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Refactor build tests to re-use more code and not require root 

Signed-off-by: Daniel Nephin <dnephin@docker.com>
This commit is contained in:
Daniel Nephin 2018-03-08 13:20:42 -05:00
parent db11cffe37
commit 0f1bb35342
5 changed files with 109 additions and 142 deletions
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55
cli/command/image/build_linux_test.go
View File

@ -1,55 +0,0 @@
//+build linux
package image
import (
"bytes"
"io"
"io/ioutil"
"syscall"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/archive"
"github.com/gotestyourself/gotestyourself/assert"
is "github.com/gotestyourself/gotestyourself/assert/cmp"
"github.com/gotestyourself/gotestyourself/fs"
"golang.org/x/net/context"
)
func TestRunBuildResetsUidAndGidInContext(t *testing.T) {
dest := fs.NewDir(t, "test-build-context-dest")
defer dest.Remove()
fakeImageBuild := func(_ context.Context, context io.Reader, options types.ImageBuildOptions) (types.ImageBuildResponse, error) {
assert.NilError(t, archive.Untar(context, dest.Path(), nil))
body := new(bytes.Buffer)
return types.ImageBuildResponse{Body: ioutil.NopCloser(body)}, nil
}
cli := test.NewFakeCli(&fakeClient{imageBuildFunc: fakeImageBuild})
dir := fs.NewDir(t, "test-build-context",
fs.WithFile("foo", "some content", fs.AsUser(65534, 65534)),
fs.WithFile("Dockerfile", `
FROM alpine:3.6
COPY foo bar /
`),
)
defer dir.Remove()
options := newBuildOptions()
options.context = dir.Path()
options.untrusted = true
err := runBuild(cli, options)
assert.NilError(t, err)
files, err := ioutil.ReadDir(dest.Path())
assert.NilError(t, err)
for _, fileInfo := range files {
assert.Check(t, is.Equal(uint32(0), fileInfo.Sys().(*syscall.Stat_t).Uid))
assert.Check(t, is.Equal(uint32(0), fileInfo.Sys().(*syscall.Stat_t).Gid))
}
}

