frostfs-node/pkg/util/attributes/parser_test.go
Alex Vanin d8a04726ad [#787] util/attributes: Reuse attribute struct to update parents list
Parser should reuse existing attributes from the cache to update list
of the parent links in it. Parent links should be unique.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2021-09-01 14:29:26 +03:00

97 lines
2.5 KiB
Go

package attributes_test
import (
"testing"
"github.com/nspcc-dev/neofs-node/pkg/util/attributes"
"github.com/stretchr/testify/require"
)
func TestParseV2Attributes(t *testing.T) {
t.Run("empty", func(t *testing.T) {
attrs, err := attributes.ParseV2Attributes(nil, nil)
require.NoError(t, err)
require.Len(t, attrs, 0)
})
t.Run("non unique bucket keys", func(t *testing.T) {
good := []string{
"StorageType:HDD/RPM:7200",
"StorageType:HDD/SMR:True",
}
_, err := attributes.ParseV2Attributes(good, nil)
require.NoError(t, err)
bad := append(good, "StorageType:SSD/Cell:QLC")
_, err = attributes.ParseV2Attributes(bad, nil)
require.Error(t, err)
})
t.Run("malformed", func(t *testing.T) {
_, err := attributes.ParseV2Attributes([]string{"..."}, nil)
require.Error(t, err)
_, err = attributes.ParseV2Attributes([]string{"a:b", ""}, nil)
require.Error(t, err)
_, err = attributes.ParseV2Attributes([]string{"//"}, nil)
require.Error(t, err)
})
t.Run("unexpected", func(t *testing.T) {
unexpectedBucket := []string{
"Location:Europe/City:Moscow",
"Price:100",
}
_, err := attributes.ParseV2Attributes(unexpectedBucket, []string{"Price"})
require.Error(t, err)
})
t.Run("correct", func(t *testing.T) {
from := []string{
"/Location:Europe/Country:Sweden/City:Stockholm",
"/StorageType:HDD/RPM:7200",
}
attrs, err := attributes.ParseV2Attributes(from, nil)
require.NoError(t, err)
require.Len(t, attrs, 5)
})
t.Run("escape characters", func(t *testing.T) {
from := []string{
`/K\:ey1:V\/alue\\/Ke\/y2:Va\:lue`,
}
attrs, err := attributes.ParseV2Attributes(from, nil)
require.NoError(t, err)
require.Equal(t, attrs[0].Key(), `K:ey1`)
require.Equal(t, attrs[0].Value(), `V/alue\`)
require.Equal(t, attrs[1].Key(), `Ke/y2`)
require.Equal(t, attrs[1].Value(), `Va:lue`)
})
t.Run("same attributes", func(t *testing.T) {
from := []string{"/a:b", "/a:b"}
attrs, err := attributes.ParseV2Attributes(from, nil)
require.NoError(t, err)
require.Len(t, attrs, 1)
})
t.Run("multiple parents", func(t *testing.T) {
from := []string{
"/parent1:x/child:x",
"/parent2:x/child:x",
"/parent2:x/child:x/subchild:x",
}
attrs, err := attributes.ParseV2Attributes(from, nil)
require.NoError(t, err)
var flag bool
for _, attr := range attrs {
if attr.Key() == "child" {
flag = true
require.Equal(t, attr.ParentKeys(), []string{"parent1", "parent2"})
}
}
require.True(t, flag)
})
}