test: fix the test execution on Windows

README.md

@@ -92,6 +92,14 @@ Then execute the tests again:
 pytest --cov=aip_trainer --cov-report=term-missing && coverage html
 ```
 
+### Backend tests execution on Windows
+
+On Windows the tests suite needs the env variable `PYTHONUTF8=1` to avoid an UnicodeDecodeError:
+
+```cmd
+PYTHONUTF8=1 pytest --cov=aip_trainer --cov-report=term-missing && coverage html
+```
+
 ### E2E tests with playwright
 
 Normally I use Visual Studio Code to write and execute my playwright tests, however it's always possible to run them from cli (from the `static` folder, using a node package manager like `npm` or `pnpm`):

aip_trainer/lambdas/lambdaSpeechToScore.py

@@ -208,10 +208,10 @@ def get_splitted_audio_file(audiotmpfile: str | Path, start_time: list[float], e
     return audio_files, audio_durations
 
 
-def get_file_with_custom_suffix(basefile: str | Path, custom_suffix: str) -> list[str]:
+def get_file_with_custom_suffix(basefile: str | Path, custom_suffix: str) -> Path:
     pathname = Path(basefile)
     dirname, filename_no_ext, filename_ext = pathname.parent, pathname.stem, pathname.suffix
-    output_file = dirname / f"{filename_no_ext}_{custom_suffix}.{filename_ext}"
+    output_file = Path(dirname) / f"{filename_no_ext}_{custom_suffix}.{filename_ext}"
     return output_file
 
 

tests/lambdas/constants_lambdaSpeechToScore.py

@@ -68,11 +68,11 @@ expected_get_speech_to_score = {
 expected_with_audio_files_splitted_list = {
     "de": {
         "audio_files": [
-            f"{EVENTS_FOLDER}/test_de__part0_start0.0_end0.328..wav",
-            f"{EVENTS_FOLDER}/test_de__part1_start0.3075_end0.6458125..wav",
-            f"{EVENTS_FOLDER}/test_de__part2_start1.5785625_end2.15525..wav",
-            f"{EVENTS_FOLDER}/test_de__part3_start2.1346875_end2.4730625..wav",
-            f"{EVENTS_FOLDER}/test_de__part4_start2.1346875_end2.4730625..wav",
+            f'{EVENTS_FOLDER / "test_de__part0_start0.0_end0.328..wav"}',
+            f'{EVENTS_FOLDER / "test_de__part1_start0.3075_end0.6458125..wav"}',
+            f'{EVENTS_FOLDER / "test_de__part2_start1.5785625_end2.15525..wav"}',
+            f'{EVENTS_FOLDER / "test_de__part3_start2.1346875_end2.4730625..wav"}',
+            f'{EVENTS_FOLDER / "test_de__part4_start2.1346875_end2.4730625..wav"}',
         ],
         "audio_durations": [
             0.328,
@@ -95,11 +95,11 @@ expected_with_audio_files_splitted_list = {
     },
     "en": {
         "audio_files": [
-            f"{EVENTS_FOLDER}/test_en__part0_start0.2245625_end0.559875..wav",
-            f"{EVENTS_FOLDER}/test_en__part1_start1.3228125_end1.658125..wav",
-            f"{EVENTS_FOLDER}/test_en__part2_start0.852125_end1.14825..wav",
-            f"{EVENTS_FOLDER}/test_en__part3_start1.04825_end1.344375..wav",
-            f"{EVENTS_FOLDER}/test_en__part4_start1.3228125_end1.658125..wav",
+            f'{EVENTS_FOLDER / "test_en__part0_start0.2245625_end0.559875..wav"}',
+            f'{EVENTS_FOLDER / "test_en__part1_start1.3228125_end1.658125..wav"}',
+            f'{EVENTS_FOLDER / "test_en__part2_start0.852125_end1.14825..wav"}',
+            f'{EVENTS_FOLDER / "test_en__part3_start1.04825_end1.344375..wav"}',
+            f'{EVENTS_FOLDER / "test_en__part4_start1.3228125_end1.658125..wav"}',
         ],
         "audio_durations": [
             0.3353125,
@@ -124,11 +124,11 @@ expected_with_audio_files_splitted_list = {
 expected_with_selected_word_valid_index = {
     "de": {
         "audio_files": [
-            f"{EVENTS_FOLDER}/test_de_easy__part0_start0.0_end0.4733125..wav",
-            f"{EVENTS_FOLDER}/test_de_easy__part1_start0.3733125_end0.70425..wav",
-            f"{EVENTS_FOLDER}/test_de_easy__part2_start0.60425_end0.8966875..wav",
-            f"{EVENTS_FOLDER}/test_de_easy__part3_start0.7966875_end1.089125..wav",
-            f"{EVENTS_FOLDER}/test_de_easy__part4_start0.989125_end1.3200625..wav",
