add tests

src/kfactory/geometry.py

@@ -490,7 +490,9 @@ def irotate(self, angle: int, center: tuple[int, int] | None = None) -> Self:
             self.transform(t)
         return self
 
-    def imirror(self, p1: tuple[int, int], p2: tuple[int, int]) -> Self:
+    def imirror(
+        self, p1: tuple[int, int] = (1000, 0), p2: tuple[int, int] = (0, 0)
+    ) -> Self:
         """Mirror self at a line."""
         p1_ = kdb.Point(p1[0], p1[1]).to_dtype(self.kcl.dbu)
         p2_ = kdb.Point(p2[0], p2[1]).to_dtype(self.kcl.dbu)
@@ -511,12 +513,12 @@ def imirror(self, p1: tuple[int, int], p2: tuple[int, int]) -> Self:
 
         return self
 
-    def imirror_x(self, x: int) -> Self:
+    def imirror_x(self, x: int = 0) -> Self:
         """Mirror self at an y-axis at position x."""
         self.transform(kdb.Trans(2, True, 2 * x, 0))
         return self
 
-    def imirror_y(self, y: int) -> Self:
+    def imirror_y(self, y: int = 0) -> Self:
         """Mirror self at an x-axis at position y."""
         self.transform(kdb.Trans(0, True, 0, 2 * y))
         return self
@@ -699,7 +701,9 @@ def drotate(self, angle: float, center: tuple[float, float] | None = None) -> Se
             self.transform(t)
         return self
 
-    def dmirror(self, p1: tuple[float, float], p2: tuple[float, float]) -> Self:
+    def dmirror(
+        self, p1: tuple[float, float] = (1, 0), p2: tuple[float, float] = (0, 0)
+    ) -> Self:
         """Mirror self at a line."""
         p1_ = kdb.DPoint(p1[0], p1[1])
         p2_ = kdb.DPoint(p2[0], p2[1])
@@ -722,12 +726,12 @@ def dmirror(self, p1: tuple[float, float], p2: tuple[float, float]) -> Self:
         return self
 
     def dmirror_x(self, x: float = 0) -> Self:
-        """Mirror self at an x-axis."""
+        """Mirror self at an y-axis at position x."""
         self.transform(kdb.DCplxTrans(1, 180, True, 2 * x, 0))
         return self
 
     def dmirror_y(self, y: float = 0) -> Self:
-        """Mirror self at an y-axis."""
+        """Mirror self at an x-axis at position y."""
         self.transform(kdb.DCplxTrans(1, 0, True, 0, 2 * y))
         return self
 

tests/test_instance.py

@@ -448,5 +448,68 @@ def test_center(dbu_instance_tuple: _DBUInstanceTuple) -> None:
     assert _instances_equal(instance1, instance3)
 
 
+def test_mirror_y_default_arg(dbu_instance_tuple: _DBUInstanceTuple) -> None:
+    instance1, instance2, instance3 = dbu_instance_tuple
+
+    instance1.mirror_y()
+    instance2.dmirror_y()
+    instance3.imirror_y()
+
+    assert _instances_equal(instance1, instance2)
+    assert _instances_equal(instance1, instance3)
+
+
+def test_mirror_x_default_arg(dbu_instance_tuple: _DBUInstanceTuple) -> None:
+    instance1, instance2, instance3 = dbu_instance_tuple
+
+    instance1.mirror_x()
+    instance2.dmirror_x()
+    instance3.imirror_x()
+
+    assert _instances_equal(instance1, instance2)
+    assert _instances_equal(instance1, instance3)
+
+
+def test_mirror_default_arg(dbu_instance_tuple: _DBUInstanceTuple) -> None:
+    instance1, instance2, instance3 = dbu_instance_tuple
+
+    instance1.mirror()
+    instance2.dmirror()
+    instance3.imirror()
+
+    assert _instances_equal(instance1, instance2)
+    assert _instances_equal(instance1, instance3)
+
+
+def test_mirror_x_equal() -> None:
+    cell = kf.kcell.DKCell()
+    layer = kf.kdb.LayerInfo(1, 0)
+    cell.shapes(layer).insert(kf.kdb.DBox(-5, -5, 5, 5))
+    parent_cell = kf.kcell.DKCell()
+    _ = parent_cell << cell
+    ref2 = parent_cell << cell
+    ref3 = parent_cell << cell
+
+    ref2.dmirror_x()
+    ref3.imirror_x()
+
+    assert parent_cell.bbox() == kf.kdb.DBox(-5, -5, 5, 5)
+
+
+def test_mirror_y_equal() -> None:
+    cell = kf.kcell.DKCell()
+    layer = kf.kdb.LayerInfo(1, 0)
+    cell.shapes(layer).insert(kf.kdb.DBox(-5, -5, 5, 5))
+    parent_cell = kf.kcell.DKCell()
+    _ = parent_cell << cell
+    ref2 = parent_cell << cell
+    ref3 = parent_cell << cell
+
+    ref2.dmirror_y()
+    ref3.imirror_y()
+
+    assert parent_cell.bbox() == kf.kdb.DBox(-5, -5, 5, 5)
+
+
 if __name__ == "__main__":
     pytest.main([__file__])