forked from TrueCloudLab/frostfs-node
263 lines
7.3 KiB
Go
263 lines
7.3 KiB
Go
package policy
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import (
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"errors"
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"testing"
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"github.com/nspcc-dev/neofs-api-go/v2/netmap"
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"github.com/stretchr/testify/require"
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)
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func TestSimple(t *testing.T) {
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q := `REP 3`
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expected := new(netmap.PlacementPolicy)
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expected.SetFilters([]*netmap.Filter{})
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expected.SetSelectors([]*netmap.Selector{})
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expected.SetReplicas([]*netmap.Replica{newReplica("", 3)})
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r, err := Parse(q)
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require.NoError(t, err)
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require.Equal(t, expected, r)
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}
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func TestSimpleWithHRWB(t *testing.T) {
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q := `REP 3 CBF 4`
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expected := new(netmap.PlacementPolicy)
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expected.SetFilters([]*netmap.Filter{})
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expected.SetSelectors([]*netmap.Selector{})
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expected.SetReplicas([]*netmap.Replica{newReplica("", 3)})
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expected.SetContainerBackupFactor(4)
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r, err := Parse(q)
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require.NoError(t, err)
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require.Equal(t, expected, r)
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}
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func TestFromSelect(t *testing.T) {
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q := `REP 1 IN SPB
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SELECT 1 IN City FROM * AS SPB`
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expected := new(netmap.PlacementPolicy)
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expected.SetFilters([]*netmap.Filter{})
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expected.SetSelectors([]*netmap.Selector{
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newSelector(1, netmap.UnspecifiedClause, "City", "*", "SPB"),
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})
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expected.SetReplicas([]*netmap.Replica{newReplica("SPB", 1)})
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r, err := Parse(q)
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require.NoError(t, err)
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require.Equal(t, expected, r)
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}
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// https://github.com/nspcc-dev/neofs-node/issues/46
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func TestFromSelectNoAttribute(t *testing.T) {
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t.Run("Simple", func(t *testing.T) {
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q := `REP 2
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SELECT 6 FROM *`
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expected := new(netmap.PlacementPolicy)
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expected.SetFilters([]*netmap.Filter{})
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expected.SetSelectors([]*netmap.Selector{newSelector(6, netmap.UnspecifiedClause, "", "*", "")})
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expected.SetReplicas([]*netmap.Replica{newReplica("", 2)})
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r, err := Parse(q)
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require.NoError(t, err)
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require.Equal(t, expected, r)
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})
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t.Run("with filter", func(t *testing.T) {
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q := `REP 2
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SELECT 6 FROM F
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FILTER StorageType EQ SSD AS F`
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expected := new(netmap.PlacementPolicy)
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expected.SetFilters([]*netmap.Filter{newFilter("F", "StorageType", "SSD", netmap.EQ)})
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expected.SetSelectors([]*netmap.Selector{newSelector(6, netmap.UnspecifiedClause, "", "F", "")})
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expected.SetReplicas([]*netmap.Replica{newReplica("", 2)})
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r, err := Parse(q)
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require.NoError(t, err)
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require.Equal(t, expected, r)
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})
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}
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func TestFromSelectClause(t *testing.T) {
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q := `REP 4
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SELECT 3 IN Country FROM *
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SELECT 2 IN SAME City FROM *
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SELECT 1 IN DISTINCT Continent FROM *`
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expected := new(netmap.PlacementPolicy)
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expected.SetFilters([]*netmap.Filter{})
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expected.SetSelectors([]*netmap.Selector{
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newSelector(3, netmap.UnspecifiedClause, "Country", "*", ""),
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newSelector(2, netmap.Same, "City", "*", ""),
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newSelector(1, netmap.Distinct, "Continent", "*", ""),
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})
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expected.SetReplicas([]*netmap.Replica{newReplica("", 4)})
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r, err := Parse(q)
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require.NoError(t, err)
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require.Equal(t, expected, r)
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}
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func TestSimpleFilter(t *testing.T) {
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q := `REP 1
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SELECT 1 IN City FROM Good
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FILTER Rating GT 7 AS Good`
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expected := new(netmap.PlacementPolicy)
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expected.SetReplicas([]*netmap.Replica{newReplica("", 1)})
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expected.SetSelectors([]*netmap.Selector{
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newSelector(1, netmap.UnspecifiedClause, "City", "Good", ""),
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})
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expected.SetFilters([]*netmap.Filter{
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newFilter("Good", "Rating", "7", netmap.GT),
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})
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r, err := Parse(q)
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require.NoError(t, err)
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require.Equal(t, expected, r)
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}
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func TestFilterReference(t *testing.T) {
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q := `REP 1
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SELECT 2 IN City FROM Good
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FILTER Country EQ "RU" AS FromRU
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FILTER @FromRU AND Rating GT 7 AS Good`
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expected := new(netmap.PlacementPolicy)
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expected.SetReplicas([]*netmap.Replica{newReplica("", 1)})
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expected.SetSelectors([]*netmap.Selector{
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newSelector(2, netmap.UnspecifiedClause, "City", "Good", ""),
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})
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expected.SetFilters([]*netmap.Filter{
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newFilter("FromRU", "Country", "RU", netmap.EQ),
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newFilter("Good", "", "", netmap.AND,
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newFilter("FromRU", "", "", netmap.UnspecifiedOperation),
