wheel: fix typo in default license (#465)

* wheel: fix typo in default license

Signed-off-by: Antonio Gutierrez <chibby0ne@gmail.com>

* Fix formatting errors pointed by black

Signed-off-by: Antonio Gutierrez <chibby0ne@gmail.com>

poetry/masonry/builders/wheel.py

@@ -296,7 +296,7 @@ class WheelBuilder(Builder):
         fp.write("Version: {}\n".format(self._meta.version))
         fp.write("Summary: {}\n".format(self._meta.summary))
         fp.write("Home-page: {}\n".format(self._meta.home_page or "UNKNOWN"))
-        fp.write("License: {}\n".format(self._meta.license or "UNKOWN"))
+        fp.write("License: {}\n".format(self._meta.license or "UNKNOWN"))
 
         # Optional fields
         if self._meta.keywords:

tests/masonry/builders/test_wheel.py

@@ -7,6 +7,7 @@ from poetry.masonry.builders import WheelBuilder
 from poetry.poetry import Poetry
 from poetry.utils._compat import Path
 from poetry.utils.venv import NullVenv
+from poetry.packages import ProjectPackage
 
 
 fixtures_dir = Path(__file__).parent / "fixtures"
@@ -122,3 +123,23 @@ def test_package_with_include(mocker):
         assert "my_module.py" in names
         assert "notes.txt" in names
         assert "package_with_include/__init__.py" in names
+
+
+def test_write_metadata_file_license_homepage_default(mocker):
+    # Preparation
+    mocked_poetry = mocker.Mock()
+    mocked_poetry.file.parent = Path(".")
+    mocked_poetry.package = ProjectPackage("pkg_name", "1.0.0")
+    mocked_file = mocker.Mock()
+    mocked_venv = mocker.Mock()
+    mocked_io = mocker.Mock()
+    # patch Module init inside Builder class
+    mocker.patch("poetry.masonry.builders.builder.Module")
+    w = WheelBuilder(mocked_poetry, mocked_venv, mocked_io)
+
+    # Action
+    w._write_metadata_file(mocked_file)
+
+    # Assertion
+    mocked_file.write.assert_any_call("Home-page: UNKNOWN\n")
+    mocked_file.write.assert_any_call("License: UNKNOWN\n")