added rule H029, closes #125

docs/djlint/changelog.rst

@@ -4,6 +4,8 @@ Changelog
 next_release
 ------------
 - Added rule T027 to check for unclosed in template syntax
+- Added rule T028 to check for missing spaceless tags in attributes
+- Added rule H029 to check for lowercase form method
 
 0.5.9a
 ------

docs/djlint/rules.rst

@@ -67,7 +67,8 @@ Codes
 +--------+-------------------------------------------------------------------------+
 | T028   | Consider using spaceless tags inside attribute values.                  |
 +--------+-------------------------------------------------------------------------+
-
+| H029   | Consider using lowercase form method values.                            |
++--------+-------------------------------------------------------------------------+
 
 
 Adding Rules

src/djlint/rules.yaml

@@ -205,3 +205,8 @@
     patterns:
     - <(?:/?(?:\w+)\b(?:\"[^\"]*\"|'[^']*'|{[^}]*}|[^'\">{}/])*=([\"'])(?:(?!\1).)*?({%|{{)[^-])
     - <(?:/?(?:\w+)\b(?:\"[^\"]*\"|'[^']*'|{[^}]*}|[^'\">{}/])*=([\"'])(?:(?!\1).)*?[^-](%}|}}))
+- rule:
+    name: H029
+    message: Consider using lowercase form method values.
+    patterns:
+    - <[fF][oO][rR][mM]\b(?:\"[^\"]*\"|'[^']*'|{[^}]*}|[^'\">{}/])*([mM][eE][tT][hH][oO][dD])=(([\"'])[a-zA-Z]*?[A-Z][a-zA-Z]*?\3)

tests/test_linter.py

@@ -483,6 +483,21 @@ def test_T028(runner: CliRunner, tmp_file: TextIO) -> None:
     assert "T028" not in result.output
 
 
+def test_H029(runner: CliRunner, tmp_file: TextIO) -> None:
+    write_to_file(tmp_file.name, b'<forM method="Post">')
+    result = runner.invoke(djlint, [tmp_file.name])
+    assert result.exit_code == 1
+    assert "H029" in result.output
+
+    write_to_file(tmp_file.name, b'<forM method="post">')
+    result = runner.invoke(djlint, [tmp_file.name])
+    assert "H029" not in result.output
+
+    write_to_file(tmp_file.name, b'<a method="post">')
+    result = runner.invoke(djlint, [tmp_file.name])
+    assert "H029" not in result.output
+
+
 def test_rules_not_matched_in_ignored_block(
     runner: CliRunner, tmp_file: TextIO
 ) -> None: