5ebff7da57
Signed-off-by: Alexandr Morozov <lk4d4@docker.com>
134 lines
3 KiB
Go
134 lines
3 KiB
Go
package etchosts
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import (
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"bytes"
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"io/ioutil"
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"os"
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"testing"
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)
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func TestBuildDefault(t *testing.T) {
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file, err := ioutil.TempFile("", "")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(file.Name())
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// check that /etc/hosts has consistent ordering
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for i := 0; i <= 5; i++ {
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err = Build(file.Name(), "", "", "", nil)
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if err != nil {
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t.Fatal(err)
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}
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content, err := ioutil.ReadFile(file.Name())
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if err != nil {
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t.Fatal(err)
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}
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expected := "127.0.0.1\tlocalhost\n::1\tlocalhost ip6-localhost ip6-loopback\nfe00::0\tip6-localnet\nff00::0\tip6-mcastprefix\nff02::1\tip6-allnodes\nff02::2\tip6-allrouters\n"
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if expected != string(content) {
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t.Fatalf("Expected to find '%s' got '%s'", expected, content)
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}
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}
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}
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func TestBuildHostnameDomainname(t *testing.T) {
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file, err := ioutil.TempFile("", "")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(file.Name())
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err = Build(file.Name(), "10.11.12.13", "testhostname", "testdomainname", nil)
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if err != nil {
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t.Fatal(err)
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}
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content, err := ioutil.ReadFile(file.Name())
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if err != nil {
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t.Fatal(err)
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}
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if expected := "10.11.12.13\ttesthostname.testdomainname testhostname\n"; !bytes.Contains(content, []byte(expected)) {
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t.Fatalf("Expected to find '%s' got '%s'", expected, content)
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}
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}
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func TestBuildHostname(t *testing.T) {
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file, err := ioutil.TempFile("", "")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(file.Name())
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err = Build(file.Name(), "10.11.12.13", "testhostname", "", nil)
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if err != nil {
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t.Fatal(err)
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}
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content, err := ioutil.ReadFile(file.Name())
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if err != nil {
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t.Fatal(err)
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}
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if expected := "10.11.12.13\ttesthostname\n"; !bytes.Contains(content, []byte(expected)) {
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t.Fatalf("Expected to find '%s' got '%s'", expected, content)
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}
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}
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func TestBuildNoIP(t *testing.T) {
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file, err := ioutil.TempFile("", "")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(file.Name())
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err = Build(file.Name(), "", "testhostname", "", nil)
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if err != nil {
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t.Fatal(err)
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}
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content, err := ioutil.ReadFile(file.Name())
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if err != nil {
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t.Fatal(err)
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}
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if expected := ""; !bytes.Contains(content, []byte(expected)) {
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t.Fatalf("Expected to find '%s' got '%s'", expected, content)
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}
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}
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func TestUpdate(t *testing.T) {
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file, err := ioutil.TempFile("", "")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(file.Name())
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if err := Build(file.Name(), "10.11.12.13", "testhostname", "testdomainname", nil); err != nil {
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t.Fatal(err)
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}
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content, err := ioutil.ReadFile(file.Name())
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if err != nil {
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t.Fatal(err)
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}
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if expected := "10.11.12.13\ttesthostname.testdomainname testhostname\n"; !bytes.Contains(content, []byte(expected)) {
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t.Fatalf("Expected to find '%s' got '%s'", expected, content)
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}
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if err := Update(file.Name(), "1.1.1.1", "testhostname"); err != nil {
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t.Fatal(err)
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}
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content, err = ioutil.ReadFile(file.Name())
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if err != nil {
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t.Fatal(err)
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}
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if expected := "1.1.1.1\ttesthostname.testdomainname testhostname\n"; !bytes.Contains(content, []byte(expected)) {
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t.Fatalf("Expected to find '%s' got '%s'", expected, content)
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}
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}
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