test: Test json in stream maps (#283)

.github/workflows/meltano-run.yml

@@ -25,6 +25,10 @@ jobs:
           mapping: whitelist
           output_db: tap_smoke_test.db
           query: "select * from animals limit 20"
+        - tap: tap-smoke-test
+          mapping: json_field
+          output_db: tap_smoke_test.db
+          query: "select * from animals limit 20"
         - tap: people
           mapping: flatten
           output_db: people.db

meltano.yml

@@ -65,6 +65,15 @@ plugins:
             id: id
             description: description
             __else__: __NULL__
+    # Put some fields into a JSON object
+    - name: json_field
+      config:
+        stream_maps:
+          # JSON-ify the some fields
+          animals:
+            id: id
+            data: "json.dumps({'description': description, 'verified': verified, 'views': views, 'created_at': created_at})"
+            __else__: null
     - name: flatten
       config:
         stream_maps: {}