Add unit tests for data.image_train_item

test/test_image_train_item.py

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+import unittest
+import os
+import pathlib
+import PIL.Image as Image
+
+from data.image_train_item import ImageCaption, ImageTrainItem
+
+DATA_PATH = pathlib.Path('./test/data')
+
+class TestImageCaption(unittest.TestCase):
+    
+    def setUp(self) -> None:
+        with open(DATA_PATH / "test1.txt", encoding='utf-8', mode='w') as f:
+            f.write("caption for test1")
+            
+        Image.new("RGB", (512,512)).save(DATA_PATH / "test1.jpg")
+        Image.new("RGB", (512,512)).save(DATA_PATH / "test2.jpg")
+        
+        with open(DATA_PATH / "test_caption.caption", encoding='utf-8', mode='w') as f:
+            f.write("caption for test2")
+            
+        return super().setUp()
+    
+    def tearDown(self) -> None:
+        for file in DATA_PATH.glob("test*"):
+            file.unlink()
+
+        return super().tearDown()
+    
+    def test_constructor(self):
+        caption = ImageCaption("hello world", 1.0, ["one", "two", "three"], [1.0]*3, 2048, False)
+        self.assertEqual(caption.get_caption(), "hello world, one, two, three")
+        
+        caption = ImageCaption("hello world", 1.0, [], [], 2048, False)
+        self.assertEqual(caption.get_caption(), "hello world")
+    
+    def test_parse(self):
+        caption = ImageCaption.parse("hello world, one,   two, three")
+
+        self.assertEqual(caption.get_caption(), "hello world, one, two, three")
+        
+    def test_from_file_name(self):
+        caption = ImageCaption.from_file_name("foo bar_1_2_3.jpg")
+        self.assertEqual(caption.get_caption(), "foo bar")
+        
+    def test_from_text_file(self):
+        caption = ImageCaption.from_text_file("test/data/test1.txt")
+        self.assertEqual(caption.get_caption(), "caption for test1")
+        
+    def test_from_file(self):
+        caption = ImageCaption.from_file("test/data/test1.txt")
+        self.assertEqual(caption.get_caption(), "caption for test1")
+        
+        caption = ImageCaption.from_file("test/data/test_caption.caption")
+        self.assertEqual(caption.get_caption(), "caption for test2")
+        
+    def test_resolve(self):
+        caption = ImageCaption.resolve("test/data/test1.txt")
+        self.assertEqual(caption.get_caption(), "caption for test1")
+        
+        caption = ImageCaption.resolve("test/data/test_caption.caption")
+        self.assertEqual(caption.get_caption(), "caption for test2")
+        
+        caption = ImageCaption.resolve("hello world")
+        self.assertEqual(caption.get_caption(), "hello world")
+        
+        caption = ImageCaption.resolve("test/data/test1.jpg")
+        self.assertEqual(caption.get_caption(), "caption for test1")
+        
+        caption = ImageCaption.resolve("test/data/test2.jpg")
+        self.assertEqual(caption.get_caption(), "test2")