added tests for deidentification

extras/fileformats/extras/medimage/tests/test_deidentify.py

@@ -0,0 +1,38 @@
+import pytest
+from fileformats.core.exceptions import FileFormatsExtrasError
+from fileformats.medimage import DicomImage, DicomDir, DicomSeries, Nifti1
+from medimages4tests.dummy.dicom.mri.t1w.siemens.skyra.syngo_d13c import (
+    get_image as get_dicom_image,
+)
+from fileformats.medimage import Vnd_Siemens_Biograph128Vision_Vr20b_PetSinogram
+
+
+@pytest.fixture(params=["image", "dir", "series"])
+def dicom(request):
+    dicom_dir = get_dicom_image(first_name="John", last_name="Doe")
+    dicom_files = (p for p in dicom_dir.iterdir() if p.suffix == ".dcm")
+    if request.param == "image":
+        return DicomImage(next(dicom_files))
+    elif request.param == "dir":
+        return DicomDir(dicom_dir)
+    else:
+        return DicomSeries(dicom_files)
+
+
+def test_deidentify_dicom(dicom):
+    assert str(dicom.metadata["PatientName"]) == "Doe^John"
+    deidentified = dicom.deidentify()
+    assert str(deidentified.metadata["PatientName"]) == "Anonymous^Anonymous"
+
+
+def test_nifti_deidentify():
+    nifti = Nifti1.sample()
+    deidentified = nifti.deidentify()
+    assert nifti is not deidentified
+    assert nifti.hash_files() == deidentified.hash_files()
+
+
+def test_raw_pet_data_deidentify():
+    raw_pet = Vnd_Siemens_Biograph128Vision_Vr20b_PetSinogram.sample()
+    with pytest.raises(FileFormatsExtrasError):
+        raw_pet.deidentify()