feat: Expose and test the count resolver.

Author: vincentdesmares

src/generate/index.js

@@ -1,6 +1,7 @@
 const generateMutationCreate = require('./mutationCreateResolver')
 const generateMutationUpdate = require('./mutationUpdateResolver')
 const generateMutationDelete = require('./mutationDeleteResolver')
+const generateCount = require('./countResolver')
 const generateModelTypes = require('./modelTypes')
 const generateGraphQLType = require('./graphQLType')
 const generateSchema = require('./schema')
@@ -17,6 +18,7 @@ module.exports = {
   generateMutationCreate,
   generateMutationUpdate,
   generateMutationDelete,
+  generateCount,
   generateSchema,
   generateGraphqlExpressMiddleware,
   injectAssociations

src/index.js

@@ -6,7 +6,8 @@ const {
   generateGraphqlExpressMiddleware,
   generateSchema,
   generateModelTypes,
-  injectAssociations
+  injectAssociations,
+  generateCount
 } = require('./generate')
 
 const removeUnusedAttributes = require('./removeUnusedAttributes')
@@ -21,6 +22,7 @@ module.exports = {
   generateGraphqlExpressMiddleware,
   generateSchema,
   generateModelTypes,
+  generateCount,
   // Functions that you can use in your resolvers
   removeUnusedAttributes,
   injectAssociations

src/tests/__snapshots__/countResolver.spec.js.snap

@@ -0,0 +1,159 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Test the count resolvers Check that you can query a custom list resolver: Users ids and count 1`] = `
+Object {
+  "user": Array [
+    Object {
+      "id": 5,
+    },
+    Object {
+      "id": 10,
+    },
+    Object {
+      "id": 15,
+    },
+    Object {
+      "id": 20,
+    },
+    Object {
+      "id": 25,
+    },
+    Object {
+      "id": 30,
+    },
+    Object {
+      "id": 35,
+    },
+    Object {
+      "id": 40,
+    },
+    Object {
+      "id": 45,
+    },
+    Object {
+      "id": 50,
+    },
+    Object {
+      "id": 55,
+    },
+    Object {
+      "id": 60,
+    },
+    Object {
+      "id": 65,
+    },
+    Object {
+      "id": 70,
+    },
+    Object {
+      "id": 75,
+    },
+    Object {
+      "id": 80,
+    },
+    Object {
+      "id": 85,
+    },
+    Object {
+      "id": 90,
+    },
+    Object {
+      "id": 95,
+    },
+    Object {
+      "id": 100,
+    },
+    Object {
+      "id": 105,
+    },
+    Object {
+      "id": 110,
+    },
+    Object {
+      "id": 115,
+    },
+    Object {
+      "id": 120,
+    },
+    Object {
+      "id": 125,
+    },
+    Object {
+      "id": 130,
+    },
+    Object {
+      "id": 135,
+    },
+    Object {
+      "id": 140,
+    },
+    Object {
+      "id": 145,
+    },
+    Object {
+      "id": 150,
+    },
+    Object {
+      "id": 155,
+    },
+    Object {
+      "id": 160,
+    },
+    Object {
+      "id": 165,
+    },
+    Object {
+      "id": 170,
+    },
+    Object {
+      "id": 175,
+    },
+    Object {
+      "id": 180,
+    },
+    Object {
+      "id": 185,
+    },
+    Object {
+      "id": 190,
+    },
+    Object {
+      "id": 195,
+    },
+    Object {
+      "id": 200,
+    },
+    Object {
+      "id": 205,
+    },
+    Object {
+      "id": 210,
+    },
+    Object {
+      "id": 215,
+    },
+    Object {
+      "id": 220,
+    },
+    Object {
+      "id": 225,
+    },
+    Object {
+      "id": 230,
+    },
+    Object {
+      "id": 235,
+    },
+    Object {
+      "id": 240,
+    },
+    Object {
+      "id": 245,
+    },
+    Object {
+      "id": 250,
+    },
+  ],
+  "userCount": 50,
+}
+`;

src/tests/countResolver.spec.js

@@ -0,0 +1,41 @@
+const request = require('supertest')
+const { deleteTables } = require('./testDatabase.js')
+const { createServer, closeServer, resetDb } = require('./setupServer')
+
+/**
+ * Starting the tests
+ */
+describe('Test the count resolvers', () => {
+  let server = null
+
+  beforeAll(async () => {
+    server = await createServer()
+  })
+
+  afterAll(() => closeServer(server))
+
+  beforeEach(async () => {
+    await resetDb()
+  })
+
+  afterEach(async () => {
+    await deleteTables()
+  })
+
+  it('Check that you can query a custom list resolver', async () => {
+    const response = await request(server)
+      .get(
+        `/graphql?query=
+          query getUserAndCount {
+              user {
+                id
+              }
+              userCount
+          }`
+      )
+      .set('userId', 1)
+    expect(response.body.data.user).not.toBeUndefined()
+    expect(response.body.data).toMatchSnapshot('Users ids and count')
+    expect(response.body.data.user.length).toBe(response.body.data.userCount)
+  })
+})

src/tests/schema.js

@@ -18,7 +18,7 @@ graphqlSchemaDeclaration.companyType = {
 
 graphqlSchemaDeclaration.user = {
   model: models.user,
-  actions: ['list', 'create', 'delete', 'update'],
+  actions: ['list', 'create', 'delete', 'update', 'count'],
   list: {
     before: (findOptions, args, context, info) => {
       if (typeof findOptions.where === 'undefined') {