frostfs-s3-gw/api/handler/api_test.go

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package handler
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestCopiesNumberPicker(t *testing.T) {
var locConstraints = map[string][]uint32{}
locationConstraint1 := "one"
locationConstraint2 := "two"
locConstraints[locationConstraint1] = []uint32{2, 3, 4}
config := &Config{
CopiesNumber: 1,
CopiesNumbers: locConstraints,
}
h := handler{
cfg: config,
}
metadata := map[string]string{}
t.Run("pick default copies number", func(t *testing.T) {
metadata["somekey1"] = "5, 6, 7"
expectedCopiesNumbers := []uint32{1}
actualCopiesNumbers, err := h.pickCopiesNumbers(metadata, locationConstraint2)
require.NoError(t, err)
require.Equal(t, expectedCopiesNumbers, actualCopiesNumbers)
})
t.Run("pick copies number vector according to location constraint", func(t *testing.T) {
metadata["somekey2"] = "6, 7, 8"
expectedCopiesNumbers := []uint32{2, 3, 4}
actualCopiesNumbers, err := h.pickCopiesNumbers(metadata, locationConstraint1)
require.NoError(t, err)
require.Equal(t, expectedCopiesNumbers, actualCopiesNumbers)
})
t.Run("pick copies number from metadata", func(t *testing.T) {
metadata["frostfs-copies-number"] = "7, 8, 9"
expectedCopiesNumbers := []uint32{7, 8, 9}
actualCopiesNumbers, err := h.pickCopiesNumbers(metadata, locationConstraint2)
require.NoError(t, err)
require.Equal(t, expectedCopiesNumbers, actualCopiesNumbers)
})
t.Run("pick copies number from metadata with no space", func(t *testing.T) {
metadata["frostfs-copies-number"] = "7,8,9"
expectedCopiesNumbers := []uint32{7, 8, 9}
actualCopiesNumbers, err := h.pickCopiesNumbers(metadata, locationConstraint2)
require.NoError(t, err)
require.Equal(t, expectedCopiesNumbers, actualCopiesNumbers)
})
t.Run("pick copies number from metadata with trailing comma", func(t *testing.T) {
metadata["frostfs-copies-number"] = "11, 12, 13, "
expectedCopiesNumbers := []uint32{11, 12, 13}
actualCopiesNumbers, err := h.pickCopiesNumbers(metadata, locationConstraint2)
require.NoError(t, err)
require.Equal(t, expectedCopiesNumbers, actualCopiesNumbers)
})
}