[federation] federated directives integration tests (#548)

Author: dariuszkuc

graphql-kotlin-federation/src/test/kotlin/com/expediagroup/graphql/federation/data/integration/key/failure/_1/FederatedMissingKey.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2020 Expedia, Inc
+ *
+ * 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
+ *
+ *     https://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 com.expediagroup.graphql.federation.data.integration.key.failure._1
+
+import com.expediagroup.graphql.federation.directives.ExtendsDirective
+import com.expediagroup.graphql.federation.directives.ExternalDirective
+
+/*
+# example of invalid federated type - missing @key directive
+type FederatedMissingKey @extends {
+  description: String!
+  id: String! @external
+}
+ */
+@ExtendsDirective
+data class FederatedMissingKey(@ExternalDirective val id: String, val description: String)

graphql-kotlin-federation/src/test/kotlin/com/expediagroup/graphql/federation/data/integration/key/failure/_2/KeyMissingFieldSelection.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020 Expedia, Inc
+ *
+ * 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
+ *
+ *     https://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 com.expediagroup.graphql.federation.data.integration.key.failure._2
+
+import com.expediagroup.graphql.federation.directives.FieldSet
+import com.expediagroup.graphql.federation.directives.KeyDirective
+import io.mockk.mockk
+
+/*
+# example invalid usage of @key directive - does not specify any fields
+type KeyMissingFieldSelection @key(fields : "") {
+  description: String!
+  id: String!
+}
+ */
+@KeyDirective(FieldSet(""))
+data class KeyMissingFieldSelection(val id: String, val description: String)
+
+class KeyMissingFieldSelectionQuery {
+    fun keyQuery(): KeyMissingFieldSelection = mockk()
+}

graphql-kotlin-federation/src/test/kotlin/com/expediagroup/graphql/federation/data/integration/key/failure/_3/InvalidKey.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020 Expedia, Inc
+ *
+ * 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
+ *
+ *     https://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 com.expediagroup.graphql.federation.data.integration.key.failure._3
+
+import com.expediagroup.graphql.federation.directives.FieldSet
+import com.expediagroup.graphql.federation.directives.KeyDirective
+import io.mockk.mockk
+
+/*
+# example invalid usage of @key directive - references non-existent field
+type InvalidKey @key(fields : "id") {
+  description: String!
+  productId: String!
+}
+ */
+@KeyDirective(fields = FieldSet("id"))
+data class InvalidKey(val productId: String, val description: String)
+
+class InvalidKeyQuery {
+    fun keyQuery(): InvalidKey = mockk()
+}

graphql-kotlin-federation/src/test/kotlin/com/expediagroup/graphql/federation/data/integration/key/failure/_4/BaseKeyReferencingExternalFields.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2020 Expedia, Inc
+ *
+ * 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
+ *
+ *     https://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 com.expediagroup.graphql.federation.data.integration.key.failure._4
+
+import com.expediagroup.graphql.federation.directives.ExternalDirective
+import com.expediagroup.graphql.federation.directives.FieldSet
+import com.expediagroup.graphql.federation.directives.KeyDirective
+import io.mockk.mockk
+
+/*
+# example usage of invalid type - external type specified in local object
+type BaseKeyReferencingExternalFields @key(fields : "id") {
+  description: String!
+  id: String! @external
+}
+ */
+@KeyDirective(fields = FieldSet("id"))
+data class BaseKeyReferencingExternalFields(@ExternalDirective val id: String, val description: String)
+
+class BaseKeyReferencingExternalFieldsQuery {
+    fun keyQuery(): BaseKeyReferencingExternalFields = mockk()
+}

graphql-kotlin-federation/src/test/kotlin/com/expediagroup/graphql/federation/data/integration/key/failure/_5/ExternalKeyReferencingLocalField.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2020 Expedia, Inc
+ *
+ * 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
+ *
+ *     https://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 com.expediagroup.graphql.federation.data.integration.key.failure._5
+
+import com.expediagroup.graphql.federation.directives.ExtendsDirective
+import com.expediagroup.graphql.federation.directives.FieldSet
+import com.expediagroup.graphql.federation.directives.KeyDirective
+
+/*
+# example invalid usage of @key directive - extended type references local field
+type ExternalKeyReferencingLocalField @extends @key(fields : "id") {
+  description: String!
+  id: String!
+}
+ */
+@KeyDirective(fields = FieldSet("id"))
+@ExtendsDirective
+data class ExternalKeyReferencingLocalField(val id: String, val description: String)

