diff --git a/pyinfra/server/rest.py b/pyinfra/server/rest.py
index 41e48da..b0a5261 100644
--- a/pyinfra/server/rest.py
+++ b/pyinfra/server/rest.py
@@ -10,26 +10,30 @@ from pyinfra.server.pipeline import Pipeline
 from pyinfra.server.receiver.receivers.rest import RestReceiver
 
 
-def process_eagerly(url, data: Iterable[bytes], metadata: Iterable[dict]):
+def process_eagerly(endpoint, data: Iterable[bytes], metadata: Iterable[dict]):
     """Posts `data` to `url` and aggregates responses for each element of `data`."""
-
-    pipeline = Pipeline(*pipeline_head(url), IdentityInterpreter())
-
+    pipeline = get_eager_pipeline(endpoint)
     yield from pipeline(data, metadata)
 
 
-def process_lazily(url, data: Iterable[bytes], metadata: Iterable[dict]):
+def process_lazily(endpoint, data: Iterable[bytes], metadata: Iterable[dict]):
     """Posts `data` to `url` and aggregates responses for each element of `data` by querying a pickup endpoint.
 
     Requires:
         - responses must provide return pickup_endpoint as JSON payload
         - responses must have status code 206 for more responses coming and 204 for the last response already sent
     """
-
-    pipeline = Pipeline(*pipeline_head(url), rcompose(RestPickupStreamer(), RestReceiver()))
-
+    pipeline = get_lazy_pipeline(endpoint)
     yield from pipeline(data, metadata)
 
 
+def get_eager_pipeline(endpoint):
+    return Pipeline(*pipeline_head(endpoint), IdentityInterpreter())
+
+
+def get_lazy_pipeline(endpoint):
+    return Pipeline(*pipeline_head(endpoint), rcompose(RestPickupStreamer(), RestReceiver()))
+
+
 def pipeline_head(url):
     return RestPacker(), RestDispatcher(url), RestReceiver()
diff --git a/test/exploration_tests/partial_response_test.py b/test/exploration_tests/partial_response_test.py
index 560175f..0f5ae24 100644
--- a/test/exploration_tests/partial_response_test.py
+++ b/test/exploration_tests/partial_response_test.py
@@ -7,6 +7,6 @@ from pyinfra.server.utils import unpack
 
 @pytest.mark.parametrize("batched", [True, False])
 @pytest.mark.parametrize("item_type", ["pdf", "string", "image"])
-def test_sending_partial_request(url, input_data_items, metadata, operation, target_data_items, server_process):
+def test_sending_partial_request(url, input_data_items, metadata, target_data_items, server_process):
     output = lmap(unpack, process_eagerly(f"{url}/process", input_data_items, metadata))
     assert output == target_data_items
diff --git a/test/fixtures/input.py b/test/fixtures/input.py
index abb3282..e0b1faf 100644
--- a/test/fixtures/input.py
+++ b/test/fixtures/input.py
@@ -37,6 +37,14 @@ def target_data_items(input_data_items, item_type, operation, metadata):
     return expected
 
 
+@pytest.fixture
+def endpoint(url, analysis_type):
+    return {
+        "eager": f"{url}/process",
+        "lazy": f"{url}/submit",
+    }[analysis_type]
+
+
 @pytest.fixture(params=[0, 1, 5, 10])
 def n_items(request):
     return request.param
@@ -47,6 +55,16 @@ def n_pages(request):
     return request.param
 
 
+@pytest.fixture(params=["eager", "lazy"])
+def analysis_type(request):
+    return request.param
+
+
+@pytest.fixture(params=[1, 5, 90])
+def buffer_size(request):
+    return request.param
+
+
 def array_to_image(array) -> Image.Image:
     return Image.fromarray(np.uint8(array * 255), mode="RGB")
 
@@ -55,11 +73,6 @@ def input_batch(n_items):
     return np.random.random_sample(size=(n_items, 3, 30, 30))
 
 
-@pytest.fixture(params=[1, 5, 90])
-def buffer_size(request):
-    return request.param
-
-
 def images(n_items):
     return lmap(compose(image_to_bytes, array_to_image), input_batch(n_items))
 
diff --git a/test/unit_tests/pipeline_test.py b/test/unit_tests/pipeline_test.py
index c4395eb..a1a1415 100644
--- a/test/unit_tests/pipeline_test.py
+++ b/test/unit_tests/pipeline_test.py
@@ -1,6 +1,13 @@
-from funcy import rcompose
+import pytest
+from funcy import rcompose, lmap
 
+from pyinfra.server.dispatcher.senders.rest import RestDispatcher
+from pyinfra.server.interpreter.interpreters.identity import IdentityInterpreter
+from pyinfra.server.interpreter.interpreters.rest_callback import RestPickupStreamer
+from pyinfra.server.packer.packers.rest import RestPacker
 from pyinfra.server.pipeline import Pipeline
+from pyinfra.server.receiver.receivers.rest import RestReceiver
+from pyinfra.server.utils import unpack
 from pyinfra.utils.func import lift
 
 
@@ -13,3 +20,28 @@ def test_mock_pipeline():
     pipeline = Pipeline(f, g, h, u)
 
     assert list(pipeline(data)) == list(rcompose(f, g, h, u)(data))
+
+
+@pytest.mark.parametrize("batched", [True, False])
+@pytest.mark.parametrize("item_type", ["pdf", "string", "image"])
+def test_pipeline(pipeline, input_data_items, metadata, target_data_items):
+    output = lmap(unpack, pipeline(input_data_items, metadata))
+    assert output == target_data_items
+
+
+@pytest.fixture
+def pipeline(rest_pipeline):
+    return rest_pipeline
+
+
+@pytest.fixture
+def rest_pipeline(server_process, endpoint, rest_interpreter):
+    return Pipeline(RestPacker(), RestDispatcher(endpoint), RestReceiver(), rest_interpreter)
+
+
+@pytest.fixture
+def rest_interpreter(analysis_type):
+    return {
+        "eager": IdentityInterpreter(),
+        "lazy": rcompose(RestPickupStreamer(), RestReceiver()),
+    }[analysis_type]
diff --git a/test/unit_tests/rest/receiver_test.py b/test/unit_tests/rest/receiver_test.py
index b71eefa..f1c66d3 100644
--- a/test/unit_tests/rest/receiver_test.py
+++ b/test/unit_tests/rest/receiver_test.py
@@ -6,7 +6,7 @@ from pyinfra.server.dispatcher.senders.rest import RestDispatcher
 
 @pytest.mark.parametrize("batched", [True, False])
 @pytest.mark.parametrize("item_type", ["string", "image", "pdf"])
-def test_rest_receiver(url, packages, server_process):
-    sender = RestDispatcher(f"{url}/process")
+def test_rest_rest_receiver(url, packages, server_process):
+    dispatcher = RestDispatcher(f"{url}/process")
     receiver = RestReceiver()
-    assert all((isinstance(r, list) for r in receiver(sender(packages))))
+    assert all((isinstance(r, list) for r in receiver(dispatcher(packages))))