refactor: remove jest and lint vitest (#62330)

api/src/exam-environment/utils/exam-environment.test.ts

@@ -97,7 +97,7 @@ describe('Exam Environment mocked Math.random', () => {
 
   describe('generateExam()', () => {
     it('should generate a randomized exam without throwing', () => {
-      const _randomizedExam = generateExam(exam);
+      expect(() => generateExam(exam)).not.toThrow();
     });
 
     it('should generate an exam matching with the correct number of question sets', () => {
@@ -199,7 +199,9 @@ describe('Exam Environment mocked Math.random', () => {
 
   describe('validateAttempt()', () => {
     it('should validate a correct attempt', () => {
-      validateAttempt(generatedExam, examAttempt.questionSets);
+      expect(() =>
+        validateAttempt(generatedExam, examAttempt.questionSets)
+      ).not.toThrow();
     });
 
     it('should invalidate an incorrect attempt', () => {
@@ -422,6 +424,7 @@ describe('Exam Environment Schema', () => {
       await fastifyTestInstance.prisma.examEnvironmentExam.deleteMany({});
     });
 
+    // eslint-disable-next-line vitest/expect-expect
     it("If this test fails and you've deliberately altered the schema, then increment the `version` field by 1", async () => {
       const configQuestionSets = [
         {
@@ -490,6 +493,7 @@ describe('Exam Environment Schema', () => {
         {}
       );
     });
+    // eslint-disable-next-line vitest/expect-expect
     it("If this test fails and you've deliberately altered the schema, then increment the `version` field by 1", async () => {
       await fastifyTestInstance.prisma.examEnvironmentGeneratedExam.create({
         data: {
@@ -508,6 +512,7 @@ describe('Exam Environment Schema', () => {
         {}
       );
     });
+    // eslint-disable-next-line vitest/expect-expect
     it("If this test fails and you've deliberately altered the schema, then increment the `version` field by 1", async () => {
       await fastifyTestInstance.prisma.examEnvironmentExamAttempt.create({
         data: {

api/src/plugins/error-handling.test.ts

@@ -138,7 +138,7 @@ describe('errorHandling', () => {
     expect(res.statusCode).toEqual(400);
   });
 
-  test('should return the error message if the status is not 500 ', async () => {
+  test('should return the error message if the status is not 500', async () => {
     const res = await fastify.inject({
       method: 'GET',
       url: '/test-bad-request'

api/src/routes/protected/settings.test.ts

@@ -670,18 +670,16 @@ Happy coding!
         const response = await superPut('/update-my-username').send({
           username: 'TwaHa1'
         });
-
-        expect(response.body).toStrictEqual({
-          message: 'flash.username-updated',
-          type: 'success',
-          variables: { username: 'TwaHa1' }
-        });
-
         const user = await fastifyTestInstance.prisma.user.findFirst({
           where: { email: 'foo@bar.com' }
         });
 
         expect(user?.username).toEqual('twaha1');
+        expect(response.body).toStrictEqual({
+          message: 'flash.username-updated',
+          type: 'success',
+          variables: { username: 'TwaHa1' }
+        });
         expect(response.statusCode).toEqual(200);
       });
 
@@ -725,20 +723,6 @@ Happy coding!
         expect(existingUser.statusCode).toEqual(400);
       });
 
-      test('PUT returns 200 status code with "success" message', async () => {
-        await superPut('/update-my-username').send({ username: 'twaha3' });
-
-        const response = await superPut('/update-my-username').send({
-          username: 'TWaha3'
-        });
-
-        expect(response.body).toStrictEqual({
-          message: 'flash.username-updated',
-          type: 'success',
-          variables: { username: 'TWaha3' }
-        });
-        expect(response.statusCode).toEqual(200);
-      });
       test('PUT /update-my-username returns 400 status code when username is too long', async () => {
         const username = 'a'.repeat(1001);
         const response = await superPut('/update-my-username').send({
@@ -899,7 +883,7 @@ Happy coding!
         expect(response.statusCode).toEqual(200);
       });
 