graphql-kotlin-federation/src/test/kotlin/com/expediagroup/graphql/federation/data/integration/key/failure/_6/KeyReferencingList.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020 Expedia, Inc
+ *
+ * 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
+ *
+ *     https://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 com.expediagroup.graphql.federation.data.integration.key.failure._6
+
+import com.expediagroup.graphql.federation.directives.FieldSet
+import com.expediagroup.graphql.federation.directives.KeyDirective
+import io.mockk.mockk
+
+/*
+# example usage of invalid @key directive - field set references a list
+type KeyReferencingList @key(fields : "id") {
+  description: String!
+  id: [String!]!
+}
+ */
+@KeyDirective(fields = FieldSet("id"))
+data class KeyReferencingList(val id: List<String>, val description: String)
+
+class KeyReferencingListQuery {
+    fun keyQuery(): KeyReferencingList = mockk()
+}

graphql-kotlin-federation/src/test/kotlin/com/expediagroup/graphql/federation/data/integration/key/failure/_7/KeyReferencingInterface.kt

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2020 Expedia, Inc
+ *
+ * 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
+ *
+ *     https://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 com.expediagroup.graphql.federation.data.integration.key.failure._7
+
+import com.expediagroup.graphql.federation.directives.FieldSet
+import com.expediagroup.graphql.federation.directives.KeyDirective
+import io.mockk.mockk
+
+/*
+# example usage of invalid @key directive - field set references interface
+type KeyReferencingInterface @key(fields : "id") {
+  description: String!
+  id: KeyInterface!
+}
+
+interface KeyInterface {
+  id: String!
+}
+ */
+@KeyDirective(fields = FieldSet("id"))
+data class KeyReferencingInterface(val id: KeyInterface, val description: String)
+
+interface KeyInterface {
+    val id: String
+}
+
+class KeyReferencingInterfaceQuery {
+    fun keyQuery(): KeyReferencingInterface = mockk()
+}

graphql-kotlin-federation/src/test/kotlin/com/expediagroup/graphql/federation/data/integration/key/failure/_8/KeyReferencingUnion.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2020 Expedia, Inc
+ *
+ * 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
+ *
+ *     https://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 com.expediagroup.graphql.federation.data.integration.key.failure._8
+
+import com.expediagroup.graphql.federation.directives.FieldSet
+import com.expediagroup.graphql.federation.directives.KeyDirective
+import io.mockk.mockk
+
+/*
+# example invalid usage of @key directive - field set references a union
+type KeyReferencingUnion @key(fields : "id") {
+  description: String!
+  id: KeyUnion!
+}
+
+type Key {
+  id: String!
+}
+
+union KeyUnion = Key
+ */
+@KeyDirective(fields = FieldSet("id"))
+data class KeyReferencingUnion(val id: KeyUnion, val description: String)
+
+interface KeyUnion
+
+@Suppress("UnusedPrivateClass")
+data class Key(val id: String) : KeyUnion
+
+class KeyReferencingUnionQuery {
+    fun keyQuery(): KeyReferencingUnion = mockk()
+}

graphql-kotlin-federation/src/test/kotlin/com/expediagroup/graphql/federation/data/integration/key/failure/_9/NestedKeyReferencingScalar.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020 Expedia, Inc
+ *
+ * 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
+ *
+ *     https://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 com.expediagroup.graphql.federation.data.integration.key.failure._9
+
+import com.expediagroup.graphql.federation.directives.FieldSet
+import com.expediagroup.graphql.federation.directives.KeyDirective
+import io.mockk.mockk
+
+/*
+# example invalid usage of @key directive - field set references complex key on scalar
+type NestedKeyReferencingScalar @key(fields : "id { uuid }") {
+  description: String!
+  id: String!
+}
+ */
+@KeyDirective(fields = FieldSet("id { uuid }"))
+data class NestedKeyReferencingScalar(val id: String, val description: String)
+
+class NestedKeyReferencingScalarQuery {
+    fun keyQuery(): NestedKeyReferencingScalar = mockk()
+}

graphql-kotlin-federation/src/test/kotlin/com/expediagroup/graphql/federation/data/integration/key/success/_1/SimpleKey.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020 Expedia, Inc
+ *
+ * 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
+ *
+ *     https://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 com.expediagroup.graphql.federation.data.integration.key.success._1
+
+import com.expediagroup.graphql.federation.directives.FieldSet
+import com.expediagroup.graphql.federation.directives.KeyDirective
+import io.mockk.mockk
+
+/*
+# example usage of a valid @key directive referencing single field on a local type
+type SimpleKey @key(fields : "id") {
+  description: String!
+  id: String!
+}
+ */
+@KeyDirective(fields = FieldSet("id"))
+data class SimpleKey(val id: String, val description: String)
+
+class SimpleKeyQuery {
+    fun simpleKey(): SimpleKey = mockk()
+}