func TestSetFile(t *testing.T) {
file := new(File)
fs := testfs.NewLocalTestFS()
_, err := fs.Create(testFile)
assert.NoError(t, err)
conf := core.NewConfigInput(map[string]interface{}{
"path": testFile,
"action": "set",
"content": testData,
})
err = file.Configure(conf)
assert.NoError(t, err)
resp := core.NewResponse()
file.Run(fs, resp)
assert.True(t, resp.Ok)
res, err := fs.Open(testFile)
assert.NoError(t, err)
out := make([]byte, len(testData))
_, err = res.Read(out)
assert.NoError(t, err)
assert.Equal(t, testData, out, "File contents should match")
}
// NewLayer creates a new layer from a tarball
func NewLayer(tar []byte, parent, comment string) (layer []byte, err error) {
layerFS := testfs.NewLocalTestFS()
id, err := newID()
if err != nil {
return
}
err = layerFS.Mkdir(id, 0755)
if err != nil {
return
}
layerConfig := newLayerConfig(id, parent, comment)
// layerConfig.ContainerConfig().Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(squash) from %s", parent[:12])}
entry := &exportedImage{
Path: id,
JSONPath: filepath.Join(id, "json"),
VersionPath: filepath.Join(id, "VERSION"),
LayerTarPath: filepath.Join(id, "layer.tar"),
LayerDirPath: filepath.Join(id, "layer"),
LayerConfig: layerConfig,
}
entry.LayerConfig.Created = time.Now().UTC()
err = entry.writeJSON(layerFS)
if err != nil {
return
}
err = entry.writeVersion(layerFS)
if err != nil {
return
}
err = entry.writeData(layerFS, tar)
if err != nil {
return
}
return archive(layerFS)
}
func TestArchive(t *testing.T) {
fs := testfs.NewLocalTestFS()
err := fs.Mkdir("/test", 0755)
assert.NoError(t, err)
file, err := fs.Create("/test/file")
assert.NoError(t, err)
_, err = file.Write([]byte("test data\n"))
assert.NoError(t, err)
err = file.Close()
assert.NoError(t, err)
buf, err := archive(fs)
assert.NoError(t, err)
assert.Len(t, buf, 2560)
}
func TestFileRemove(t *testing.T) {
file := new(File)
fs := testfs.NewLocalTestFS()
_, err := fs.Create(testFile)
assert.NoError(t, err)
conf := core.NewConfigInput(map[string]interface{}{
"path": testFile,
"action": "remove",
})
err = file.Configure(conf)
assert.NoError(t, err)
resp := core.NewResponse()
file.Run(fs, resp)
assert.True(t, resp.Ok)
_, err = os.Stat(testFile)
assert.True(t, os.IsNotExist(err))
}
func TestFileTouch(t *testing.T) {
file := new(File)
fs := testfs.NewLocalTestFS()
conf := core.NewConfigInput(map[string]interface{}{
"path": testFile,
"mode": 0755,
"action": "touch",
})
err := file.Configure(conf)
assert.NoError(t, err)
resp := core.NewResponse()
file.Run(fs, resp)
assert.True(t, resp.Ok)
defer os.Remove(testFile)
fi, err := fs.Stat(testFile)
assert.NoError(t, err)
assert.Equal(t, os.FileMode(0755), fi.Mode(), "File mode should match")
}
func TestNewLayer(t *testing.T) {
fs := testfs.NewLocalTestFS()
err := fs.Mkdir("/test", 0755)
assert.NoError(t, err)
file, err := fs.Create("/test/file")
assert.NoError(t, err)
_, err = file.Write([]byte("test data\n"))
assert.NoError(t, err)
err = file.Close()
assert.NoError(t, err)
buf, err := archive(fs)
assert.NoError(t, err)
layer, err := NewLayer(buf, "", "Test layer")
assert.NoError(t, err)
assert.Len(t, layer, 6656)
}