use jest for testing shared (#11334)

.eslintrc.js

@@ -108,7 +108,11 @@ module.exports = {
     },
     {
       files: ['**/*.test.js'],
-      excludedFiles: ['ui/**/*.test.js', 'ui/__mocks__/*.js'],
+      excludedFiles: [
+        'ui/**/*.test.js',
+        'ui/__mocks__/*.js',
+        'shared/**/*.test.js',
+      ],
       extends: ['@metamask/eslint-config-mocha'],
       rules: {
         'mocha/no-setup-in-describe': 'off',
@@ -125,7 +129,7 @@ module.exports = {
       },
     },
     {
-      files: ['ui/**/*.test.js', 'ui/__mocks__/*.js'],
+      files: ['ui/**/*.test.js', 'ui/__mocks__/*.js', 'shared/**/*.test.js'],
       extends: ['@metamask/eslint-config-jest'],
       rules: {
         'jest/no-restricted-matchers': 'off',

jest.config.js

@@ -2,7 +2,11 @@ module.exports = {
   restoreMocks: true,
   coverageDirectory: 'jest-coverage/',
   collectCoverageFrom: ['<rootDir>/ui/**/swaps/**'],
-  coveragePathIgnorePatterns: ['.stories.js', '.snap'],
+  coveragePathIgnorePatterns: [
+    '.stories.js',
+    '.snap',
+    '**/shared/**/?(*.)+(test).js',
+  ],
   coverageThreshold: {
     global: {
       branches: 32.75,
@@ -13,5 +17,5 @@ module.exports = {
   },
   setupFiles: ['./test/setup.js', './test/env.js'],
   setupFilesAfterEnv: ['./test/jest/setup.js'],
-  testMatch: ['**/ui/**/?(*.)+(test).js'],
+  testMatch: ['ui/**/?(*.)+(test).js', '**/shared/**/?(*.)+(test).js'],
 };

package.json

@@ -23,13 +23,13 @@
     "dapp-chain": "GANACHE_ARGS='-b 2' concurrently -k -n ganache,dapp -p '[{time}][{name}]' 'yarn ganache:start' 'sleep 5 && yarn dapp'",
     "forwarder": "node ./development/static-server.js ./node_modules/@metamask/forwarder/dist/ --port 9010",
     "dapp-forwarder": "concurrently -k -n forwarder,dapp -p '[{time}][{name}]' 'yarn forwarder' 'yarn dapp'",
-    "test:unit": "mocha --exit --require test/env.js --require test/setup.js --recursive './{app,shared}/**/*.test.js'",
+    "test:unit": "mocha --exit --require test/env.js --require test/setup.js --recursive './app/**/*.test.js'",
     "test:unit:global": "mocha --exit --require test/env.js --require test/setup.js --recursive test/unit-global/*.test.js",
     "test:unit:jest": "jest",
     "test:unit:jest:watch": "jest --watch",
     "test:unit:jest:watch:silent": "jest --watch --silent",
     "test:unit:jest:ci": "jest --maxWorkers=2",
-    "test:unit:lax": "mocha --exit --require test/env.js --require test/setup.js --ignore './app/scripts/controllers/permissions/*.test.js' --recursive './{app,shared}/**/*.test.js'",
+    "test:unit:lax": "mocha --exit --require test/env.js --require test/setup.js --ignore './app/scripts/controllers/permissions/*.test.js' --recursive './app/**/*.test.js'",
     "test:unit:strict": "mocha --exit --require test/env.js --require test/setup.js --recursive './app/scripts/controllers/permissions/*.test.js'",
     "test:unit:path": "mocha --exit --require test/env.js --require test/setup.js --recursive",
     "test:e2e:chrome": "SELENIUM_BROWSER=chrome test/e2e/run-all.sh",
@@ -53,7 +53,7 @@
     "verify-locales": "node ./development/verify-locale-strings.js",
     "verify-locales:fix": "node ./development/verify-locale-strings.js --fix",
     "mozilla-lint": "addons-linter dist/firefox",
-    "watch": "mocha --watch --require test/env.js --require test/setup.js --reporter min --recursive \"test/unit/**/*.js\" \"ui/**/*.test.js\" \"shared/**/*.test.js\"",
+    "watch": "mocha --watch --require test/env.js --require test/setup.js --reporter min --recursive \"test/unit/**/*.js\" \"ui/**/*.test.js\"",
     "devtools:react": "react-devtools",
     "devtools:redux": "remotedev --hostname=localhost --port=8000",
     "start:dev": "concurrently -k -n build,react,redux yarn:start yarn:devtools:react yarn:devtools:redux",