+            f'{EVENTS_FOLDER / "test_de_easy__part0_start0.0_end0.4733125..wav"}',
+            f'{EVENTS_FOLDER / "test_de_easy__part1_start0.3733125_end0.70425..wav"}',
+            f'{EVENTS_FOLDER / "test_de_easy__part2_start0.60425_end0.8966875..wav"}',
+            f'{EVENTS_FOLDER / "test_de_easy__part3_start0.7966875_end1.089125..wav"}',
+            f'{EVENTS_FOLDER / "test_de_easy__part4_start0.989125_end1.3200625..wav"}',
         ],
         "audio_durations": [
             0.4733125,
@@ -151,11 +151,11 @@ expected_with_selected_word_valid_index = {
     },
     "en": {
         "audio_files": [
-            f"{EVENTS_FOLDER}/test_en_easy__part0_start0.0_end0.1625..wav",
-            f"{EVENTS_FOLDER}/test_en_easy__part1_start0.0625_end0.3875..wav",
-            f"{EVENTS_FOLDER}/test_en_easy__part2_start0.2875_end0.575..wav",
-            f"{EVENTS_FOLDER}/test_en_easy__part3_start0.475_end0.8..wav",
-            f"{EVENTS_FOLDER}/test_en_easy__part4_start0.7_end0.9875..wav",
+            f'{EVENTS_FOLDER / "test_en_easy__part0_start0.0_end0.1625..wav"}',
+            f'{EVENTS_FOLDER / "test_en_easy__part1_start0.0625_end0.3875..wav"}',
+            f'{EVENTS_FOLDER / "test_en_easy__part2_start0.2875_end0.575..wav"}',
+            f'{EVENTS_FOLDER / "test_en_easy__part3_start0.475_end0.8..wav"}',
+            f'{EVENTS_FOLDER / "test_en_easy__part4_start0.7_end0.9875..wav"}',
         ],
         "audio_durations": [
             0.1625,

tests/lambdas/test_lambdaTTS.py

@@ -39,18 +39,32 @@ def assert_raises_get_tts(
 
 class TestLambdaTTS(unittest.TestCase):
     def test_lambdaTTS_en_ok(self):
-        exec_test_lambda_tts(
+        try:
+            exec_test_lambda_tts(
             "Hi there, how are you?",
             "en",
             b'6rZkDkF/Jc/7S5aTBlyNvntMng1+N81Flndx3WM5U0g='
-        )
+            )
+        except AssertionError:
+            exec_test_lambda_tts(
+            "Hi there, how are you?",
+            "en",
+            b'S7ADQbzBhmtBhYy1lLTQysv9ScAy2A0WUhG3RtWwvws='
+            )
 
     def test_lambdaTTS_de_ok(self):
-        exec_test_lambda_tts(
-            "Ich bin Alex!",
-            "de",
-            b'4CCWiz7DOOHSmyYcS8KTBvk2E3zHtaX5umtksVln5VA='
-        )
+        try:
+            exec_test_lambda_tts(
+                "Ich bin Alex!",
+                "de",
+                b'4CCWiz7DOOHSmyYcS8KTBvk2E3zHtaX5umtksVln5VA='
+            )
+        except AssertionError:
+            exec_test_lambda_tts(
+                "Ich bin Alex!",
+                "de",
+                b'vNsDzs4ULJI2Ml0qyIrVaegI+7jK79btoq+O5FjuMEo='
+            )
 
     def test_lambdaTTS_empty_text(self):
         assert_raises_get_tts(self, "", "fake language", ValueError, "cannot read an empty/None text: ''...")

tests/utils/test_split_cosmic_ray_report.py

@@ -17,7 +17,10 @@ class TestSplitCosmicRayReport(unittest.TestCase):
 
         # Verify the filtered content
         hash_output = utilities.hash_calculate(output_filename, True)
-        self.assertEqual(hash_output, b'HqzO5Hq50Z1CIz/8rGE8Hpt4wSRM5Xm86pv+9FOYbUg=')
+        try:
+            self.assertEqual(hash_output, b'HqzO5Hq50Z1CIz/8rGE8Hpt4wSRM5Xm86pv+9FOYbUg=')
+        except AssertionError:
+            self.assertEqual(hash_output, b'KAEGrZdO8cY9sXoKYQFtsc4FF/tLavzDJbqO5+pyCSw=')
 
         output_filename.unlink(missing_ok=False)
 
@@ -33,7 +36,10 @@ class TestSplitCosmicRayReport(unittest.TestCase):
 
         # Verify the filtered content
         hash_output = utilities.hash_calculate(output_filename, True)
-        self.assertEqual(hash_output, b'Fk0KDWCbc8mPoZllQ7HfgMjuWQVvUdNl+eR56eJeSxg=')
+        try:
+            self.assertEqual(hash_output, b'Fk0KDWCbc8mPoZllQ7HfgMjuWQVvUdNl+eR56eJeSxg=')
+        except AssertionError:
+            self.assertEqual(hash_output, b'1s0Gvw4Y972Gkw/oojf69rXK3CVlPfKjATGJ14WzFw8=')
 
         output_filename.unlink(missing_ok=False)