Rename test to tests; fix equator length.

tests/test_icons.py

@@ -0,0 +1,94 @@
+"""
+Test icon generation for nodes.
+"""
+import pytest
+
+from roentgen.grid import IconCollection
+from roentgen.icon import IconSet
+from tests import SCHEME, SHAPE_EXTRACTOR, workspace
+
+__author__ = "Sergey Vartanov"
+__email__ = "me@enzet.ru"
+
+
+@pytest.fixture
+def init_collection() -> IconCollection:
+    """Create collection of all possible icon sets."""
+    return IconCollection.from_scheme(SCHEME, SHAPE_EXTRACTOR)
+
+
+def test_grid(init_collection: IconCollection) -> None:
+    """Test grid drawing."""
+    init_collection.draw_grid(workspace.output_path / "grid.svg")
+
+
+def test_icons_by_id(init_collection: IconCollection) -> None:
+    """Test individual icons drawing."""
+    init_collection.draw_icons(workspace.get_icons_by_id_path())
+
+
+def test_icons_by_name(init_collection: IconCollection) -> None:
+    """Test drawing individual icons that have names."""
+    init_collection.draw_icons(workspace.get_icons_by_name_path(), by_name=True)
+
+
+def get_icon(tags: dict[str, str]) -> IconSet:
+    """Construct icon from tags."""
+    processed: set[str] = set()
+    icon, _ = SCHEME.get_icon(SHAPE_EXTRACTOR, tags, processed, 18)
+    return icon
+
+
+def test_no_icons() -> None:
+    """
+    Tags that has no description in scheme and should be visualized with default
+    shape.
+    """
+    icon = get_icon({"aaa": "bbb"})
+    assert icon.main_icon.is_default()
+
+
+def test_icon() -> None:
+    """
+    Tags that should be visualized with single main icon and without extra
+    icons.
+    """
+    icon = get_icon({"natural": "tree"})
+    assert not icon.main_icon.is_default()
+    assert not icon.extra_icons
+
+
+def test_icon_1_extra() -> None:
+    """
+    Tags that should be visualized with single main icon and single extra icon.
+    """
+    icon = get_icon({"barrier": "gate", "access": "private"})
+    assert not icon.main_icon.is_default()
+    assert len(icon.extra_icons) == 1
+
+
+def test_icon_2_extra() -> None:
+    """
+    Tags that should be visualized with single main icon and two extra icons.
+    """
+    icon = get_icon({"barrier": "gate", "access": "private", "bicycle": "yes"})
+    assert not icon.main_icon.is_default()
+    assert len(icon.extra_icons) == 2
+
+
+def test_no_icon_1_extra() -> None:
+    """
+    Tags that should be visualized with default main icon and single extra icon.
+    """
+    icon = get_icon({"access": "private"})
+    assert icon.main_icon.is_default()
+    assert len(icon.extra_icons) == 1
+
+
+def test_no_icon_2_extra() -> None:
+    """
+    Tags that should be visualized with default main icon and two extra icons.
+    """
+    icon = get_icon({"access": "private", "bicycle": "yes"})
+    assert icon.main_icon.is_default()
+    assert len(icon.extra_icons) == 2