diff --git a/CHANGELOG.md b/CHANGELOG.md
index bae2b54e..3193c889 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ ml).
 
 ## testing
 - [add] #305 add button download iso Workbench.
+- [add] #306 add link for download json snapshot
 - [changed] #302 add system uuid for check the identity of one device.
 
 ## [2.2.0] - 2022-06-24
diff --git a/tests/test_render_2_0.py b/tests/test_render_2_0.py
index 94aa9d7f..d300249c 100644
--- a/tests/test_render_2_0.py
+++ b/tests/test_render_2_0.py
@@ -1385,3 +1385,18 @@ def test_export_lots(user3: UserClientFlask):
     assert fixture_csv[0] == export_csv[0], 'Headers are not equal'
     assert fixture_csv[1][1:] == export_csv[1][1:], 'Computer information are not equal'
     UUID(export_csv[1][0])
+
+
+@pytest.mark.mvp
+@pytest.mark.usefixtures(conftest.app_context.__name__)
+def test_export_snapshot_json(user3: UserClientFlask):
+    file_name = 'real-eee-1001pxd.snapshot.12.json'
+    snap = create_device(user3, file_name)
+
+    snapshot = conftest.yaml2json(file_name.split(".json")[0])
+    snapshot = json.dumps(snapshot)
+
+    uri = "/inventory/export/snapshot/?id={}".format(snap.uuid)
+    body, status = user3.get(uri)
+    assert status == '200 OK'
+    assert body == snapshot