ReaderChain and image reader

1 files changed, 51 insertions, 0 deletions

diff --git a/test/reader/image/test_image.py b/test/reader/image/test_image.py
new file mode 100644
index 0000000..c60ca75
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+++ b/test/reader/image/test_image.py
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+"""
+
+Part of the bsie test suite.
+A copy of the license is provided with the project.
+Author: Matthias Baumgartner, 2022
+"""
+# standard imports
+import importlib
+import os
+import unittest
+
+# bsie imports
+from bsie.utils import errors
+
+# objects to test
+from bsie.reader.image import Image
+
+
+## code ##
+
+class TestImage(unittest.TestCase):
+    def setUp(self):
+        importlib.import_module(__package__ + '.load_nef').get()
+
+    def test_construct(self):
+        image = Image({})
+        self.assertIsInstance(image, Image)
+        self.assertEqual(len(image._children), 2)
+
+    def test_call(self):
+        image = Image({})
+        # call returns raw image
+        img = image(os.path.join(os.path.dirname(__file__), 'testimage.nef'))
+        self.assertEqual(img.size, (6016, 4016)) # FIXME: change when image was replaced
+        img.close()
+        # call returns jpeg image
+        img = image(os.path.join(os.path.dirname(__file__), 'testimage.jpg'))
+        self.assertEqual(img.size, (1, 1))
+        img.close()
+        # call raises error if file cannot be read
+        self.assertRaises(errors.ReaderError, image,
+            os.path.join(os.path.dirname(__file__), 'invalid.nef'))
+        self.assertRaises(errors.ReaderError, image,
+            os.path.join(os.path.dirname(__file__), 'invalid.jpg'))
+
+## main ##
+
+if __name__ == '__main__':
+    unittest.main()
+
+## EOF ##