func TestUnpackProperties(t *testing.T) {
for _, testCase := range validUnpackTestCases {
r := bytes.NewBufferString(testCase.input)
file, errs := parser.Parse("", r, nil)
if len(errs) != 0 {
t.Errorf("test case: %s", testCase.input)
t.Errorf("unexpected parse errors:")
for _, err := range errs {
t.Errorf(" %s", err)
}
t.FailNow()
}
module := file.Defs[0].(*parser.Module)
properties := proptools.CloneProperties(reflect.ValueOf(testCase.output))
proptools.ZeroProperties(properties.Elem())
_, errs = unpackProperties(module.Properties, properties.Interface())
if len(errs) != 0 && len(testCase.errs) == 0 {
t.Errorf("test case: %s", testCase.input)
t.Errorf("unexpected unpack errors:")
for _, err := range errs {
t.Errorf(" %s", err)
}
t.FailNow()
} else if !reflect.DeepEqual(errs, testCase.errs) {
t.Errorf("test case: %s", testCase.input)
t.Errorf("incorrect errors:")
t.Errorf(" expected: %+v", testCase.errs)
t.Errorf(" got: %+v", errs)
}
output := properties.Elem().Interface()
if !reflect.DeepEqual(output, testCase.output) {
t.Errorf("test case: %s", testCase.input)
t.Errorf("incorrect output:")
t.Errorf(" expected: %+v", testCase.output)
t.Errorf(" got: %+v", output)
}
}
}
// If in == nil, the source is the contents of the file with the given filename.
func processFile(filename string, in io.Reader, out io.Writer) error {
if in == nil {
f, err := os.Open(filename)
if err != nil {
return err
}
defer f.Close()
in = f
}
src, err := ioutil.ReadAll(in)
if err != nil {
return err
}
r := bytes.NewBuffer(src)
file, errs := parser.Parse(filename, r, parser.NewScope(nil))
if len(errs) > 0 {
for _, err := range errs {
fmt.Fprintln(os.Stderr, err)
}
return fmt.Errorf("%d parsing errors", len(errs))
}
modified, errs := findModules(file)
if len(errs) > 0 {
for _, err := range errs {
fmt.Fprintln(os.Stderr, err)
}
fmt.Fprintln(os.Stderr, "continuing...")
}
if modified {
res, err := parser.Print(file)
if err != nil {
return err
}
if *list {
fmt.Fprintln(out, filename)
}
if *write {
err = ioutil.WriteFile(filename, res, 0644)
if err != nil {
return err
}
}
if *doDiff {
data, err := diff(src, res)
if err != nil {
return fmt.Errorf("computing diff: %s", err)
}
fmt.Printf("diff %s bpfmt/%s\n", filename, filename)
out.Write(data)
}
if !*list && !*write && !*doDiff {
_, err = out.Write(res)
}
}
return err
}