git.r.bdr.sh - rbdr/forum/blob - src/lib/stores/posts.test.ts

   1 import { GraphQLInteraction, Pact, Matchers } from '@pact-foundation/pact';
   2 import { resolve } from 'path';
   3
   4 import { resolveAfter } from '$lib/utils/resolve_after';
   5
   6 const { eachLike, like } = Matchers;
   7
   8 jest.mock('$lib/config/config.ts');
   9
  10 import { getPost } from './posts';
  11
  12 const internals = {
  13   provider: null
  14 };
  15
  16 describe('Posts store pact', () => {
  17
  18   beforeAll(async () => {
  19
  20     internals.provider = new Pact({
  21       port: 1234,
  22       dir: resolve(process.cwd(), 'pacts'),
  23       consumer: 'ForumClient',
  24       provider: 'ForumServer',
  25       pactfileWriteMode: 'update'
  26     });
  27
  28     await internals.provider.setup();
  29   });
  30
  31   afterEach(() => internals.provider.verify());
  32   afterAll(() => internals.provider.finalize());
  33
  34   describe('When there\'s data', () => {
  35
  36     describe('GetPost', () => {
  37
  38       beforeAll(async () => {
  39
  40         const postQuery = new GraphQLInteraction()
  41           .given('there\'s data')
  42           .uponReceiving('a request to get a single post')
  43           .withRequest({
  44             path: '/graphql',
  45             method: 'POST'
  46           })
  47           .withOperation('GetPost')
  48           .withQuery(
  49             `query GetPost($id: ID!) {
  50               post(id: $id) {
  51                 id
  52                 text
  53                 created_at
  54                 author {
  55                   id
  56                   handle
  57                   __typename
  58                 }
  59                 topic {
  60                   id
  61                   title
  62                   __typename
  63                 }
  64                 __typename
  65               }
  66             }`
  67           )
  68           .withVariables({
  69             id: '8f75eba5-6989-4dd3-b466-e464546ce374'
  70           })
  71           .willRespondWith({
  72             status: 200,
  73             headers: {
  74               'Content-Type': 'application/json; charset=utf-8'
  75             },
  76             body: {
  77               data: {
  78                 post: like({
  79                   id: like('8f75eba5-6989-4dd3-b466-e464546ce374'),
  80                   text: like('This is a very pacty post'),
  81                   created_at: like(1619976194937),
  82                   author: like({
  83                     id: like('a805b3de-cac4-451c-a1e6-f078869c9db9'),
  84                     handle: like('pacts_person')
  85                   }),
  86                   topic: like({
  87                     id: like('5c283ce1-0470-4b98-86f5-1fec9a22c9ac'),
  88                     title: like('The parent pacts topic')
  89                   })
  90                 })
  91               }
  92             }
  93           });
  94         return await internals.provider.addInteraction(postQuery);
  95       });
  96
  97       test('it returns the post', async () => {
  98
  99         const post = getPost('8f75eba5-6989-4dd3-b466-e464546ce374');
 100         const { counter, promise: resolveAfterTwo } = resolveAfter(2);
 101         let response = null;
 102         post.subscribe((postValue) => {
 103
 104           response = postValue;
 105           counter();
 106         });
 107         expect(response.data).toBe(null);
 108         expect(response.loading).toBe(true);
 109         expect(response.error).toBe(undefined);
 110         await resolveAfterTwo;
 111         expect(response.data).toEqual({
 112           id: '8f75eba5-6989-4dd3-b466-e464546ce374',
 113           text: 'This is a very pacty post',
 114           created_at: 1619976194937,
 115           author: {
 116             id: 'a805b3de-cac4-451c-a1e6-f078869c9db9',
 117             handle: 'pacts_person'
 118           },
 119           topic: {
 120             id: '5c283ce1-0470-4b98-86f5-1fec9a22c9ac',
 121             title: 'The parent pacts topic'
 122           }
 123         });
 124         expect(response.loading).toBe(false);
 125         expect(response.error).toBe(undefined);
 126       });
 127     });
 128   });
 129
 130   describe('When there\'s no data', () => {
 131
 132     describe('GetPost', () => {
 133
 134       beforeAll(async () => {
 135
 136         const postQuery = new GraphQLInteraction()
 137           .given('there\'s no data')
 138           .uponReceiving('a request to get a single post')
 139           .withRequest({
 140             path: '/graphql',
 141             method: 'POST'
 142           })
 143           .withOperation('GetPost')
 144           .withQuery(
 145             `query GetPost($id: ID!) {
 146               post(id: $id) {
 147                 id
 148                 text
 149                 created_at
 150                 author {
 151                   id
 152                   handle
 153                   __typename
 154                 }
 155                 topic {
 156                   id
 157                   title
 158                   __typename
 159                 }
 160                 __typename
 161               }
 162             }`
 163           )
 164           .withVariables({
 165             id: '8f75eba5-6989-4dd3-b466-e464546ce374'
 166           })
 167           .willRespondWith({
 168             status: 200,
 169             headers: {
 170               'Content-Type': 'application/json; charset=utf-8'
