diff --git a/package.json b/package.json
index afa98e17c..bf402cab4 100644
--- a/package.json
+++ b/package.json
@@ -72,9 +72,10 @@
     "eslint-plugin-prettier": "^3.1.0",
     "eslint-plugin-promise": "^4.1.1",
     "eslint-plugin-standard": "^4.0.0",
+    "jest": "^24.8.0",
+    "jest-worker": "^24.9.0",
     "lodash": "^4.17.14",
     "prettier": "^1.17.1",
-    "jest": "^24.8.0",
     "ts-jest": "^24.0.2",
     "tslint": "^5.10.0",
     "tslint-config-standard": "^7.0.0"
diff --git a/test/integration/cancel.spec.ts b/test/integration/cancel.spec.ts
new file mode 100644
index 000000000..6eed32f4d
--- /dev/null
+++ b/test/integration/cancel.spec.ts
@@ -0,0 +1,38 @@
+import Mastodon from '@/mastodon'
+import Worker from 'jest-worker'
+
+jest.mock('axios', () => {
+  const mockAxios = jest.requireActual('axios')
+  mockAxios.get = (_path: string) => {
+    return new Promise(resolve => {
+      setTimeout(() => {
+        console.log('hoge')
+        resolve({
+          data: 'hoge',
+          status: 200,
+          statusText: '200OK',
+          headers: [],
+          config: {}
+        })
+      }, 5000)
+    })
+  }
+  return mockAxios
+})
+
+const worker = async (client: Mastodon) => {
+  const w: any = new Worker(require.resolve('./cancelWorker.ts'))
+  await w.cancel(client)
+}
+
+// Could not use jest-worker under typescript.
+// I'm waiting for resolve this issue.
+// https://github.com/facebook/jest/issues/8872
+describe.skip('cancel', () => {
+  const client = new Mastodon('testToken', 'https://pleroma.io/api/v1')
+  it('should be raised', async () => {
+    const getPromise = client.get<{}>('/timelines/home')
+    worker(client)
+    await expect(getPromise).rejects.toThrow()
+  })
+})
diff --git a/test/integration/cancelWorker.ts b/test/integration/cancelWorker.ts
new file mode 100644
index 000000000..6c6cf2393
--- /dev/null
+++ b/test/integration/cancelWorker.ts
@@ -0,0 +1,5 @@
+import Mastodon from '@/mastodon'
+
+export function cancel(client: Mastodon) {
+  return client.cancel()
+}
diff --git a/test/integration/mastodon.spec.ts b/test/integration/mastodon.spec.ts
new file mode 100644
index 000000000..b8ded6372
--- /dev/null
+++ b/test/integration/mastodon.spec.ts
@@ -0,0 +1,153 @@
+import Mastodon from '@/mastodon'
+import { Account } from '@/entities/account'
+import { Status } from '@/entities/status'
+import { Application } from '@/entities/application'
+import Response from '@/response'
+import axios, { AxiosResponse } from 'axios'
+
+jest.mock('axios')
+
+const account: Account = {
+  id: '1',
+  username: 'h3poteto',
+  acct: 'h3poteto@pleroma.io',
+  display_name: 'h3poteto',
+  locked: false,
+  created_at: '2019-03-26T21:30:32',
+  followers_count: 10,
+  following_count: 10,
+  statuses_count: 100,
+  note: 'engineer',
+  url: 'https://pleroma.io',
+  avatar: '',
+  avatar_static: '',
+  header: '',
+  header_static: '',
+  emojis: [],
+  moved: null,
+  fields: null,
+  bot: false
+}
+
+const status: Status = {
+  id: '1',
+  uri: 'http://example.com',
+  url: 'http://example.com',
+  account: account,
+  in_reply_to_id: null,
+  in_reply_to_account_id: null,
+  reblog: null,
+  content: 'hoge',
+  created_at: '2019-03-26T21:40:32',
+  emojis: [],
+  replies_count: 0,
+  reblogs_count: 0,
+  favourites_count: 0,
+  reblogged: null,
+  favourited: null,
+  muted: null,
+  sensitive: false,
+  spoiler_text: '',
+  visibility: 'public',
+  media_attachments: [],
+  mentions: [],
+  tags: [],
+  card: null,
+  poll: null,
+  application: {
+    name: 'Web'
+  } as Application,
+  language: null,
+  pinned: null
+}
+;(axios.CancelToken.source as any).mockImplementation(() => {
+  return {
+    token: 'cancelToken'
+  }
+})
+
+describe('get', () => {
+  const client = new Mastodon('testToken', 'https://pleroma.io/api/v1')
