Fix: resolve gzip detection issue and add comprehensive tests for push.go
- Fix gzip reader creation to handle both seekable and non-seekable readers - Remove unused variable in error handling - Add comprehensive test coverage with push_test.go - Tests include parsing, digest computation, tar extraction, blob upload, manifest upload, gzip detection, and benchmarks - All tests pass and benchmarks show good performance
This commit is contained in:
loveuer
453
tool/oci/push_test.go
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453
tool/oci/push_test.go
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@@ -0,0 +1,453 @@
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package oci
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import (
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"archive/tar"
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"bytes"
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"compress/gzip"
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"context"
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"gitea.loveuer.com/loveuer/upkg/tool"
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)
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func TestParseImageAddress(t *testing.T) {
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tests := []struct {
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name string
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address string
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wantReg string
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wantRepo string
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wantTag string
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wantErr bool
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}{
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{
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name: "valid address with tag",
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address: "localhost:5000/myapp:latest",
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wantReg: "localhost:5000",
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wantRepo: "myapp",
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wantTag: "latest",
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wantErr: false,
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},
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{
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name: "valid address without tag",
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address: "registry.example.com/library/nginx",
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wantReg: "registry.example.com",
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wantRepo: "library/nginx",
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wantTag: "latest",
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wantErr: false,
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},
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{
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name: "valid address with IP",
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address: "192.168.1.1:5000/library/nginx:1.20",
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wantReg: "192.168.1.1:5000",
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wantRepo: "library/nginx",
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wantTag: "1.20",
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wantErr: false,
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},
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{
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name: "invalid address - no slash",
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address: "localhost:5000",
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wantErr: true,
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},
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{
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name: "empty address",
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address: "",
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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gotReg, gotRepo, gotTag, err := parseImageAddress(tt.address)
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if (err != nil) != tt.wantErr {
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t.Errorf("parseImageAddress() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !tt.wantErr {
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if gotReg != tt.wantReg {
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t.Errorf("parseImageAddress() registry = %v, want %v", gotReg, tt.wantReg)
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}
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if gotRepo != tt.wantRepo {
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t.Errorf("parseImageAddress() repository = %v, want %v", gotRepo, tt.wantRepo)
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}
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if gotTag != tt.wantTag {
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t.Errorf("parseImageAddress() tag = %v, want %v", gotTag, tt.wantTag)
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}
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}
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})
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}
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}
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func TestComputeDigest(t *testing.T) {
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data := []byte("test data")
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digest := computeDigest(data)
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if !strings.HasPrefix(digest, "sha256:") {
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t.Errorf("computeDigest() should start with 'sha256:', got %s", digest)
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}
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// Test with same data should produce same digest
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digest2 := computeDigest(data)
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if digest != digest2 {
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t.Errorf("computeDigest() should produce same digest for same data, got %s and %s", digest, digest2)
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}
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// Test with different data should produce different digest
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differentData := []byte("different data")
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digest3 := computeDigest(differentData)
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if digest == digest3 {
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t.Errorf("computeDigest() should produce different digest for different data")
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}
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}
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func TestExtractImageFromTar(t *testing.T) {
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// Create a mock tar file with OCI image structure
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var buf bytes.Buffer
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tw := tar.NewWriter(&buf)
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// Create mock config
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configData := []byte(`{"architecture":"amd64","config":{"Env":["PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"]}}`)
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configDigest := computeDigest(configData)
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// Create mock layer
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layerData := []byte("mock layer data")
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layerDigest := computeDigest(layerData)
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// Create manifest.json
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dockerManifest := []struct {
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Config string `json:"Config"`
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RepoTags []string `json:"RepoTags"`
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Layers []string `json:"Layers"`
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}{
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{
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Config: "config.json",
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RepoTags: []string{"test:latest"},
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Layers: []string{"layer.tar"},
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},
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}
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manifestData, _ := json.Marshal(dockerManifest)
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// Write files to tar
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tw.WriteHeader(&tar.Header{
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Name: "manifest.json",
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Size: int64(len(manifestData)),
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Mode: 0644,
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})
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tw.Write(manifestData)
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tw.WriteHeader(&tar.Header{
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Name: "config.json",
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Size: int64(len(configData)),
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Mode: 0644,
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})
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tw.Write(configData)
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tw.WriteHeader(&tar.Header{
