func TestNewTagFile(t *testing.T) {
_, err := bagins.NewTagFile("tagfile.txt")
if err != nil {
t.Error("Tagfile raised an error incorrectly!")
}
_, err = bagins.NewTagFile(".tagfile")
if err == nil {
t.Error("Bag tagfile name did not raise error as expected.")
}
}
func TestTagFileCreate(t *testing.T) {
testPath := filepath.Join(os.TempDir(), "golang_test_tagfiles/_GOTEST_bagit.txt")
tagFile, _ := bagins.NewTagFile(testPath)
tagFile.Data.AddField(*bagins.NewTagField("BagIt-Version", "A metadata element MUST consist of a label, a colon, and a value, each separated by optional whitespace. It is RECOMMENDED that lines not exceed 79 characters in length. Long values may be continued onto the next line by inserting a newline (LF), a carriage return (CR), or carriage return plus newline (CRLF) and indenting the next line with linear white space (spaces or tabs)."))
tagFile.Data.AddField(*bagins.NewTagField("Tag-File-Character-Encodeing", "UTF-8"))
err := tagFile.Create()
if err != nil {
t.Error(err)
}
fileInfo, err := os.Stat(testPath)
if err != nil {
t.Error("File and path", testPath, "not created!")
}
if fileInfo.Size() == 0 {
t.Error("Tag file was created but is empty.")
}
os.RemoveAll(filepath.Dir(testPath))
}
func TestTagFileToString(t *testing.T) {
testPath := filepath.Join(os.TempDir(), "golang_test_tagfiles/_GOTEST_bagit.txt")
tagFile, _ := bagins.NewTagFile(testPath)
tagFile.Data.AddField(*bagins.NewTagField("BagIt-Version", "0.97"))
tagFile.Data.AddField(*bagins.NewTagField("Tag-File-Character-Encoding", "UTF-8"))
tagFile.Data.AddField(*bagins.NewTagField("Long-Line", "A metadata element MUST consist of a label, a colon, and a value, each separated by optional whitespace. It is RECOMMENDED that lines not exceed 79 characters in length. Long values may be continued onto the next line by inserting a newline (LF), a carriage return (CR), or carriage return plus newline (CRLF) and indenting the next line with linear white space (spaces or tabs)."))
str, err := tagFile.ToString()
if err != nil {
t.Error(err)
}
expected := `BagIt-Version: 0.97
Tag-File-Character-Encoding: UTF-8
Long-Line: A metadata element MUST consist of a label, a colon, and a value,
each separated by optional whitespace. It is RECOMMENDED that lines not
exceed 79 characters in length. Long values may be continued onto the next
line by inserting a newline (LF), a carriage return (CR), or carriage
return plus newline (CRLF) and indenting the next line with linear white
space (spaces or tabs).
`
if str != expected {
t.Errorf("ToString() returned\n\n%s \nExpected\n\n%s", str, expected)
}
}
func TestReadTagFile(t *testing.T) {
// Expected Data
exp_list := [][]string{
[]string{"description", strings.Repeat("test ", 40)},
[]string{"title", "This is my title"},
[]string{"description", strings.Repeat("more ", 80)},
}
// Prep the test file
testPath := filepath.Join(os.TempDir(), "_GOTEST_READTAGFILE_bagit.txt")
tagFile, _ := bagins.NewTagFile(testPath)
for _, exp := range exp_list {
tagFile.Data.AddField(*bagins.NewTagField(exp[0], exp[1]))
}
tagFile.Create()
defer os.Remove(testPath)
// Open and test parsing the file.
tf, errs := bagins.ReadTagFile(testPath)
for _, err := range errs {
t.Error(err)
}
if len(tf.Data.Fields()) != 3 {
t.Error("Expected 3 but returned", len(tf.Data.Fields()), "fields!")
}
fields := tagFile.Data.Fields()
for idx, exp := range exp_list {
if fields[idx].Label() != exp[0] {
t.Error("Tag field", idx, "label", fields[idx].Label(), "is not expected value of", exp[0])
}
if fields[idx].Value() != exp[1] {
t.Error("Tag field", idx, "value", fields[idx].Value(), "is not expected value of", exp[1])
}
}
}
