Finish implementation of as_map for BitString

lib/couchdb_connector/as_map.ex

@@ -1,12 +1,12 @@
 defprotocol AsMap do
   @moduledoc """
+  This protocol provides the as_map function that translates a BitString
+  returned from CouchDB into a Map.
   """
   def as_map(json)
 end
 
 defimpl AsMap, for: BitString do
-
-  Poison.decode("")
   def as_map(json) do
     case Poison.decode(json) do
       {:ok, decoded} -> decoded
@@ -16,8 +16,13 @@ defimpl AsMap, for: BitString do
         Document returned by CouchDB is invalid
         json: #{json}
         """
-      {:error, reason} ->
-        raise RuntimeError, message: "Document returned by CouchDB is not parseable\nreason: #{elem(reason, 0)}\nchar: #{elem(reason, 1)}\njson: #{json}"
+      {:error, {:invalid, token}} ->
+        raise RuntimeError, message:
+        """
+        Document returned by CouchDB is invalid
+        token: #{token}
+        json: #{json}
+        """
     end
   end
 end

test/couchdb_connector/as_map_test.exs

@@ -7,10 +7,9 @@ defmodule Couchdb.Connector.AsMapTest do
     invalid = "{\"_id\":\"foo\",\"_rev\":\"1-0f97561a543ed2e9c98a24dea818ec10\",test_key\":\"test_value\"}\n"
 
     assert_raise(RuntimeError, """
-    Document returned by CouchDB is not parseable
-    reason: invalid
-    char: t
-    json: {"_id":"foo","_rev":"1-0f97561a543ed2e9c98a24dea818ec10",test_key":"test_value"}
+    Document returned by CouchDB is invalid
+    token: t
+    json: {"_id":"foo","_rev":"1-0f97561a543ed2e9c98a24dea818ec10",test_key":"test_value"}\n
     """, fn -> as_map(invalid) end)
   end
 
@@ -19,13 +18,16 @@ defmodule Couchdb.Connector.AsMapTest do
 
     assert_raise(RuntimeError, """
     Document returned by CouchDB is invalid
-    json: 
+    json: #{empty}
     """,
     fn -> as_map(empty) end)
   end
 
-  # test "as_map/2 with valid json string should return decoded Map" do
-  #   valid = "{\"_id\":\"foo\",\"_rev\":\"1-0f97561a543ed2e9c98a24dea818ec10\",test_key\":\"test_value\"}\n"
-  #
-  # end
+  test "as_map/2 with valid json string should return decoded Map" do
+    valid = "{\"_id\":\"foo\",\"_rev\":\"1-0f97561a543ed2e9c98a24dea818ec10\",\"test_key\":\"test_value\"}\n"
+    decoded = as_map(valid)
+    assert decoded["_id"] == "foo"
+    assert decoded["_rev"] == "1-0f97561a543ed2e9c98a24dea818ec10"
+    assert decoded["test_key"] == "test_value"
+  end
 end