3 files changed, 74 insertions, 0 deletions
diff --git a/tests/thumbnailer/data/example_palette.png b/tests/thumbnailer/data/example_palette.png
new file mode 100644
index 0000000..6bf25e1
--- /dev/null
+++ b/tests/thumbnailer/data/example_palette.png
diff --git a/tests/thumbnailer/data/example_rgb.png b/tests/thumbnailer/data/example_rgb.png
new file mode 100644
index 0000000..a245642
--- /dev/null
+++ b/tests/thumbnailer/data/example_rgb.png
diff --git a/tests/thumbnailer/test_thumbnailer.py b/tests/thumbnailer/test_thumbnailer.py
new file mode 100644
index 0000000..62bf127
--- /dev/null
+++ b/tests/thumbnailer/test_thumbnailer.py
@@ -0,0 +1,74 @@
+import os
+from pathlib import Path
+
+import pytest
+from hircine.thumbnailer import Thumbnailer, ThumbnailParameters
+from PIL import Image
+
+mock_params = ThumbnailParameters(bounds=(1440, 2880), options={})
+
+
+def test_thumbnailer_object():
+    thumb = Thumbnailer("objects/", params={})
+    assert thumb.object("abcdef", "foo") == os.path.join("objects/", "ab/cdef_foo.webp")
+
+
+@pytest.mark.parametrize(
+    "extension, can_process",
+    [
+        (".png", True),
+        (".jpeg", True),
+        (".jpg", True),
+        (".gif", True),
+        (".bmp", True),
+        (".json", False),
+        (".txt", False),
+    ],
+    ids=["png", "jpeg", "jpg", "gif", "bmp", "json", "txt"],
+)
+def test_thumbnailer_can_process(extension, can_process):
+    assert Thumbnailer.can_process(extension) == can_process
+
+
+def test_thumbnailer_process(data):
+    thumb = Thumbnailer(data("objects/"), params={"mock": mock_params})
+
+    with open(data("example_rgb.png"), "rb") as f:
+        size = Image.open(f, mode="r").size
+        reported_size = thumb.process(f, "abcdef")
+
+    assert reported_size == size
+
+    output = thumb.object("abcdef", "mock")
+
+    assert os.path.exists(output)
+
+
+def test_thumbnailer_converts_non_rgb(data):
+    thumb = Thumbnailer(data("objects/"), params={"mock": mock_params})
+
+    with open(data("example_palette.png"), "rb") as f:
+        size = Image.open(f, mode="r").size
+        reported_size = thumb.process(f, "abcdef")
+
+    assert reported_size == size
+
+    output = thumb.object("abcdef", "mock")
+
+    assert os.path.exists(output)
+
+    output_image = Image.open(output)
+    assert output_image.mode == "RGB"
+
+
+def test_thumbnailer_process_ignores_existing(data):
+    thumb = Thumbnailer(data("objects/"), params={"mock": mock_params})
+
+    output = Path(thumb.object("abcdef", "mock"))
+    os.makedirs(os.path.dirname(output))
+    output.touch()
+
+    with open(data("example_palette.png"), "rb") as f:
+        thumb.process(f, "abcdef")
+
+    assert output.stat().st_size == 0