177
cli/command/image/build_test.go
View File

@ -3,6 +3,7 @@ package image
import (
"archive/tar"
"bytes"
"compress/gzip"
"io"
"io/ioutil"
"os"
@ -14,30 +15,21 @@ import (
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/archive"
"github.com/google/go-cmp/cmp"
"github.com/gotestyourself/gotestyourself/assert"
is "github.com/gotestyourself/gotestyourself/assert/cmp"
"github.com/gotestyourself/gotestyourself/fs"
"github.com/gotestyourself/gotestyourself/skip"
"golang.org/x/net/context"
)
func TestRunBuildDockerfileFromStdinWithCompress(t *testing.T) {
dest, err := ioutil.TempDir("", "test-build-compress-dest")
assert.NilError(t, err)
defer os.RemoveAll(dest)
var dockerfileName string
fakeImageBuild := func(_ context.Context, context io.Reader, options types.ImageBuildOptions) (types.ImageBuildResponse, error) {
buffer := new(bytes.Buffer)
fakeBuild := newFakeBuild()
fakeImageBuild := func(ctx context.Context, context io.Reader, options types.ImageBuildOptions) (types.ImageBuildResponse, error) {
tee := io.TeeReader(context, buffer)
assert.NilError(t, archive.Untar(tee, dest, nil))
dockerfileName = options.Dockerfile
header := buffer.Bytes()[:10]
assert.Check(t, is.Equal(archive.Gzip, archive.DetectCompression(header)))
body := new(bytes.Buffer)
return types.ImageBuildResponse{Body: ioutil.NopCloser(body)}, nil
gzipReader, err := gzip.NewReader(tee)
assert.NilError(t, err)
return fakeBuild.build(ctx, gzipReader, options)
}
cli := test.NewFakeCli(&fakeClient{imageBuildFunc: fakeImageBuild})
@ -47,35 +39,57 @@ func TestRunBuildDockerfileFromStdinWithCompress(t *testing.T) {
`)
cli.SetIn(command.NewInStream(ioutil.NopCloser(dockerfile)))
dir, err := ioutil.TempDir("", "test-build-compress")
assert.NilError(t, err)
defer os.RemoveAll(dir)
ioutil.WriteFile(filepath.Join(dir, "foo"), []byte("some content"), 0644)
dir := fs.NewDir(t, t.Name(),
fs.WithFile("foo", "some content"))
defer dir.Remove()
options := newBuildOptions()
options.compress = true
options.dockerfileName = "-"
options.context = dir
options.context = dir.Path()
options.untrusted = true
assert.NilError(t, runBuild(cli, options))
err = runBuild(cli, options)
assert.NilError(t, err)
expected := []string{fakeBuild.options.Dockerfile, ".dockerignore", "foo"}
assert.DeepEqual(t, expected, fakeBuild.filenames(t))
files, err := ioutil.ReadDir(dest)
assert.NilError(t, err)
actual := []string{}
for _, fileInfo := range files {
actual = append(actual, fileInfo.Name())
header := buffer.Bytes()[:10]
assert.Equal(t, archive.Gzip, archive.DetectCompression(header))
}
sort.Strings(actual)
assert.Check(t, is.DeepEqual([]string{dockerfileName, ".dockerignore", "foo"}, actual))
func TestRunBuildResetsUidAndGidInContext(t *testing.T) {
skip.If(t, os.Getuid() != 0, "root is required to chown files")
fakeBuild := newFakeBuild()
cli := test.NewFakeCli(&fakeClient{imageBuildFunc: fakeBuild.build})
dir := fs.NewDir(t, "test-build-context",
fs.WithFile("foo", "some content", fs.AsUser(65534, 65534)),
fs.WithFile("Dockerfile", `
FROM alpine:3.6
COPY foo bar /
`),
)
defer dir.Remove()
options := newBuildOptions()
options.context = dir.Path()
options.untrusted = true
assert.NilError(t, runBuild(cli, options))
headers := fakeBuild.headers(t)
expected := []*tar.Header{
{Name: "Dockerfile"},
{Name: "foo"},
}
var cmpTarHeaderNameAndOwner = cmp.Comparer(func(x, y tar.Header) bool {
return x.Name == y.Name && x.Uid == y.Uid && x.Gid == y.Gid
})
assert.DeepEqual(t, expected, headers, cmpTarHeaderNameAndOwner)
}
func TestRunBuildDockerfileOutsideContext(t *testing.T) {
dir := fs.NewDir(t, t.Name(),
fs.WithFile("data", "data file"),
)
fs.WithFile("data", "data file"))
defer dir.Remove()
// Dockerfile outside of build-context
@ -87,40 +101,17 @@ COPY data /data
)
defer df.Remove()
dest, err := ioutil.TempDir("", t.Name())
assert.NilError(t, err)
defer os.RemoveAll(dest)
var dockerfileName string
fakeImageBuild := func(_ context.Context, context io.Reader, options types.ImageBuildOptions) (types.ImageBuildResponse, error) {
buffer := new(bytes.Buffer)
tee := io.TeeReader(context, buffer)
assert.NilError(t, archive.Untar(tee, dest, nil))
dockerfileName = options.Dockerfile
body := new(bytes.Buffer)
return types.ImageBuildResponse{Body: ioutil.NopCloser(body)}, nil
}
cli := test.NewFakeCli(&fakeClient{imageBuildFunc: fakeImageBuild})
fakeBuild := newFakeBuild()
cli := test.NewFakeCli(&fakeClient{imageBuildFunc: fakeBuild.build})
options := newBuildOptions()
options.context = dir.Path()
options.dockerfileName = df.Path()
options.untrusted = true
assert.NilError(t, runBuild(cli, options))
err = runBuild(cli, options)
assert.NilError(t, err)
files, err := ioutil.ReadDir(dest)
assert.NilError(t, err)
var actual []string
for _, fileInfo := range files {
actual = append(actual, fileInfo.Name())
}
sort.Strings(actual)
assert.Check(t, is.DeepEqual([]string{dockerfileName, ".dockerignore", "data"}, actual))
expected := []string{fakeBuild.options.Dockerfile, ".dockerignore", "data"}
assert.DeepEqual(t, expected, fakeBuild.filenames(t))
}
// TestRunBuildFromLocalGitHubDirNonExistingRepo tests that build contexts
@ -172,28 +163,54 @@ RUN echo hello world
fs.WithSymlink("context-link", "context"))
defer tmpDir.Remove()
files := []string{}
fakeImageBuild := func(_ context.Context, context io.Reader, options types.ImageBuildOptions) (types.ImageBuildResponse, error) {
tarReader := tar.NewReader(context)
for {
hdr, err := tarReader.Next()
switch err {
case io.EOF:
body := new(bytes.Buffer)
return types.ImageBuildResponse{Body: ioutil.NopCloser(body)}, nil
case nil:
files = append(files, hdr.Name)
default:
return types.ImageBuildResponse{}, err
}
}
}
cli := test.NewFakeCli(&fakeClient{imageBuildFunc: fakeImageBuild})
fakeBuild := newFakeBuild()
cli := test.NewFakeCli(&fakeClient{imageBuildFunc: fakeBuild.build})
options := newBuildOptions()
options.context = tmpDir.Join("context-link")
options.untrusted = true
assert.NilError(t, runBuild(cli, options))
assert.DeepEqual(t, files, []string{"Dockerfile"})
assert.DeepEqual(t, fakeBuild.filenames(t), []string{"Dockerfile"})
}
type fakeBuild struct {
context *tar.Reader
options types.ImageBuildOptions
}
func newFakeBuild() *fakeBuild {
return &fakeBuild{}
}
func (f *fakeBuild) build(_ context.Context, context io.Reader, options types.ImageBuildOptions) (types.ImageBuildResponse, error) {
f.context = tar.NewReader(context)
f.options = options
body := new(bytes.Buffer)
return types.ImageBuildResponse{Body: ioutil.NopCloser(body)}, nil
}
func (f *fakeBuild) headers(t *testing.T) []*tar.Header {
t.Helper()
headers := []*tar.Header{}
for {
hdr, err := f.context.Next()
switch err {
case io.EOF:
return headers
case nil:
headers = append(headers, hdr)
default:
assert.NilError(t, err)
}
}
}
func (f *fakeBuild) filenames(t *testing.T) []string {
t.Helper()
names := []string{}
for _, header := range f.headers(t) {
names = append(names, header.Name)
}
sort.Strings(names)
return names
}

