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bs-jest-fetch-mock

v2.0.0

Published

jest-fetch-mock bindings for BuckleScript in Reason

Downloads

9

Readme

bs-jest-fetch-mock Travis (.org) npm Coveralls github npm NPM

jest-fetch-mock bindings for BuckleScript in Reason

Installation

Prerequisite: you have installed jest-fetch-mock.

npm install --save-dev bs-jest-fetch-mock

# or ...

yarn add -D bs-jest-fetch-mock

Usage

Add to bsconfig.json

  ...
  "bs-dependencies": [
+   "bs-jest-fetch-mock"
  ]
  ...

API

For more example, please refer to JestFetchMock_test.re

BsJestFetchMock is the root namespace module.

JestFetchMock.mockResponse

string

JestFetchMock.mockResponse(`Str({|{ "body": "ok" }|}), Js.Undefined.empty);

string with init

JestFetchMock.mockResponse(
  `Str({|{ "body": "ok" }|}),
  Js.Undefined.return(
    init(
      ~status=204,
      ~statusText="nothing for you",
      ~headers=Js.Dict.fromList([("Authorization", "Bearer <token>")]),
      (),
    ),
  ),
);

function (with string)

JestFetchMock.mockResponse(
  `FnStr(
    req =>
      if (Fetch.Request.url(req) == "http://parsed_url/") {
        resolve({|{ "body": "ok" }|});
      } else {
        resolve("");
      },
  ),
  Js.Undefined.empty,
);

function (with response)

JestFetchMock.mockResponse(
  `FnResp(
    req =>
      if (Fetch.Request.url(req) == "http://parsed_url/") {
        response(
          ~body={|{ "body": "ok" }|},
          ~status=200,
          ~statusText="OK",
          ~headers=
            Js.Dict.fromList([("Authorization", "Bearer <token>")]),
          (),
        )
        |> resolve,
      } else {
        response(
          ~body="",
          ~status=418,
          ~statusText="I'm a teapot",
          ~headers=
            Js.Dict.fromList([("Authorization", "Bearer <token>")]),
          (),
        )
        |> resolve,
      },
  ),
  Js.Undefined.empty,
);

JestFetchMock.mockResponseOnce

Same function signature as mockResponse.

JestFetchMock.mockResponsesStr

JestFetchMock.mockResponsesStr([|
  ({|"first body"|}, Js.Undefined.empty),
  (
    {|"second body"|},
    Js.Undefined.return(
      init(
        ~status=200,
        ~statusText="ok",
        ~headers=Js.Dict.fromList([("Authorization", "Bearer <token>")]),
        (),
      ),
    ),
  ),
|]);

JestFetchMock.mockResponsesFn

JestFetchMock.mockResponsesFn([|
  (_req => Js.Promise.resolve({|"first body"|}), Js.Undefined.empty),
  (
    _req => Js.Promise.resolve({|"second body"|}),
    Js.Undefined.return(
      init(
        ~status=200,
        ~statusText="ok",
        ~headers=Js.Dict.fromList([("Authorization", "Bearer <token>")]),
        (),
      ),
    ),
  ),
|]);

JestFetchMock.mockResponsesFnResp

JestFetchMock.mockResponsesFnResp([|
  (
	  _req =>
      response(
        ~body={|"first body"|},
        ~status=418,
        ~statusText="I'm a teapot",
        (),
      )
      |> resolve,
	  Js.Undefined.empty
	),
  (
    _req =>
      response(
        ~body={|"second body"|},
        (),
      )
      |> resolve,
    Js.Undefined.return(
      init(
        ~status=200,
        ~statusText="ok",
        ~headers=Js.Dict.fromList([("Authorization", "Bearer <token>")]),
        (),
      ),
    ),
  ),
|]);

JestFetchMock.mockReject

string

JestFetchMock.mockReject(`Str({|{ "body": "ok" }|}));

function

JestFetchMock.mockReject(`FnStr(_req => Js.Promise.resolve({|{ "body": "ok" }|})));

JestFetchMock.mockRejectOnce

Same function signature as mockReject.

JestFetchMock.mockAbort

JestFetchMock.mockReject();

JestFetchMock.mockAbortOnce

Same function signature as mockAbort.

JestFetchMock.resetMocks

JestFetchMock.resetMocks();

Testing the library

npm test

this will compile and execute tests with bs-jest

Contributions

Don't hesitate to open a PR with a new binding - while bumping up the amount of covered bindings in the README. There are tests, use them and write the most simple test you can think of to make sure that the bindings work correctly.