Added tests, fixed bug in export_db

tests/test_fileutil.py

@@ -3,6 +3,8 @@
 import pytest
 
 TEST_HEIC = "tests/test-images/IMG_3092.heic"
+TEST_RAW = "tests/test-images/DSC03584.dng"
+
 
 def test_copy_file_valid():
     # copy file with valid src, dest
@@ -23,8 +25,8 @@ def test_copy_file_invalid():
     from osxphotos.fileutil import FileUtil
 
     temp_dir = tempfile.TemporaryDirectory(prefix="osxphotos_")
-    src = "tests/test-images/wedding_DOES_NOT_EXIST.jpg"
     with pytest.raises(Exception) as e:
+        src = "tests/test-images/wedding_DOES_NOT_EXIST.jpg"
         assert FileUtil.copy(src, temp_dir.name)
     assert e.type == FileNotFoundError
 
@@ -69,14 +71,31 @@ def test_unlink_file():
     FileUtil.unlink(dest)
     assert not os.path.isfile(dest)
 
+
 def test_convert_to_jpeg():
+    """ test convert_to_jpeg """
     import pathlib
     import tempfile
     from osxphotos.fileutil import FileUtil
 
-    temp_dir = tempfile.TemporaryDirectory(prefix="osxphotos_") 
+    temp_dir = tempfile.TemporaryDirectory(prefix="osxphotos_")
     with temp_dir:
         imgfile = pathlib.Path(TEST_HEIC)
         outfile = pathlib.Path(temp_dir.name) / f"{imgfile.stem}.jpeg"
         assert FileUtil.convert_to_jpeg(imgfile, outfile)
-        assert outfile.is_file()
+        assert outfile.is_file()
+
+
+def test_convert_to_jpeg_quality():
+    """ test convert_to_jpeg with compression_quality """
+    import pathlib
+    import tempfile
+    from osxphotos.fileutil import FileUtil
+
+    temp_dir = tempfile.TemporaryDirectory(prefix="osxphotos_")
+    with temp_dir:
+        imgfile = pathlib.Path(TEST_RAW)
+        outfile = pathlib.Path(temp_dir.name) / f"{imgfile.stem}.jpeg"
+        assert FileUtil.convert_to_jpeg(imgfile, outfile, compression_quality=0.1)
+        assert outfile.is_file()
+        assert outfile.stat().st_size < 1000000