Make hints optional (#52)

Co-authored-by: Johannes Maron <johannes@maron.family>

Author: El-Virus

relint/parse.py

@@ -103,32 +103,36 @@ def print_culprits(matches, args):
         if args.summarize:
             match_groups[test].append(f"{filename}:{start_line_no}")
         else:
-            hint = Panel(
-                Markdown(test.hint, justify="left"),
-                title="Hint:",
-                title_align="left",
-                padding=(0, 2),
-            )
+            message_bits = []
 
-            if args.code_padding == -1:
-                message = hint
-            else:
+            if args.code_padding != -1:
                 lexer = Syntax.guess_lexer(filename)
-                syntax = Syntax(
-                    match.string,
-                    lexer=lexer,
-                    line_numbers=True,
-                    line_range=(
-                        start_line_no - args.code_padding,
-                        end_line_no + args.code_padding,
-                    ),
-                    highlight_lines=range(start_line_no, end_line_no + 1),
+                message_bits.append(
+                    Syntax(
+                        match.string,
+                        lexer=lexer,
+                        line_numbers=True,
+                        line_range=(
+                            start_line_no - args.code_padding,
+                            end_line_no + args.code_padding,
+                        ),
+                        highlight_lines=range(start_line_no, end_line_no + 1),
+                    )
+                )
+
+            if test.hint:
+                message_bits.append(
+                    Panel(
+                        Markdown(test.hint, justify="left"),
+                        title="Hint:",
+                        title_align="left",
+                        padding=(0, 2),
+                    )
                 )
-                message = Group(syntax, hint)
 
             messages.append(
                 Panel(
-                    message,
+                    Group(*message_bits),
                     title=f"{'Error' if test.error else 'Warning'}: {test.name}",
                     title_align="left",
                     subtitle=f"{filename}:{start_line_no}",
@@ -140,13 +144,18 @@ def print_culprits(matches, args):
 
     if args.summarize:
         for test, filenames in match_groups.items():
-            hint = Panel(
-                Markdown(test.hint, justify="left"),
-                title="Hint:",
-                title_align="left",
-                padding=(0, 2),
-            )
-            group = Group(Group(*filenames), hint)
+            group = Group(*filenames)
+            if test.hint:
+                group = Group(
+                    group,
+                    Panel(
+                        Markdown(test.hint, justify="left"),
+                        title="Hint:",
+                        title_align="left",
+                        padding=(0, 2),
+                    ),
+                )
+
             messages.append(
                 Panel(
                     group,

tests/fixtures/.relint.yml

@@ -31,3 +31,7 @@
 
   filePattern: ^(?!.*test_).*\.(py|js)$
   error: true
+
+- name: no hint
+  pattern: '(?i)hint'
+  filePattern: ^(?!.*test_).*\.(py|js)$

tests/test_main.py

@@ -44,6 +44,20 @@ def test_main_execution_with_error(self, capsys, tmpdir, fixture_dir):
         assert "❱ 1 # FIXME do something" in out
         assert exc_info.value.code == 1
 
+    @pytest.mark.parametrize("args", [tuple(), ("--summarize")])
+    def test_main_execution_without_hint(self, args, capsys, tmpdir, fixture_dir):
+        with (fixture_dir / ".relint.yml").open() as fs:
+            config = fs.read()
+        tmpdir.join(".relint.yml").write(config)
+        tmpdir.join("dummy.py").write("# hint: 🤐")
+        with tmpdir.as_cwd():
+            with pytest.raises(SystemExit):
+                main(["relint.py", "dummy.py", *args])
+
+        out, _ = capsys.readouterr()
+        assert "dummy.py:1" in out
+        assert "Error: no hint" in out
+
     def test_raise_for_warnings(self, tmpdir, fixture_dir):
         with (fixture_dir / ".relint.yml").open() as fs:
             config = fs.read()