support validating an array of documents

docs/api.md

@@ -146,7 +146,7 @@ POST - `/document/validate` Confirm that all client operations are supported by
 ```json
 {
   "graphName": "my_graph",
-  "document": "query { hello }"
+  "documents": ["query { hello }"]
 }
 ```
 

src/registry/document-validation/document-validation.test.ts

@@ -51,7 +51,13 @@ test('Should validate document as valid', async (t) => {
     method: 'POST',
     url: '/document/validate',
     payload: {
-      document: `query { hello }`,
+      documents: [
+        /* GraphQL */ `
+          query {
+            hello
+          }
+        `,
+      ],
       graphName: `${t.context.graphName}`,
     },
   })
@@ -94,7 +100,13 @@ test('Should validate document as invalid because field does not exist', async (
     method: 'POST',
     url: '/document/validate',
     payload: {
-      document: `query { world }`,
+      documents: [
+        /* GraphQL */ `
+          query {
+            world
+          }
+        `,
+      ],
       graphName: `${t.context.graphName}`,
     },
   })
@@ -108,14 +120,14 @@ test('Should validate document as invalid because field does not exist', async (
       error: [
         {
           source: {
-            body: '{\n  world\n}\n',
+            body: '\n          query {\n            world\n          }\n        ',
             name: 'GraphQL request',
             locationOffset: { line: 1, column: 1 },
           },
           errors: [
             {
               message: 'Cannot query field "world" on type "Query".',
-              locations: [{ line: 2, column: 3 }],
+              locations: [{ line: 3, column: 13 }],
             },
           ],
           deprecated: [],
@@ -136,11 +148,13 @@ test('Should return 400 error when graph does not exist', async (t) => {
     method: 'POST',
     url: '/document/validate',
     payload: {
-      document: /* GraphQL */ `
-        query {
-          world
-        }
-      `,
+      documents: [
+        /* GraphQL */ `
+          query {
+            world
+          }
+        `,
+      ],
       graphName: `${t.context.graphName}`,
     },
   })

src/registry/document-validation/document-validation.ts

@@ -17,7 +17,7 @@ import { document, graphName } from '../../core/shared-schemas'
 
 export interface RequestContext {
   Body: {
-    document: string
+    documents: string[]
     graphName: string
   }
 }
@@ -31,9 +31,9 @@ export const schema: FastifySchema = {
   },
   body: S.object()
     .additionalProperties(false)
-    .required(['document', 'graphName'])
+    .required(['documents', 'graphName'])
     .prop('graphName', graphName)
-    .prop('document', document),
+    .prop('documents', S.array().items(document).minItems(1).maxItems(100)),
 }
 
 export default function documentValidation(fastify: FastifyInstance) {
@@ -87,14 +87,14 @@ export default function documentValidation(fastify: FastifyInstance) {
       throw SchemaCompositionError(updated.error)
     }
 
-    let doc = null
+    let sources: Source[] = []
     try {
-      doc = parse(req.body.document)
+      sources = req.body.documents.map((document) => new Source(document))
     } catch {
       throw InvalidDocumentError()
     }
 
-    const invalidDocuments = validateDocument(updated.schema, [new Source(print(doc))], {
+    const invalidDocuments = validateDocument(updated.schema, sources, {
       apollo: true,
       strictDeprecated: true,
       maxDepth: 10,