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Name: "layer.tar",
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Size: int64(len(layerData)),
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Mode: 0644,
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})
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tw.Write(layerData)
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tw.Close()
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// Test extraction
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manifest, config, layers, err := extractImageFromTar(&buf)
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if err != nil {
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t.Fatalf("extractImageFromTar() error = %v", err)
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}
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if len(manifest) == 0 {
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t.Error("extractImageFromTar() should return non-empty manifest")
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}
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if config.digest != configDigest {
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t.Errorf("extractImageFromTar() config digest = %v, want %v", config.digest, configDigest)
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}
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if len(layers) != 1 {
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t.Errorf("extractImageFromTar() should return 1 layer, got %d", len(layers))
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}
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if layers[0].digest != layerDigest {
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t.Errorf("extractImageFromTar() layer digest = %v, want %v", layers[0].digest, layerDigest)
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}
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}
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func TestExtractImageFromTarMissingManifest(t *testing.T) {
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// Create a tar file without manifest.json
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var buf bytes.Buffer
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tw := tar.NewWriter(&buf)
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tw.WriteHeader(&tar.Header{
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Name: "somefile.txt",
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Size: 9,
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Mode: 0644,
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})
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tw.Write([]byte("test data"))
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tw.Close()
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// Test extraction should fail
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_, _, _, err := extractImageFromTar(bytes.NewReader(buf.Bytes()))
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if err == nil {
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t.Error("extractImageFromTar() should return error for missing manifest.json")
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}
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if !strings.Contains(err.Error(), "manifest.json not found") {
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t.Errorf("extractImageFromTar() should return manifest not found error, got %v", err)
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}
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}
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func TestWithPushOptions(t *testing.T) {
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opt := &ociUploadOpt{}
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// Test WithPushPlainHTTP
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WithPushPlainHTTP(true)(opt)
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if !opt.PlainHTTP {
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t.Error("WithPushPlainHTTP() should set PlainHTTP to true")
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}
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// Test WithPushSkipTLSVerify
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WithPushSkipTLSVerify(true)(opt)
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if !opt.SkipTLSVerify {
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t.Error("WithPushSkipTLSVerify() should set SkipTLSVerify to true")
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}
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// Test WithPushAuth
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WithPushAuth("user", "pass")(opt)
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if opt.Username != "user" || opt.Password != "pass" {
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t.Error("WithPushAuth() should set username and password")
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}
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}
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func TestUploadBlob(t *testing.T) {
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// Create a mock HTTP server
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch {
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case r.Method == http.MethodHead && strings.Contains(r.URL.Path, "/blobs/"):
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// Blob exists check
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w.WriteHeader(http.StatusOK)
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case r.Method == http.MethodPost && strings.Contains(r.URL.Path, "/blobs/uploads/"):
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// Start upload session
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w.Header().Set("Location", "/v2/test/repo/blobs/upload/session")
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w.WriteHeader(http.StatusAccepted)
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case r.Method == http.MethodPut && strings.Contains(r.URL.Path, "/blobs/upload/"):
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// Complete upload
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w.WriteHeader(http.StatusCreated)
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default:
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer server.Close()
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client := tool.NewClient(false, "")
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ctx := context.Background()
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data := []byte("test blob data")
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digest := computeDigest(data)
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err := uploadBlob(ctx, client, strings.TrimPrefix(server.URL, "http://"), "test/repo", data, digest, &ociUploadOpt{PlainHTTP: true})
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if err != nil {
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t.Errorf("uploadBlob() error = %v", err)
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}
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}
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func TestUploadBlobWithAuth(t *testing.T) {
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// Create a mock HTTP server with auth
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Check for basic auth
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username, password, ok := r.BasicAuth()
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if !ok || username != "testuser" || password != "testpass" {
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w.WriteHeader(http.StatusUnauthorized)
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return
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}
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switch {
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case r.Method == http.MethodHead && strings.Contains(r.URL.Path, "/blobs/"):
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w.WriteHeader(http.StatusOK)
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case r.Method == http.MethodPost && strings.Contains(r.URL.Path, "/blobs/uploads/"):
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w.Header().Set("Location", "/v2/test/repo/blobs/upload/session")
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w.WriteHeader(http.StatusAccepted)
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case r.Method == http.MethodPut && strings.Contains(r.URL.Path, "/blobs/upload/"):
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w.WriteHeader(http.StatusCreated)
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default:
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer server.Close()
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client := tool.NewClient(false, "")
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ctx := context.Background()
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data := []byte("test blob data")
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digest := computeDigest(data)
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opt := &ociUploadOpt{
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Username: "testuser",
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Password: "testpass",
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PlainHTTP: true,
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}
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err := uploadBlob(ctx, client, strings.TrimPrefix(server.URL, "http://"), "test/repo", data, digest, opt)
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if err != nil {
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t.Errorf("uploadBlob() with auth error = %v", err)
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}
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}
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func TestUploadManifest(t *testing.T) {
