1 files changed, 93 insertions, 0 deletions
diff --git a/share/extensions/tests/test_color_randomize.py b/share/extensions/tests/test_color_randomize.py
new file mode 100644
index 0000000..496e741
--- /dev/null
+++ b/share/extensions/tests/test_color_randomize.py
@@ -0,0 +1,93 @@
+# coding=utf-8
+from color_randomize import Randomize
+from .test_inkex_extensions import ColorBaseCase
+from inkex.tester import ComparisonMixin, TestCase
+
+Randomize.deterministic_output = True
+
+
+class ColorRandomizeTest(ColorBaseCase):
+    effect_class = Randomize
+    python3_only = True
+    color_tests = [
+        # "hsl(191, 122, 150)" = rgb(150, 100, 200)
+        ("none", "none"),
+        # The default ranges are set to 0, and thus the color and opacity should not change (except
+        # for rounding errors)
+        ("hsl(191, 122, 150)", "hsl(191, 122, 149)"),
+        # The user selected 0% values, and thus the color should not change.
+        ("hsl(191, 122, 150)", "hsl(191, 122, 149)", ["-y 0", "-t 0", "-m 0"]),
+        # Random hue only. Saturation and lightness not changed.
+        ("hsl(191, 122, 150)", "hsl(223, 122, 149)", ["-y 50", "-t 0", "-m 0"]),
+        # Same settings, test stationarity of output.
+        ("hsl(191, 122, 150)", "hsl(223, 122, 149)", ["-y 50", "-t 0", "-m 0"]),
+        # Random saturation only. Hue and lightness not changed.
+        ("hsl(191, 122, 150)", "hsl(191, 146, 149)", ["-y 0", "-t 30", "-m 0"]),
+        # Random lightness only. Hue and saturation not changed.
+        ("hsl(191, 122, 150)", "hsl(190, 120, 190)", ["-y 0", "-t 0", "-m 50"]),
+        # The maximum hsl values should be between 0 and 100% of their maximum
+        ("hsl(190, 122, 150)", "hsl(81, 126, 209)", ["-y 100", "-t 100", "-m 100"]),
+    ]
+
+    opacity_tests = [
+        (5, 5),
+        # The user selected 0% opacity range, and thus the opacity should not change.
+        (0.15, 0.15, ["-o 0"]),
+        # The opacity value should be greater than 0
+        (0.0, 0.84, ["-o 100"]),
+        # The opacity value should be lesser than 1
+        (1.0, 0.77, ["-o 100"]),
+        # Other units are available
+        ("0.5", 0.654, ["-o 54"]),
+        # test that output is deterministic
+        ("0.500001", 0.654, ["-o 54"]),
+        # Test no opacity
+        # The opacity value should be lesser than 1
+    ]
+
+    def test_bad_opacity(self):
+        """Bad opacity error handled"""
+        self.effect.modify_opacity("opacity", "hello")
+
+
+class TestRandomizeGradients(ComparisonMixin, TestCase):
+    """Direct tests for color mechanisms"""
+
+    effect_class = Randomize
+    compare_file = "svg/colors.svg"
+    python3_only = True
+
+    comparisons = [
+        (
+            "-y 50",
+            "-t 50",
+            "-m 50",
+            "-o 100",
+            "--id=r1",
+            "--id=r2",
+            "--id=r3",
+            "--id=r4",
+            "--id=r5",
+            "--id=r6",
+        ),
+    ]
+
+
+class TestRandomizeOpacity(ComparisonMixin, TestCase):
+    """Direct tests for color mechanisms"""
+
+    effect_class = Randomize
+    compare_file = "svg/dpiswitcher_96dpi.svg"
+    python3_only = True
+
+    comparisons = [
+        (
+            "-y 0",
+            "-t 0",
+            "-m 0",
+            "-o 100",
+            "--id=layer_group_rect_uu2",
+            "--id=layer_group_path",
+            "--id=root_rect_uu",
+        ),
+    ]