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query_facets_test.go
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/*
* Copyright 2017-2018 Dgraph Labs, Inc. and Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package query
import (
"context"
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
var (
facetSetupDone = false
)
func populateClusterWithFacets() error {
// Return immediately if the setup has been performed already.
if facetSetupDone {
return nil
}
triples := `
<1> <name> "Michelle"@en (origin = "french") .
<25> <name> "Daryl Dixon" .
<25> <alt_name> "Daryl Dick" .
<31> <name> "Andrea" .
<31> <alt_name> "Andy" .
<33> <name> "Michale" .
<34> <name> "Roger" .
<320> <name> "Test facet"@en (type = "Test facet with lang") .
<14000> <name> "Andrew" (kind = "official") .
<31> <friend> <24> .
<33> <schools> <2433> .
<1> <gender> "female" .
<23> <gender> "male" .
<202> <model> "Prius" (type = "Electric") .
<14000> <language> "english" (proficiency = "advanced") .
<14000> <language> "hindi" (proficiency = "intermediate") .
<14000> <language> "french" (proficiency = "novice") .
<14000> <dgraph.type> "Speaker" .
`
friendFacets1 := "(since = 2006-01-02T15:04:05)"
friendFacets2 := "(since = 2005-05-02T15:04:05, close = true, family = false, age = 33)"
friendFacets3 := "(since = 2004-05-02T15:04:05, close = true, family = true, tag = \"Domain3\")"
friendFacets4 := "(since = 2007-05-02T15:04:05, close = false, family = true, tag = 34)"
friendFacets5 := "(games = \"football basketball chess tennis\", close = false, age = 35)"
friendFacets6 := "(games = \"football basketball hockey\", close = false)"
triples += fmt.Sprintf("<1> <friend> <23> %s .\n", friendFacets1)
triples += fmt.Sprintf("<1> <friend> <24> %s .\n", friendFacets3)
triples += fmt.Sprintf("<1> <friend> <25> %s .\n", friendFacets4)
triples += fmt.Sprintf("<1> <friend> <31> %s .\n", friendFacets1)
triples += fmt.Sprintf("<1> <friend> <101> %s .\n", friendFacets2)
triples += fmt.Sprintf("<23> <friend> <1> %s .\n", friendFacets1)
triples += fmt.Sprintf("<31> <friend> <1> %s .\n", friendFacets5)
triples += fmt.Sprintf("<31> <friend> <25> %s .\n", friendFacets6)
nameFacets := "(origin = \"french\", dummy = true)"
nameFacets1 := "(origin = \"spanish\", dummy = false, isNick = true)"
triples += fmt.Sprintf("<1> <name> \"Michonne\" %s .\n", nameFacets)
triples += fmt.Sprintf("<23> <name> \"Rick Grimes\" %s .\n", nameFacets)
triples += fmt.Sprintf("<24> <name> \"Glenn Rhee\" %s .\n", nameFacets)
triples += fmt.Sprintf("<1> <alt_name> \"Michelle\" %s .\n", nameFacets)
triples += fmt.Sprintf("<1> <alt_name> \"Michelin\" %s .\n", nameFacets1)
triples += fmt.Sprintf("<12000> <name> \"Harry\"@en %s .\n", nameFacets)
triples += fmt.Sprintf("<12000> <alt_name> \"Potter\" %s .\n", nameFacets1)
bossFacet := "(company = \"company1\")"
triples += fmt.Sprintf("<1> <boss> <34> %s .\n", bossFacet)
friendFacets7 := "(since=2006-01-02T15:04:05, fastfriend=true, score=100, from=\"delhi\")"
friendFacets8 := "(since=2007-01-02T15:04:05, fastfriend=false, score=100)"
friendFacets9 := "(since=2008-01-02T15:04:05, fastfriend=true, score=200, from=\"bengaluru\")"
triples += fmt.Sprintf("<33> <friend> <25> %s .\n", friendFacets7)
triples += fmt.Sprintf("<33> <friend> <31> %s .\n", friendFacets8)
triples += fmt.Sprintf("<33> <friend> <34> %s .\n", friendFacets9)
err := addTriplesToCluster(triples)
// Mark the setup as done so that the next tests do not have to perform it.
