Add windows to CI

.gitattributes

@@ -0,0 +1 @@
+test/*_SUITE_data/* text eol=lf

.github/workflows/ci.yml

@@ -30,6 +30,9 @@ jobs:
           - os: ubuntu-22.04
             otp-version: 26
             rebar3-version: 3.22
+          - os: windows-2022
+            otp-version: 26
+            rebar3-version: 3.22
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout

test/assert_diagnostic.erl

@@ -81,15 +81,18 @@ assert_snapshot_match(Expected, Output) ->
             ct:fail("unexpected: ~p~n", [Other])
     end.
 
-assert_binary_match(Expected, Formatted) ->
-    case Formatted of
-        Expected ->
-            ok;
-        Other ->
-            % Split by lines (preserving empty lines).
-            Expected2 = string:split(Expected, "\n", all),
-            Other2 = string:split(Other, "\n", all),
-            % We already know they are not equal,
-            % this macro gives a better diagnostic.
-            ?assertListEqual(Expected2, Other2)
-    end.
+assert_binary_match(Expected0, Formatted0) ->
+    Expected = unicode:characters_to_binary(string:replace(Expected0, "\r\n", "\n", all)),
+    Formatted = unicode:characters_to_binary(Formatted0),
+    ?assertEqual(Expected, Formatted).
+% case string:equal(Expected, Formatted) of
+    %     true ->
+    %         ok;
+    %     false ->
+    %         % Split by lines (preserving empty lines).
+    %         Expected2 = string:split(Expected, "\n", all),
+    %         Other = string:split(Formatted, "\n", all),
+    %         % We already know they are not equal,
+    %         % this macro gives a better diagnostic.
+    %         ?assertListEqual(Expected2, Other)
+    % end.

test/erlfmt_SUITE.erl

@@ -1112,9 +1112,8 @@ snapshot_formatted(Module, Config) ->
 snapshot_match(FormattedModule, Module, Config, Options) ->
     % Format `Module` and check it matches `FormattedModule`.
     DataDir = ?config(data_dir, Config),
-    {ok, FormattedBin} = file:read_file(filename:join([DataDir, FormattedModule])),
+    {ok, Formatted} = file:read_file(filename:join([DataDir, FormattedModule])),
     {ok, OriginalBin} = file:read_file(filename:join([DataDir, Module])),
-    Formatted = unicode:characters_to_list(FormattedBin),
     Original = unicode:characters_to_list(OriginalBin),
     Output = erlfmt:format_string(Original, Options),
     assert_diagnostic:assert_snapshot_match(Formatted, Output).
@@ -1127,7 +1126,7 @@ format_string_unicode(_) ->
     Options = [],
     Output = erlfmt:format_string(Original, Options),
     % Already formatted: we just check encoding is still ok.
-    assert_diagnostic:assert_snapshot_match(Original, Output).
+    assert_diagnostic:assert_snapshot_match(unicode:characters_to_binary(Original), Output).
 
 error_ignore_begin_ignore(_) ->
     assert_error(

test/erlfmt_cli_SUITE.erl

@@ -133,7 +133,7 @@ smoke_test_stdio_unicode(Config) ->
     stdio_test("unicode.erl", "--require-pragma", Config).
 
 smoke_test_stdio_insert_pragma_without(Config) when is_list(Config) ->
-    Formatted = os:cmd("echo '-module(nopragma).' | " ++ escript() ++ " - --insert-pragma"),
+    Formatted = os:cmd("echo \"-module(nopragma).\" | " ++ escript() ++ " - --insert-pragma"),
     Expected =
         "%%% % @format\n"
         "\n"
@@ -142,21 +142,21 @@ smoke_test_stdio_insert_pragma_without(Config) when is_list(Config) ->
 
 smoke_test_stdio_delete_pragma(Config) when is_list(Config) ->
     Formatted = os:cmd(
-        "echo '%% @format\n\n-module(nopragma).' | " ++ escript() ++ " - --delete-pragma"
+        "echo \"%% @format\n\n-module(nopragma).\" | " ++ escript() ++ " - --delete-pragma"
     ),
     Expected =
         "-module(nopragma).\n",
     ?assertEqual(Expected, Formatted).
 