-      test('PUT with empty strings clears the values in about settings ', async () => {
+      test('PUT with empty strings clears the values in about settings', async () => {
         const initialResponse = await superPut('/update-my-about').send({
           about: 'Teacher at freeCodeCamp',
           name: 'Quincy Larson',

api/vitest.utils.ts

@@ -205,8 +205,6 @@ export function setupServer(): void {
 If you are seeing this error, the root cause is likely an error thrown in the beforeAll hook.`);
     await fastifyTestInstance.prisma.$runCommandRaw({ dropDatabase: 1 });
 
-    // Due to a prisma bug, this is not enough, we need to --force-exit jest:
-    // https://github.com/prisma/prisma/issues/18146
     await fastifyTestInstance.close();
   });
 }

client/package.json

@@ -139,7 +139,6 @@
     "@total-typescript/ts-reset": "^0.5.0",
     "@types/canvas-confetti": "^1.6.0",
     "@types/gatsbyjs__reach-router": "1.3.0",
-    "@types/jest": "29.5.12",
     "@types/js-yaml": "4.0.5",
     "@types/loadable__component": "5.13.8",
     "@types/lodash-es": "^4.17.6",
@@ -166,7 +165,6 @@
     "dotenv": "16.4.5",
     "gatsby-plugin-webpack-bundle-analyser-v2": "1.1.32",
     "i18next-fs-backend": "2.6.0",
-    "jest-json-schema-extended": "1.0.1",
     "joi": "17.12.2",
     "js-yaml": "4.1.0",
     "monaco-editor-webpack-plugin": "7.0.1",

client/src/components/Intro/intro.test.tsx

@@ -24,7 +24,7 @@ describe('<Intro />', () => {
   it('has no blockquotes when loggedOut', () => {
     renderWithRedux(<Intro {...loggedOutProps} />);
     expect(screen.queryByTestId('quote-block')).not.toBeInTheDocument();
-    expect(screen.getByRole('heading', { level: 1 }));
+    expect(screen.getByRole('heading', { level: 1 })).toBeInTheDocument();
   });
 
   it('has a blockquote when loggedIn', () => {

client/src/components/create-language-redirect.test.ts

@@ -33,18 +33,13 @@ describe('createLanguageRedirect for clientLocale === english', () => {
       { lang: 'chinese-traditional', url: chineseTraditionalPageURL },
       { lang: 'dothraki', url: dothrakiPageURL }
     ].forEach(({ lang, url }) => {
-      it(
-        lang === 'english'
-          ? `should redirect to same version of page for lang == english`
-          : `should redirect to ${lang} version of page`,
-        () => {
+      it(`should redirect to ${lang} version of page`, () => {
         const receivedPageURL = createLanguageRedirect({
           ...envVars,
           lang
         });
         expect(receivedPageURL).toBe(url);
-        }
-      );
+      });
     });
   });
 
@@ -70,18 +65,13 @@ describe('createLanguageRedirect for clientLocale === english', () => {
       { lang: 'chinese-traditional', url: chineseTraditionalPageURL },
       { lang: 'dothraki', url: dothrakiPageURL }
     ].forEach(({ lang, url }) => {
-      it(
-        lang === 'english'
-          ? `should redirect to same version of page for lang == english`
-          : `should redirect to ${lang} version of page`,
-        () => {
+      it(`should redirect to ${lang} version of page`, () => {
         const receivedPageURL = createLanguageRedirect({
           ...envVars,
           lang
         });
         expect(receivedPageURL).toBe(url);
-        }
-      );
+      });
     });
   });
 });
@@ -117,18 +107,13 @@ describe('createLanguageRedirect for clientLocale === chinese', () => {
       { lang: 'chinese-traditional', url: chineseTraditionalPageURL },
       { lang: 'dothraki', url: dothrakiPageURL }
     ].forEach(({ lang, url }) => {
-      it(
-        lang === 'chinese'
-          ? `should redirect to same version of page for lang == chinese`
-          : `should redirect to ${lang} version of page`,
-        () => {
+      it(`should redirect to ${lang} version of page`, () => {
         const receivedPageURL = createLanguageRedirect({
           ...envVars,
           lang
         });
         expect(receivedPageURL).toBe(url);
-        }
-      );
+      });
     });
   });
 
