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zot/pkg/test/common_test.go

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//go:build sync && scrub && metrics && search
// +build sync,scrub,metrics,search
package test_test
import (
"context"
"encoding/json"
"os"
"path"
"testing"
"github.com/opencontainers/go-digest"
ispec "github.com/opencontainers/image-spec/specs-go/v1"
. "github.com/smartystreets/goconvey/convey"
"zotregistry.io/zot/pkg/api"
"zotregistry.io/zot/pkg/api/config"
"zotregistry.io/zot/pkg/test"
)
func TestCopyFiles(t *testing.T) {
Convey("sourceDir does not exist", t, func() {
err := test.CopyFiles("/path/to/some/unexisting/directory", os.TempDir())
So(err, ShouldNotBeNil)
})
Convey("destDir is a file", t, func() {
dir := t.TempDir()
err := test.CopyFiles("../../test/data", dir)
if err != nil {
panic(err)
}
err = test.CopyFiles(dir, "/etc/passwd")
So(err, ShouldNotBeNil)
})
Convey("sourceDir does not have read permissions", t, func() {
dir := t.TempDir()
err := os.Chmod(dir, 0o300)
So(err, ShouldBeNil)
err = test.CopyFiles(dir, os.TempDir())
So(err, ShouldNotBeNil)
})
Convey("sourceDir has a subfolder that does not have read permissions", t, func() {
dir := t.TempDir()
sdir := "subdir"
err := os.Mkdir(path.Join(dir, sdir), 0o300)
So(err, ShouldBeNil)
err = test.CopyFiles(dir, os.TempDir())
So(err, ShouldNotBeNil)
})
Convey("sourceDir has a file that does not have read permissions", t, func() {
dir := t.TempDir()
filePath := path.Join(dir, "file.txt")
err := os.WriteFile(filePath, []byte("some dummy file content"), 0o644) //nolint: gosec
if err != nil {
panic(err)
}
err = os.Chmod(filePath, 0o300)
So(err, ShouldBeNil)
err = test.CopyFiles(dir, os.TempDir())
So(err, ShouldNotBeNil)
})
}
func TestGetOciLayoutDigests(t *testing.T) {
dir := t.TempDir()
Convey("image path is wrong", t, func() {
So(func() { _, _, _ = test.GetOciLayoutDigests("inexistent-image") }, ShouldPanic)
})
Convey("no permissions when getting index", t, func() {
err := test.CopyFiles("../../test/data/zot-test", path.Join(dir, "test-index"))
if err != nil {
panic(err)
}
err = os.Chmod(path.Join(dir, "test-index", "index.json"), 0o000)
if err != nil {
panic(err)
}
So(func() { _, _, _ = test.GetOciLayoutDigests(path.Join(dir, "test-index")) }, ShouldPanic)
err = os.Chmod(path.Join(dir, "test-index", "index.json"), 0o755)
if err != nil {
panic(err)
}
})
Convey("can't access manifest digest", t, func() {
err := test.CopyFiles("../../test/data/zot-test", path.Join(dir, "test-manifest"))
if err != nil {
panic(err)
}
buf, err := os.ReadFile(path.Join(dir, "test-manifest", "index.json"))
if err != nil {
panic(err)
}
var index ispec.Index
if err := json.Unmarshal(buf, &index); err != nil {
panic(err)
}
err = os.Chmod(path.Join(dir, "test-manifest", "blobs/sha256", index.Manifests[0].Digest.Encoded()), 0o000)
if err != nil {
panic(err)
}
So(func() { _, _, _ = test.GetOciLayoutDigests(path.Join(dir, "test-manifest")) }, ShouldPanic)
err = os.Chmod(path.Join(dir, "test-manifest", "blobs/sha256", index.Manifests[0].Digest.Encoded()), 0o755)
if err != nil {
panic(err)
}
})
}
func TestGetImageComponents(t *testing.T) {
Convey("Inject failures for unreachable lines", t, func() {
injected := test.InjectFailure(0)
if injected {
_, _, _, err := test.GetImageComponents(100)
So(err, ShouldNotBeNil)
}
})
Convey("finishes successfully", t, func() {
_, _, _, err := test.GetImageComponents(100)
So(err, ShouldBeNil)
})
}
func TestUploadImage(t *testing.T) {
Convey("Post request results in an error", t, func() {
port := test.GetFreePort()
baseURL := test.GetBaseURL(port)
conf := config.New()
conf.HTTP.Port = port
conf.Storage.RootDirectory = t.TempDir()
img := test.Image{
Layers: make([][]byte, 10),
}
err := test.UploadImage(img, baseURL, "test")
So(err, ShouldNotBeNil)
})
Convey("Post request status differs from accepted", t, func() {
port := test.GetFreePort()
baseURL := test.GetBaseURL(port)
tempDir := t.TempDir()
conf := config.New()
conf.HTTP.Port = port
conf.Storage.RootDirectory = tempDir
err := os.Chmod(tempDir, 0o400)
if err != nil {
t.Fatal(err)
}
ctlr := api.NewController(conf)
go startServer(ctlr)
defer stopServer(ctlr)
test.WaitTillServerReady(baseURL)
img := test.Image{
Layers: make([][]byte, 10),
}
err = test.UploadImage(img, baseURL, "test")
So(err, ShouldNotBeNil)
})
Convey("Put request results in an error", t, func() {
port := test.GetFreePort()
