test-data/unit/outputjson.test

-- Test cases for `--output=json`.
-- These cannot be run by the usual unit test runner because of the backslashes
-- in the output, which get normalized to forward slashes by the test suite on
-- Windows.

[case testOutputJsonNoIssues]
# flags: --output=json
def foo() -> None:
    pass

foo()
[out]

[case testOutputJsonSimple]
# flags: --output=json
def foo() -> None:
    pass

foo(1)
[out]
{"file": "main", "line": 5, "column": 0, "end_line": 5, "end_column": 6, "message": "Too many arguments for \"foo\"", "hint": null, "code": "call-arg", "severity": "error"}

[case testOutputJsonWithHint]
# flags: --output=json
from typing import Optional, overload

@overload
def foo() -> None: ...
@overload
def foo(x: int) -> None: ...

def foo(x: Optional[int] = None) -> None:
    ...

reveal_type(foo)

foo('42')

def bar() -> None: ...
bar('42')
[out]
{"file": "main", "line": 12, "column": 12, "end_line": 12, "end_column": 15, "message": "Revealed type is \"Overload(def (), def (x: int))\"", "hint": null, "code": "misc", "severity": "note"}
{"file": "main", "line": 14, "column": 0, "end_line": 14, "end_column": 9, "message": "No overload variant of \"foo\" matches argument type \"str\"", "hint": "Possible overload variants:\n    def foo() -> None\n    def foo(x: int) -> None", "code": "call-overload", "severity": "error"}
{"file": "main", "line": 17, "column": 0, "end_line": 17, "end_column": 9, "message": "Too many arguments for \"bar\"", "hint": null, "code": "call-arg", "severity": "error"}

[case testOutputJsonParallel]
# flags: --output=json --num-workers=2
def foo() -> None:
    pass

foo(1)
[out]
{"file": "main", "line": 5, "column": 0, "end_line": 5, "end_column": 6, "message": "Too many arguments for \"foo\"", "hint": null, "code": "call-arg", "severity": "error"}

[case testOutputJsonSyntaxError]
# flags: --output=json
klass foo
[out]
{"file": "main", "line": 2, "column": 7, "end_line": 2, "end_column": 8, "message": "Invalid syntax", "hint": null, "code": "syntax", "severity": "error"}
!!! Mypy crashed !!!

[case testOutputJsonSyntaxErrorParallel]
# flags: --output=json --num-workers=2
break
[out]
{"file": "main", "line": 2, "column": 0, "end_line": 2, "end_column": 5, "message": "\"break\" outside loop", "hint": null, "code": null, "severity": "error"}
!!! Mypy crashed !!!