Initial commit to photo-dater with pytest test

pytest/test_proper_copy.py

@@ -0,0 +1,69 @@
+from datetime import datetime
+
+import os
+import time
+import piexif
+import pytest
+import random
+import shutil
+
+from helpers import *
+from fixtures import *
+
+cmd = 'python3 updatescannedpics.py'
+
+def test_diff_in_out(in_out_dirs):
+    in_dir, out_dir = in_out_dirs
+
+    year = random.randint(1900, 2000)
+    month = random.randint(1, 12)
+    day = random.randint(1, 28)
+    index = random.randint(0, 99)
+
+    file_name = f"{year}{month:02d}{day:02d}_{index:02d}.jpg"
+    in_file = os.path.join(in_dir, file_name)
+    out_file = os.path.join(out_dir, file_name)
+    
+    shutil.copyfile("pytest/example_pics/u_001.jpg", in_file)
+
+    command = f"{cmd} -i {in_dir} -o {out_dir}"
+    print(command)
+    output = run_successfull_cmd(command)
+
+    exif_dict = piexif.load(out_file)
+
+    test_date = datetime(year, month, day, 0, 0, 0)
+    test_date_str = test_date.strftime("%Y:%m:%d %H:%M:%S")
+
+    assert test_date_str == exif_dict["0th"][piexif.ImageIFD.DateTime].decode('utf-8')
+    assert test_date_str == exif_dict["Exif"][piexif.ExifIFD.DateTimeOriginal].decode('utf-8')
+    assert test_date_str == exif_dict["Exif"][piexif.ExifIFD.DateTimeOriginal].decode('utf-8')
+
+def test_same_in_out(in_out_dirs):
+    in_dir, out_dir = in_out_dirs
+    out_dir = in_dir
+ 
+    year = random.randint(1900, 2000)
+    month = random.randint(1, 12)
+    day = random.randint(1, 28)
+    index = random.randint(0, 99)
+
+    file_name = f"{year}{month:02d}{day:02d}_{index:02d}.jpg"
+    in_file = out_file = os.path.join(in_dir, file_name)
+    
+    shutil.copyfile("pytest/example_pics/u_001.jpg", in_file)
+
+    command = f"{cmd} -i {in_dir} -o {out_dir}"
+    print(command)
+    output = run_successfull_cmd(command)
+
+    exif_dict = piexif.load(out_file)
+
+    test_date = datetime(year, month, day, 0, 0, 0)
+    test_date_str = test_date.strftime("%Y:%m:%d %H:%M:%S")
+
+    assert test_date_str == exif_dict["0th"][piexif.ImageIFD.DateTime].decode('utf-8')
+    assert test_date_str == exif_dict["Exif"][piexif.ExifIFD.DateTimeOriginal].decode('utf-8')
+    assert test_date_str == exif_dict["Exif"][piexif.ExifIFD.DateTimeOriginal].decode('utf-8')
+
+