baseURL := test.GetBaseURL(port)
conf := config.New()
conf.HTTP.Port = port
conf.Storage.RootDirectory = t.TempDir()
ctlr := api.NewController(conf)
go startServer(ctlr)
defer stopServer(ctlr)
test.WaitTillServerReady(baseURL)
img := test.Image{
Layers: make([][]byte, 10), // invalid format that will result in an error
Config: ispec.Image{},
}
err := test.UploadImage(img, baseURL, "test")
So(err, ShouldNotBeNil)
})
Convey("Image uploaded successfully", t, func() {
port := test.GetFreePort()
baseURL := test.GetBaseURL(port)
conf := config.New()
conf.HTTP.Port = port
conf.Storage.RootDirectory = t.TempDir()
ctlr := api.NewController(conf)
go startServer(ctlr)
defer stopServer(ctlr)
test.WaitTillServerReady(baseURL)
layerBlob := []byte("test")
img := test.Image{
Layers: [][]byte{
layerBlob,
}, // invalid format that will result in an error
Config: ispec.Image{},
}
err := test.UploadImage(img, baseURL, "test")
So(err, ShouldBeNil)
})
Convey("Blob upload wrong response status code", t, func() {
port := test.GetFreePort()
baseURL := test.GetBaseURL(port)
tempDir := t.TempDir()
conf := config.New()
conf.HTTP.Port = port
conf.Storage.RootDirectory = tempDir
ctlr := api.NewController(conf)
go startServer(ctlr)
defer stopServer(ctlr)
test.WaitTillServerReady(baseURL)
layerBlob := []byte("test")
layerBlobDigest := digest.FromBytes(layerBlob)
layerPath := path.Join(tempDir, "test", "blobs", "sha256")
if _, err := os.Stat(layerPath); os.IsNotExist(err) {
err = os.MkdirAll(layerPath, 0o700)
if err != nil {
t.Fatal(err)
}
file, err := os.Create(path.Join(layerPath, layerBlobDigest.Encoded()))
if err != nil {
t.Fatal(err)
}
err = os.Chmod(layerPath, 0o000)
if err != nil {
t.Fatal(err)
}
defer func() {
err = os.Chmod(layerPath, 0o700)
if err != nil {
t.Fatal(err)
}
os.RemoveAll(file.Name())
}()
}
img := test.Image{
Layers: [][]byte{
layerBlob,
}, // invalid format that will result in an error
Config: ispec.Image{},
}
err := test.UploadImage(img, baseURL, "test")
So(err, ShouldNotBeNil)
})
Convey("CreateBlobUpload wrong response status code", t, func() {
port := test.GetFreePort()
baseURL := test.GetBaseURL(port)
tempDir := t.TempDir()
conf := config.New()
conf.HTTP.Port = port
conf.Storage.RootDirectory = tempDir
ctlr := api.NewController(conf)
go startServer(ctlr)
defer stopServer(ctlr)
test.WaitTillServerReady(baseURL)
layerBlob := []byte("test")
img := test.Image{
Layers: [][]byte{
layerBlob,
}, // invalid format that will result in an error
Config: ispec.Image{},
}
Convey("CreateBlobUpload", func() {
injected := test.InjectFailure(2)
if injected {
err := test.UploadImage(img, baseURL, "test")
So(err, ShouldNotBeNil)
}
})
Convey("UpdateBlobUpload", func() {
injected := test.InjectFailure(4)
if injected {
err := test.UploadImage(img, baseURL, "test")
So(err, ShouldNotBeNil)
}
})
})
}
func TestInjectUploadImage(t *testing.T) {
Convey("Inject failures for unreachable lines", t, func() {
port := test.GetFreePort()
baseURL := test.GetBaseURL(port)
tempDir := t.TempDir()
conf := config.New()
conf.HTTP.Port = port
conf.Storage.RootDirectory = tempDir
ctlr := api.NewController(conf)
go startServer(ctlr)
defer stopServer(ctlr)
test.WaitTillServerReady(baseURL)
layerBlob := []byte("test")
layerPath := path.Join(tempDir, "test", ".uploads")
if _, err := os.Stat(layerPath); os.IsNotExist(err) {
err = os.MkdirAll(layerPath, 0o700)
if err != nil {
t.Fatal(err)
}
}
img := test.Image{
Layers: [][]byte{
layerBlob,
}, // invalid format that will result in an error
Config: ispec.Image{},
}
Convey("first marshal", func() {
injected := test.InjectFailure(0)
if injected {
err := test.UploadImage(img, baseURL, "test")
So(err, ShouldNotBeNil)
}
})
Convey("CreateBlobUpload POST call", func() {
injected := test.InjectFailure(1)
if injected {
err := test.UploadImage(img, baseURL, "test")
So(err, ShouldNotBeNil)
}
})
Convey("UpdateBlobUpload PUT call", func() {
injected := test.InjectFailure(3)
if injected {
err := test.UploadImage(img, baseURL, "test")
So(err, ShouldNotBeNil)
}
})
Convey("second marshal", func() {
injected := test.InjectFailure(5)
if injected {
err := test.UploadImage(img, baseURL, "test")
So(err, ShouldNotBeNil)
}
})
})
}
func startServer(c *api.Controller) {
// this blocks
ctx := context.Background()
if err := c.Run(ctx); err != nil {
return
}
}
func stopServer(c *api.Controller) {
ctx := context.Background()
_ = c.Server.Shutdown(ctx)
}