func transactFile(tx *transactor.Transaction, r io.Reader, format, compression string) {
var (
err error
)
// Apply decompression.
if compression != "" {
logrus.Debugf("transact: applying %s decompression", compression)
if r, err = origins.Decompressor(r, compression); err != nil {
logrus.Fatalf("transact: %s", err)
}
}
// Wrap in a reader to handle carriage returns before passing
// it into the format reader.
r = origins.NewUniversalReader(r)
var iter origins.Iterator
switch format {
case "csv":
iter = origins.NewCSVReader(r)
default:
logrus.Fatal("transact: unsupported file format", format)
}
if _, err = origins.Copy(iter, tx); err != nil {
logrus.Fatal("transact:", err)
}
}
func TestInitSchema(t *testing.T) {
data, _ := testutil.Asset("assets/origins.csv")
iter := origins.NewCSVReader(bytes.NewBuffer(data))
schema := Init("origins.attrs", iter)
attrs := schema.Attrs()
assert.Equal(t, 18, len(attrs))
}
func setup() storage.Engine {
engine, _ := origins.Init("memory", nil)
data, _ := testutil.Asset("assets/origins.csv")
iter := origins.NewCSVReader(bytes.NewBuffer(data))
tx, _ := transactor.New(engine, transactor.Options{})
// Write the facts.
if _, err := origins.Copy(iter, tx); err != nil {
panic(err)
}
tx.Commit()
return engine
}
func buildIter(t *testing.T) origins.Iterator {
buf := bytes.NewBufferString(testData)
return origins.NewCSVReader(buf)
}
// Get a stdout pipe from the command for the reader to consume.
stdout, err := pcmd.StdoutPipe()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
var (
iterator origins.Iterator
writer origins.Writer
)
// Data written to the buffer are converted into facts, normalized, and
// copied to the CSV writer.
iterator = origins.NewCSVReader(stdout)
// Facts are written to stdout.
writer = origins.NewCSVWriter(os.Stdout)
// Modify the fact before writing using the passed arguments.
// TODO: there is a overlap with the transactor.
writer = &modWriter{
writer: writer,
modifier: func(f *origins.Fact) {
if f.Domain == "" {
f.Domain = domain
}
f.Operation = operation