Revision ab333a0166896bc8db6ceb42b843d6ab8c109589 authored by Denys Smirnov on 28 June 2019, 13:16:37 UTC, committed by Denys Smirnov on 28 June 2019, 13:22:48 UTC
1 parent 48e46a7
loader_test.go
package schema_test
import (
"reflect"
"testing"
"github.com/cayleygraph/cayley/graph"
"github.com/cayleygraph/cayley/graph/iterator"
"github.com/cayleygraph/cayley/graph/memstore"
"github.com/cayleygraph/cayley/quad"
"github.com/cayleygraph/cayley/schema"
)
func TestLoadLoop(t *testing.T) {
sch := schema.NewConfig()
a := &NodeLoop{ID: iri("A"), Name: "Node A"}
a.Next = a
qs := memstore.New([]quad.Quad{
{a.ID, iri("name"), quad.String(a.Name), nil},
{a.ID, iri("next"), a.ID, nil},
}...)
b := &NodeLoop{}
if err := sch.LoadIteratorTo(nil, qs, reflect.ValueOf(b), nil); err != nil {
t.Error(err)
return
}
if a.ID != b.ID || a.Name != b.Name {
t.Fatalf("%#v vs %#v", a, b)
}
if b != b.Next {
t.Fatalf("loop is broken: %p vs %p", b, b.Next)
}
a = &NodeLoop{ID: iri("A"), Name: "Node A"}
b = &NodeLoop{ID: iri("B"), Name: "Node B"}
c := &NodeLoop{ID: iri("C"), Name: "Node C"}
a.Next = b
b.Next = c
c.Next = a
qs = memstore.New([]quad.Quad{
{a.ID, iri("name"), quad.String(a.Name), nil},
{b.ID, iri("name"), quad.String(b.Name), nil},
{c.ID, iri("name"), quad.String(c.Name), nil},
{a.ID, iri("next"), b.ID, nil},
{b.ID, iri("next"), c.ID, nil},
{c.ID, iri("next"), a.ID, nil},
}...)
a1 := &NodeLoop{}
if err := sch.LoadIteratorTo(nil, qs, reflect.ValueOf(a1), nil); err != nil {
t.Error(err)
return
}
if a.ID != a1.ID || a.Name != a1.Name {
t.Fatalf("%#v vs %#v", a, b)
}
b1 := a1.Next
c1 := b1.Next
if b.ID != b1.ID || b.Name != b1.Name {
t.Fatalf("%#v vs %#v", a, b)
}
if c.ID != c1.ID || c.Name != c1.Name {
t.Fatalf("%#v vs %#v", a, b)
}
if a1 != c1.Next {
t.Fatalf("loop is broken: %p vs %p", a1, c1.Next)
}
}
func TestLoadIteratorTo(t *testing.T) {
sch := schema.NewConfig()
for i, c := range testFillValueCases {
t.Run(c.name, func(t *testing.T) {
qs := memstore.New(c.quads...)
