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add more entities in tests #284

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merged 1 commit into from
Nov 15, 2023
Merged

add more entities in tests #284

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160 changes: 114 additions & 46 deletions core/src/test/scala/sangria/federation/v1/FederationSpec.scala
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Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
package sangria.federation.v1

import scala.util.Success

import io.circe.Json
import io.circe.generic.semiauto._
import io.circe.parser._
Expand All @@ -10,6 +9,7 @@ import org.scalatest.matchers.should.Matchers._
import sangria.ast.Document
import sangria.execution.{Executor, VariableCoercionError}
import sangria.federation._
import sangria.federation.v1.Directives.Key
import sangria.macros.LiteralGraphQLStringContext
import sangria.parser.QueryParser
import sangria.renderer.QueryRenderer
Expand Down Expand Up @@ -76,12 +76,18 @@ class FederationSpec extends AsyncFreeSpec {

type Query {
states: [State]
reviews: [Review]
}

type State @key(fields: "id") {
id: Int
value: String
}

type Review @key(fields: "id") {
id: Int
comment: String
}
"""),
Nil
)
Expand All @@ -94,6 +100,7 @@ class FederationSpec extends AsyncFreeSpec {

type Query {
states: [State]
reviews: [Review]
_entities(representations: [_Any!]!): [_Entity]!
_service: _Service!
}
Expand All @@ -103,7 +110,11 @@ class FederationSpec extends AsyncFreeSpec {
value: String
}

union _Entity = State
type Review @key(fields: "id") {
id: Int
comment: String
}
union _Entity = State | Review

scalar _FieldSet

Expand Down Expand Up @@ -226,54 +237,17 @@ class FederationSpec extends AsyncFreeSpec {

"Apollo gateway queries" - {

case class State(id: Int, value: String)
case class StateArg(id: Int)

implicit val decoder: Decoder[Json, StateArg] = deriveDecoder[StateArg].decodeJson(_)

val stateResolver = EntityResolver[Any, Json, State, StateArg](
__typeName = "State",
(arg, _) => Some(State(arg.id, "mock")))

val schema = Federation.extend(
Schema.buildFromAst(
graphql"""
schema {
query: Query
}

type Query {
states: [State]
}

type State @key(fields: "id") {
id: Int
value: String
}
""",
AstSchemaBuilder.resolverBased[Any](
FieldResolver.map(
"Query" -> Map(
"states" -> (_ => Nil)
)
),
FieldResolver.map(
"State" -> Map(
"id" -> (ctx => ctx.value.asInstanceOf[State].id),
"value" -> (ctx => ctx.value.asInstanceOf[State].value)
))
)
),
stateResolver :: Nil
)

val Success(query) = QueryParser.parse("""
query FetchState($representations: [_Any!]!) {
_entities(representations: $representations) {
... on State {
id
value
}
... on Review {
id
value
}
}
}
""")
Expand All @@ -287,13 +261,16 @@ class FederationSpec extends AsyncFreeSpec {

implicit val um = Federation.upgrade(sangria.marshalling.circe.CirceInputUnmarshaller)

val args: Json = parse(""" { "representations": [{ "__typename": "State", "id": 1 }] } """)
.getOrElse(Json.Null)

Executor
.execute(schema, query, variables = args)
.execute(FederationSpec.Schema.schema, query, variables = args)
.map(QueryRenderer.renderPretty(_) should be("""{
| data: {
| _entities: [{
| id: 1
| value: "mock"
| value: "mock state 1"
| }]
| }
|}""".stripMargin))
Expand All @@ -303,11 +280,102 @@ class FederationSpec extends AsyncFreeSpec {

implicit val um = sangria.marshalling.circe.CirceInputUnmarshaller

val args: Json = parse(""" { "representations": [{ "__typename": "State", "id": 1 }] } """)
.getOrElse(Json.Null)

recoverToSucceededIf[VariableCoercionError] {
Executor
.execute(schema, query, variables = args)
.execute(FederationSpec.Schema.schema, query, variables = args)
}
}

"should fetch several entities" in {

implicit val um = Federation.upgrade(sangria.marshalling.circe.CirceInputUnmarshaller)

val args: Json = parse("""
{
"representations": [
{ "__typename": "State", "id": 1 },
{ "__typename": "State", "id": 2 },
{ "__typename": "Review", "id": 2 },
{ "__typename": "State", "id": 20 },
{ "__typename": "State", "id": 5 },
{ "__typename": "Review", "id": 1 }
]
}
""").getOrElse(Json.Null)

Executor
.execute(FederationSpec.Schema.schema, query, variables = args)
.map(QueryRenderer.renderPretty(_) should be("""{
| data: {
| _entities: [{
| id: 1
| value: "mock state 1"
| }, {
| id: 2
| value: "mock state 2"
| }, {
| id: 2
| value: "mock review 2"
| }, {
| id: 20
| value: "mock state 20"
| }, {
| id: 5
| value: "mock state 5"
| }, {
| id: 1
| value: "mock review 1"
| }]
| }
|}""".stripMargin))
}
}
}
}

object FederationSpec {
object Schema {
private case class State(id: Int, value: String)
private case class StateArg(id: Int)

private val StateType = ObjectType(
"State",
fields[Unit, State](
Field("id", IntType, resolve = _.value.id),
Field("value", OptionType(StringType), resolve = _.value.value))).withDirective(Key("id"))
private implicit val stateArgDecoder: Decoder[Json, StateArg] =
deriveDecoder[StateArg].decodeJson(_)
private val stateResolver = EntityResolver[Any, Json, State, StateArg](
__typeName = "State",
(arg, _) => Some(State(arg.id, s"mock state ${arg.id}")))

private case class Review(id: Int, value: String)
private case class ReviewArg(id: Int)
private val ReviewType = ObjectType(
"Review",
fields[Unit, Review](
Field("id", IntType, resolve = _.value.id),
Field("value", OptionType(StringType), resolve = _.value.value))).withDirective(Key("id"))
private implicit val reviewArgDecoder: Decoder[Json, ReviewArg] =
deriveDecoder[ReviewArg].decodeJson(_)
private val reviewResolver = EntityResolver[Any, Json, Review, ReviewArg](
__typeName = "Review",
(arg, _) => Some(Review(arg.id, s"mock review ${arg.id}")))

private val Query = ObjectType(
"Query",
fields[Unit, Any](
Field(name = "states", fieldType = ListType(StateType), resolve = _ => Nil),
Field(name = "reviews", fieldType = ListType(ReviewType), resolve = _ => Nil)
)
)

val schema: Schema[Any, Any] = Federation.extend(
sangria.schema.Schema(Query),
stateResolver :: reviewResolver :: Nil
)
}
}
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