Add test for read_excel engine

Author: davetapley

pandas-stubs/io/excel/_base.pyi

@@ -35,7 +35,7 @@ from pandas._typing import (
     WriteExcelBuffer,
 )
 
-ReadEngine: TypeAlias  = Literal["xlrd", "openpyxl", "odf", "pyxlsb", "calamine"]
+ReadEngine: TypeAlias = Literal["xlrd", "openpyxl", "odf", "pyxlsb", "calamine"]
 
 @overload
 def read_excel(
@@ -207,8 +207,7 @@ def read_excel(
     dtype_backend: DtypeBackend | NoDefault = ...,
 ) -> DataFrame: ...
 
-
-WriteEngine: TypeAlias  = Literal["openpyxl", "odf", "xlsxwriter"]
+WriteEngine: TypeAlias = Literal["openpyxl", "odf", "xlsxwriter"]
 
 class ExcelWriter:
     def __init__(

pyproject.toml

@@ -64,6 +64,7 @@ SQLAlchemy = ">=2.0.12"
 types-python-dateutil = ">=2.8.19"
 beautifulsoup4 = ">=4.12.2"
 html5lib = ">=1.1"
+python-calamine = "0.2.0"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]

tests/test_io.py

@@ -961,6 +961,16 @@ def test_read_excel() -> None:
             ),
             pd.DataFrame,
         )
+        check(
+            assert_type(
+                pd.read_excel(
+                    path,
+                    engine="calamine",
+                ),
+                pd.DataFrame,
+            ),
+            pd.DataFrame,
+        )
         if TYPE_CHECKING_INVALID_USAGE:
             pd.read_excel(path, names="abcd")  # type: ignore[call-overload] # pyright: ignore[reportArgumentType]