rt := reflect.TypeOf(c.expect)
var out reflect.Value
if rt.Kind() == reflect.Ptr {
out = reflect.New(rt.Elem())
} else {
out = reflect.New(rt)
}
var it graph.Iterator
if c.from != nil {
fixed := iterator.NewFixed()
for _, id := range c.from {
fixed.Add(qs.ValueOf(id))
}
it = fixed
}
depth := c.depth
if depth == 0 {
depth = -1
}
if err := sch.LoadIteratorToDepth(nil, qs, out, depth, it); err != nil {
t.Errorf("case %d failed: %v", i+1, err)
return
}
var got interface{}
if rt.Kind() == reflect.Ptr {
got = out.Interface()
} else {
got = out.Elem().Interface()
}
if s, ok := got.(interface {
Sort()
}); ok {
s.Sort()
}
if s, ok := c.expect.(interface {
Sort()
}); ok {
s.Sort()
}
if !reflect.DeepEqual(got, c.expect) {
t.Errorf("case %d failed: objects are different\n%#v\n%#v",
i+1, got, c.expect,
)
}
})
}
}
var testFillValueCases = []struct {
name string
expect interface{}
quads []quad.Quad
depth int
from []quad.Value
}{
{
name: "complex object",
expect: struct {
rdfType struct{} `quad:"rdf:type > some:Type"`
ID quad.IRI `quad:"@id"`
Name string `quad:"name"`
Values []string `quad:"values"`
Items []item `quad:"items"`
Sub *item `quad:"sub"`
Val int `quad:"val"`
}{
ID: "1234",
Name: "some item",
Values: []string{"val1", "val2"},
Items: []item{
{ID: "sub1", Name: "Sub 1"},
{ID: "sub2", Name: "Sub 2"},
},
Sub: &item{ID: "sub3", Name: "Sub 3"},
Val: 123,
},
quads: []quad.Quad{
{iri("1234"), typeIRI, iri("some:Type"), nil},
{iri("1234"), iri("name"), quad.String("some item"), nil},
{iri("1234"), iri("values"), quad.String("val1"), nil},
{iri("1234"), iri("values"), quad.String("val2"), nil},
{iri("sub1"), typeIRI, iri("some:item"), nil},
{iri("sub1"), iri("name"), quad.String("Sub 1"), nil},
{iri("1234"), iri("items"), iri("sub1"), nil},
{iri("sub2"), typeIRI, iri("some:item"), nil},
{iri("sub2"), iri("name"), quad.String("Sub 2"), nil},
{iri("1234"), iri("items"), iri("sub2"), nil},
{iri("sub3"), typeIRI, iri("some:item"), nil},
{iri("sub3"), iri("name"), quad.String("Sub 3"), nil},
{iri("1234"), iri("sub"), iri("sub3"), nil},
{iri("1234"), iri("val"), quad.Int(123), nil},
},
},
{
name: "complex object (id value)",
expect: struct {
rdfType struct{} `quad:"rdf:type > some:Type"`
ID quad.Value `quad:"@id"`
Name string `quad:"name"`
Values []string `quad:"values"`
Items []item `quad:"items"`
}{
ID: quad.BNode("1234"),
Name: "some item",
Values: []string{"val1", "val2"},
Items: []item{
{ID: "sub1", Name: "Sub 1"},
{ID: "sub2", Name: "Sub 2"},
},
},
quads: []quad.Quad{
{quad.BNode("1234"), typeIRI, iri("some:Type"), nil},
{quad.BNode("1234"), iri("name"), quad.String("some item"), nil},
{quad.BNode("1234"), iri("values"), quad.String("val1"), nil},
{quad.BNode("1234"), iri("values"), quad.String("val2"), nil},
{iri("sub1"), typeIRI, iri("some:item"), nil},
{iri("sub1"), iri("name"), quad.String("Sub 1"), nil},
{quad.BNode("1234"), iri("items"), iri("sub1"), nil},
{iri("sub2"), typeIRI, iri("some:item"), nil},
{iri("sub2"), iri("name"), quad.String("Sub 2"), nil},
{quad.BNode("1234"), iri("items"), iri("sub2"), nil},
},
},
{
name: "embedded object",
expect: struct {
rdfType struct{} `quad:"rdf:type > some:Type"`
item2
ID quad.IRI `quad:"@id"`
Values []string `quad:"values"`
}{
item2: item2{Name: "Sub 1", Spec: "special"},
ID: "1234",
Values: []string{"val1", "val2"},
},
quads: []quad.Quad{
{iri("1234"), typeIRI, iri("some:Type"), nil},
{iri("1234"), iri("name"), quad.String("Sub 1"), nil},
{iri("1234"), iri("spec"), quad.String("special"), nil},
