/
installercache_test.go
159 lines (136 loc) · 4.73 KB
/
installercache_test.go
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package installercache
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
"time"
"github.com/golang/mock/gomock"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/openshift/assisted-service/internal/oc"
"github.com/sirupsen/logrus"
)
var _ = Describe("installer cache", func() {
var (
ctrl *gomock.Controller
mockRelease *oc.MockRelease
manager *Installers
cacheDir string
)
BeforeEach(func() {
DeleteGracePeriod = 1 * time.Millisecond
ctrl = gomock.NewController(GinkgoT())
mockRelease = oc.NewMockRelease(ctrl)
var err error
cacheDir, err = ioutil.TempDir("/tmp", "cacheDir")
Expect(err).NotTo(HaveOccurred())
Expect(os.Mkdir(filepath.Join(cacheDir, "quay.io"), 0755)).To(Succeed())
Expect(os.Mkdir(filepath.Join(filepath.Join(cacheDir, "quay.io"), "release-dev"), 0755)).To(Succeed())
manager = New(cacheDir, 12, logrus.New())
})
AfterEach(func() {
os.RemoveAll(cacheDir)
})
testGet := func(releaseID string) (string, string) {
workdir := filepath.Join(cacheDir, "quay.io", "release-dev")
fname := filepath.Join(workdir, releaseID)
mockRelease.EXPECT().GetReleaseBinaryPath(
gomock.Any(), gomock.Any()).
Return(workdir, releaseID, fname)
mockRelease.EXPECT().Extract(gomock.Any(), releaseID,
gomock.Any(), cacheDir, gomock.Any()).
DoAndReturn(func(log logrus.FieldLogger, releaseImage string, releaseImageMirror string, cacheDir string, pullSecret string) (string, error) {
err := os.WriteFile(fname, []byte("abcde"), 0600)
return "", err
})
l, err := manager.Get(releaseID, "mirror", "pull-secret", mockRelease)
Expect(err).ShouldNot(HaveOccurred())
time.Sleep(1 * time.Second)
return fname, l.Path
}
It("evicts the oldest file", func() {
r1, l1 := testGet("4.8")
r2, l2 := testGet("4.9")
r3, l3 := testGet("4.10")
By("verify that the oldest file was deleted")
_, err := os.Stat(r1)
Expect(os.IsNotExist(err)).To(BeTrue())
_, err = os.Stat(r2)
Expect(os.IsNotExist(err)).To(BeFalse())
_, err = os.Stat(r3)
Expect(os.IsNotExist(err)).To(BeFalse())
By("verify that the links were purged")
manager.evict()
_, err = os.Stat(l1)
Expect(os.IsNotExist(err)).To(BeTrue())
_, err = os.Stat(l2)
Expect(os.IsNotExist(err)).To(BeTrue())
_, err = os.Stat(l3)
Expect(os.IsNotExist(err)).To(BeTrue())
})
It("exising files access time is updated", func() {
_, _ = testGet("4.8")
r2, _ := testGet("4.9")
r1, _ := testGet("4.8")
r3, _ := testGet("4.10")
By("verify that the oldest file was deleted")
_, err := os.Stat(r1)
Expect(os.IsNotExist(err)).To(BeFalse())
_, err = os.Stat(r2)
Expect(os.IsNotExist(err)).To(BeTrue())
_, err = os.Stat(r3)
Expect(os.IsNotExist(err)).To(BeFalse())
})
It("when cache limit is not set eviction is skipped", func() {
manager.storageCapacity = 0
r1, _ := testGet("4.8")
r2, _ := testGet("4.9")
r3, _ := testGet("4.10")
By("verify that the no file was deleted")
_, err := os.Stat(r1)
Expect(os.IsNotExist(err)).To(BeFalse())
_, err = os.Stat(r2)
Expect(os.IsNotExist(err)).To(BeFalse())
_, err = os.Stat(r3)
Expect(os.IsNotExist(err)).To(BeFalse())
})
It("extracts from the mirror", func() {
releaseID := "4.10-orig"
releaseMirrorID := "4.10-mirror"
workdir := filepath.Join(cacheDir, "quay.io", "release-dev")
fname := filepath.Join(workdir, releaseID)
mockRelease.EXPECT().GetReleaseBinaryPath(
releaseMirrorID, gomock.Any()).
Return(workdir, releaseID, fname)
mockRelease.EXPECT().Extract(gomock.Any(), releaseID,
gomock.Any(), cacheDir, gomock.Any()).
DoAndReturn(func(log logrus.FieldLogger, releaseImage string, releaseImageMirror string, cacheDir string, pullSecret string) (string, error) {
err := os.WriteFile(fname, []byte("abcde"), 0600)
return "", err
})
_, err := manager.Get(releaseID, releaseMirrorID, "pull-secret", mockRelease)
Expect(err).ShouldNot(HaveOccurred())
})
It("extracts without a mirror", func() {
releaseID := "4.10-orig"
releaseMirrorID := ""
workdir := filepath.Join(cacheDir, "quay.io", "release-dev")
fname := filepath.Join(workdir, releaseID)
mockRelease.EXPECT().GetReleaseBinaryPath(
releaseID, gomock.Any()).
Return(workdir, releaseID, fname)
mockRelease.EXPECT().Extract(gomock.Any(), releaseID,
gomock.Any(), cacheDir, gomock.Any()).
DoAndReturn(func(log logrus.FieldLogger, releaseImage string, releaseImageMirror string, cacheDir string, pullSecret string) (string, error) {
err := os.WriteFile(fname, []byte("abcde"), 0600)
return "", err
})
_, err := manager.Get(releaseID, releaseMirrorID, "pull-secret", mockRelease)
Expect(err).ShouldNot(HaveOccurred())
})
})
func TestInstallerCache(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "installercache tests")
}