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Parenthesize match..case if guards (#13513)

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Micha Reiser 2024-09-26 08:44:33 +02:00 • committed by GitHub
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7 changed files with 155 additions and 88 deletions
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61
crates/ruff_python_formatter/tests/snapshots/black_compatibility@cases__pattern_matching_with_if_stmt.py.snap
View file

@ -44,36 +44,9 @@ match x:
```diff
--- Black
+++ Ruff
@@ -3,34 +3,36 @@
@@ -21,11 +21,17 @@
pass
match smth:
- case "test" if (
- "any long condition" != "another long condition" and "this is a long condition"
- ):
+ case "test" if "any long condition" != "another long condition" and "this is a long condition":
pass
- case test if (
- "any long condition" != "another long condition"
- and "this is a looooong condition"
- ):
+ case (
+ test
+ ) if "any long condition" != "another long condition" and "this is a looooong condition":
pass
- case test if (
- "any long condition" != "another long condition"
- and "this is a looooong condition"
- ): # some additional comments
+ case (
+ test
+ ) if "any long condition" != "another long condition" and "this is a looooong condition": # some additional comments
pass
- case test if True: # some comment
+ case test if (True): # some comment
pass
- case test if False: # some comment
+ case test if (False): # some comment
case test if False: # some comment
pass
- case test if True: # some comment
+ case test if (
@ -92,12 +65,6 @@ match x:
pass # some comment
# case black_test_patma_052 (originally in the pattern_matching_complex test case)
match x:
case [1, 0] if x := x[:0]:
y = 1
- case [1, 0] if x := x[:0]:
+ case [1, 0] if (x := x[:0]):
y = 1
```
## Ruff Output
@ -108,19 +75,23 @@ match match:
pass
match smth:
case "test" if "any long condition" != "another long condition" and "this is a long condition":
case "test" if (
"any long condition" != "another long condition" and "this is a long condition"
):
pass
case (
test
) if "any long condition" != "another long condition" and "this is a looooong condition":
case test if (
"any long condition" != "another long condition"
and "this is a looooong condition"
):
pass
case (
test
) if "any long condition" != "another long condition" and "this is a looooong condition": # some additional comments
case test if (
"any long condition" != "another long condition"
and "this is a looooong condition"
): # some additional comments
pass
case test if (True): # some comment
case test if True: # some comment
pass
case test if (False): # some comment
case test if False: # some comment
pass
case test if (
True # some comment
@ -139,7 +110,7 @@ match smth:
match x:
case [1, 0] if x := x[:0]:
y = 1
case [1, 0] if (x := x[:0]):
case [1, 0] if x := x[:0]:
y = 1
```

38
crates/ruff_python_formatter/tests/snapshots/black_compatibility@cases__remove_redundant_parens_in_case_guard.py.snap
View file

@ -69,20 +69,7 @@ match 1:
```diff
--- Black
+++ Ruff
@@ -1,10 +1,10 @@
match 1:
- case _ if True:
+ case _ if (True):
pass
match 1:
- case _ if True:
+ case _ if (True):
pass
@@ -25,27 +25,33 @@
@@ -25,12 +25,16 @@
match 1:
@ -101,18 +88,7 @@ match 1:
pass
match 1:
- case _ if True: # this is a comment
+ case _ if (True): # this is a comment
pass
match 1:
- case _ if True: # comment over the line limit unless parens are removed x
+ case _ if (
+ True
+ ): # comment over the line limit unless parens are removed x
pass
@@ -45,7 +49,7 @@
match 1:
@ -129,12 +105,12 @@ match 1:
```python
match 1:
case _ if (True):
case _ if True:
pass
match 1:
case _ if (True):
case _ if True:
pass
@ -169,14 +145,12 @@ match 1:
match 1:
case _ if (True): # this is a comment
case _ if True: # this is a comment
pass
match 1:
case _ if (
True
): # comment over the line limit unless parens are removed x
case _ if True: # comment over the line limit unless parens are removed x
pass

87
crates/ruff_python_formatter/tests/snapshots/format@statement__match.py.snap
View file

@ -594,6 +594,31 @@ match n % 3, n % 5:
match x:
case Child(aaaaaaaaa, bbbbbbbbbbbbbbb, cccccc), Doc(aaaaa, bbbbbbbbbb, ddddddddddddd):
pass
match guard_comments:
case "abcd" if ( # trailing open parentheses comment
aaaaaaaaahhhhhhhh == 1 and bbbbbbaaaaaaaaaaa == 2
):
pass
case "bcdef" if (
aaaaaaaaahhhhhhhh == 1 and bbbbbbaaaaaaaaaaa == 2 # trailing end of line comment
): # comment
pass
case "efgh" if (
# leading own line comment
aaaaaahhhhhh == 1
):
pass
case "hijk" if (
aaaaaaaaa == 1
# trailing own line comment
):
pass
```
## Output
@ -1232,6 +1257,31 @@ match x:
aaaaa, bbbbbbbbbb, ddddddddddddd
):
pass
match guard_comments:
case "abcd" if ( # trailing open parentheses comment
aaaaaaaaahhhhhhhh == 1 and bbbbbbaaaaaaaaaaa == 2
):
pass
case "bcdef" if (
aaaaaaaaahhhhhhhh == 1
and bbbbbbaaaaaaaaaaa == 2 # trailing end of line comment
): # comment
pass
case "efgh" if (
# leading own line comment
aaaaaahhhhhh == 1
):
pass
case "hijk" if (
aaaaaaaaa == 1
# trailing own line comment
):
pass
```
@ -1239,17 +1289,48 @@ match x:
```diff
--- Stable
+++ Preview
@@ -69,7 +69,7 @@
case "case comment with newlines" if foo == 2: # second
pass
- case "one", "newline" if (foo := 1): # third
+ case "one", "newline" if foo := 1: # third
pass
case "two newlines":
@@ -82,7 +82,9 @@
match long_lines:
- case "this is a long line for if condition" if aaaaaaaaahhhhhhhh == 1 and bbbbbbaaaaaaaaaaa == 2: # comment
+ case (
+ "this is a long line for if condition"
+ ) if aaaaaaaaahhhhhhhh == 1 and bbbbbbaaaaaaaaaaa == 2: # comment
+ case "this is a long line for if condition" if (
+ aaaaaaaaahhhhhhhh == 1 and bbbbbbaaaaaaaaaaa == 2
+ ): # comment
pass
case "this is a long line for if condition with parentheses" if (
@@ -93,7 +95,7 @@
case "named expressions aren't special" if foo := 1:
pass
- case "named expressions aren't that special" if (foo := 1):
+ case "named expressions aren't that special" if foo := 1:
pass
case "but with already broken long lines" if (
@@ -101,9 +103,9 @@
): # another comment
pass
- case {
- "long_long_long_key": str(long_long_long_key)
- } if value := "long long long long long long long long long long long value":
+ case {"long_long_long_key": str(long_long_long_key)} if (
+ value := "long long long long long long long long long long long value"
+ ):
pass
@@ -198,7 +200,9 @@
# trailing own 2
):