Merge branch 'winh-add-jest' into 'master'

Setup Jest test environment

See merge request gitlab-org/gitlab-ce!23406

1 files changed, 27 insertions, 0 deletions

diff --git a/config/jest.config.js b/config/jest.config.js
new file mode 100644
index 00000000000..23e62f49be1
--- /dev/null
+++ b/config/jest.config.js
@@ -0,0 +1,27 @@
+/* eslint-disable filenames/match-regex */
+
+const reporters = ['default'];
+
+if (process.env.CI) {
+  reporters.push([
+    'jest-junit',
+    {
+      output: './junit_jest.xml',
+    },
+  ]);
+}
+
+// eslint-disable-next-line import/no-commonjs
+module.exports = {
+  testMatch: ['<rootDir>/spec/frontend/**/*_spec.js'],
+  moduleNameMapper: {
+    '^~(.*)$': '<rootDir>/app/assets/javascripts$1',
+  },
+  collectCoverageFrom: ['<rootDir>/app/assets/javascripts/**/*.{js,vue}'],
+  coverageDirectory: '<rootDir>/coverage-frontend/',
+  coverageReporters: ['json', 'lcov', 'text-summary', 'clover'],
+  cacheDirectory: '<rootDir>/tmp/cache/jest',
+  modulePathIgnorePatterns: ['<rootDir>/.yarn-cache/'],
+  reporters,
+  rootDir: '..', // necessary because this file is in the config/ subdirectory
+};