@@ -154,18 +139,13 @@ describe('createLanguageRedirect for clientLocale === chinese', () => {
       { lang: 'chinese-traditional', url: chineseTraditionalPageURL },
       { lang: 'dothraki', url: dothrakiPageURL }
     ].forEach(({ lang, url }) => {
-      it(
-        lang === 'chinese'
-          ? `should redirect to same version of page for lang == chinese`
-          : `should redirect to ${lang} version of page`,
-        () => {
+      it(`should redirect to ${lang} version of page`, () => {
         const receivedPageURL = createLanguageRedirect({
           ...envVars,
           lang
         });
         expect(receivedPageURL).toBe(url);
-        }
-      );
+      });
     });
   });
 });

client/src/redux/donation-saga.test.js

@@ -1,3 +1,6 @@
+// All tests use expectSaga which the eslint-plugin-vitest plugin does not
+// recognize
+/* eslint-disable vitest/expect-expect */
 // @vitest-environment jsdom
 import { expectSaga } from 'redux-saga-test-plan';
 import { describe, it, vi } from 'vitest';

client/src/templates/Challenges/redux/execute-challenge-saga.test.js

@@ -1,3 +1,6 @@
+// All tests use expectSaga which the eslint-plugin-vitest plugin does not
+// recognize
+/* eslint-disable vitest/expect-expect */
 import { expectSaga } from 'redux-saga-test-plan';
 import { describe, it, vi } from 'vitest';
 

curriculum/package.json

@@ -36,8 +36,7 @@
     "update-challenge-order": "CALLING_DIR=$INIT_CWD tsx --tsconfig ../tsconfig.json ../tools/challenge-helper-scripts/update-challenge-order",
     "update-step-titles": "CALLING_DIR=$INIT_CWD tsx --tsconfig ../tsconfig.json ../tools/challenge-helper-scripts/update-step-titles",
     "test-gen": "node ./test/utils/generate-block-tests.mjs",
-    "test": "NODE_OPTIONS='--max-old-space-size=7168' pnpm -s test-gen && vitest -c test/vitest.config.mjs",
-    "test:full-output": "NODE_OPTIONS='--max-old-space-size=7168' pnpm -s test-gen && FULL_OUTPUT=true vitest -c test/vitest.config.mjs --reporter=default"
+    "test": "NODE_OPTIONS='--max-old-space-size=7168' pnpm -s test-gen && vitest -c test/vitest.config.mjs"
   },
   "devDependencies": {
     "@babel/core": "7.23.7",

eslint.config.mjs

@@ -11,7 +11,7 @@ import jsxAllyPlugin from 'eslint-plugin-jsx-a11y';
 import prettierConfig from 'eslint-config-prettier';
 import reactPlugin from 'eslint-plugin-react';
 import testingLibraryPlugin from 'eslint-plugin-testing-library';
-import jestDomPlugin from 'eslint-plugin-jest-dom';
+import vitest from '@vitest/eslint-plugin';
 import tsParser from '@typescript-eslint/parser';
 import tseslint from 'typescript-eslint';
 import jsdoc from 'eslint-plugin-jsdoc';
@@ -62,7 +62,6 @@ export default tseslint.config(
         ...globals.browser,
         ...globals.mocha,
         ...globals.node,
-        ...globals.jest,
         Promise: true,
         window: true,
         $: true,
@@ -167,10 +166,12 @@ export default tseslint.config(
   {
     files: ['client/**/*.test.[jt]s?(x)'],
 
