diff --git a/package-lock.json b/package-lock.json index 46c2de3..80cc673 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1885,19 +1885,18 @@ } }, "@types/yargs": { - "version": "15.0.5", - "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-15.0.5.tgz", - "integrity": "sha512-Dk/IDOPtOgubt/IaevIUbTgV7doaKkoorvOyYM2CMwuDyP89bekI7H4xLIwunNYiK9jhCkmc6pUrJk3cj2AB9w==", + "version": "15.0.14", + "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-15.0.14.tgz", + "integrity": "sha512-yEJzHoxf6SyQGhBhIYGXQDSCkJjB6HohDShto7m8vaKg9Yp0Yn8+71J9eakh2bnPg6BfsH9PRMhiRTZnd4eXGQ==", "requires": { "@types/yargs-parser": "*" } }, "ansi-styles": { - "version": "4.2.1", - "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz", - "integrity": "sha512-9VGjrMsG1vePxcSweQsN20KY/c4zN0h9fLjqAbwbPfahM3t+NL+M9HC8xeXG2I8pX5NoamTGNuomEUFI7fcUjA==", + "version": "4.3.0", + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz", + "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==", "requires": { - 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"integrity": "sha512-XTkK5exIeUbbveehcSR8w0bhH+c0yloW/Wpl+9vZrjzztCPWrxhHwkIFpZzCt71oRBsgxmuUfxEqOYoZI2macg==" + "integrity": "sha512-XTkK5exIeUbbveehcSR8w0bhH+c0yloW/Wpl+9vZrjzztCPWrxhHwkIFpZzCt71oRBsgxmuUfxEqOYoZI2macg==", + "dev": true }, "pretty-format": { "version": "27.0.6", "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-27.0.6.tgz", "integrity": "sha512-8tGD7gBIENgzqA+UBzObyWqQ5B778VIFZA/S66cclyd5YkFLYs2Js7gxDKf0MXtTc9zcS7t1xhdfcElJ3YIvkQ==", + "dev": true, "requires": { "@jest/types": "^27.0.6", "ansi-regex": "^5.0.0", @@ -2189,19 +2201,22 @@ "ansi-styles": { "version": "5.2.0", "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-5.2.0.tgz", - "integrity": "sha512-Cxwpt2SfTzTtXcfOlzGEee8O+c+MmUgGrNiBcXnuWxuFJHe6a5Hz7qwhwe5OgaSYI0IJvkLqWX1ASG+cJOkEiA==" + "integrity": "sha512-Cxwpt2SfTzTtXcfOlzGEee8O+c+MmUgGrNiBcXnuWxuFJHe6a5Hz7qwhwe5OgaSYI0IJvkLqWX1ASG+cJOkEiA==", + "dev": true } } }, "react-is": { "version": "17.0.2", "resolved": "https://registry.npmjs.org/react-is/-/react-is-17.0.2.tgz", - "integrity": "sha512-w2GsyukL62IJnlaff/nRegPQR94C/XXamvMWmSHRJ4y7Ts/4ocGRmTHvOs8PSE6pB3dWOrD/nueuU5sduBsQ4w==" + "integrity": "sha512-w2GsyukL62IJnlaff/nRegPQR94C/XXamvMWmSHRJ4y7Ts/4ocGRmTHvOs8PSE6pB3dWOrD/nueuU5sduBsQ4w==", + "dev": true }, "supports-color": { "version": "7.2.0", "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz", "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==", + "dev": true, "requires": { "has-flag": "^4.0.0" } @@ -2342,19 +2357,18 @@ } }, "@types/yargs": { - "version": "15.0.5", - "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-15.0.5.tgz", - "integrity": "sha512-Dk/IDOPtOgubt/IaevIUbTgV7doaKkoorvOyYM2CMwuDyP89bekI7H4xLIwunNYiK9jhCkmc6pUrJk3cj2AB9w==", + "version": "15.0.14", + "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-15.0.14.tgz", + "integrity": "sha512-yEJzHoxf6SyQGhBhIYGXQDSCkJjB6HohDShto7m8vaKg9Yp0Yn8+71J9eakh2bnPg6BfsH9PRMhiRTZnd4eXGQ==", "requires": { "@types/yargs-parser": "*" } }, "ansi-styles": { - "version": "4.2.1", - "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz", - "integrity": "sha512-9VGjrMsG1vePxcSweQsN20KY/c4zN0h9fLjqAbwbPfahM3t+NL+M9HC8xeXG2I8pX5NoamTGNuomEUFI7fcUjA==", + "version": "4.3.0", + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz", + "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==", "requires": { - "@types/color-name": "^1.1.1", "color-convert": "^2.0.1" } }, @@ -7194,6 +7208,11 @@ "resolved": "https://registry.npmjs.org/immer/-/immer-1.10.0.tgz", "integrity": "sha512-O3sR1/opvCDGLEVcvrGTMtLac8GJ5IwZC4puPrLuRj3l7ICKvkmA0vGuU9OW8mV9WIBRnaxp5GJh9IEAaNOoYg==" }, + "immutable": { + "version": "3.7.6", + "resolved": "https://registry.npmjs.org/immutable/-/immutable-3.7.6.tgz", + "integrity": "sha1-E7TTyxK++hVIKib+Gy665kAHHks=" + }, "import-cwd": { "version": "2.1.0", "resolved": "https://registry.npmjs.org/import-cwd/-/import-cwd-2.1.0.tgz", @@ -7819,6 +7838,11 @@ "detect-newline": "^2.1.0" } }, + "jest-dom": { + "version": "4.0.0", + "resolved": "https://registry.npmjs.org/jest-dom/-/jest-dom-4.0.0.tgz", + "integrity": "sha512-gBxYZlZB1Jgvf2gP2pRfjjUWF8woGBHj/g5rAQgFPB/0K2atGuhVcPO+BItyjWeKg9zM+dokgcMOH01vrWVMFA==" + }, "jest-each": { "version": "24.9.0", "resolved": "https://registry.npmjs.org/jest-each/-/jest-each-24.9.0.tgz", @@ -11510,6 +11534,21 @@ "workbox-webpack-plugin": "4.3.1" } }, + "react-shallow-testutils": { + "version": "2.0.0", + "resolved": "https://registry.npmjs.org/react-shallow-testutils/-/react-shallow-testutils-2.0.0.tgz", + "integrity": "sha1-kIe0CzaLEkZ0x7/Pn91q2YORSpc=" + }, + "react-test-render": { + "version": "1.1.2", + "resolved": "https://registry.npmjs.org/react-test-render/-/react-test-render-1.1.2.tgz", + "integrity": "sha512-XurcR3Eh0TwFopBShDNgPny29Z8wczAFnKsxUqSSgNN6FrpsNg39Q3/13bK5oBFWOLod3enZG698HZNlJ3oRsw==", + "requires": { + "immutable": "3.7.x", + "lodash": "^4.17.15", + "react-shallow-testutils": "2.0.x" + } + }, "read-pkg": { "version": "3.0.0", "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-3.0.0.tgz", diff --git a/package.json b/package.json index c52d9c4..c34c35f 100644 --- a/package.json +++ b/package.json @@ -7,17 +7,18 @@ "@testing-library/jest-dom": "^4.2.4", "@testing-library/react": "^9.5.0", "@testing-library/user-event": "^7.2.1", - "@types/jest": "^27.0.1", "@types/node": "^16.6.1", "@types/react": "^17.0.18", "@types/react-dom": "^17.0.9", "firebase": "^7.20.0", + "jest-dom": "^4.0.0", "react": "^16.13.1", "react-dom": "^16.13.1", "react-firebase-hooks": "^2.2.0", "react-redux": "^7.2.4", "react-router-dom": "^5.2.0", "react-scripts": "3.4.3", + "react-test-render": "^1.1.2", "redux-logger": "^3.0.6", "typescript": "^4.3.5" }, @@ -43,6 +44,7 @@ ] }, "devDependencies": { + "@types/jest": "^27.0.1", "@types/react-router-dom": "^5.1.8", "@types/redux-logger": "^3.0.9" } diff --git a/src/App.test.js b/src/App.test.js deleted file mode 100644 index 4db7ebc..0000000 --- a/src/App.test.js +++ /dev/null @@ -1,9 +0,0 @@ -import React from 'react'; -import { render } from '@testing-library/react'; -import App from './App'; - -test('renders learn react link', () => { - const { getByText } = render(); - const linkElement = getByText(/learn react/i); - expect(linkElement).toBeInTheDocument(); -}); diff --git a/src/App.tsx b/src/App.tsx index 7242d0b..9aa2237 100644 --- a/src/App.tsx +++ b/src/App.tsx @@ -1,7 +1,7 @@ import React, { useEffect, useRef, useState } from "react"; import "./App.css"; import firebase from "./firebase"; -import Counters from "./Counters"; +import Counters from "./components/Counters"; import { Route, BrowserRouter } from "react-router-dom"; function App() { diff --git a/src/Counters.tsx b/src/Counters.tsx deleted file mode 100644 index 7fb4874..0000000 --- a/src/Counters.tsx +++ /dev/null @@ -1,19 +0,0 @@ -import React from "react"; -import { RootStateOrAny, useSelector } from "react-redux"; -import store from "./redux/index"; -import slice from "./redux/counter/slice"; - -const Counters = () => { - const countersState = useSelector((state: RootStateOrAny) => state.countersState); - const { dispatch } = store; - - return ( - <> -

