Adding smoke test for fig

tests/conftest.py

@@ -0,0 +1,22 @@
+import pytest
+
+
+def pytest_addoption(parser):
+    parser.addoption("--gui", action="store_true", default=False, help="run gui tests")
+
+
+def pytest_configure(config):
+    config.addinivalue_line("markers", "gui: mark gui test")
+
+
+def pytest_collection_modifyitems(config, items):
+
+    # run gui tests --gui option is proveded
+    if config.getoption("--gui"):
+        return
+
+    # skip gui tests otherwise
+    skip_gui = pytest.mark.skip(reason="need --gui option to run")
+    for item in items:
+        if "gui" in item.keywords:
+            item.add_marker(skip_gui)

tests/test_fig.py

@@ -0,0 +1,44 @@
+from cadquery import Workplane, Assembly, Sketch, Vector, Location
+from cadquery.func import box
+from cadquery.vis import vtkAxesActor, ctrlPts
+from cadquery.fig import Figure
+
+from pytest import fixture, mark
+
+
+@fixture(scope="module")
+def fig():
+    return Figure()
+
+
+@mark.gui
+def test_fig(fig):
+
+    # showables
+    s = box(1, 1, 1)
+    wp = Workplane().box(1, 1, 1)
+    assy = Assembly().add(box(1, 1, 1))
+    sk = Sketch().rect(1, 1)
+    ctrl_pts = ctrlPts(sk.val().toNURBS())
+    v = Vector()
+    loc = Location()
+    act = vtkAxesActor()
+
+    # individual showables
+    fig.show(s, wp, assy, sk, ctrl_pts, v, loc, act)
+
+    # fit
+    fig.fit()
+
+    # clear
+    fig.clear()
+
+    # lists of showables
+    fig.show(s.Edges()).show([Vector(), Vector(0, 1)])
+
+    # displaying nonsense does not throw
+    fig.show("a").show(["a", 1234])
+
+    # pop
+    fig.show(s, color="red")
+    fig.pop()