-    extends: [
-      testingLibraryPlugin.configs['flat/react'],
-      jestDomPlugin.configs['flat/recommended']
-    ]
+    extends: [testingLibraryPlugin.configs['flat/react']]
+  },
+  {
+    files: ['**/*.test.[jt]s?(x)'],
+    plugins: { vitest },
+    extends: [vitest.configs.recommended]
   },
   {
     files: ['e2e/*.ts'],

jest.config.js

@@ -1,32 +0,0 @@
-module.exports = {
-  testPathIgnorePatterns: [
-    '/node_modules/',
-    'api/',
-    'e2e/',
-    'tools/challenge-helper-scripts/',
-    'tools/challenge-parser/',
-    'tools/scripts/build/',
-    'tools/scripts/lint/',
-    'shared',
-    'curriculum',
-    'client',
-    'shared/'
-  ],
-  moduleNameMapper: {
-    // CSS Modules - match files that end with 'module.css'
-    '\\.module\\.css$': 'identity-obj-proxy',
-    '^lodash-es$': 'lodash'
-  },
-  globals: {
-    __PATH_PREFIX__: ''
-  },
-  verbose: true,
-  transform: {
-    '^.+\\.[jt]sx?$': '<rootDir>/jest.transform.js'
-  },
-  roots: ['.', './client'],
-  transformIgnorePatterns: ['node_modules/.pnpm/(?!(nanoid|uuid)@)'],
-  setupFilesAfterEnv: ['./jest.setup.js'],
-  testEnvironment: 'jsdom',
-  watchPathIgnorePatterns: ['<rootDir>/__fixtures__.*']
-};

jest.setup.js

@@ -1 +0,0 @@
-import '@testing-library/jest-dom';

jest.transform.js

@@ -1,18 +0,0 @@
-const babelOptions = {
-  presets: [
-    [
-      '@babel/preset-env',
-      {
-        targets: {
-          node: 18
-        }
-      }
-    ],
-    '@babel/react',
-    '@babel/preset-typescript'
-  ]
-};
-
-// TODO: is there a way to do this without a separate transform? i.e. can we
-// just use the existing config?
-module.exports = require('babel-jest').default.createTransformer(babelOptions);

package.json

@@ -79,9 +79,6 @@
     "test:curriculum:tooling": "cd ./curriculum && pnpm vitest run",
     "test:shared": "cd ./shared && pnpm vitest run",
     "test:client": "cd ./client && pnpm test run",
-    "test-curriculum-full-output": "cd ./curriculum && pnpm run test:full-output run",
-    "test-config": "jest config",
-    "test-utils": "jest utils",
     "prepare": "husky",
     "playwright:run": "playwright test",
     "playwright:watch": "playwright test --ui-port=0"
@@ -98,20 +95,18 @@
     "@playwright/test": "^1.47.1",
     "@testing-library/dom": "10.4.0",
     "@testing-library/jest-dom": "6.6.3",
-    "@types/jest": "29.5.12",
     "@types/lodash": "4.14.202",
     "@types/node": "20.12.8",
     "@types/testing-library__jest-dom": "^5.14.5",
     "@typescript-eslint/eslint-plugin": "8.24.0",
     "@typescript-eslint/parser": "8.23.0",
-    "babel-jest": "29.7.0",
+    "@vitest/eslint-plugin": "^1.3.12",
     "debug": "4.3.4",
     "eslint": "9.19.0",
     "eslint-config-prettier": "10.0.1",
     "eslint-import-resolver-typescript": "^3.5.5",
     "eslint-plugin-filenames-simple": "0.9.0",
     "eslint-plugin-import": "2.31.0",
-    "eslint-plugin-jest-dom": "5.5.0",
     "eslint-plugin-jsdoc": "48.2.1",
     "eslint-plugin-jsx-a11y": "6.10.2",
     "eslint-plugin-no-only-tests": "3.1.0",
@@ -121,8 +116,6 @@
     "globals": "^15.14.0",
     "husky": "9.0.11",
     "identity-obj-proxy": "^3.0.0",
-    "jest": "29.7.0",
-    "jest-environment-jsdom": "29.7.0",
     "js-yaml": "3.14.1",
     "lint-staged": "^13.1.0",
     "lodash": "4.17.21",

