Prepare the functional test for #6444

And small refactor to the code

3 files changed, 10 insertions, 9 deletions

diff --git a/pylint/checkers/strings.py b/pylint/checkers/strings.py
index 8d885756c..e7f14e20b 100644
--- a/pylint/checkers/strings.py
+++ b/pylint/checkers/strings.py
@@ -701,11 +701,11 @@ class StringConstantChecker(BaseTokenChecker, BaseRawFileChecker):
 
     def process_tokens(self, tokens: list[tokenize.TokenInfo]) -> None:
         encoding = "ascii"
-        for i, (tok_type, token, start, _, line) in enumerate(tokens):
-            if tok_type == tokenize.ENCODING:
+        for i, (token_type, token, start, _, line) in enumerate(tokens):
+            if token_type == tokenize.ENCODING:
                 # this is always the first token processed
                 encoding = token
-            elif tok_type == tokenize.STRING:
+            elif token_type == tokenize.STRING:
                 # 'token' is the whole un-parsed token; we can look at the start
                 # of it to see whether it's a raw or unicode string etc.
                 self.process_string_token(token, start[0], start[1])
@@ -792,13 +792,12 @@ class StringConstantChecker(BaseTokenChecker, BaseRawFileChecker):
             if elt.col_offset < 0:
                 # This can happen in case of escaped newlines
                 continue
-            if (elt.lineno, elt.col_offset) not in self.string_tokens:
+            token_index = (elt.lineno, elt.col_offset)
+            if token_index not in self.string_tokens:
                 # This may happen with Latin1 encoding
                 # cf. https://github.com/PyCQA/pylint/issues/2610
                 continue
-            matching_token, next_token = self.string_tokens[
-                (elt.lineno, elt.col_offset)
-            ]
+            matching_token, next_token = self.string_tokens[token_index]
             # We detect string concatenation: the AST Const is the
             # combination of 2 string tokens
             if matching_token != elt.value and next_token is not None:
diff --git a/tests/functional/i/implicit/implicit_str_concat.py b/tests/functional/i/implicit/implicit_str_concat.py
index 9df3d406a..920b29258 100644
--- a/tests/functional/i/implicit/implicit_str_concat.py
+++ b/tests/functional/i/implicit/implicit_str_concat.py
@@ -30,9 +30,11 @@ TEST_LIST7 = ('a' 'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb \
 # No warning for bytes
 TEST_LIST8 = [b'A' b'B']
 
+# There's an internal juxtaposition on the second line in a valid multiline
+# TODO #6444: raise implicit-str-concat on the second line pylint: disable=fixme
 print(
     "Lorem ipsum dolor sit amet, consectetur adipiscing elit,"
-    " sed do eiusmod tempor incididunt ut labore et dolore "
+    " sed do eiusmod tempor " "incididunt ut labore et dolore "
     "magna aliqua. Ut enim ad minim veniam, quis nostrud "
     "exercitation ullamco laboris nisi ut aliquip ex ea "
 )
diff --git a/tests/functional/i/implicit/implicit_str_concat.txt b/tests/functional/i/implicit/implicit_str_concat.txt
index d585a68c5..9ab1d416a 100644
--- a/tests/functional/i/implicit/implicit_str_concat.txt
+++ b/tests/functional/i/implicit/implicit_str_concat.txt
@@ -5,4 +5,4 @@ implicit-str-concat:11:0:None:None::Implicit string concatenation found in list:
 implicit-str-concat:13:0:None:None::Implicit string concatenation found in call:HIGH
 implicit-str-concat:14:0:None:None::Implicit string concatenation found in call:HIGH
 implicit-str-concat:27:0:None:None::Implicit string concatenation found in assignment:HIGH
-implicit-str-concat:40:0:None:None::Implicit string concatenation found in call:HIGH
+implicit-str-concat:42:0:None:None::Implicit string concatenation found in call:HIGH