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validator_test.go
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validator_test.go
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package main
import (
"io/ioutil"
"os"
"strings"
"testing"
)
type ValidatorTest struct {
authEmailFileName string
done chan bool
updateSeen bool
}
func NewValidatorTest(t *testing.T) *ValidatorTest {
vt := &ValidatorTest{}
var err error
f, err := ioutil.TempFile("", "test_auth_emails_")
if err != nil {
t.Fatalf("failed to create temp file: %v", err)
}
if err := f.Close(); err != nil {
t.Fatalf("failed to close temp file: %v", err)
}
vt.authEmailFileName = f.Name()
vt.done = make(chan bool, 1)
return vt
}
func (vt *ValidatorTest) TearDown() {
vt.done <- true
os.Remove(vt.authEmailFileName)
}
func (vt *ValidatorTest) NewValidator(domains []string,
updated chan<- bool) func(string) bool {
return newValidatorImpl(domains, vt.authEmailFileName,
vt.done, func() {
if vt.updateSeen == false {
updated <- true
vt.updateSeen = true
}
})
}
func (vt *ValidatorTest) WriteEmails(t *testing.T, emails []string) {
f, err := os.OpenFile(vt.authEmailFileName, os.O_WRONLY, 0600)
if err != nil {
t.Fatalf("failed to open auth email file: %v", err)
}
if _, err := f.WriteString(strings.Join(emails, "\n")); err != nil {
t.Fatalf("failed to write emails to auth email file: %v", err)
}
if err := f.Close(); err != nil {
t.Fatalf("failed to close auth email file: %v", err)
}
}
func TestValidatorEmpty(t *testing.T) {
vt := NewValidatorTest(t)
defer vt.TearDown()
vt.WriteEmails(t, []string(nil))
domains := []string(nil)
validator := vt.NewValidator(domains, nil)
if validator("foo.bar@example.com") {
t.Error("nothing should validate when the email and " +
"domain lists are empty")
}
}
func TestValidatorSingleEmail(t *testing.T) {
vt := NewValidatorTest(t)
defer vt.TearDown()
vt.WriteEmails(t, []string{"foo.bar@example.com"})
domains := []string(nil)
validator := vt.NewValidator(domains, nil)
if !validator("foo.bar@example.com") {
t.Error("email should validate")
}
if validator("baz.quux@example.com") {
t.Error("email from same domain but not in list " +
"should not validate when domain list is empty")
}
}
func TestValidatorSingleDomain(t *testing.T) {
vt := NewValidatorTest(t)
defer vt.TearDown()
vt.WriteEmails(t, []string(nil))
domains := []string{"example.com"}
validator := vt.NewValidator(domains, nil)
if !validator("foo.bar@example.com") {
t.Error("email should validate")
}
if !validator("baz.quux@example.com") {
t.Error("email from same domain should validate")
}
}
func TestValidatorMultipleEmailsMultipleDomains(t *testing.T) {
vt := NewValidatorTest(t)
defer vt.TearDown()
vt.WriteEmails(t, []string{
"xyzzy@example.com",
"plugh@example.com",
})
domains := []string{"example0.com", "example1.com"}
validator := vt.NewValidator(domains, nil)
if !validator("foo.bar@example0.com") {
t.Error("email from first domain should validate")
}
if !validator("baz.quux@example1.com") {
t.Error("email from second domain should validate")
}
if !validator("xyzzy@example.com") {
t.Error("first email in list should validate")
}
if !validator("plugh@example.com") {
t.Error("second email in list should validate")
}
if validator("xyzzy.plugh@example.com") {
t.Error("email not in list that matches no domains " +
"should not validate")
}
}
func TestValidatorComparisonsAreCaseInsensitive(t *testing.T) {
vt := NewValidatorTest(t)
defer vt.TearDown()
vt.WriteEmails(t, []string{"Foo.Bar@Example.Com"})
domains := []string{"Frobozz.Com"}
validator := vt.NewValidator(domains, nil)
if !validator("foo.bar@example.com") {
t.Error("loaded email addresses are not lower-cased")
}
if !validator("Foo.Bar@Example.Com") {
t.Error("validated email addresses are not lower-cased")
}
if !validator("foo.bar@frobozz.com") {
t.Error("loaded domains are not lower-cased")
}
if !validator("foo.bar@Frobozz.Com") {
t.Error("validated domains are not lower-cased")
}
}
func TestValidatorIgnoreSpacesInAuthEmails(t *testing.T) {
vt := NewValidatorTest(t)
defer vt.TearDown()
vt.WriteEmails(t, []string{" foo.bar@example.com "})
domains := []string(nil)
validator := vt.NewValidator(domains, nil)
if !validator("foo.bar@example.com") {
t.Error("email should validate")
}
}
func TestValidatorOverwriteEmailListDirectly(t *testing.T) {
vt := NewValidatorTest(t)
defer vt.TearDown()
vt.WriteEmails(t, []string{
"xyzzy@example.com",
"plugh@example.com",
})
domains := []string(nil)
updated := make(chan bool)
validator := vt.NewValidator(domains, updated)
if !validator("xyzzy@example.com") {
t.Error("first email in list should validate")
}
if !validator("plugh@example.com") {
t.Error("second email in list should validate")
}
if validator("xyzzy.plugh@example.com") {
t.Error("email not in list that matches no domains " +
"should not validate")
}
vt.WriteEmails(t, []string{
"xyzzy.plugh@example.com",
"plugh@example.com",
})
<-updated
if validator("xyzzy@example.com") {
t.Error("email removed from list should not validate")
}
if !validator("plugh@example.com") {
t.Error("email retained in list should validate")
}
if !validator("xyzzy.plugh@example.com") {
t.Error("email added to list should validate")
}
}