pnpm-workspace.yaml

@@ -18,5 +18,4 @@ packages:
 packageExtensions:
   '@testing-library/jest-dom':
     peerDependencies:
-      jest: '*'
       vitest: '*'

tools/challenge-helper-scripts/helpers/get-file-name.test.ts

@@ -4,10 +4,7 @@ import { join } from 'path';
 import { describe, it, expect, beforeEach, afterEach } from 'vitest';
 import { getFileName } from './get-file-name';
 
-const basePath = join(
-  process.cwd(),
-  '__fixtures__' + process.env.JEST_WORKER_ID
-);
+const basePath = join(process.cwd(), '__fixtures__');
 const commonPath = join(basePath, 'curriculum', 'challenges');
 
 const block = 'project-get-file-name';

tools/challenge-parser/parser/__snapshots__/index.acceptance.test.js.snap

@@ -1,118 +1,5 @@
 // Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
-exports[`challenge parser > it should not parse directives we do not use 1`] = `
-{
-  "assignments": [],
-  "description": "<section id="description">
-<p>:root appears, :import appears</p>
-<p>the next paragraph should appear</p>
-::import
-<p>even though it's an import directive, but if we use the full syntax <code>::directive-name{attr="name" attr2="a/path"}</code></p>
-<p>it goes.</p>
-<p>::: name [inline-content] {key=val}
-a container directive
-:::</p>
-</section>",
-  "solutions": [],
-  "tests": [],
-}
-`;
-
-exports[`challenge parser > it should parse md with a scene 1`] = `
-{
-  "assignments": [],
-  "description": "<section id="description">
-<p>This challenge has a scene.</p>
-</section>",
-  "scene": {
-    "commands": [
-      {
-        "character": "Maria",
-        "opacity": 1,
-        "startTime": 0,
-      },
-      {
-        "character": "Maria",
-        "dialogue": {
-          "align": "center",
-          "text": "I'm Maria, the team lead.",
-        },
-        "finishTime": 2.4,
-        "startTime": 0.7,
-      },
-      {
-        "character": "Maria",
-        "opacity": 0,
-        "startTime": 3.4,
-      },
-    ],
-    "setup": {
-      "audio": {
-        "filename": "1.1-1.mp3",
-        "finishTimestamp": 4,
-        "startTime": 1,
-        "startTimestamp": 2.6,
-      },
-      "background": "company2-center.png",
-      "characters": [
-        {
-          "character": "Maria",
-          "opacity": 0,
-          "position": {
-            "x": 50,
-            "y": 0,
-            "z": 1.5,
-          },
-        },
-      ],
-    },
-  },
-  "solutions": [],
-  "tests": [],
-}
-`;
-
-exports[`challenge parser > it should parse video questions 1`] = `
-{
-  "assignments": [],
-  "description": "<section id="description">
-<p>Paragraph 1</p>
-<pre><code class="language-html">code example
-</code></pre>
-</section>",
-  "instructions": "<section id="instructions">
-<p>Paragraph 0</p>
-<pre><code class="language-html">code example 0
-</code></pre>
-</section>",
-  "questions": [
-    {
-      "answers": [
-        {
-          "answer": "<p>Some inline <code>code</code></p>",
-          "feedback": "<p>That is not correct.</p>",
-        },
-        {
-          "answer": "<p>Some <em>italics</em></p>
-<p>A second answer paragraph.</p>",
-          "feedback": null,
-        },
-        {
-          "answer": "<p><code> code in </code> code tags</p>",
-          "feedback": null,
-        },
-      ],
-      "solution": 3,
-      "text": "<p>Question line 1</p>
-<pre><code class="language-js">  var x = 'y';
-</code></pre>",
-    },
-  ],
-  "solutions": [],
-  "tests": [],
-}
-`;
-
 exports[`challenge parser > should import md from other files 1`] = `
 {
   "assignments": [],
@@ -243,6 +130,24 @@ exports[`challenge parser > should not mix other YAML with the frontmatter 1`] =
 }
 `;
 
