add new test for streams

aqua/examples/stream.aqua

@@ -1,3 +1,5 @@
+import "@fluencelabs/aqua-lib/builtin.aqua"
+
 service Stringer("stringer-id"):
     returnString: string -> string
 
@@ -9,6 +11,14 @@ func checkStreams(ch: []string) -> []string:
         stream <- Stringer.returnString(b)
     <- stream
 
+func getStream() -> *u32:
+    nums = *[1,2,3,4]
+    <- nums
+
+func returnStreamFromFunc() -> *u32:
+    nums <- getStream()
+    <- nums
+
 func stringNil() -> *string:
     valueNil: *string
     <- valueNil

src/__test__/examples.spec.ts

@@ -13,7 +13,7 @@ import { bugNG69Call, ifCall, ifWrapCall } from '../examples/ifCall';
 import { parCall, testTimeoutCall } from '../examples/parCall';
 import { complexCall } from '../examples/complex';
 import { constantsCall, particleTtlAndTimestampCall } from '../examples/constantsCall';
-import { returnNilCall, returnNoneCall, streamCall } from '../examples/streamCall';
+import {returnNilCall, returnNoneCall, streamCall, streamReturnFromInnerFunc} from '../examples/streamCall';
 import { topologyBug205Call, topologyBug394Call, topologyBug427Call, topologyCall } from '../examples/topologyCall';
 import { foldJoinCall } from '../examples/foldJoinCall';
 import { registerHandlers, returnNull, returnOptionalCall, useOptionalCall } from '../examples/useOptionalCall';
@@ -231,6 +231,11 @@ describe('Testing examples', () => {
         expect(returnNoneResult).toBe(null);
     });
 
+    it('stream.aqua return stream from inner func', async () => {
+        let streamResult = await streamReturnFromInnerFunc()
+        expect(streamResult).toEqual([1, 2, 3, 4]);
+    })
+
     it('streamCan.aqua', async () => {
         let streamCanResult = await streamCanCall();
         expect(streamCanResult).toEqual(['a', 'b', null]);

src/examples/streamCall.ts

@@ -1,5 +1,5 @@
 import { FluencePeer } from '@fluencelabs/fluence';
-import {checkStreams, registerStringer, stringNil, stringNone} from '../compiled/examples/stream';
+import {checkStreams, registerStringer, returnStreamFromFunc, stringNil, stringNone} from '../compiled/examples/stream';
 
 export async function streamCall() {
     registerStringer({
@@ -18,3 +18,7 @@ export async function returnNilCall() {
 export async function returnNoneCall() {
     return stringNone()
 }
+
+export async function streamReturnFromInnerFunc() {
+    return await returnStreamFromFunc();
+}