 smoke_test_stdio_delete_pragma_without(Config) when is_list(Config) ->
-    Formatted = os:cmd("echo '-module(nopragma).' | " ++ escript() ++ " - --delete-pragma"),
+    Formatted = os:cmd("echo \"-module(nopragma).\" | " ++ escript() ++ " - --delete-pragma"),
     Expected =
         "-module(nopragma).\n",
     ?assertEqual(Expected, Formatted).
 
 smoke_test_stdio_delete_pragma_with_copyright(Config) when is_list(Config) ->
     Formatted = os:cmd(
-        "echo '%% @format\n%% copyright\n\n-module(nopragma).' | " ++ escript() ++
+        "echo \"%% @format\n%% copyright\n\n-module(nopragma).\" | " ++ escript() ++
             " - --delete-pragma"
     ),
     Expected =
@@ -167,7 +167,7 @@ smoke_test_stdio_delete_pragma_with_copyright(Config) when is_list(Config) ->
 
 smoke_test_stdio_reinsert_pragma(Config) when is_list(Config) ->
     Formatted = os:cmd(
-        "echo '%% @format\n%%% copyright\n\n-module(nopragma).' | " ++ escript() ++
+        "echo \"%% @format\n%%% copyright\n\n-module(nopragma).\" | " ++ escript() ++
             " - --insert-pragma"
     ),
     Expected =
@@ -180,7 +180,7 @@ smoke_test_stdio_reinsert_pragma(Config) when is_list(Config) ->
 %% respect the number of percentages when replacing the pragma
 smoke_test_stdio_reinsert_pragma_second(Config) when is_list(Config) ->
     Formatted = os:cmd(
-        "echo '%% copyright\n%% @format\n\n-module(nopragma).' | " ++ escript() ++
+        "echo \"%% copyright\n%% @format\n\n-module(nopragma).\" | " ++ escript() ++
             " - --insert-pragma"
     ),
     Expected =
@@ -192,7 +192,7 @@ smoke_test_stdio_reinsert_pragma_second(Config) when is_list(Config) ->
 
 smoke_test_stdio_reinsert_pragma_config(Config) when is_list(Config) ->
     Formatted = os:cmd(
-        "echo '%% @format\n\n%%% actual comment\n{}.\n' | " ++ escript() ++
+        "echo \"%% @format\n\n%%% actual comment\n{}.\n\" | " ++ escript() ++
             " - --insert-pragma"
     ),
     Expected =
@@ -238,7 +238,7 @@ noformat_pragma_file(Config) when is_list(Config) ->
 
 noformat_pragma(Config) when is_list(Config) ->
     Formatted = os:cmd(
-        "echo '%% @noformat\n\n%%% actual comment\n{ }.' | " ++ escript() ++ " -"
+        "echo \"%% @noformat\n\n%%% actual comment\n{ }.\" | " ++ escript() ++ " -"
     ),
     Expected =
         "%% @noformat\n"
@@ -280,10 +280,9 @@ stdio_test(FileName, Options, Config) ->
     DataDir = ?config(data_dir, Config),
     Path = filename:join(DataDir, FileName),
     Formatted = os:cmd("cat " ++ Path ++ " | " ++ escript() ++ " - " ++ Options),
-    % ?assertEqual(toto, Path),
     {ok, Expected} = file:read_file(Path),
     assert_diagnostic:assert_binary_match(Expected, unicode:characters_to_binary(Formatted)).
 
 escript() ->
     %% this relies on the _build structure rebar3 uses
-    filename:join(code:lib_dir(erlfmt), "../../bin/erlfmt").
+    "escript " ++ filename:join(code:lib_dir(erlfmt), "../../bin/erlfmt").