{iri("1234"), iri("values"), quad.String("val1"), nil},
{iri("1234"), iri("values"), quad.String("val2"), nil},
},
},
{
name: "type shorthand",
expect: struct {
rdfType struct{} `quad:"@type > some:Type"`
item2
ID quad.IRI `quad:"@id"`
Values []string `quad:"values"`
}{
item2: item2{Name: "Sub 1", Spec: "special"},
ID: "1234",
Values: []string{"val1", "val2"},
},
quads: []quad.Quad{
{iri("1234"), typeIRI, iri("some:Type"), nil},
{iri("1234"), iri("name"), quad.String("Sub 1"), nil},
{iri("1234"), iri("spec"), quad.String("special"), nil},
{iri("1234"), iri("values"), quad.String("val1"), nil},
{iri("1234"), iri("values"), quad.String("val2"), nil},
},
},
{
name: "tree",
expect: treeItem{
ID: iri("n1"),
Name: "Node 1",
Children: []treeItem{
{
ID: iri("n2"),
Name: "Node 2",
},
{
ID: iri("n3"),
Name: "Node 3",
Children: []treeItem{
{
ID: iri("n4"),
Name: "Node 4",
},
},
},
},
},
quads: treeQuads,
from: []quad.Value{iri("n1")},
},
{
name: "tree with depth limit 1",
expect: treeItem{
ID: iri("n1"),
Name: "Node 1",
Children: []treeItem{
{
ID: iri("n2"),
Name: "Node 2",
},
{
ID: iri("n3"),
Name: "Node 3",
Children: []treeItem{
{
ID: iri("n4"),
},
},
},
},
},
depth: 1,
quads: treeQuads,
from: []quad.Value{iri("n1")},
},
{
name: "tree with depth limit 2",
expect: treeItemOpt{
ID: iri("n1"),
Name: "Node 1",
Children: []treeItemOpt{
{
ID: iri("n2"),
Name: "Node 2",
},
{
ID: iri("n3"),
Name: "Node 3",
Children: []treeItemOpt{
{
ID: iri("n4"),
Name: "Node 4",
},
},
},
},
},
depth: 2,
quads: treeQuads,
from: []quad.Value{iri("n1")},
},
{
name: "tree with required children",
expect: treeItemReq{
ID: iri("n1"),
Name: "Node 1",
Children: []treeItemReq{
{
ID: iri("n3"),
Name: "Node 3",
// TODO(dennwc): a strange behavior: this field is required, but it's empty for current object,
// because all it's children are missing the same field. Leaving this as-is for now because
// it's weird to set Children field as required in a tree.
Children: nil,
},
},
},
quads: treeQuads,
from: []quad.Value{iri("n1")},
},
{
name: "simple object",
expect: subObject{
genObject: genObject{
ID: "1234",
Name: "Obj",
},
Num: 3,
},
quads: []quad.Quad{
{iri("1234"), iri("name"), quad.String("Obj"), nil},
{iri("1234"), iri("num"), quad.Int(3), nil},
},
},
{
name: "typedef",
expect: genObjectTypedef{
ID: "1234",
Name: "Obj",
},
quads: []quad.Quad{
{iri("1234"), iri("name"), quad.String("Obj"), nil},
},
},
{
name: "coords",
expect: Coords{Lat: 12.3, Lng: 34.5},
quads: []quad.Quad{
{iri("c1"), typeIRI, iri("ex:Coords"), nil},
{iri("c1"), iri("ex:lat"), quad.Float(12.3), nil},
{iri("c1"), iri("ex:lng"), quad.Float(34.5), nil},
},
},
{
name: "same node",
expect: NestedNode{
ID: "c1",
Name: "A",
Prev: genObject{
ID: "c2",
Name: "B",
},
Next: genObject{
ID: "c2",
Name: "B",
},
},
quads: []quad.Quad{
{iri("c1"), iri("name"), quad.String("A"), nil},
{iri("c2"), iri("name"), quad.String("B"), nil},
{iri("c1"), iri("next"), iri("c2"), nil},
{iri("c1"), iri("prev"), iri("c2"), nil},
},
},
{
name: "all optional",
expect: Alts{
Alt: []OptFields{
{One: "A"},
{Two: "B"},
{One: "C", Two: "D"},
},
},
quads: []quad.Quad{
{iri("c1"), iri("alt"), iri("h1"), nil},
{iri("c1"), iri("alt"), iri("h2"), nil},
{iri("c1"), iri("alt"), iri("h3"), nil},
{iri("h1"), iri("one"), quad.String("A"), nil},
{iri("h2"), iri("two"), quad.String("B"), nil},
{iri("h3"), iri("one"), quad.String("C"), nil},
{iri("h3"), iri("two"), quad.String("D"), nil},
},
},
}
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