facetSetupDone = true
return err
}
func TestFacetsVarAllofterms(t *testing.T) {
populateClusterWithFacets()
query := `
{
me(func: uid(31)) {
name
friend @facets(allofterms(games, "football basketball hockey")) {
name
uid
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"name":"Daryl Dixon","uid":"0x19"}],"name":"Andrea"}]}}`,
js)
}
func TestFacetsWithVarEq(t *testing.T) {
populateClusterWithFacets()
// find family of 1
query := `
query works($family : bool = true){
me(func: uid(1)) {
name
friend @facets(eq(family, $family)) {
name
uid
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"uid":"0x18","name":"Glenn Rhee"},{"uid":"0x19", "name": "Daryl Dixon"}],"name":"Michonne"}]}}`,
js)
}
func TestFacetWithVarLe(t *testing.T) {
populateClusterWithFacets()
query := `
query works($age : int = 35) {
me(func: uid(0x1)) {
name
friend @facets(le(age, $age)) {
name
uid
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"uid":"0x65"}],"name":"Michonne"}]}}`,
js)
}
func TestFacetWithVarGt(t *testing.T) {
populateClusterWithFacets()
query := `
query works($age : int = "32") {
me(func: uid(0x1)) {
name
friend @facets(gt(age, $age)) {
name
uid
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"uid":"0x65"}],"name":"Michonne"}]}}`,
js)
}
func TestRetrieveFacetsSimple(t *testing.T) {
populateClusterWithFacets()
query := `
{
me(func: uid(0x1)) {
name @facets
gender @facets
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data":{"me":[{"name|origin":"french","name|dummy":true,"name":"Michonne",
"gender":"female"}]}}`, js)
}
func TestOrderFacets(t *testing.T) {
populateClusterWithFacets()
// to see how friend @facets are positioned in output.
query := `
{
me(func: uid(1)) {
friend @facets(orderasc:since) {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data":{
"me":[
{
"friend":[
{
"name":"Glenn Rhee"
},
{
"name":"Rick Grimes"
},
{
"name":"Andrea"
},
{
"name":"Daryl Dixon"
}
],
"friend|since":{
"0":"2004-05-02T15:04:05Z",
"1":"2006-01-02T15:04:05Z",
"2":"2006-01-02T15:04:05Z",
"3":"2007-05-02T15:04:05Z"
}
}
]
}
}
`, js)
}
func TestOrderdescFacets(t *testing.T) {
populateClusterWithFacets()
// to see how friend @facets are positioned in output.
query := `
{
me(func: uid(1)) {
friend @facets(orderdesc:since) {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data":{
"me":[
{
"friend|since":{
"0":"2007-05-02T15:04:05Z",
"1":"2006-01-02T15:04:05Z",
"2":"2006-01-02T15:04:05Z",
"3":"2004-05-02T15:04:05Z"
},
"friend":[
{
"name":"Daryl Dixon"
},
{
"name":"Rick Grimes"
},
{
"name":"Andrea"
},
{
"name":"Glenn Rhee"
}
]
}
]
}
}
`, js)
}
func TestOrderdescFacetsWithFilters(t *testing.T) {
populateClusterWithFacets()
query := `
{
var(func: uid(1)) {
f as friend
}
me(func: uid(1)) {
friend @filter(uid(f)) @facets(orderdesc:since) {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data":{
"me":[
{
"friend|since":{
"0":"2007-05-02T15:04:05Z",
"1":"2006-01-02T15:04:05Z",
"2":"2006-01-02T15:04:05Z",
"3":"2004-05-02T15:04:05Z"
},
"friend":[
{
"name":"Daryl Dixon"
},
{
"name":"Rick Grimes"
},
{
"name":"Andrea"
},
{
"name":"Glenn Rhee"
}
]
}
]
}
}
`, js)
}
func TestFacetsMultipleOrderby(t *testing.T) {
populateClusterWithFacets()
query := `
{
me(func: uid(33)) {
name
friend @facets(orderasc:score, orderdesc:since) {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data": {
"me": [
{
"name": "Michale",
"friend": [
{
"name": "Andrea"
},
{
"name": "Daryl Dixon"
},
{
"name": "Roger"
}
],
"friend|score": {
"0": 100,
"1": 100,
"2": 200
},
"friend|since": {
"0": "2007-01-02T15:04:05Z",
"1": "2006-01-02T15:04:05Z",
"2": "2008-01-02T15:04:05Z"
}
}
]
}
}
`, js)
}
func TestFacetsMultipleOrderbyNonsortableFacet(t *testing.T) {
populateClusterWithFacets()
query := `
{
me(func: uid(33)) {
name
friend @facets(orderasc:score, orderasc:fastfriend) {
name
}
}
}
`
_, err := processQuery(context.Background(), t, query)
require.Contains(t, err.Error(), "Value of type: bool isn't sortable")
}
func TestFacetsMultipleOrderbyAllFacets(t *testing.T) {
populateClusterWithFacets()
query := `
{
me(func: uid(33)) {
name
friend @facets(fastfriend, from, orderdesc:score, orderasc:since) {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data": {
"me": [
{
"name": "Michale",
"friend": [
{
"name": "Roger"
},
{
"name": "Daryl Dixon"
},
{
"name": "Andrea"
}
],
"friend|fastfriend": {
"0": true,
"1": true,
"2": false
},
"friend|from": {
"0": "bengaluru",
"1": "delhi"
},
"friend|score": {
"0": 200,
"1": 100,
"2": 100
},
"friend|since": {
"0": "2008-01-02T15:04:05Z",
"1": "2006-01-02T15:04:05Z",
"2": "2007-01-02T15:04:05Z"
}
}
]
}
}
`, js)
}
// This test tests multiple order by on facets where some facets in not present in all records.
