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config_test.go
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config_test.go
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package main
import (
"fmt"
assert "github.com/stretchr/testify/require"
"os"
"testing"
. "github.com/aerokube/ggr/config"
)
func init() {
verbose = true
}
func TestEmptyListOfHosts(t *testing.T) {
host, index := choose(Hosts{})
assert.Nil(t, host)
assert.Equal(t, index, -1)
}
func TestNothingToChoose(t *testing.T) {
host, index := choose(Hosts{Host{Count: 0}, Host{Count: 0}})
assert.Nil(t, host)
assert.Equal(t, index, -1)
}
func TestChooseFirst(t *testing.T) {
host, index := choose(Hosts{Host{Name: "first", Count: 1}, Host{Name: "mid", Count: 0}, Host{Name: "last", Count: 0}})
assert.Equal(t, host.Name, "first")
assert.Equal(t, index, 0)
}
func TestChooseMid(t *testing.T) {
host, index := choose(Hosts{Host{Name: "first", Count: 0}, Host{Name: "mid", Count: 1}, Host{Name: "last", Count: 0}})
assert.Equal(t, host.Name, "mid")
assert.Equal(t, index, 1)
}
func TestChooseLast(t *testing.T) {
host, index := choose(Hosts{Host{Name: "first", Count: 0}, Host{Name: "mid", Count: 0}, Host{Name: "last", Count: 1}})
assert.Equal(t, host.Name, "last")
assert.Equal(t, index, 2)
}
var (
browsersWithMultipleVersions = &ggrBrowsers{Browsers{Browsers: []Browser{
{Name: "browser", DefaultVersion: "2.0", Versions: []Version{
{Number: "2.0", Regions: []Region{
{Hosts: Hosts{
Host{Name: "browser-2.0"},
}},
}},
{Number: "1.0", Regions: []Region{
{Hosts: Hosts{
Host{Name: "browser-1.0"},
}},
}},
{Number: "", Regions: []Region{
{Hosts: Hosts{
Host{Name: "browser"},
}},
}},
}}}}}
browsersWithMultipleRegions = &ggrBrowsers{Browsers{Browsers: []Browser{
{Name: "browser", DefaultVersion: "1.0", Versions: []Version{
{Number: "1.0", Regions: []Region{
{Name: "e", Hosts: Hosts{
Host{Name: "browser-e-1.0", Port: 4444},
}},
{Name: "f", Hosts: Hosts{
Host{Name: "browser-f-1.0", Port: 4444},
}},
}},
}}}}}
browsersWithMultiplePlatforms = &ggrBrowsers{Browsers{Browsers: []Browser{
{Name: "browser", DefaultVersion: "2.0", DefaultPlatform: "LINUX", Versions: []Version{
{Number: "2.0", Platform: "LINUX", Regions: []Region{
{Hosts: Hosts{
Host{Name: "browser-2.0-linux"},
}},
}},
{Number: "2.0", Platform: "WINDOWS", Regions: []Region{
{Hosts: Hosts{
Host{Name: "browser-2.0-windows"},
}},
}},
}}}}}
)
func TestFindDefaultVersion(t *testing.T) {
hosts, version, _ := browsersWithMultipleVersions.find("browser", "", "", newSet(), newSet())
assert.Equal(t, version, "2.0")
assert.Len(t, hosts, 1)
assert.Equal(t, hosts[0].Name, "browser-2.0")
}
func TestFindVersion(t *testing.T) {
hosts, version, _ := browsersWithMultipleVersions.find("browser", "1.0", "LINUX", newSet(), newSet())
assert.Equal(t, version, "1.0")
assert.Len(t, hosts, 1)
assert.Equal(t, hosts[0].Name, "browser-1.0")
}
func TestFindVersionByPrefix(t *testing.T) {
hosts, version, _ := browsersWithMultipleVersions.find("browser", "1", "", newSet(), newSet())
assert.Equal(t, version, "1.0")
assert.Len(t, hosts, 1)
assert.Equal(t, hosts[0].Name, "browser-1.0")
}
func TestVersionNotFound(t *testing.T) {
hosts, version, _ := browsersWithMultipleVersions.find("browser", "missing", "", newSet(), newSet())
assert.Equal(t, version, "missing")
assert.Empty(t, hosts)
}
func TestFindWithExcludedRegions(t *testing.T) {
hosts, version, _ := browsersWithMultipleRegions.find("browser", "1.0", "", newSet(), newSet("f"))
assert.Equal(t, version, "1.0")
assert.Len(t, hosts, 1)
assert.Equal(t, hosts[0].Name, "browser-e-1.0")
}
func TestFindWithExcludedRegionsExhausted(t *testing.T) {
hosts, _, excludedRegions := browsersWithMultipleRegions.find("browser", "1.0", "", newSet(), newSet("e", "f"))
assert.Len(t, hosts, 2)
assert.Equal(t, excludedRegions.size(), 0)
