forked from graphql-go/relay
/
connection_test.go
134 lines (126 loc) · 3.37 KB
/
connection_test.go
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package relay_test
import (
"github.com/housinganywhere/graphql"
"github.com/housinganywhere/graphql/testutil"
"github.com/housinganywhere/relay"
"reflect"
"testing"
)
var connectionTestAllUsers = []interface{}{
&user{Name: "Dan"},
&user{Name: "Nick"},
&user{Name: "Lee"},
&user{Name: "Joe"},
&user{Name: "Tim"},
}
var connectionTestUserType *graphql.Object
var connectionTestQueryType *graphql.Object
var connectionTestSchema graphql.Schema
var connectionTestConnectionDef *relay.GraphQLConnectionDefinitions
func init() {
connectionTestUserType = graphql.NewObject(graphql.ObjectConfig{
Name: "User",
Fields: graphql.Fields{
"name": &graphql.Field{
Type: graphql.String,
},
// re-define `friends` field later because `connectionTestUserType` has `connectionTestConnectionDef` has `connectionTestUserType` (cyclic-reference)
"friends": &graphql.Field{},
},
})
connectionTestConnectionDef = relay.ConnectionDefinitions(relay.ConnectionConfig{
Name: "Friend",
NodeType: connectionTestUserType,
EdgeFields: graphql.Fields{
"friendshipTime": &graphql.Field{
Type: graphql.String,
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
return "Yesterday", nil
},
},
},
ConnectionFields: graphql.Fields{
"totalCount": &graphql.Field{
Type: graphql.Int,
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
return len(connectionTestAllUsers), nil
},
},
},
})
// define `friends` field here after getting connection definition
connectionTestUserType.AddFieldConfig("friends", &graphql.Field{
Type: connectionTestConnectionDef.ConnectionType,
Args: relay.ConnectionArgs,
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
arg := relay.NewConnectionArguments(p.Args)
res := relay.ConnectionFromArray(connectionTestAllUsers, arg)
return res, nil
},
})
connectionTestQueryType = graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.Fields{
"user": &graphql.Field{
Type: connectionTestUserType,
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
return connectionTestAllUsers[0], nil
},
},
},
})
var err error
connectionTestSchema, err = graphql.NewSchema(graphql.SchemaConfig{
Query: connectionTestQueryType,
})
if err != nil {
panic(err)
}
}
func TestConnectionDefinition_IncludesConnectionAndEdgeFields(t *testing.T) {
query := `
query FriendsQuery {
user {
friends(first: 2) {
totalCount
edges {
friendshipTime
node {
name
}
}
}
}
}
`
expected := &graphql.Result{
Data: map[string]interface{}{
"user": map[string]interface{}{
"friends": map[string]interface{}{
"totalCount": 5,
"edges": []interface{}{
map[string]interface{}{
"friendshipTime": "Yesterday",
"node": map[string]interface{}{
"name": "Dan",
},
},
map[string]interface{}{
"friendshipTime": "Yesterday",
"node": map[string]interface{}{
"name": "Nick",
},
},
},
},
},
},
}
result := graphql.Do(graphql.Params{
Schema: connectionTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}