Added --dry-run option to CLI export, closes #91

tests/test_fileutil.py

@@ -0,0 +1,69 @@
+""" test FileUtil """
+
+import pytest
+
+
+def test_copy_file_valid():
+    # copy file with valid src, dest
+    import os.path
+    import tempfile
+    from osxphotos.fileutil import FileUtil
+
+    temp_dir = tempfile.TemporaryDirectory(prefix="osxphotos_")
+    src = "tests/test-images/wedding.jpg"
+    result = FileUtil.copy(src, temp_dir.name)
+    assert result == 0
+    assert os.path.isfile(os.path.join(temp_dir.name, "wedding.jpg"))
+
+
+def test_copy_file_invalid():
+    # copy file with invalid src
+    import tempfile
+    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:
+        assert FileUtil.copy(src, temp_dir.name)
+    assert e.type == FileNotFoundError
+
+
+def test_copy_file_norsrc():
+    # copy file with --norsrc
+    import os.path
+    import tempfile
+    from osxphotos.fileutil import FileUtil
+
+    temp_dir = tempfile.TemporaryDirectory(prefix="osxphotos_")
+    src = "tests/test-images/wedding.jpg"
+    result = FileUtil.copy(src, temp_dir.name, norsrc=True)
+    assert result == 0
+    assert os.path.isfile(os.path.join(temp_dir.name, "wedding.jpg"))
+
+
+def test_hardlink_file_valid():
+    # hardlink file with valid src, dest
+    import os.path
+    import tempfile
+    from osxphotos.fileutil import FileUtil
+
+    temp_dir = tempfile.TemporaryDirectory(prefix="osxphotos_")
+    src = "tests/test-images/wedding.jpg"
+    dest = os.path.join(temp_dir.name, "wedding.jpg")
+    FileUtil.hardlink(src, dest)
+    assert os.path.isfile(dest)
+    assert os.path.samefile(src, dest)
+
+
+def test_unlink_file():
+    import os.path
+    import tempfile
+    from osxphotos.fileutil import FileUtil
+
+    temp_dir = tempfile.TemporaryDirectory(prefix="osxphotos_")
+    src = "tests/test-images/wedding.jpg"
+    dest = os.path.join(temp_dir.name, "wedding.jpg")
+    result = FileUtil.copy(src, temp_dir.name)
+    assert os.path.isfile(dest)
+    FileUtil.unlink(dest)
+    assert not os.path.isfile(dest)