}
func TestFindWithExcludedHosts(t *testing.T) {
hosts, version, _ := browsersWithMultipleRegions.find("browser", "1.0", "", newSet("browser-e-1.0:4444"), newSet())
assert.Equal(t, version, "1.0")
assert.Len(t, hosts, 1)
assert.Equal(t, hosts[0].Name, "browser-f-1.0")
}
func TestFindWithDefaultPlatform(t *testing.T) {
hosts, version, _ := browsersWithMultiplePlatforms.find("browser", "2.0", "", newSet(), newSet())
assert.Equal(t, version, "2.0")
assert.Len(t, hosts, 1)
assert.Equal(t, hosts[0].Name, "browser-2.0-linux")
}
func TestFindWithAnyPlatform(t *testing.T) {
hosts, version, _ := browsersWithMultiplePlatforms.find("browser", "2.0", "ANY", newSet(), newSet())
assert.Equal(t, version, "2.0")
assert.Len(t, hosts, 1)
assert.Equal(t, hosts[0].Name, "browser-2.0-linux")
}
func TestFindWithPlatform(t *testing.T) {
hosts, version, _ := browsersWithMultiplePlatforms.find("browser", "2.0", "LINUX", newSet(), newSet())
assert.Equal(t, version, "2.0")
assert.Len(t, hosts, 1)
assert.Equal(t, hosts[0].Name, "browser-2.0-linux")
}
func TestFindWithPlatformLowercase(t *testing.T) {
hosts, version, _ := browsersWithMultiplePlatforms.find("browser", "2.0", "windows", newSet(), newSet())
assert.Equal(t, version, "2.0")
assert.Len(t, hosts, 1)
assert.Equal(t, hosts[0].Name, "browser-2.0-windows")
}
func TestFindWithPlatformPrefix(t *testing.T) {
hosts, version, _ := browsersWithMultiplePlatforms.find("browser", "2.0", "WIN", newSet(), newSet())
assert.Equal(t, version, "2.0")
assert.Len(t, hosts, 1)
assert.Equal(t, hosts[0].Name, "browser-2.0-windows")
}
func TestReadNotExistingConfig(t *testing.T) {
tmp, err := os.CreateTemp("", "config")
if err != nil {
t.Fatal(err)
}
err = os.Remove(tmp.Name())
if err != nil {
t.Fatal(err)
}
var browsers Browsers
err = readConfig(tmp.Name(), &browsers)
assert.Error(t, err)
assert.Equal(t, err.Error(), fmt.Sprintf("error reading configuration file %s: open %s: no such file or directory", tmp.Name(), tmp.Name()))
}
func TestParseInvalidConfig(t *testing.T) {
tmp, err := os.CreateTemp("", "config")
defer os.Remove(tmp.Name())
if err != nil {
t.Fatal(err)
}
_, err = tmp.Write([]byte("this is not valid xml"))
if err != nil {
t.Fatal(err)
}
err = tmp.Close()
if err != nil {
t.Fatal(err)
}
var browsers Browsers
err = readConfig(tmp.Name(), &browsers)
assert.Error(t, err)
assert.Equal(t, err.Error(), fmt.Sprintf("error parsing configuration file %s: EOF", tmp.Name()))
}
func TestParseConfig(t *testing.T) {
testParseConfig(t, `<qa:browsers xmlns:qa="urn:config.gridrouter.qatools.ru"><browser name="browser"/></qa:browsers>`)
}
func TestParseConfigWithoutNamespace(t *testing.T) {
testParseConfig(t, `<browsers><browser name="browser"/></browsers>`)
}
func testParseConfig(t *testing.T, config string) {
tmp, err := os.CreateTemp("", "config")
defer os.Remove(tmp.Name())
if err != nil {
t.Fatal(err)
}
_, err = tmp.Write([]byte(config))
if err != nil {
t.Fatal(err)
}
err = tmp.Close()
if err != nil {
t.Fatal(err)
}
var browsers Browsers
err = readConfig(tmp.Name(), &browsers)
assert.NoError(t, err)
assert.Equal(t, browsers.Browsers[0].Name, "browser")
}
func TestConfDirDoesNotExist(t *testing.T) {
err := loadQuotaFiles("missing-dir")
assert.Error(t, err)
}
func TestConcurrentReload(t *testing.T) {
go func() {
_ = loadQuotaFiles("quota")
}()
_ = loadQuotaFiles("quota")
}
func TestChoosingAllHosts(t *testing.T) {
//NOTE: the same weights for all hosts are important!
hosts := Hosts{Host{Name: "first", Count: 1}, Host{Name: "mid", Count: 1}, Host{Name: "last", Count: 1}}
chosenHosts := make(map[string]int)
for i := 0; i < 100; i++ {
host, _ := choose(hosts)
chosenHosts[host.Name]++
}
assert.True(t, chosenHosts["first"] > 0)
assert.True(t, chosenHosts["mid"] > 0)
assert.True(t, chosenHosts["last"] > 0)
}