func TestReaderToColumns(t *testing.T) {
reader := &dsv.Reader{}
e := dsv.ConfigParse(reader, []byte(jsonSample[4]))
if nil != e {
t.Fatal(e)
}
e = reader.Init("", nil)
if nil != e {
t.Fatal(e)
}
reader.SetDatasetMode(dsv.DatasetModeCOLUMNS)
var n, i int
for {
n, e = dsv.Read(reader)
if n > 0 {
ds := reader.GetDataset().(tabula.DatasetInterface)
ds.TransposeToRows()
r := fmt.Sprint(ds.GetData())
assert(t, expectation[i], r, true)
i++
} else if e == io.EOF {
// EOF
break
}
}
}
/*
TestConfigParse test parsing metadata.
*/
func TestConfigParse(t *testing.T) {
cases := []struct {
in string
out *dsv.Reader
}{
{
jsonSample[1],
readers[1],
},
{
jsonSample[3],
readers[3],
},
}
dsvReader := &dsv.Reader{}
for _, c := range cases {
e := dsv.ConfigParse(dsvReader, []byte(c.in))
if e != nil {
t.Fatal(e)
}
if !dsvReader.IsEqual(c.out) {
t.Fatal("Test failed on ", c.in)
}
}
}
/*
TestReaderNoInput will print error that the input is not defined.
*/
func TestReaderNoInput(t *testing.T) {
dsvReader := &dsv.Reader{}
e := dsv.ConfigParse(dsvReader, []byte(jsonSample[0]))
if nil != e {
t.Fatal(e)
}
e = dsvReader.Init("", nil)
if nil == e {
t.Fatal("TestReaderNoInput: failed, should return non nil!")
}
}
func TestDatasetMode(t *testing.T) {
var e error
var config = []string{`{
"Input" :"testdata/input.dat"
, "DatasetMode" :"row"
}`, `{
"Input" :"testdata/input.dat"
, "DatasetMode" :"rows"
}`, `{
"Input" :"testdata/input.dat"
, "DatasetMode" :"columns"
}`}
var exps = []struct {
status bool
value string
}{{
false,
string(config[0]),
}, {
true,
string(config[1]),
}, {
true,
string(config[2]),
}}
reader := &dsv.Reader{}
for k, v := range exps {
e = dsv.ConfigParse(reader, []byte(config[k]))
if e != nil {
t.Fatal(e)
}
e = reader.Init("", nil)
if e != nil {
if v.status == true {
t.Fatal(e)
}
}
}
}
/*
TestReader test reading.
*/
func TestReaderRead(t *testing.T) {
dsvReader := &dsv.Reader{}
e := dsv.ConfigParse(dsvReader, []byte(jsonSample[4]))
if nil != e {
t.Fatal(e)
}
e = dsvReader.Init("", nil)
if nil != e {
t.Fatal(e)
}
doRead(t, dsvReader, expectation)
e = dsvReader.Close()
if e != nil {
t.Fatal(e)
}
}