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package main
import (
"crypto/rand"
"fmt"
"io/ioutil"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestReadProjects(t *testing.T) {
setUpTests()
d := make(domains)
err := d.ReadGroups("test.io")
require.NoError(t, err)
var domains []string
for domain := range d {
domains = append(domains, domain)
}
expectedDomains := []string{
"group.test.io",
"group.internal.test.io",
"test.domain.com", // from config.json
"other.domain.com",
"domain.404.com",
"group.404.test.io",
"group.https-only.test.io",
"test.my-domain.com",
"test2.my-domain.com",
"no.cert.com",
}
for _, expected := range domains {
assert.Contains(t, domains, expected)
}
for _, actual := range domains {
assert.Contains(t, expectedDomains, actual)
}
// Check that multiple domains in the same project are recorded faithfully
exp1 := &domainConfig{Domain: "test.domain.com"}
assert.Equal(t, exp1, d["test.domain.com"].Config)
exp2 := &domainConfig{Domain: "other.domain.com", Certificate: "test", Key: "key"}
assert.Equal(t, exp2, d["other.domain.com"].Config)
}
// This write must be atomic, otherwise we cannot predict the state of the
// domain watcher goroutine. We cannot use ioutil.WriteFile because that
// has a race condition where the file is empty, which can get picked up
// by the domain watcher.
func writeRandomTimestamp(t *testing.T) {
b := make([]byte, 10)
n, _ := rand.Read(b)
require.True(t, n > 0, "read some random bytes")
temp, err := ioutil.TempFile(".", "TestWatchDomains")
require.NoError(t, err)
_, err = temp.Write(b)
require.NoError(t, err, "write to tempfile")
require.NoError(t, temp.Close(), "close tempfile")
require.NoError(t, os.Rename(temp.Name(), updateFile), "rename tempfile")
}
func TestWatchDomains(t *testing.T) {
setUpTests()
require.NoError(t, os.RemoveAll(updateFile))
update := make(chan domains)
go watchDomains("gitlab.io", func(domains domains) {
update <- domains
}, time.Microsecond*50)
defer os.Remove(updateFile)
domains := recvTimeout(t, update)
assert.NotNil(t, domains, "if the domains are fetched on start")
writeRandomTimestamp(t)
domains = recvTimeout(t, update)
assert.NotNil(t, domains, "if the domains are updated after the creation")
writeRandomTimestamp(t)
domains = recvTimeout(t, update)
assert.NotNil(t, domains, "if the domains are updated after the timestamp change")
}
func recvTimeout(t *testing.T, ch <-chan domains) domains {
timeout := 5 * time.Second
select {
case d := <-ch:
return d
case <-time.After(timeout):
t.Fatalf("timeout after %v waiting for domain update", timeout)
return nil
}
}
func BenchmarkReadGroups(b *testing.B) {
testRoot, err := ioutil.TempDir("", "gitlab-pages-test")
require.NoError(b, err)
cwd, err := os.Getwd()
require.NoError(b, err)
defer func(oldWd, testWd string) {
os.Chdir(oldWd)
fmt.Printf("cleaning up test directory %s\n", testWd)
os.RemoveAll(testWd)
}(cwd, testRoot)
require.NoError(b, os.Chdir(testRoot))
nGroups := 10000
b.Logf("creating fake domains directory with %d groups", nGroups)
for i := 0; i < nGroups; i++ {
for j := 0; j < 5; j++ {
dir := fmt.Sprintf("%s/group-%d/project-%d", testRoot, i, j)
require.NoError(b, os.MkdirAll(dir+"/public", 0755))
fakeConfig := fmt.Sprintf(`{"Domains":[{"Domain":"foo.%d.%d.example.io","Certificate":"bar","Key":"baz"}]}`, i, j)
require.NoError(b, ioutil.WriteFile(dir+"/config.json", []byte(fakeConfig), 0644))
}
if i%100 == 0 {
fmt.Print(".")
}
}
b.Run("ReadGroups", func(b *testing.B) {
var testDomains domains
for i := 0; i < 2; i++ {
testDomains = domains(make(map[string]*domain))
require.NoError(b, testDomains.ReadGroups("example.com"))
}
b.Logf("found %d domains", len(testDomains))
})
}
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