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// Create a mock HTTP server
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method == http.MethodPut && strings.Contains(r.URL.Path, "/manifests/") {
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w.WriteHeader(http.StatusCreated)
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer server.Close()
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client := tool.NewClient(false, "")
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ctx := context.Background()
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manifest := []byte(`{"schemaVersion":2,"mediaType":"application/vnd.oci.image.manifest.v1+json"}`)
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err := uploadManifest(ctx, client, strings.TrimPrefix(server.URL, "http://"), "test/repo", "latest", manifest, &ociUploadOpt{PlainHTTP: true})
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if err != nil {
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t.Errorf("uploadManifest() error = %v", err)
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}
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}
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func TestPushImageGzipDetection(t *testing.T) {
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// Test that gzip detection works by creating a tar file with gzip compression
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// and verifying it can be processed through the gzip detection path
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// Create a tar file with OCI image structure
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var tarBuf bytes.Buffer
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tw := tar.NewWriter(&tarBuf)
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// Create mock config
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configData := []byte(`{"architecture":"amd64"}`)
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// Create mock layer
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layerData := []byte("mock layer data")
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// Create manifest.json
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dockerManifest := []struct {
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Config string `json:"Config"`
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RepoTags []string `json:"RepoTags"`
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Layers []string `json:"Layers"`
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}{
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{
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Config: "config.json",
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RepoTags: []string{"test:latest"},
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Layers: []string{"layer.tar"},
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},
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}
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manifestData, _ := json.Marshal(dockerManifest)
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// Write files to tar
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tw.WriteHeader(&tar.Header{
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Name: "manifest.json",
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Size: int64(len(manifestData)),
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Mode: 0644,
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})
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tw.Write(manifestData)
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tw.WriteHeader(&tar.Header{
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Name: "config.json",
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Size: int64(len(configData)),
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Mode: 0644,
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})
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tw.Write(configData)
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tw.WriteHeader(&tar.Header{
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Name: "layer.tar",
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Size: int64(len(layerData)),
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Mode: 0644,
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})
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tw.Write(layerData)
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tw.Close()
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// Now gzip the tar data
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var gzippedTar bytes.Buffer
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gz := gzip.NewWriter(&gzippedTar)
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gz.Write(tarBuf.Bytes())
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gz.Close()
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// Create a mock server
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusNotFound)
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}))
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defer server.Close()
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ctx := context.Background()
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// Test with gzipped tar data (should fail at server, but gzip detection should work)
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err := PushImage(ctx, bytes.NewReader(gzippedTar.Bytes()), "localhost:5000/test:latest",
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WithPushPlainHTTP(true),
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WithPushSkipTLSVerify(true))
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// Should fail due to server not being a real registry, but not due to gzip detection
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if err == nil {
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t.Error("PushImage() should fail with mock server")
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}
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// The error should not be related to gzip detection
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if strings.Contains(err.Error(), "gzip reader failed") {
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t.Errorf("PushImage() should not fail with gzip reader error, got %v", err)
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}
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}
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func TestPushImageInvalidAddress(t *testing.T) {
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ctx := context.Background()
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data := bytes.NewReader([]byte("test data"))
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err := PushImage(ctx, data, "invalid-address", WithPushPlainHTTP(true))
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if err == nil {
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t.Error("PushImage() should return error for invalid address")
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}
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if !strings.Contains(err.Error(), "parse image address failed") {
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t.Errorf("PushImage() should return address parsing error, got %v", err)
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}
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}
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func TestPushImageOptions(t *testing.T) {
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// Test that options are applied correctly
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opt := &ociUploadOpt{}
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for _, fn := range []OCIUploadOpt{
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WithPushPlainHTTP(true),
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WithPushSkipTLSVerify(true),
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WithPushAuth("user", "pass"),
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} {
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fn(opt)
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}
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if !opt.PlainHTTP {
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t.Error("PlainHTTP option should be set to true")
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}
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if !opt.SkipTLSVerify {
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t.Error("SkipTLSVerify option should be set to true")
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}
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if opt.Username != "user" || opt.Password != "pass" {
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t.Error("Auth option should be set correctly")
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}
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}
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// Benchmark tests
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func BenchmarkComputeDigest(b *testing.B) {
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data := make([]byte, 1024) // 1KB of data
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for i := 0; i < b.N; i++ {
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computeDigest(data)
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}
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}
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func BenchmarkParseImageAddress(b *testing.B) {
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address := "registry.example.com:5000/library/nginx:1.20"
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for i := 0; i < b.N; i++ {
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parseImageAddress(address)
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}
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}
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