test: enable test in ci (#83)

superset-frontend/temporary_superset_ui/superset-ui/plugins/superset-ui-plugins/.travis.yml

@@ -18,7 +18,7 @@ before_script:
   - yarn build
 
 script:
-  - yarn lint
+  - yarn test
 
 after_script:
   - codecov

superset-frontend/temporary_superset_ui/superset-ui/plugins/superset-ui-plugins/packages/superset-ui-preset-chart-xy/test/encodeable/parsers/extractGetter.test.ts

@@ -0,0 +1,13 @@
+import extractGetter from '../../../src/encodeable/parsers/extractGetter';
+
+describe('extractGetter', () => {
+  it('extract getter from ValueDef { value: "abc" }', () => {
+    const getter = extractGetter({ value: 'abc' });
+    expect(getter(undefined)).toEqual('abc');
+  });
+
+  it('extract getter from FieldDef { field: "fieldName" }', () => {
+    const getter = extractGetter({ field: 'age' });
+    expect(getter({ age: 10 })).toEqual(10);
+  });
+});