7
cli/command/image/history_test.go
View File

@ -10,6 +10,7 @@ import (
"github.com/docker/docker/api/types/image"
"github.com/gotestyourself/gotestyourself/assert"
"github.com/gotestyourself/gotestyourself/golden"
"github.com/gotestyourself/gotestyourself/skip"
"github.com/pkg/errors"
)
@ -42,7 +43,13 @@ func TestNewHistoryCommandErrors(t *testing.T) {
}
}
func notUTCTimezone() bool {
now := time.Now()
return now != now.UTC()
}
func TestNewHistoryCommandSuccess(t *testing.T) {
skip.If(t, notUTCTimezone, "expected output requires UTC timezone")
testCases := []struct {
name string
args []string

3
cli/command/manifest/client_test.go
View File

@ -10,7 +10,6 @@ import (
)
type fakeRegistryClient struct {
client.RegistryClient
getManifestFunc func(ctx context.Context, ref reference.Named) (manifesttypes.ImageManifest, error)
getManifestListFunc func(ctx context.Context, ref reference.Named) ([]manifesttypes.ImageManifest, error)
mountBlobFunc func(ctx context.Context, source reference.Canonical, target reference.Named) error
@ -44,3 +43,5 @@ func (c *fakeRegistryClient) PutManifest(ctx context.Context, ref reference.Name
}
return digest.Digest(""), nil
}
var _ client.RegistryClient = &fakeRegistryClient{}

7
cli/command/manifest/push_test.go
View File

@ -12,9 +12,7 @@ import (
"golang.org/x/net/context"
)
func newFakeRegistryClient(t *testing.T) *fakeRegistryClient {
assert.NilError(t, nil)
func newFakeRegistryClient() *fakeRegistryClient {
return &fakeRegistryClient{
getManifestFunc: func(_ context.Context, _ reference.Named) (manifesttypes.ImageManifest, error) {
return manifesttypes.ImageManifest{}, errors.New("")
@ -49,12 +47,11 @@ func TestManifestPushErrors(t *testing.T) {
}
}
// store a one-image manifest list and puah it
func TestManifestPush(t *testing.T) {
store, sCleanup := newTempManifestStore(t)
defer sCleanup()
registry := newFakeRegistryClient(t)
registry := newFakeRegistryClient()
cli := test.NewFakeCli(nil)
cli.SetManifestStore(store)