unify handling with value & fetch request

src/components/connect.js

@@ -274,12 +274,7 @@ function connect(mapPropsToRequestsToProps, defaults, options) {
         const onRejection = this.createPromiseStateOnRejection(prop, mapping, startedAt)
 
         if (mapping.hasOwnProperty('value')) {
-          if (hasIn(mapping.value, 'then')) {
-            this.setAtomicState(prop, startedAt, mapping, initPS(meta))
-            return mapping.value.then(onFulfillment(meta), onRejection(meta))
-          } else {
-            return onFulfillment(meta)(mapping.value)
-          }
+          return onFulfillment(meta)(mapping.value)
         } else {
           const request = mapping.buildRequest(mapping)
           meta.request = request

test/components/connect.spec.js

@@ -590,6 +590,36 @@ describe('React', () => {
       })
     })
 
+    it('should call then mappings with meta.component with value', (done) => {
+      const thenSpy = expect.createSpy()
+      const connectWithRef = connect.options({ withRef: true })
+
+      class Container extends Component {
+        render() {
+          return <Passthrough {...this.props} />
+        }
+      }
+
+      const DecoratedContainer = connectWithRef(() => ({
+        someFetch: {
+          value: { random: 'value' },
+          then: thenSpy
+        }
+      }))(Container)
+
+      const decoratedContainer = TestUtils.renderIntoDocument(
+        <DecoratedContainer/>
+      )
+
+      const container = TestUtils.findRenderedComponentWithType(decoratedContainer, Container)
+
+      setImmediate(() => {
+        const meta = thenSpy.calls[0].arguments[1]
+        expect(thenSpy.calls[0]).toEqual(123)
+        done()
+      })
+    })
+
     it('should call catch mappings', (done) => {
       const props = ({
         baz: 42