jinja[spacing]: fix negative numbers inside arrays (#2328)

Fixes: #2317

Author: ssbarnea

.github/workflows/tox.yml

@@ -165,7 +165,7 @@ jobs:
       WSLENV: FORCE_COLOR:PYTEST_REQPASS:TOXENV:TOX_PARALLEL_NO_SPINNER
       # Number of expected test passes, safety measure for accidental skip of
       # tests. Update value if you add/remove tests.
-      PYTEST_REQPASS: 694
+      PYTEST_REQPASS: 696
 
     steps:
       - name: Activate WSL1

src/ansiblelint/rules/jinja.py

@@ -243,7 +243,7 @@ def in_expression(tokens: list[Any]) -> str:
                         if token[1] in begin_types:
                             avoid_spacing = True
                             break
-                        if token[1] == "operator" and token[2] in (":", ""):
+                        if token[1] == "operator" and token[2] in (":", "", "["):
                             avoid_spacing = True
                             break
                         if token[1] in ("operator", "integer", "string", "name"):
@@ -299,7 +299,7 @@ def in_expression(tokens: list[Any]) -> str:
                             "(",
                         ):
                             tokens.pop()
-                        elif tokens[-2][2] == ":" and in_expression(tokens) == "[":
+                        elif tokens[-2][2] != "," and in_expression(tokens) == "[":
                             tokens.pop()
                 else:
                     if tokens[-2][1] == "operator" and tokens[-2][2] in ("-", "+"):
@@ -525,6 +525,20 @@ def test_jinja_spacing_vars() -> None:
                 "spacing",
                 id="33",
             ),
+            pytest.param(
+                # negative array index
+                "{{ foo[-1] }}",
+                "{{ foo[-1] }}",
+                "spacing",
+                id="34",
+            ),
+            pytest.param(
+                # negative array index, repair
+                "{{ foo[- 1] }}",
+                "{{ foo[-1] }}",
+                "spacing",
+                id="35",
+            ),
         ),
     )
     def test_jinja(text: str, expected: str, tag: str) -> None: