add migrate.test.js

src/test/config/migrate.test.js

@@ -0,0 +1,37 @@
+describe('config/migrate.js', () => {
+
+  beforeEach(async(done) => {
+    jest.resetModules();
+    done();
+  });
+
+  /* eslint-disable indent */
+  describe.each`
+    MONGO_URI                                         | expectedUrl                                     | expectedDbName
+    ${'mongodb://example.com/growi'}                  | ${'mongodb://example.com'}                      | ${'growi'}
+    ${'mongodb://user:pass@example.com/growi'}        | ${'mongodb://user:pass@example.com'}            | ${'growi'}
+    ${'mongodb://example.com/growi?replicaSet=mySet'} | ${'mongodb://example.com?replicaSet=mySet'}     | ${'growi'}
+  `('returns', ({ MONGO_URI, expectedUrl, expectedDbName }) => {
+    test(`when 'MONGO_URI' is '${MONGO_URI}`, () => {
+
+      // mock for mongoose-utils
+      jest.doMock('@commons/util/mongoose-utils', () => {
+        return {
+          getMongoUri: () => {
+            return MONGO_URI;
+          },
+        };
+      });
+
+      const { mongoUri, mongodb } = require('@root/config/migrate');
+
+      jest.dontMock('@commons/util/mongoose-utils');
+
+      expect(mongoUri).toBe(MONGO_URI);
+      expect(mongodb.url).toBe(expectedUrl);
+      expect(mongodb.databaseName).toBe(expectedDbName);
+    });
+  });
+  /* eslint-enable indent */
+
+});