WS-507: implemented more tests, which involved refactoring of some classes

ongoing development

apps/cli/executables/pexable/ingest_envoy/ingest_envoy/ingestion_manifest.py

 """ The ingestion manifest """
-from pathlib import Path
+import json
 
 # pylint: disable=E0402, R0903, R0913
+from typing import Dict
 
 from .utilities import Telescope
 
@@ -12,7 +13,8 @@ class Parameters:
     def __init__(
         self,
         telescope: Telescope,
-        ingestion_path: Path,
+        # for JSON parsing, path must be a string
+        ingestion_path: str,
         additional_metadata: str,
         collection_metadata: str,
         reingest: bool = False,
@@ -25,6 +27,9 @@ class Parameters:
         self.reingest = reingest
         self.ngas_ingest = ngas_ingest
 
+    def __repr__(self):
+        return repr(self.__dict__)
+
 
 class InputGroup:
     """
@@ -38,6 +43,9 @@ class InputGroup:
     def __init__(self):
         self.science_products = []
 
+    def __repr__(self) -> str:
+        return repr(self.__dict__)
+
 
 class IngestionManifest:
     """Represents JSON layout of ingestion information, encompassing several potential scenarios.
@@ -47,13 +55,35 @@ class IngestionManifest:
     def __init__(self, parameters: Parameters):
         self.parameters = parameters
 
-        # to be an InputGroup
         self.input_group = InputGroup()
-        # to be an OutputGroup
+        if self.parameters.additional_metadata:
+            self.input_group.science_products.append(
+                json.loads(self.parameters.additional_metadata)
+            )
+
         self.output_group = OutputGroup()
+        if self.parameters.collection_metadata:
+            self.output_group.ancillary_products.append(
+                json.loads(self.parameters.collection_metadata)
+            )
+        self.ingestion_path = self.parameters.ingestion_path
+        # TODO: what is this, and how do we use it?
         self.associate_group = AssociateGroup()
-        self.ingestion_path = None
-        self.science_products = []
+
+    def content(self) -> Dict:
+        """
+        Accessor for manifest content
+
+        :return: manifest as dict
+        """
+        return dict(
+            input_group=repr(self.input_group),
+            output_group=repr(self.output_group),
+            associate_group=repr(self.associate_group),
+            ingestion_path=repr(self.ingestion_path),
+            science_products=repr(self.input_group.science_products),
+            ancillary_products=repr(self.output_group.ancillary_products),
+        )
 
 
 class OutputGroup:
@@ -63,6 +93,9 @@ class OutputGroup:
         self.science_products = []
         self.ancillary_products = []
 
+    def __repr__(self):
+        return repr(self.__dict__)
+
 
 class AssociateGroup:
     """
@@ -78,3 +111,6 @@ class AssociateGroup:
 
     def __init__(self):
         self.science_products = []
+
+    def __repr__(self):
+        return repr(self.__dict__)