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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| package composition | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "github.com/tarent/lib-compose/logging" | ||
| "os" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| var ResponseProcessorsNotApplicable = errors.New("request processors are not apliable on file content") | ||
|
|
||
| type FileContentLoader struct { | ||
| parser ContentParser | ||
| } | ||
|
|
||
| func NewFileContentLoader() *FileContentLoader { | ||
| return &FileContentLoader{ | ||
| parser: &HtmlContentParser{}, | ||
| } | ||
| } | ||
|
|
||
| func (loader *FileContentLoader) Load(fd *FetchDefinition) (Content, error) { | ||
| if fd.RespProc != nil { | ||
| return nil, ResponseProcessorsNotApplicable | ||
| } | ||
| filename := strings.TrimPrefix(fd.URL, FileURLPrefix) | ||
| f, err := os.Open(filename) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("error opening file %v: %v", fd.URL, err) | ||
| } | ||
|
|
||
| c := NewMemoryContent() | ||
| c.url = fd.URL | ||
| c.httpStatusCode = 200 | ||
|
|
||
| if strings.HasSuffix(filename, ".html") { | ||
| parsingStart := time.Now() | ||
| err := loader.parser.Parse(c, f) | ||
| logging.Logger. | ||
| WithField("full_url", c.URL()). | ||
| WithField("duration", time.Since(parsingStart)). | ||
| Debug("content parsing") | ||
| f.Close() | ||
| return c, err | ||
| } | ||
|
|
||
| c.reader = f | ||
| return c, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| package composition | ||
|
|
||
| import ( | ||
| "github.com/golang/mock/gomock" | ||
| "github.com/stretchr/testify/assert" | ||
| "io/ioutil" | ||
| "math/rand" | ||
| "os" | ||
| "path/filepath" | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
|
||
| func init() { | ||
| rand.Seed(time.Now().UTC().UnixNano()) | ||
| } | ||
|
|
||
| func Test_FileContentLoader_LoadHTML(t *testing.T) { | ||
| a := assert.New(t) | ||
|
|
||
| fileName := filepath.Join(os.TempDir(), randString(10)+".html") | ||
|
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| err := ioutil.WriteFile(fileName, []byte("<html><head>some head content</head></html>"), 0660) | ||
| a.NoError(err) | ||
|
|
||
| loader := NewFileContentLoader() | ||
| c, err := loader.Load(NewFetchDefinition(FileURLPrefix + fileName)) | ||
| a.NoError(err) | ||
| a.NotNil(c) | ||
| a.Nil(c.Reader()) | ||
| a.Equal(FileURLPrefix+fileName, c.URL()) | ||
| eqFragment(t, "some head content", c.Head()) | ||
| a.Equal(0, len(c.Body())) | ||
| } | ||
|
|
||
| func Test_FileContentLoader_LoadStream(t *testing.T) { | ||
| a := assert.New(t) | ||
|
|
||
| fileName := filepath.Join(os.TempDir(), randString(10)+".css") | ||
|
|
||
| err := ioutil.WriteFile(fileName, []byte("some non html content"), 0660) | ||
| a.NoError(err) | ||
|
|
||
| loader := NewFileContentLoader() | ||
| c, err := loader.Load(NewFetchDefinition(FileURLPrefix + fileName)) | ||
| a.NoError(err) | ||
| a.NotNil(c) | ||
| body, err := ioutil.ReadAll(c.Reader()) | ||
| a.NoError(err) | ||
| a.Equal("some non html content", string(body)) | ||
| } | ||
|
|
||
| func Test_FileContentLoader_LoadError(t *testing.T) { | ||
| a := assert.New(t) | ||
|
|
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| loader := NewFileContentLoader() | ||
| _, err := loader.Load(NewFetchDefinition("/tmp/some/non/existing/path")) | ||
| a.Error(err) | ||
| } | ||
|
|
||
| func Test_FileContentLoader_RequestProcessor(t *testing.T) { | ||
| a := assert.New(t) | ||
| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
|
|
||
| fd := NewFetchDefinition("/tmp/some/non/existing/path") | ||
| fd.RespProc = NewMockResponseProcessor(ctrl) | ||
|
|
||
| _, err := NewFileContentLoader().Load(fd) | ||
| a.Equal(ResponseProcessorsNotApplicable, err) | ||
| } | ||
|
|
||
| const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" | ||
|
|
||
| func randString(n int) string { | ||
| b := make([]byte, n) | ||
| for i := range b { | ||
| b[i] = letterBytes[rand.Intn(len(letterBytes))] | ||
| } | ||
| return string(b) | ||
| } |
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