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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/assert_invalid_msg_expr.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..83,
body: [
Assert(
StmtAssert {
node_index: NodeIndex(None),
range: 0..16,
test: BooleanLiteral(
ExprBooleanLiteral {
node_index: NodeIndex(None),
range: 7..12,
value: false,
},
),
msg: Some(
Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 14..16,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 15..16,
id: Name("x"),
ctx: Load,
},
),
ctx: Load,
},
),
),
},
),
Assert(
StmtAssert {
node_index: NodeIndex(None),
range: 17..30,
test: BooleanLiteral(
ExprBooleanLiteral {
node_index: NodeIndex(None),
range: 24..29,
value: false,
},
),
msg: None,
},
),
Assert(
StmtAssert {
node_index: NodeIndex(None),
range: 31..39,
test: Name(
ExprName {
node_index: NodeIndex(None),
range: 38..39,
id: Name("x"),
ctx: Load,
},
),
msg: None,
},
),
Assert(
StmtAssert {
node_index: NodeIndex(None),
range: 40..61,
test: BooleanLiteral(
ExprBooleanLiteral {
node_index: NodeIndex(None),
range: 47..52,
value: false,
},
),
msg: Some(
Yield(
ExprYield {
node_index: NodeIndex(None),
range: 54..61,
value: Some(
Name(
ExprName {
node_index: NodeIndex(None),
range: 60..61,
id: Name("x"),
ctx: Load,
},
),
),
},
),
),
},
),
Assert(
StmtAssert {
node_index: NodeIndex(None),
range: 62..77,
test: BooleanLiteral(
ExprBooleanLiteral {
node_index: NodeIndex(None),
range: 69..74,
value: false,
},
),
msg: Some(
Name(
ExprName {
node_index: NodeIndex(None),
range: 76..77,
id: Name("x"),
ctx: Load,
},
),
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 81..82,
value: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 81..82,
value: Int(
1,
),
},
),
},
),
],
},
)
```
## Errors
|
1 | assert False, *x
| ^^ Syntax Error: Starred expression cannot be used here
2 | assert False, assert x
3 | assert False, yield x
|
|
1 | assert False, *x
2 | assert False, assert x
| ^^^^^^ Syntax Error: Expected an expression
3 | assert False, yield x
4 | assert False, x := 1
|
|
1 | assert False, *x
2 | assert False, assert x
3 | assert False, yield x
| ^^^^^^^ Syntax Error: Yield expression cannot be used here
4 | assert False, x := 1
|
|
2 | assert False, assert x
3 | assert False, yield x
4 | assert False, x := 1
| ^^ Syntax Error: Expected a statement
|