 171             },
 172             body: {
 173               data: {
 174                 post: null
 175               }
 176             }
 177           });
 178         return await internals.provider.addInteraction(postQuery);
 179       });
 180
 181       test('it returns the post', async () => {
 182
 183         const post = getPost('8f75eba5-6989-4dd3-b466-e464546ce374');
 184         const { counter, promise: resolveAfterTwo } = resolveAfter(2);
 185         let response = null;
 186         post.subscribe((postValue) => {
 187
 188           response = postValue;
 189           counter();
 190         });
 191         expect(response.data).toBe(null);
 192         expect(response.loading).toBe(true);
 193         expect(response.error).toBe(undefined);
 194         await resolveAfterTwo;
 195         expect(response.data).toBe(null);
 196         expect(response.loading).toBe(false);
 197         expect(response.error).toBe(undefined);
 198       });
 199     });
 200   });
 201
 202   describe('When there\'s a server error', () => {
 203
 204     describe('GetPost', () => {
 205
 206       beforeAll(async () => {
 207
 208         const postQuery = new GraphQLInteraction()
 209           .given('there\'s a server error')
 210           .uponReceiving('a request to get a single post')
 211           .withRequest({
 212             path: '/graphql',
 213             method: 'POST'
 214           })
 215           .withOperation('GetPost')
 216           .withQuery(
 217             `query GetPost($id: ID!) {
 218               post(id: $id) {
 219                 id
 220                 text
 221                 created_at
 222                 author {
 223                   id
 224                   handle
 225                   __typename
 226                 }
 227                 topic {
 228                   id
 229                   title
 230                   __typename
 231                 }
 232                 __typename
 233               }
 234             }`
 235           )
 236           .withVariables({
 237             id: '8f75eba5-6989-4dd3-b466-e464546ce374'
 238           })
 239           .willRespondWith({
 240             status: 500
 241           });
 242         return await internals.provider.addInteraction(postQuery);
 243       });
 244
 245       test('it returns the error', async () => {
 246
 247         const post = getPost('8f75eba5-6989-4dd3-b466-e464546ce374');
 248         const { counter, promise: resolveAfterTwo } = resolveAfter(2);
 249         let response = null;
 250         post.subscribe((postValue) => {
 251
 252           response = postValue;
 253           counter();
 254         });
 255         expect(response.data).toBe(null);
 256         expect(response.loading).toBe(true);
 257         expect(response.error).toBe(undefined);
 258         await resolveAfterTwo;
 259         expect(response.data).toBe(null);
 260         expect(response.loading).toBe(false);
 261         expect(response.error).toBeInstanceOf(Error);
 262       });
 263     });
 264   });
 265
 266   describe('When there\'s an error in the response', () => {
 267
 268     describe('GetPost', () => {
 269
 270       beforeAll(async () => {
 271
 272         const postQuery = new GraphQLInteraction()
 273           .given('there\'s an error in the response')
 274           .uponReceiving('a request to get a single post')
 275           .withRequest({
 276             path: '/graphql',
 277             method: 'POST'
 278           })
 279           .withOperation('GetPost')
 280           .withQuery(
 281             `query GetPost($id: ID!) {
 282               post(id: $id) {
 283                 id
 284                 text
 285                 created_at
 286                 author {
 287                   id
 288                   handle
 289                   __typename
 290                 }
 291                 topic {
 292                   id
 293                   title
 294                   __typename
 295                 }
 296                 __typename
 297               }
 298             }`
 299           )
 300           .withVariables({
 301             id: '8f75eba5-6989-4dd3-b466-e464546ce374'
 302           })
 303           .willRespondWith({
 304             status: 200,
 305             headers: {
 306               'Content-Type': 'application/json; charset=utf-8'
 307             },
 308             body: {
 309               errors: eachLike({
 310                 message: like('An error occurred when fetching the post')
 311               })
 312             }
 313           });
 314         return await internals.provider.addInteraction(postQuery);
 315       });
 316
 317       test('it returns the error', async () => {
 318
 319         const post = getPost('8f75eba5-6989-4dd3-b466-e464546ce374');
 320         const { counter, promise: resolveAfterTwo } = resolveAfter(2);
 321         let response = null;
 322         post.subscribe((postValue) => {
 323
 324           response = postValue;
 325           counter();
 326         });
 327         expect(response.data).toBe(null);
 328         expect(response.loading).toBe(true);
 329         expect(response.error).toBe(undefined);
 330         await resolveAfterTwo;
 331         expect(response.data).toBe(null);
 332         expect(response.loading).toBe(false);
 333         expect(response.error.graphQLErrors).toEqual(expect.arrayContaining([{
 334           message: 'An error occurred when fetching the post'
 335         }]));
 336       });
 337     });
 338   });
 339 });