add full set of DesignAxisModel tests

Author: chrissimpkins

tests/test_models.py

@@ -0,0 +1,112 @@
+from pathlib import Path
+
+from PyQt5.QtWidgets import QTableView
+
+from slice.models import DesignAxisModel, FontModel
+
+
+def get_font_model():
+    return FontModel(Path("tests/assets/fonts/Recursive-VF.subset.ttf").resolve())
+
+
+def test_font_model():
+    fm = FontModel("testpath")
+    assert fm.fontpath == "testpath"
+
+
+def test_designaxis_model_default(qtbot, qtmodeltester):
+    tableview = QTableView()
+    model = DesignAxisModel()
+    tableview.setModel(model)
+    qtbot.addWidget(tableview)
+    # check model with default instantiation
+    qtmodeltester.check(model)
+
+
+def test_designaxis_model_filled(qtbot, qtmodeltester):
+    tableview = QTableView()
+    model = DesignAxisModel()
+    tableview.setModel(model)
+    qtbot.addWidget(tableview)
+    model.load_font(get_font_model())
+
+    # test with qtmodeltester
+    qtmodeltester.check(model)
+
+    # confirm that font data loaded appropriately
+    assert model._h_header == ["(Min, Max) [Default]", "Instance Values"]
+    assert model.ordered_axis_tags == ["MONO", "CASL", "wght", "slnt", "CRSV"]
+    assert model._v_header == ["MONO", "CASL", "wght", "slnt", "CRSV"]
+    assert model.fvar_axes == {
+        "MONO": [0.0, 0.0, 1.0],
+        "CASL": [0.0, 0.0, 1.0],
+        "wght": [300.0, 300.0, 1000.0],
+        "slnt": [-15.0, 0.0, 0.0],
+        "CRSV": [0.0, 0.5, 1.0],
+    }
+    assert model._data == [
+        ["(0.0, 1.0) [0.0]", ""],
+        ["(0.0, 1.0) [0.0]", ""],
+        ["(300.0, 1000.0) [300.0]", ""],
+        ["(-15.0, 0.0) [0.0]", ""],
+        ["(0.0, 1.0) [0.5]", ""],
+    ]
+
+
+def test_designaxis_model_get_instance_data(qtbot):
+    tableview = QTableView()
+    model = DesignAxisModel()
+    tableview.setModel(model)
+    qtbot.addWidget(tableview)
+    model.load_font(get_font_model())
+
+    # without user entered definitions, we should get default
+    # axis values
+    assert model.get_instance_data() == {
+        "MONO": 0.0,
+        "CASL": 0.0,
+        "wght": 300.0,
+        "slnt": 0.0,
+        "CRSV": 0.5,
+    }
+
+    # simulate update of model data with user input
+    # and check again to confirm that it is present
+    model._data[0][1] = "1.0"
+    model._data[1][1] = "1.0"
+    model._data[2][1] = "1000.0"
+    model._data[3][1] = "-15.0"
+    model._data[4][1] = "1.0"
+    model.layoutChanged.emit()
+
+    assert model.get_instance_data() == {
+        "MONO": 1.0,
+        "CASL": 1.0,
+        "wght": 1000.0,
+        "slnt": -15.0,
+        "CRSV": 1.0,
+    }
+
+
+def test_designaxis_model_get_number_of_axes(qtbot):
+    tableview = QTableView()
+    model = DesignAxisModel()
+    tableview.setModel(model)
+    qtbot.addWidget(tableview)
+    model.load_font(get_font_model())
+
+    assert model.get_number_of_axes() == 5
+
+
+def test_designaxis_model_get_default_axis_value(qtbot):
+    tableview = QTableView()
+    model = DesignAxisModel()
+    tableview.setModel(model)
+    qtbot.addWidget(tableview)
+    model.load_font(get_font_model())
+
+    assert model.get_default_axis_value("MONO") == 0.0
+    assert model.get_default_axis_value("CASL") == 0.0
+    assert model.get_default_axis_value("wght") == 300.0
+    assert model.get_default_axis_value("slnt") == 0.0
+    assert model.get_default_axis_value("CRSV") == 0.5