Test the Version class

tests/test_build_docs_version.py

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+from __future__ import annotations
+
+import pytest
+
+from build_docs import Version
+
+
+def test_equality() -> None:
+    # Arrange
+    version1 = Version(name="3.13", status="stable", branch_or_tag="3.13")
+    version2 = Version(name="3.13", status="stable", branch_or_tag="3.13")
+
+    # Act / Assert
+    assert version1 == version2
+
+
+@pytest.mark.parametrize(
+    ("name", "expected"),
+    [
+        ("3.13", "-rrequirements.txt"),
+        ("3.10", "standard-imghdr"),
+        ("3.7", "sphinx==2.3.1"),
+        ("3.5", "sphinx==1.8.4"),
+    ],
+)
+def test_requirements(name: str, expected: str) -> None:
+    # Arrange
+    version = Version(name=name, status="stable", branch_or_tag="")
+
+    # Act / Assert
+    assert expected in version.requirements
+
+
+def test_requirements_error() -> None:
+    # Arrange
+    version = Version(name="2.8", status="ex-release", branch_or_tag="")
+
+    # Act / Assert
+    with pytest.raises(ValueError, match="unreachable"):
+        _ = version.requirements
+
+
+@pytest.mark.parametrize(
+    ("status", "expected"),
+    [
+        ("EOL", "never"),
+        ("security-fixes", "yearly"),
+        ("stable", "daily"),
+    ],
+)
+def test_changefreq(status: str, expected: str) -> None:
+    # Arrange
+    version = Version(name="3.13", status=status, branch_or_tag="")
+
+    # Act / Assert
+    assert version.changefreq == expected
+
+
+def test_url() -> None:
+    # Arrange
+    version = Version(name="3.13", status="stable", branch_or_tag="")
+
+    # Act / Assert
+    assert version.url == "https://docs.python.org/3.13/"
+
+
+def test_title() -> None:
+    # Arrange
+    version = Version(name="3.14", status="in development", branch_or_tag="")
+
+    # Act / Assert
+    assert version.title == "Python 3.14 (in development)"
+
+
+@pytest.mark.parametrize(
+    ("name", "status", "expected"),
+    [
+        ("3.15", "in development", "dev (3.15)"),
+        ("3.14", "pre-release", "pre (3.14)"),
+        ("3.13", "stable", "3.13"),
+    ],
+)
+def test_picker_label(name: str, status: str, expected: str) -> None:
+    # Arrange
+    version = Version(name=name, status=status, branch_or_tag="")
+
+    # Act / Assert
+    assert version.picker_label == expected