Allow using poison 3.0 in addition to 1.5 and 2.0

lib/couchdb_connector/as_map.ex

@@ -28,6 +28,7 @@ defimpl Couchdb.Connector.AsMap, for: BitString do
   def as_map(json) do
     case Poison.decode(json) do
       {:ok, decoded} -> decoded
+      # poison 1.5 and 2.0 can produce these errors
       {:error, :invalid} ->
         raise RuntimeError, message:
         """
@@ -41,6 +42,30 @@ defimpl Couchdb.Connector.AsMap, for: BitString do
         token: #{token}
         json: #{json}
         """
+      # poison 3.0 can produce these errors
+      {:error, :invalid, pos} ->
+        raise RuntimeError, message:
+        """
+        Document returned by CouchDB is invalid
+        pos: #{pos}
+        json: #{json}
+        """
+      {:error, {:invalid, token, pos}} ->
+        raise RuntimeError, message:
+        """
+        Document returned by CouchDB is invalid
+        token: #{token}
+        pos: #{pos}
+        json: #{json}
+        """
+      # catch all
+      {:error, any} ->
+        raise RuntimeError, message:
+        """
+        Document returned by CouchDB is invalid
+        reason: #{inspect(any)}
+        json: #{json}
+        """
     end
   end
 end

mix.exs

@@ -4,7 +4,7 @@ defmodule Couchdb.Connector.Mixfile do
   def project do
     [
       app: :couchdb_connector,
-      version: "0.4.0",
+      version: "0.4.1",
       elixir: "~> 1.2",
       build_embedded: Mix.env == :prod,
       start_permanent: Mix.env == :prod,
@@ -23,7 +23,7 @@ defmodule Couchdb.Connector.Mixfile do
   defp deps do
     [
       {:httpoison, "~> 0.8 or ~> 0.9 or ~> 0.10"},
-      {:poison, "~> 1.5 or ~> 2.0"},
+      {:poison, "~> 1.5 or ~> 2.0 or ~> 3.0"},
       {:excoveralls, "~> 0.5", only: [:dev, :test]},
       {:credo, "~> 0.5", only: [:dev, :test]},
       {:earmark, "~> 1.0", only: :dev},

mix.lock

@@ -12,5 +12,5 @@
   "jsx": {:hex, :jsx, "2.6.2", "213721e058da0587a4bce3cc8a00ff6684ced229c8f9223245c6ff2c88fbaa5a", [:mix, :rebar], []},
   "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], []},
   "mimerl": {:hex, :mimerl, "1.0.2", "993f9b0e084083405ed8252b99460c4f0563e41729ab42d9074fd5e52439be88", [:rebar3], []},
-  "poison": {:hex, :poison, "2.2.0", "4763b69a8a77bd77d26f477d196428b741261a761257ff1cf92753a0d4d24a63", [:mix], []},
+  "poison": {:hex, :poison, "3.0.0", "625ebd64d33ae2e65201c2c14d6c85c27cc8b68f2d0dd37828fde9c6920dd131", [:mix], []},
   "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.1", "28a4d65b7f59893bc2c7de786dec1e1555bd742d336043fe644ae956c3497fbe", [:make, :rebar], []}}

test/couchdb_connector/as_map_test.exs

@@ -6,21 +6,13 @@ defmodule Couchdb.Connector.AsMapTest do
   test "as_map/1 with invalid json string should raise RuntimeError" do
     invalid = "{\"_id\":\"foo\",\"_rev\":\"1-0f97561a543ed2e9c98a24dea818ec10\",test_key\":\"test_value\"}\n"
 
-    assert_raise(RuntimeError, """
-    Document returned by CouchDB is invalid
-    token: t
-    json: {"_id":"foo","_rev":"1-0f97561a543ed2e9c98a24dea818ec10",test_key":"test_value"}\n
-    """, fn -> as_map(invalid) end)
+    assert_raise(RuntimeError, fn -> as_map(invalid) end)
   end
 
   test "as_map/1 with empty string should raise RuntimeError" do
     empty = ""
 
-    assert_raise(RuntimeError, """
-    Document returned by CouchDB is invalid
-    json: #{empty}
-    """,
-    fn -> as_map(empty) end)
+    assert_raise(RuntimeError, fn -> as_map(empty) end)
   end
 
   test "as_map/1 with valid json string should return decoded Map" do