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lib/src/test/kotlin/graphql/nadel/validation/NadelUnionValidationTest.kt
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| package graphql.nadel.validation | ||
|
|
||
| import graphql.nadel.validation.util.assertSingleOfType | ||
| import org.junit.jupiter.api.Test | ||
| import kotlin.test.assertTrue | ||
|
|
||
| class NadelUnionValidationTest { | ||
| @Test | ||
| fun `no errors for valid schema`() { | ||
| val fixture = NadelValidationTestFixture( | ||
| overallSchema = mapOf( | ||
| "entities" to /* language=GraphQL */ """ | ||
| type Query { | ||
| entity(id: ID!): Entity | ||
| } | ||
| union Entity = Human | Dog | ||
| type Human { | ||
| id: ID! | ||
| } | ||
| type Dog { | ||
| name: String | ||
| } | ||
| """.trimIndent(), | ||
| ), | ||
| underlyingSchema = mapOf( | ||
| "entities" to /* language=GraphQL */ """ | ||
| type Query { | ||
| entity(id: ID!): Entity | ||
| } | ||
| union Entity = Human | Dog | ||
| type Human { | ||
| id: ID! | ||
| } | ||
| type Dog { | ||
| name: String | ||
| } | ||
| """.trimIndent(), | ||
| ), | ||
| ) | ||
|
|
||
| val errors = validate(fixture) | ||
| assertTrue(errors.map { it.message }.isEmpty()) | ||
| } | ||
|
|
||
| @Test | ||
| fun `union in overall schema can have fewer members than underlying schema`() { | ||
| val fixture = NadelValidationTestFixture( | ||
| overallSchema = mapOf( | ||
| "entities" to /* language=GraphQL */ """ | ||
| type Query { | ||
| entity(id: ID!): Entity | ||
| } | ||
| union Entity = Dog | ||
| type Human { | ||
| id: ID! | ||
| } | ||
| type Dog { | ||
| name: String | ||
| } | ||
| """.trimIndent(), | ||
| ), | ||
| underlyingSchema = mapOf( | ||
| "entities" to /* language=GraphQL */ """ | ||
| type Query { | ||
| entity(id: ID!): Entity | ||
| } | ||
| union Entity = Human | Dog | ||
| type Human { | ||
| id: ID! | ||
| } | ||
| type Dog { | ||
| name: String | ||
| } | ||
| """.trimIndent(), | ||
| ), | ||
| ) | ||
|
|
||
| val errors = validate(fixture) | ||
| assertTrue(errors.map { it.message }.isEmpty()) | ||
| } | ||
|
|
||
| @Test | ||
| fun `errors if union in overall schema declares members not in underlying schema`() { | ||
| val fixture = NadelValidationTestFixture( | ||
| overallSchema = mapOf( | ||
| "entities" to /* language=GraphQL */ """ | ||
| type Query { | ||
| entity(id: ID!): Entity | ||
| } | ||
| union Entity = Human | Dog | Tree | ||
| type Human { | ||
| id: ID! | ||
| } | ||
| type Dog { | ||
| name: String | ||
| } | ||
| type Tree { | ||
| location: String | ||
| } | ||
| """.trimIndent(), | ||
| ), | ||
| underlyingSchema = mapOf( | ||
| "entities" to /* language=GraphQL */ """ | ||
| type Query { | ||
| entity(id: ID!): Entity | ||
| } | ||
| union Entity = Human | Dog | ||
| type Human { | ||
| id: ID! | ||
| } | ||
| type Dog { | ||
| name: String | ||
| } | ||
| type Tree { | ||
| location: String | ||
| } | ||
| """.trimIndent(), | ||
| ), | ||
| ) | ||
|
|
||
| val errors = validate(fixture) | ||
| assertTrue(errors.map { it.message }.isNotEmpty()) | ||
|
|
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| val error = errors.assertSingleOfType<NadelSchemaValidationError.UnionHasExtraType>() | ||
