Add getJSONFixture() helper to Jest

1 files changed, 24 insertions, 0 deletions

diff --git a/spec/frontend/helpers/fixtures.js b/spec/frontend/helpers/fixtures.js
new file mode 100644
index 00000000000..f96f27c4d80
--- /dev/null
+++ b/spec/frontend/helpers/fixtures.js
@@ -0,0 +1,24 @@
+/* eslint-disable import/prefer-default-export, global-require, import/no-dynamic-require */
+
+import fs from 'fs';
+import path from 'path';
+
+// jest-util is part of Jest
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { ErrorWithStack } from 'jest-util';
+
+const fixturesBasePath = path.join(process.cwd(), 'spec', 'javascripts', 'fixtures');
+
+export function getJSONFixture(relativePath, ee = false) {
+  const absolutePath = path.join(fixturesBasePath, ee ? 'ee' : '', relativePath);
+  if (!fs.existsSync(absolutePath)) {
+    throw new ErrorWithStack(
+      `Fixture file ${relativePath} does not exist.
+
+Did you run bin/rake karma:fixtures?`,
+      getJSONFixture,
+    );
+  }
+
+  return require(absolutePath);
+}