Properly handle newlines in diagnostic error tests

pradyunsg · pradyunsg · commit 2baace7961af · 2021-12-03T15:06:44.000Z
This is necessary to ensure that the output can be compared directly.
diff --git a/tests/unit/test_exceptions.py b/tests/unit/test_exceptions.py
@@ -63,7 +63,7 @@ def rendered_in_ascii(error: DiagnosticPipError, *, color: bool = False) -> str:
     with io.BytesIO() as stream:
         console = rich.console.Console(
             force_terminal=False,
-            file=io.TextIOWrapper(stream, encoding="ascii"),
+            file=io.TextIOWrapper(stream, encoding="ascii", newline=""),
             color_system="truecolor" if color else None,
         )
         console.print(error)

Original file line number	Diff line number	Diff line change
`@@ -63,7 +63,7 @@ def rendered_in_ascii(error: DiagnosticPipError, *, color: bool = False) -> str:`
`63`	`63`	`with io.BytesIO() as stream:`
`64`	`64`	`console = rich.console.Console(`
`65`	`65`	`force_terminal=False,`
`66`		`- file=io.TextIOWrapper(stream, encoding="ascii"),`
	`66`	`+ file=io.TextIOWrapper(stream, encoding="ascii", newline=""),`
`67`	`67`	`color_system="truecolor" if color else None,`
`68`	`68`	`)`
`69`	`69`	`console.print(error)`