| assertTrue(error.service.name == "entities") | ||
| assertTrue(error.unionType.name == "Entity") | ||
| assertTrue(error.extraType.name == "Tree") | ||
| } | ||
|
|
||
| @Test | ||
| fun `cannot add types not defined in service`() { | ||
| val fixture = NadelValidationTestFixture( | ||
| overallSchema = mapOf( | ||
| "issues" to /* language=GraphQL */ """ | ||
| type Issue { | ||
| id: ID! | ||
| } | ||
| """.trimIndent(), | ||
| "entities" to /* language=GraphQL */ """ | ||
| type Query { | ||
| entity(id: ID!): Entity | ||
| } | ||
| union Entity = Human | Dog | Issue | ||
| type Human { | ||
| id: ID! | ||
| } | ||
| type Dog { | ||
| name: String | ||
| } | ||
| type Tree { | ||
| location: String | ||
| } | ||
| """.trimIndent(), | ||
| ), | ||
| underlyingSchema = mapOf( | ||
| "issues" to /* language=GraphQL */ """ | ||
| type Query { | ||
| echo: String | ||
| } | ||
| type Issue { | ||
| id: ID! | ||
| } | ||
| """.trimIndent(), | ||
| "entities" to /* language=GraphQL */ """ | ||
| type Query { | ||
| entity(id: ID!): Entity | ||
| } | ||
| union Entity = Human | Dog | ||
| type Human { | ||
| id: ID! | ||
| } | ||
| type Dog { | ||
| name: String | ||
| } | ||
| type Tree { | ||
| location: String | ||
| } | ||
| """.trimIndent(), | ||
| ), | ||
| ) | ||
|
|
||
| val errors = validate(fixture) | ||
| assertTrue(errors.map { it.message }.isNotEmpty()) | ||
|
|
||
| val error = errors.assertSingleOfType<NadelSchemaValidationError.MissingUnderlyingType>() | ||
| assertTrue(error.service.name == "entities") | ||
| assertTrue(error.overallType.name == "Issue") | ||
| } | ||
|
|
||
| @Test | ||
| fun `runs type validation on unions members`() { | ||
| val fixture = NadelValidationTestFixture( | ||
| overallSchema = mapOf( | ||
| "issues" to /* language=GraphQL */ """ | ||
| type Issue { | ||
| id: ID! | ||
| } | ||
| """.trimIndent(), | ||
| "entities" to /* language=GraphQL */ """ | ||
| type Query { | ||
| entity(id: ID!): Entity | ||
| } | ||
| union Entity = Human | Dog | Issue | ||
| type Human { | ||
| id: ID! | ||
| } | ||
| type Dog { | ||
| name: String | ||
| } | ||
| type Tree { | ||
| location: String | ||
| } | ||
| """.trimIndent(), | ||
| ), | ||
| underlyingSchema = mapOf( | ||
| "issues" to /* language=GraphQL */ """ | ||
| type Query { | ||
| echo: String | ||
| } | ||
| type Issue { | ||
| id: ID! | ||
| } | ||
| """.trimIndent(), | ||
| "entities" to /* language=GraphQL */ """ | ||
| type Query { | ||
| entity(id: ID!): Entity | ||
| } | ||
| union Entity = Human | Dog | ||
| type Human { | ||
| id: ID! | ||
| } | ||
| type Dog { | ||
| name: String | ||
| } | ||
| type Tree { | ||
| location: String | ||
| } | ||
| type Issue { | ||
| key: ID! | ||
| } | ||
| """.trimIndent(), | ||
| ), | ||
| ) | ||
|
|
||
| val errors = validate(fixture) | ||
| assertTrue(errors.map { it.message }.isNotEmpty()) | ||
|
|
||
| val error = errors.assertSingleOfType<NadelSchemaValidationError.MissingUnderlyingField>() | ||
| assertTrue(error.service.name == "entities") | ||
| assertTrue(error.parentType.overall.name == "Issue") | ||
| assertTrue(error.overallField.name == "id") | ||
| } | ||
| } |