func TestFacetsMultipleOrderbyMissingFacets(t *testing.T) {
populateClusterWithFacets()
query := `
{
me(func: uid(33)) {
name
friend @facets(orderasc:from, orderdesc:since) {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data": {
"me": [
{
"name": "Michale",
"friend": [
{
"name": "Roger"
},
{
"name": "Daryl Dixon"
},
{
"name": "Andrea"
}
],
"friend|from": {
"0": "bengaluru",
"1": "delhi"
},
"friend|since": {
"0": "2008-01-02T15:04:05Z",
"1": "2006-01-02T15:04:05Z",
"2": "2007-01-02T15:04:05Z"
}
}
]
}
}
`, js)
}
func TestRetrieveFacetsAsVars(t *testing.T) {
populateClusterWithFacets()
// to see how friend @facets are positioned in output.
query := `
{
var(func: uid(0x1)) {
friend @facets(a as since)
}
me(func: uid(23)) {
name
val(a)
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"name":"Rick Grimes","val(a)":"2006-01-02T15:04:05Z"}]}}`,
js)
}
func TestRetrieveFacetsUidValues(t *testing.T) {
populateClusterWithFacets()
// to see how friend @facets are positioned in output.
query := `
{
me(func: uid(0x1)) {
friend @facets {
name @facets
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data":{
"me":[
{
"friend":[
{
"name|dummy":true,
"name|origin":"french",
"name":"Rick Grimes"
},
{
"name|dummy":true,
"name|origin":"french",
"name":"Glenn Rhee"
},
{
"name":"Daryl Dixon"
},
{
"name":"Andrea"
}
],
"friend|since":{
"0":"2006-01-02T15:04:05Z",
"1":"2004-05-02T15:04:05Z",
"2":"2007-05-02T15:04:05Z",
"3":"2006-01-02T15:04:05Z"
},
"friend|close":{
"1":true,
"2":false
},
"friend|family":{
"1":true,
"2":true
},
"friend|tag":{
"1":"Domain3",
"2":34
}
}
]
}
}
`, js)
}
func TestRetrieveFacetsAll(t *testing.T) {
populateClusterWithFacets()
query := `
{
me(func: uid(0x1)) {
name @facets
friend @facets {
name @facets
gender @facets
}
gender @facets
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data":{
"me":[
{
"name|dummy":true,
"name|origin":"french",
"name":"Michonne",
"friend":[
{
"name|dummy":true,
"name|origin":"french",
"name":"Rick Grimes",
"gender":"male"
},
{
"name|dummy":true,
"name|origin":"french",
"name":"Glenn Rhee"
},
{
"name":"Daryl Dixon"
},
{
"name":"Andrea"
}
],
"friend|since":{
"0":"2006-01-02T15:04:05Z",
"1":"2004-05-02T15:04:05Z",
"2":"2007-05-02T15:04:05Z",
"3":"2006-01-02T15:04:05Z"
},
"friend|tag":{
"1":"Domain3",
"2":34
},
"friend|close":{
"1":true,
"2":false
},
"friend|family":{
"1":true,
"2":true
},
"gender":"female"
}
]
}
}
`, js)
}
func TestFacetsNotInQuery(t *testing.T) {
populateClusterWithFacets()
query := `
{
me(func: uid(0x1)) {
name
gender
friend {
name
gender
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"gender":"male","name":"Rick Grimes"},{"name":"Glenn Rhee"},{"name":"Daryl Dixon"},{"name":"Andrea"}],"gender":"female","name":"Michonne"}]}}`,
js)
}
func TestSubjectWithNoFacets(t *testing.T) {
populateClusterWithFacets()
// id 33 does not have any facets associated with name and school
query := `
{
me(func: uid(0x21)) {
name @facets
school @facets {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"name":"Michale"}]}}`,
js)
}
func TestFetchingFewFacets(t *testing.T) {
populateClusterWithFacets()
// only 1 friend of 1 has facet : "close" and she/he has no name
query := `
{
me(func: uid(0x1)) {
name
friend @facets(close) {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data":{
"me":[
{
"name":"Michonne",
"friend":[
{
"name":"Rick Grimes"
},
{
"name":"Glenn Rhee"
},
{
"name":"Daryl Dixon"
},
{
"name":"Andrea"
}
],
"friend|close":{
"1":true,
"2":false
}
}
]
}
}
`, js)
}
func TestFetchingNoFacets(t *testing.T) {
populateClusterWithFacets()
// TestFetchingFewFacets but without the facet. Returns no facets.