+exports[`challenge parser > should not parse directives we do not use 1`] = `
+{
+  "assignments": [],
+  "description": "<section id="description">
+<p>:root appears, :import appears</p>
+<p>the next paragraph should appear</p>
+::import
+<p>even though it's an import directive, but if we use the full syntax <code>::directive-name{attr="name" attr2="a/path"}</code></p>
+<p>it goes.</p>
+<p>::: name [inline-content] {key=val}
+a container directive
+:::</p>
+</section>",
+  "solutions": [],
+  "tests": [],
+}
+`;
+
 exports[`challenge parser > should parse a more realistic md file 1`] = `
 {
   "assignments": [],
@@ -710,3 +615,98 @@ if(let x of xs) {
   ],
 }
 `;
+
+exports[`challenge parser > should parse md with a scene 1`] = `
+{
+  "assignments": [],
+  "description": "<section id="description">
+<p>This challenge has a scene.</p>
+</section>",
+  "scene": {
+    "commands": [
+      {
+        "character": "Maria",
+        "opacity": 1,
+        "startTime": 0,
+      },
+      {
+        "character": "Maria",
+        "dialogue": {
+          "align": "center",
+          "text": "I'm Maria, the team lead.",
+        },
+        "finishTime": 2.4,
+        "startTime": 0.7,
+      },
+      {
+        "character": "Maria",
+        "opacity": 0,
+        "startTime": 3.4,
+      },
+    ],
+    "setup": {
+      "audio": {
+        "filename": "1.1-1.mp3",
+        "finishTimestamp": 4,
+        "startTime": 1,
+        "startTimestamp": 2.6,
+      },
+      "background": "company2-center.png",
+      "characters": [
+        {
+          "character": "Maria",
+          "opacity": 0,
+          "position": {
+            "x": 50,
+            "y": 0,
+            "z": 1.5,
+          },
+        },
+      ],
+    },
+  },
+  "solutions": [],
+  "tests": [],
+}
+`;
+
+exports[`challenge parser > should parse video questions 1`] = `
+{
+  "assignments": [],
+  "description": "<section id="description">
+<p>Paragraph 1</p>
+<pre><code class="language-html">code example
+</code></pre>
+</section>",
+  "instructions": "<section id="instructions">
+<p>Paragraph 0</p>
+<pre><code class="language-html">code example 0
+</code></pre>
+</section>",
+  "questions": [
+    {
+      "answers": [
+        {
+          "answer": "<p>Some inline <code>code</code></p>",
+          "feedback": "<p>That is not correct.</p>",
+        },
+        {
+          "answer": "<p>Some <em>italics</em></p>
+<p>A second answer paragraph.</p>",
+          "feedback": null,
+        },
+        {
+          "answer": "<p><code> code in </code> code tags</p>",
+          "feedback": null,
+        },
+      ],
+      "solution": 3,
+      "text": "<p>Question line 1</p>
+<pre><code class="language-js">  var x = 'y';
+</code></pre>",
+    },
+  ],
+  "solutions": [],
+  "tests": [],
+}
+`;

tools/challenge-parser/parser/index.acceptance.test.js

@@ -45,21 +45,21 @@ describe('challenge parser', () => {
     expect(parsed).toMatchSnapshot();
   });
 
-  it('it should parse video questions', async () => {
+  it('should parse video questions', async () => {
     const parsed = await parseMD(
       resolve(__dirname, '__fixtures__/with-video-question.md')
     );
     expect(parsed).toMatchSnapshot();
   });
 
-  it('it should not parse directives we do not use', async () => {
+  it('should not parse directives we do not use', async () => {
     const parsed = await parseMD(
       resolve(__dirname, '__fixtures__/with-directives.md')
     );
     expect(parsed).toMatchSnapshot();
   });
 
