indent the text

Author: davydog187

lib/elixir/lib/exception.ex

@@ -1997,11 +1997,22 @@ defmodule Protocol.UndefinedError do
 
   @impl true
   def message(%{protocol: protocol, value: value, description: description}) do
+    inspected =
+      value
+      |> inspect(pretty: true)
+      |> String.replace(~r/^(?=.+)/m, "    ")
+
     "protocol #{inspect(protocol)} not implemented for type " <>
       value_type(value) <>
       maybe_description(description) <>
       maybe_available(protocol) <>
-      "\n\nGot value:\n\n#{inspect(value, pretty: true)}"
+      """
+
+
+      Got value:
+
+      #{inspected}
+      """
   end
 
   defp value_type(%{__struct__: struct}), do: "#{inspect(struct)} (a struct)"

lib/elixir/test/elixir/inspect_test.exs

@@ -530,16 +530,16 @@ defmodule Inspect.MapTest do
 
     Got value:
 
-    #Inspect.Error<
-      got ArgumentError with message:
+        #Inspect.Error<
+          got ArgumentError with message:
 
-          """
-          errors were found at the given arguments:
+              """
+              errors were found at the given arguments:
 
-            * 1st argument: not an atom
-          """
+                * 1st argument: not an atom
+              """
 
-      while inspecting:
+          while inspecting:
 
     '''
 
@@ -934,7 +934,7 @@ defmodule Inspect.CustomProtocolTest do
 
         Got value:
 
-        %Inspect.CustomProtocolTest.MissingImplementation{}
+            %Inspect.CustomProtocolTest.MissingImplementation{}
         """
 
     while inspecting:
@@ -965,7 +965,7 @@ defmodule Inspect.CustomProtocolTest do
 
           Got value:
 
-          %Inspect.CustomProtocolTest.MissingImplementation{}
+              %Inspect.CustomProtocolTest.MissingImplementation{}
           """
 
       while inspecting:

lib/elixir/test/elixir/protocol/consolidation_test.exs

@@ -184,7 +184,7 @@ defmodule Protocol.ConsolidationTest do
     message =
       "protocol Protocol.ConsolidationTest.Sample not implemented for type Atom. " <>
         "This protocol is implemented for the following type(s): Protocol.ConsolidationTest.ImplStruct" <>
-        "\n\nGot value:\n\n:foo"
+        "\n\nGot value:\n\n    :foo\n"
 
     assert_raise Protocol.UndefinedError, message, fn ->
       sample = String.to_atom("Elixir.Protocol.ConsolidationTest.Sample")

lib/elixir/test/elixir/protocol_test.exs

@@ -113,7 +113,14 @@ defmodule ProtocolTest do
   end
 
   test "protocol not implemented" do
-    message = "protocol ProtocolTest.Sample not implemented for type Atom\n\nGot value:\n\n:foo"
+    message =
+      """
+      protocol ProtocolTest.Sample not implemented for type Atom
+
+      Got value:
+
+          :foo
+      """
 
     assert_raise Protocol.UndefinedError, message, fn ->
       sample = String.to_atom("Elixir.ProtocolTest.Sample")

lib/elixir/test/elixir/string/chars_test.exs

@@ -105,23 +105,36 @@ defmodule String.Chars.ErrorsTest do
 
   test "bitstring" do
     message =
-      "protocol String.Chars not implemented for type BitString, cannot convert a bitstring to a string\n\nGot value:\n\n<<0, 1::size(4)>>"
+      """
+      protocol String.Chars not implemented for type BitString, cannot convert a bitstring to a string
+
+      Got value:
+
+          <<0, 1::size(4)>>
+      """
 
     assert_raise Protocol.UndefinedError, message, fn ->
       to_string(<<1::size(12)-integer-signed>>)
     end
   end
 
   test "tuple" do
-    message = "protocol String.Chars not implemented for type Tuple\n\nGot value:\n\n{1, 2, 3}"
+    message = """
+    protocol String.Chars not implemented for type Tuple
+
+    Got value:
+
+        {1, 2, 3}
+    """
 
     assert_raise Protocol.UndefinedError, message, fn ->
       to_string({1, 2, 3})
     end
   end
 
   test "PID" do
-    message = ~r"^protocol String\.Chars not implemented for type PID\n\nGot value:\n\n#PID<.+?>$"
+    message =
+      ~r"^protocol String\.Chars not implemented for type PID\n\nGot value:\n\n    #PID<.+?>$"
 
     assert_raise Protocol.UndefinedError, message, fn ->
       to_string(self())
@@ -130,7 +143,7 @@ defmodule String.Chars.ErrorsTest do
 
   test "ref" do
     message =
-      ~r"^protocol String\.Chars not implemented for type Reference\n\nGot value:\n\n#Reference<.+?>$"
+      ~r"^protocol String\.Chars not implemented for type Reference\n\nGot value:\n\n    #Reference<.+?>$"
 
     assert_raise Protocol.UndefinedError, message, fn ->
       to_string(make_ref()) == ""
@@ -139,7 +152,7 @@ defmodule String.Chars.ErrorsTest do
 
   test "function" do
     message =
-      ~r"^protocol String\.Chars not implemented for type Function\n\nGot value:\n\n#Function<.+?>$"
+      ~r"^protocol String\.Chars not implemented for type Function\n\nGot value:\n\n    #Function<.+?>$"
 
     assert_raise Protocol.UndefinedError, message, fn ->
       to_string(fn -> nil end)
@@ -150,7 +163,7 @@ defmodule String.Chars.ErrorsTest do
     [port | _] = Port.list()
 
     message =
-      ~r"^protocol String\.Chars not implemented for type Port\n\nGot value:\n\n#Port<.+?>$"
+      ~r"^protocol String\.Chars not implemented for type Port\n\nGot value:\n\n    #Port<.+?>$"
 
     assert_raise Protocol.UndefinedError, message, fn ->
       to_string(port)
@@ -159,7 +172,7 @@ defmodule String.Chars.ErrorsTest do
 
   test "user-defined struct" do
     message =
-      "protocol String\.Chars not implemented for type String.Chars.ErrorsTest.Foo (a struct)\n\nGot value:\n\n%String.Chars.ErrorsTest.Foo{foo: \"bar\"}"
+      "protocol String\.Chars not implemented for type String.Chars.ErrorsTest.Foo (a struct)\n\nGot value:\n\n    %String.Chars.ErrorsTest.Foo{foo: \"bar\"}\n"
 
     assert_raise Protocol.UndefinedError, message, fn ->
       to_string(%Foo{})