+  const mockResponse: AxiosResponse<Array<Status>> = {
+    data: [status],
+    status: 200,
+    statusText: '200OK',
+    headers: [],
+    config: {}
+  }
+  it('should be responsed', async () => {
+    ;(axios.get as any).mockResolvedValue(mockResponse)
+    const response: Response<Array<Status>> = await client.get<Array<Status>>('/timelines/home')
+    expect(response.data).toEqual([status])
+  })
+})
+
+describe('put', () => {
+  const client = new Mastodon('testToken', 'https://pleroma.io/api/v1')
+  const mockResponse: AxiosResponse<Account> = {
+    data: account,
+    status: 200,
+    statusText: '200OK',
+    headers: [],
+    config: {}
+  }
+  it('should be responsed', async () => {
+    ;(axios.put as any).mockResolvedValue(mockResponse)
+    const response: Response<Account> = await client.put<Account>('/accounts/update_credentials', {
+      display_name: 'hoge'
+    })
+    expect(response.data).toEqual(account)
+  })
+})
+
+describe('patch', () => {
+  const client = new Mastodon('testToken', 'https://pleroma.io/api/v1')
+  const mockResponse: AxiosResponse<Account> = {
+    data: account,
+    status: 200,
+    statusText: '200OK',
+    headers: [],
+    config: {}
+  }
+  it('should be responsed', async () => {
+    ;(axios.patch as any).mockResolvedValue(mockResponse)
+    const response: Response<Account> = await client.patch<Account>('/accounts/update_credentials', {
+      display_name: 'hoge'
+    })
+    expect(response.data).toEqual(account)
+  })
+})
+
+describe('post', () => {
+  const client = new Mastodon('testToken', 'https://pleroma.io/api/v1')
+  const mockResponse: AxiosResponse<Status> = {
+    data: status,
+    status: 200,
+    statusText: '200OK',
+    headers: [],
+    config: {}
+  }
+  it('should be responsed', async () => {
+    ;(axios.post as any).mockResolvedValue(mockResponse)
+    const response: Response<Status> = await client.post<Status>('/statuses', {
+      status: 'hoge'
+    })
+    expect(response.data).toEqual(status)
+  })
+})
+
+describe('del', () => {
+  const client = new Mastodon('testToken', 'https://pleroma.io/api/v1')
+  const mockResponse: AxiosResponse<{}> = {
+    data: {},
+    status: 200,
+    statusText: '200OK',
+    headers: [],
+    config: {}
+  }
+  it('should be responsed', async () => {
+    ;(axios.delete as any).mockResolvedValue(mockResponse)
+    const response: Response<{}> = await client.del<{}>('/statuses/12asdf34')
+    expect(response.data).toEqual({})
+  })
+})
diff --git a/test/unit/parser.spec.ts b/test/unit/parser.spec.ts
index 3c6df4aa2..fd6c13018 100644
--- a/test/unit/parser.spec.ts
+++ b/test/unit/parser.spec.ts
@@ -26,6 +26,7 @@ const account: Account = {
   fields: null,
   bot: false
 }
+
 const status: Status = {
   id: '1',
   uri: 'http://example.com',
diff --git a/yarn.lock b/yarn.lock
index 3b4512297..766c42a87 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2504,6 +2504,14 @@ jest-worker@^24.6.0:
     merge-stream "^1.0.1"
     supports-color "^6.1.0"
 
+jest-worker@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-24.9.0.tgz#5dbfdb5b2d322e98567898238a9697bcce67b3e5"
+  integrity sha512-51PE4haMSXcHohnSMdM42anbvZANYTqMrr52tVKPqqsPJMzoP6FYYDVqahX/HrAoKEKz3uUPzSvKs9A3qR4iVw==
+  dependencies:
+    merge-stream "^2.0.0"
+    supports-color "^6.1.0"
+
 jest@^24.8.0:
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/jest/-/jest-24.8.0.tgz#d5dff1984d0d1002196e9b7f12f75af1b2809081"
@@ -2776,6 +2784,11 @@ merge-stream@^1.0.1:
   dependencies:
     readable-stream "^2.0.1"
 
+merge-stream@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/merge-stream/-/merge-stream-2.0.0.tgz#52823629a14dd00c9770fb6ad47dc6310f2c1f60"
+  integrity sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==
+
 micromatch@^3.1.10, micromatch@^3.1.4:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"