-  it('it should parse md with a scene', async () => {
+  it('should parse md with a scene', async () => {
     const parsed = await parseMD(resolve(__dirname, '__fixtures__/scene.md'));
     expect(parsed).toMatchSnapshot();
   });

tools/challenge-parser/parser/plugins/add-seed.test.js

@@ -272,29 +272,6 @@ const Button = () => {
 };`);
   });
 
-  /* Revisit this once we've decided what to do about multifile imports. I
-  think the best approach is likely to be use the following format for .files
-
-  it('combines all the code of a specific language into a single file', () => {
-
-    { css: [css files],
-      html: [html files],
-      ...
-    }
-
-    or
-
-     { css: {css files},
-      html: {html files},
-      ...
-    }
-
-    depending on what's easier to work with in graphQL
-
-  });
-
-  */
-
   it('should throw an error if a seed has no contents', () => {
     expect.assertions(1);
     expect(() => plugin(withEmptyContentsAST, file)).toThrow(

tools/challenge-parser/parser/plugins/replace-imports.test.js

@@ -64,9 +64,11 @@ describe('replace-imports', () => {
   it('should proceed when the imported file exists', async () => {
     const plugin = addImports();
 
-    await new Promise(resolve => {
+    await expect(
+      new Promise(resolve => {
         plugin(importsAST, correctFile, resolve);
-    });
+      })
+    ).resolves.toBeUndefined();
   });
 
   it('should fail when the imported file cannot be found', async () => {

tools/scripts/build/build-external-curricula-data-v1.test.ts

@@ -44,9 +44,9 @@ describe('external curriculum data build', () => {
   });
 
   test('there should be an endpoint to request submit types from', () => {
-    fs.existsSync(
-      `${clientStaticPath}/curriculum-data/${VERSION}/submit-types.json`
-    );
+    expect(
+      fs.existsSync(`${clientStaticPath}/curriculum-data/submit-types.json`)
+    ).toBeTruthy();
   });
 
   test('the available-superblocks file should have the correct structure', async () => {
@@ -60,12 +60,8 @@ describe('external curriculum data build', () => {
 
     const result = validateAvailableSuperBlocks(availableSuperblocks);
 
-    if (result.error) {
-      throw Error(
-        `file: available-superblocks.json
-${result.error.message}`
-      );
-    }
+    expect(result.error?.details).toBeUndefined();
+    expect(result.error).toBeFalsy();
   });
 
   test('the super block files generated should have the correct schema', async () => {
@@ -93,10 +89,8 @@ ${result.error.message}`
 
       const result = validateSuperBlock(JSON.parse(fileContent));
 
-      if (result.error) {
-        throw Error(`file: ${fileInArray}
-${result.error.message}`);
-      }
+      expect(result.error?.details).toBeUndefined();
+      expect(result.error).toBeFalsy();
     });
   });
 

tools/scripts/build/build-external-curricula-data-v2.test.ts

@@ -82,12 +82,8 @@ describe('external curriculum data build', () => {
       expect.arrayContaining(filteredSuperBlockStages)
     );
 
-    if (result.error) {
-      throw Error(
-        `file: available-superblocks.json
-${result.error.message}`
-      );
-    }
+    expect(result.error?.details).toBeUndefined();
+    expect(result.error).toBeFalsy();
   });
 
   test('the super block files generated should have the correct schema', async () => {
@@ -118,10 +114,8 @@ ${result.error.message}`
 
       const result = validateSuperBlock(JSON.parse(fileContent));
 
-      if (result.error) {
-        throw Error(`file: ${fileInArray}
-${result.error.message}`);
-      }
+      expect(result.error?.details).toBeUndefined();
+      expect(result.error).toBeFalsy();
     });
   });
 

tsconfig-base.json

@@ -14,6 +14,6 @@
     "noEmit": true,
     "resolveJsonModule": true,
     "skipLibCheck": true,
-    "types": ["node", "jest"]
+    "types": ["node"]
   }
 }