The counter value is {countersState.counters}

- - - - ) -} - -export default Counters diff --git a/src/components/Counters.tsx b/src/components/Counters.tsx new file mode 100644 index 0000000..814e00f --- /dev/null +++ b/src/components/Counters.tsx @@ -0,0 +1,33 @@ +import React from "react"; +import { RootStateOrAny, useSelector } from "react-redux"; +import store from "../redux/index"; +import slice from "../redux/counter/slice"; + +const Counters = () => { + const countersState = useSelector( + (state: RootStateOrAny) => state.countersState + ); + const { dispatch } = store; + + return ( +
+

The counter value is {countersState.counters}

+ + +
+ ); +}; + +export default Counters; diff --git a/src/components/__test/counters.test.tsx b/src/components/__test/counters.test.tsx new file mode 100644 index 0000000..5a5b0dc --- /dev/null +++ b/src/components/__test/counters.test.tsx @@ -0,0 +1,12 @@ +import Counters from "../Counters"; +import {render, screen} from '@testing-library/react' +import React from "react"; +import { Provider } from "react-redux"; +import store from "../../redux"; + +test("renders without crashing", () => { + const { getByTestId } = render( + + ); + expect(getByTestId("counters")).toBeTruthy() +}); diff --git a/src/redux/counter/counter.test.ts b/src/redux/counter/counter.test.ts new file mode 100644 index 0000000..751a068 --- /dev/null +++ b/src/redux/counter/counter.test.ts @@ -0,0 +1,17 @@ +import slice from "./slice"; +const { reducer, actions } = slice; + +test("should return the initial state", () => { + expect(reducer(undefined, { type: "init" })).toEqual({ + counters: 0, + }); +}); + +test("should handle the action set count", () => { + const previousState = { + counters: 0, + }; + expect(reducer(previousState, actions.setCount(1))).toEqual({ + counters: 1, + }); +});