Already provided
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y := &struct {
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A []string `default:"c,d,e"`
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}{[]string{"a", "b"}}
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if len(y.A) != 2 {
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t.Error("length")
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}
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if err := FillNilSlices(y); err != nil {
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t.Error(err)
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}
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if len(y.A) != 2 {
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t.Error("length")
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}
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// Non-nil but empty
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z := &struct {
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A []string `default:"c,d,e"`
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}{[]string{}}
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if len(z.A) != 0 {
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t.Error("length")
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}
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if err := FillNilSlices(z); err != nil {
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t.Error(err)
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}
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if len(z.A) != 0 {
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t.Error("length")
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}
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}
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func TestAddress(t *testing.T) {
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tests := []struct {
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network string
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host string
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result string
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}{
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{"tcp", "google.com", "tcp://google.com"},
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{"foo", "google", "foo://google"},
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{"123", "456", "123://456"},
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}
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for _, test := range tests {
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result := Address(test.network, test.host)
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if result != test.result {
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t.Errorf("%s != %s", result, test.result)
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}
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}
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}
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func TestCopyMatching(t *testing.T) {
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type Nested struct {
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A int
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}
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type Test struct {
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CopyA int
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CopyB []string
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CopyC Nested
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CopyD *Nested
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NoCopy int `restart:"true"`
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}
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from := Test{
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CopyA: 1,
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CopyB: []string{"friend", "foe"},
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CopyC: Nested{
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A: 2,
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},
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CopyD: &Nested{
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A: 3,
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},
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NoCopy: 4,
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}
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to := Test{
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CopyA: 11,
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CopyB: []string{"foot", "toe"},
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CopyC: Nested{
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A: 22,
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},
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CopyD: &Nested{
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A: 33,
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},
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NoCopy: 44,
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}
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// Copy empty fields
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CopyMatchingTag(&from, &to, "restart", func(v string) bool {
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return v != "true"
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})
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if to.CopyA != 1 {
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t.Error("CopyA")
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}
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if len(to.CopyB) != 2 || to.CopyB[0] != "friend" || to.CopyB[1] != "foe" {
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t.Error("CopyB")
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}
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if to.CopyC.A != 2 {
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t.Error("CopyC")
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}
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if to.CopyD.A != 3 {
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t.Error("CopyC")
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}
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if to.NoCopy != 44 {
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t.Error("NoCopy")
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}
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}
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type mockedAddr struct {
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network string
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addr string
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}
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func (a mockedAddr) Network() string {
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return a.network
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}
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func (a mockedAddr) String() string {
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return a.addr
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}
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func TestInspecifiedAddressLess(t *testing.T) {
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cases := []struct {
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netA string
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addrA string
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netB string
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addrB string
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}{
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// B is assumed the winner.
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{"tcp", "127.0.0.1:1234", "tcp", ":1235"},
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{"tcp", "127.0.0.1:1234", "tcp", "0.0.0.0:1235"},
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{"tcp4", "0.0.0.0:1234", "tcp", "0.0.0.0:1235"}, // tcp4 on the first one
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}
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for i, testCase := range cases {
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addrs := []mockedAddr{
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{testCase.netA, testCase.addrA},
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{testCase.netB, testCase.addrB},
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}
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if AddressUnspecifiedLess(addrs[0], addrs[1]) {
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t.Error(i, "unexpected")
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}
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if !AddressUnspecifiedLess(addrs[1], addrs[0]) {
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t.Error(i, "unexpected")
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}
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if AddressUnspecifiedLess(addrs[0], addrs[0]) || AddressUnspecifiedLess(addrs[1], addrs[1]) {
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t.Error(i, "unexpected")
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}
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}
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}
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func TestFillNil(t *testing.T) {
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type A struct {
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Slice []int
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Map map[string]string
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Chan chan int
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}
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type B struct {
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Slice *[]int
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Map *map[string]string
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Chan *chan int
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}
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type C struct {
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A A
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B *B
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D *****[]int
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}
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c := C{}
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FillNil(&c)
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if c.A.Slice == nil {
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t.Error("c.A.Slice")
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}
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if c.A.Map == nil {
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t.Error("c.A.Slice")
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}
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if c.A.Chan == nil {
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t.Error("c.A.Chan")
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}
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if c.B == nil {
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t.Error("c.B")
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}
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if c.B.Slice == nil {
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t.Error("c.B.Slice")
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}
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if c.B.Map == nil {
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t.Error("c.B.Slice")
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}
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if c.B.Chan == nil {
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t.Error("c.B.Chan")
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}
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if *c.B.Slice == nil {
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t.Error("*c.B.Slice")
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}
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if *c.B.Map == nil {
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t.Error("*c.B.Slice")
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}
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if *c.B.Chan == nil {
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t.Error("*c.B.Chan")
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}
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if *****c.D == nil {
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t.Error("c.D")
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}
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}
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func TestFillNilDoesNotBulldozeSetFields(t *testing.T) {
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type A struct {
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Slice []int
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Map map[string]string
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Chan chan int
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}
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type B struct {
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Slice *[]int
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Map *map[string]string
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Chan *chan int
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}
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type C struct {
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A A
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B *B
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D **[]int
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}
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ch := make(chan int, 10)
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d := make([]int, 10)
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dd := &d
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c := C{
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A: A{
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Slice: []int{1},
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Map: map[string]string{
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"k": "v",
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},
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Chan: make(chan int, 10),
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},
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B: &B{
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Slice: &[]int{1},
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Map: &map[string]string{
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"k": "v",
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},
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Chan: &ch,
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},
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D: &dd,
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}
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FillNil(&c)
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if len(c.A.Slice) != 1 {
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t.Error("c.A.Slice")
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}
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if len(c.A.Map) != 1 {
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t.Error("c.A.Slice")
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}
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if cap(c.A.Chan) != 10 {
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t.Error("c.A.Chan")
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}
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if c.B == nil {
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t.Error("c.B")
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}
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if len(*c.B.Slice) != 1 {
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t.Error("c.B.Slice")
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}
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if len(*c.B.Map) != 1 {
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t.Error("c.B.Slice")
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}
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if cap(*c.B.Chan) != 10 {
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t.Error("c.B.Chan")
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}
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if cap(**c.D) != 10 {
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t.Error("c.D")
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}
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}
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