Add test cases for spdx

Copy over old test cases from poetry repository.

tests/spdx/test_license.py

@@ -0,0 +1,50 @@
+from poetry.core.spdx import license_by_id
+
+
+def test_classifier_name():
+    license = license_by_id("lgpl-3.0-or-later")
+
+    assert (
+        license.classifier_name
+        == "GNU Lesser General Public License v3 or later (LGPLv3+)"
+    )
+
+
+def test_classifier_name_no_classifer_osi_approved():
+    license = license_by_id("LiLiQ-R-1.1")
+
+    assert license.classifier_name is None
+
+
+def test_classifier_name_no_classifer():
+    license = license_by_id("Leptonica")
+
+    assert license.classifier_name == "Other/Proprietary License"
+
+
+def test_classifier():
+    license = license_by_id("lgpl-3.0-or-later")
+
+    assert license.classifier == (
+        "License :: "
+        "OSI Approved :: "
+        "GNU Lesser General Public License v3 or later (LGPLv3+)"
+    )
+
+
+def test_classifier_no_classifer_osi_approved():
+    license = license_by_id("LiLiQ-R-1.1")
+
+    assert license.classifier == "License :: OSI Approved"
+
+
+def test_classifier_no_classifer():
+    license = license_by_id("Leptonica")
+
+    assert license.classifier == "License :: Other/Proprietary License"
+
+
+def test_proprietary_license():
+    license = license_by_id("Proprietary")
+
+    assert "License :: Other/Proprietary License" == license.classifier

tests/spdx/test_main.py

@@ -0,0 +1,43 @@
+import pytest
+
+from poetry.core.spdx import license_by_id
+
+
+def test_license_by_id():
+    license = license_by_id("MIT")
+
+    assert license.id == "MIT"
+    assert license.name == "MIT License"
+    assert license.is_osi_approved
+    assert not license.is_deprecated
+
+    license = license_by_id("LGPL-3.0-or-later")
+
+    assert license.id == "LGPL-3.0-or-later"
+    assert license.name == "GNU Lesser General Public License v3.0 or later"
+    assert license.is_osi_approved
+    assert not license.is_deprecated
+
+
+def test_license_by_id_is_case_insensitive():
+    license = license_by_id("mit")
+
+    assert license.id == "MIT"
+
+    license = license_by_id("miT")
+
+    assert license.id == "MIT"
+
+
+def test_license_by_id_with_full_name():
+    license = license_by_id("GNU Lesser General Public License v3.0 or later")
+
+    assert license.id == "LGPL-3.0-or-later"
+    assert license.name == "GNU Lesser General Public License v3.0 or later"
+    assert license.is_osi_approved
+    assert not license.is_deprecated
+
+
+def test_license_by_id_invalid():
+    with pytest.raises(ValueError):
+        license_by_id("invalid")