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newFilter("", "Rating", "7", netmap.GT)),
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})
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r, err := Parse(q)
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require.NoError(t, err)
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require.Equal(t, expected, r)
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}
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func TestFilterOps(t *testing.T) {
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q := `REP 1
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SELECT 2 IN City FROM Good
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FILTER A GT 1 AND B GE 2 AND C LT 3 AND D LE 4
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AND E EQ 5 AND F NE 6 AS Good`
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expected := new(netmap.PlacementPolicy)
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expected.SetReplicas([]*netmap.Replica{newReplica("", 1)})
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expected.SetSelectors([]*netmap.Selector{
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newSelector(2, netmap.UnspecifiedClause, "City", "Good", ""),
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})
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expected.SetFilters([]*netmap.Filter{
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newFilter("Good", "", "", netmap.AND,
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newFilter("", "A", "1", netmap.GT),
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newFilter("", "B", "2", netmap.GE),
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newFilter("", "C", "3", netmap.LT),
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newFilter("", "D", "4", netmap.LE),
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newFilter("", "E", "5", netmap.EQ),
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newFilter("", "F", "6", netmap.NE)),
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})
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r, err := Parse(q)
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require.NoError(t, err)
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require.Equal(t, expected, r)
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}
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func TestWithFilterPrecedence(t *testing.T) {
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q := `REP 7 IN SPB
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SELECT 1 IN City FROM SPBSSD AS SPB
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FILTER City EQ "SPB" AND SSD EQ true OR City EQ "SPB" AND Rating GE 5 AS SPBSSD`
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expected := new(netmap.PlacementPolicy)
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expected.SetReplicas([]*netmap.Replica{newReplica("SPB", 7)})
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expected.SetSelectors([]*netmap.Selector{
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newSelector(1, netmap.UnspecifiedClause, "City", "SPBSSD", "SPB"),
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})
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expected.SetFilters([]*netmap.Filter{
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newFilter("SPBSSD", "", "", netmap.OR,
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newFilter("", "", "", netmap.AND,
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newFilter("", "City", "SPB", netmap.EQ),
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newFilter("", "SSD", "true", netmap.EQ)),
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newFilter("", "", "", netmap.AND,
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newFilter("", "City", "SPB", netmap.EQ),
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newFilter("", "Rating", "5", netmap.GE))),
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})
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r, err := Parse(q)
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require.NoError(t, err)
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require.Equal(t, expected, r)
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}
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func TestValidation(t *testing.T) {
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t.Run("MissingSelector", func(t *testing.T) {
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q := `REP 3 IN RU`
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_, err := Parse(q)
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require.True(t, errors.Is(err, ErrUnknownSelector), "got: %v", err)
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})
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t.Run("MissingFilter", func(t *testing.T) {
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q := `REP 3
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SELECT 1 IN City FROM MissingFilter`
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_, err := Parse(q)
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require.True(t, errors.Is(err, ErrUnknownFilter), "got: %v", err)
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})
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t.Run("UnknownOp", func(t *testing.T) {
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q := `REP 3
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SELECT 1 IN City FROM F
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FILTER Country KEK RU AS F`
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_, err := Parse(q)
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require.True(t, errors.Is(err, ErrUnknownOp), "got: %v", err)
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})
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t.Run("TypoInREP", func(t *testing.T) {
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q := `REK 3`
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_, err := Parse(q)
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require.Error(t, err)
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})
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t.Run("InvalidFilterName", func(t *testing.T) {
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q := `REP 3
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SELECT 1 IN City FROM F
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FILTER Good AND Country EQ RU AS F
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FILTER Rating EQ 5 AS Good`
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_, err := Parse(q)
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require.Error(t, err)
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})
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t.Run("InvalidNumberInREP", func(t *testing.T) {
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q := `REP 0`
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_, err := Parse(q)
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require.True(t, errors.Is(err, ErrInvalidNumber), "got: %v", err)
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})
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t.Run("InvalidNumberInREP", func(t *testing.T) {
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q := `REP 1 IN Good
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SELECT 0 IN City FROM *`
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_, err := Parse(q)
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require.True(t, errors.Is(err, ErrInvalidNumber), "got: %v", err)
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})
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}
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func newFilter(name, key, value string, op netmap.Operation, sub ...*netmap.Filter) *netmap.Filter {
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f := new(netmap.Filter)
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f.SetName(name)
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f.SetKey(key)
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f.SetValue(value)
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f.SetOp(op)
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f.SetFilters(sub)
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return f
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}
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func newReplica(s string, c uint32) *netmap.Replica {
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r := new(netmap.Replica)
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r.SetSelector(s)
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r.SetCount(c)
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return r
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}
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func newSelector(count uint32, c netmap.Clause, attr, f, name string) *netmap.Selector {
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s := new(netmap.Selector)
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s.SetCount(count)
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s.SetClause(c)
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s.SetAttribute(attr)
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s.SetFilter(f)
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s.SetName(name)
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return s
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}
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