query := `
{
me(func: uid(0x1)) {
name
friend @facets() {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"name":"Rick Grimes"},{"name":"Glenn Rhee"},{"name":"Daryl Dixon"},{"name":"Andrea"}],"name":"Michonne"}]}}`,
js)
}
func TestFacetsSortOrder(t *testing.T) {
populateClusterWithFacets()
// order of facets in gql query should not matter.
query := `
{
me(func: uid(0x1)) {
name
friend @facets(family, close) {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data":{
"me":[
{
"name":"Michonne",
"friend":[
{
"name":"Rick Grimes"
},
{
"name":"Glenn Rhee"
},
{
"name":"Daryl Dixon"
},
{
"name":"Andrea"
}
],
"friend|close":{
"1":true,
"2":false
},
"friend|family":{
"1":true,
"2":true
}
}
]
}
}
`, js)
}
func TestUnknownFacets(t *testing.T) {
populateClusterWithFacets()
// uknown facets should be ignored.
query := `
{
me(func: uid(0x1)) {
name
friend @facets(unknownfacets1, unknownfacets2) {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"name":"Rick Grimes"},{"name":"Glenn Rhee"},{"name":"Daryl Dixon"},{"name":"Andrea"}],"name":"Michonne"}]}}`,
js)
}
func TestFacetsMutation(t *testing.T) {
populateClusterWithFacets()
// Delete friendship between Michonne and Glenn
deleteTriplesInCluster("<1> <friend> <24> .")
friendFacets := "(since = 2001-11-10T00:00:00Z, close = false, family = false)"
// 101 is not close friend now.
require.NoError(t,
addTriplesToCluster(fmt.Sprintf(`<1> <friend> <101> %s .`, friendFacets)))
// This test messes with the test setup, so set facetSetupDone to false so
// the next test redoes the setup.
facetSetupDone = false
query := `
{
me(func: uid(0x1)) {
name
friend @facets {
name
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t, `
{
"data":{
"me":[
{
"name":"Michonne",
"friend":[
{
"name":"Rick Grimes"
},
{
"name":"Daryl Dixon"
},
{
"name":"Andrea"
}
],
"friend|since":{
"0":"2006-01-02T15:04:05Z",
"1":"2007-05-02T15:04:05Z",
"2":"2006-01-02T15:04:05Z"
},
"friend|tag":{
"1":34
},
"friend|close":{
"1":false
},
"friend|family":{
"1":true
}
}
]
}
}
`, js)
}
func TestFacetsFilterSimple(t *testing.T) {
populateClusterWithFacets()
// find close friends of 1
query := `
{
me(func: uid(0x1)) {
name
friend @facets(eq(close, true)) {
name
uid
}
}
}
`
js := processQueryNoErr(t, query)
// 0x65 does not have name.
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"uid":"0x18","name":"Glenn Rhee"},{"uid":"0x65"}],"name":"Michonne"}]}}`,
js)
}
func TestFacetsFilterSimple2(t *testing.T) {
populateClusterWithFacets()
// find close friends of 1
query := `
{
me(func: uid(0x1)) {
name
friend @facets(eq(tag, "Domain3")) {
name
uid
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"uid":"0x18","name":"Glenn Rhee"}],"name":"Michonne"}]}}`,
js)
}
func TestFacetsFilterSimple3(t *testing.T) {
populateClusterWithFacets()
// find close friends of 1
query := `
{
me(func: uid(0x1)) {
name
friend @facets(eq(tag, "34")) {
name
uid
}
}
}
`
js := processQueryNoErr(t, query)
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"uid":"0x19","name":"Daryl Dixon"}],"name":"Michonne"}]}}`,
js)
}
func TestFacetsFilterOr(t *testing.T) {
populateClusterWithFacets()
// find close or family friends of 1
query := `
{
me(func: uid(0x1)) {
name
friend @facets(eq(close, true) OR eq(family, true)) {
name
uid
}
}
}
`
js := processQueryNoErr(t, query)
// 0x65 (101) does not have name.
require.JSONEq(t,
`{"data": {"me":[{"friend":[{"uid":"0x18","name":"Glenn Rhee"},{"uid":"0x19","name":"Daryl Dixon"},{"uid":"0x65"}],"name":"Michonne"}]}}`,
js)
}
func TestFacetsFilterAnd(t *testing.T) {
populateClusterWithFacets()
// unknown filters do not have any effect on results.
query := `
{
me(func: uid(0x1)) {
name
friend @facets(eq(close, true) AND eq(family, false)) {